HACH DOC023 Turbidity and Suspended Solids Builtin Probe User Manual

DOC023.54.03232
SOLITAX sc
User Manual
12/2022 (2009), Edition 4b

DOC023 Turbidity and Suspended Solids Built-in Probe

Section 1 Specifications

Specifications are subject to change without notice.
The product has only the approvals listed and the registrations, certificates and declarations officially provided with the product. The usage of this product in an application for which it is not permitted is not approved by the manufacturer.

Measuring Technique| Infrared Duo scattered light technique for color- independent turbidity measurement Turbidity in accordance with DIN EN 27027 / TS equivalent DIN 38414
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Measuring Range| t-line turbidity: 0.001–4000 FNU/NTU
ts-line, inline turbidity: 0.001–4000 FNU/NTU; TSS content: 0.001 mg/L–50 g/L
hs-line, highline turbidity: 0.001–4000 FNU/NTU; TSS content: 0.001 mg/L–500 g/L TSS
Reproducibility| Turbidity < 1 %, Total Suspended Solids (TSS) < 3 %
Measuring Accuracy| Turbidity up to 1000 FNU/NTU: without calibration < 5 % of the measured value ± 0.01 FNU/NTU with calibration < 1 % of the measured value ± 0.01 FNU/NTU
Technique variation coefficient| 1 % in accordance with DIN 38402
Response Time| 1s < T90 < 300 s (adjustable)
Calibration| Zero point permanently set from the factory, gradient once for the TS content
Cable Length| 10 m (33 ft), max. 100 m (328 ft) with extension cable
Ambient Temperature| 0 to +40 °C (32 to 104 °F)
Pressure Range| Stainless steel: £ 6 bar or £ 60 m (87 psi) PVC: £ 1 bar or £ 10 m (14,5 psi)
Flow Velocity| Max. 3 m/s (the presence of air bubbles affects the measurement)
Materials| Optics carrier and sleeve: stainless steel 1.4571 or PVC black
Wiper shaft: stainless steel 1.4104
Wiper arm: stainless steel 1.4581
Wiper rubber: silicone rubber (standard) Optional: Viton1 (LZX578)
Windows and light guide: quartz glass
O-rings (optics carrier, wiper, windows): NBR (acrylonitrile butadiene rubber)
Housing seals: NBR 70
Sensor connecting cable (hard-wired): 1 cable pair AWG 22 / 12 V DC twisted, 1 cable pair AWG 24 / data twisted, common cable screen, Semele (PUR)
Sensor connection plug (hard-wired): type M12 enclosure rating IP 67
Threaded cable fitting: stainless steel 1.4305
Inspection interval| On request 1/year service contract with guarantee extension to 5 years
Dimensions| Tank probe: D x L 60 mm x 200 mm (2 x 8 in.)
Probe for pipe installation: D x L 60 mm x 315 mm (2 x 12.4 in.)
(Pipe installation fitting: DN 65 / PN 16 DIN 2633; < 5 bar (73 psi); for pipes from DN 80) Distance sensor – wall (floor): TS > 10 cm (4 in.), turbidity > 50 cm (20 in.)
Weight| Tank probe: approx. 1.8 kg (63 oz) (t-line: approx. 0.6 kg (21 oz)) Probe for pipe installation: approx. 2.4 kg (85 oz)
Pipe installation fitting: approx. 2.7 kg (95 oz) (without probe)
Pipe installation safety fitting:approx. 18 kg (40 lb) (without probe)
User Maintenance| 1 h / month, typical
Certifications| CE

1® Viton is a registered trademark of E.I. DuPont de Nemours + Co.
Figure 1 Sensor Dimensions

1. SOLITAX SC models t-line, ts-line, and hs-line for immersion in open tanks
2. SOLITAX SC models inline and highline sensors for insertion in pipes

Section 2 General Information

2.1 Safety Information
Please read this entire manual before unpacking, setting up, or operating this equipment.
Pay attention to all danger and caution statements. Failure to do so could result in serious injury to the operator or damage to the equipment.
Make sure that the protection provided by this equipment is not impaired, do not use or install this equipment in any manner other than that specified in this manual.
2.1.1 Use of Hazard Information
DANGER
Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that may result in minor or moderate injury.
Important Note: Information that requires special emphasis.
Note: Information that supplements points in the main text.
2.1.2 Precautionary Labels
Read all labels and tags attached to the instrument. Personal injury or damage to the instrument could occur if not observed

| This symbol, if noted on the instrument, references the instruction manual for operation and/or safety information.
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| This symbol indicates that a risk of electrical shock and/or electrocution exists.
| Electrical equipment marked with this symbol may not be disposed of in European public disposal systems after 12 August of 2005. In conformity with European local and national regulations (EU Directive 2002/96/EC), European electrical equipment users must now return old or end-of life equipment to the Producer for disposal at no charge to the user.
Note: For return for recycling, please contact the equipment producer or supplier for instructions on how to return end-of-life equipment, producer- supplied electrical accessories, and all auxiliary items for proper disposal.

2.2 Sensor Overview

Note: All sensors are also available without wipers for special applications.
t-line: 0.001–4000 FNU/NTU
High-resolution turbidity probe made of plastic for the outlets of sewage treatment plants and bodies of water.
ts-line: 0.001–4000 FNU/NTU; 0.001 mg/L–50.0 g/L
High-precision turbidity and solids probe made of stainless steel or plastic for color-independent measurement of fine turbidities and sludges.
hs-line: 0.001–4000 FNU/NTU; 0.001 mg/L–500.0 g/L
High-precision turbidity and solids probe made of stainless steel or plastic for color-independent measurement of highly concentrated sludges.
inline: 0.001–4000 FNU/NTU; 0.001 mg/L–50.0 g/L
High-precision pipe installation probe for turbidity and solids made of stainless steel for color-independent measurement of fine turbidities and sludges.
highline: 0.001–4000 FNU/NTU; 0.001 mg/L–500.0 g/L
High-precision pipe installation probe for turbidity and suspended solids made of stainless steel for color-independent measurement of highly concentrated sludges.
Figure 2 Solitaxsc Sensors

2.3 Measuring Principle
The measuring principle is based on a combined infrared absorption scattered light technique that measures the lowest turbidity values in accordance with DIN EN 27027 just as precisely and continuously as high sludge content. Using this method, the light scattered sideways by the turbidity particles is measured over an angle of 90°.
2.4 Handling
The sensor contains high-quality optical and electronic assemblies. Make sure the sensor is not subjected to any hard mechanical knocks. There are no customer-serviceable items inside the sensor.

Section 3 Installation

DANGER
Only qualified personnel should conduct the tasks described in this section of the manual.
3.1 Unpacking the Instrument
Figure 3 Items Supplied with Sensoria

3.1.1 Function Check
After unpacking, both components should be checked for any transport damage and a short function check performed prior to installation.
To perform a function check, connect the sensor to the display unit and power the unit.
Shortly after the unit is plugged in, the display is activated and the instrument switches to the measurement display. Measured values taken in air is meaningless.
If no messages appear in the lower part of the display, the function check is then complete.
3.2 Sensor Installation
Figure 4 on page 10 illustrates the installation overview for Solitaxsc Models t-line, ts-line, and hs-line for immersion in open tanks.
The maximum distance from the mounting surface to the sensor without the use of an extension tube is 1.5 m (4.9 ft). When that distance exceeds 1.5 m (4.9 ft), one of the following extension tubes is required and can be ordered separately:

• 1.0 m (3.28 ft) extension pipe LZY413
• 1.8 m (5.90 ft) extension pipe LZY414

To ensure a suitable measuring position, install the probe to the following conditions:

• The probe optical window must have a ground clearance of at least 30 cm (11.8 in.).
• Install the probe with the optical window facing (downstream) in the direction of the flow to minimize the risk of fouling.
• Avoid installation sites where air bubbles are inconsistent. If this not possible, try moving the probe slightly or adjusting its alignment to minimize the bubble effect.
• Protect the probe against the oncoming flow of large objects, such as branches or ice and against flow surges.
• Avoid installing the probe with the optical window facing into direct light or facing a highly-reflective surface.

Figure 4 Sensor Installation Overview

3.3 Pipe Installation

• Install the sensor in an up-flow pipe section for best results. Do not mount the sensor in a down-flow pipe section.
• Mounting in a horizontal pipe section is acceptable if the sensor is fully immersed at all times. Usually, mounting 90 degrees from the top of the pipe guarantees full immersion. Do not mount on the top or bottom of a horizontal pipe section.
• Install the sensor in a pipe that is equal to or greater than 4 inches in diameter.
• Install the sensor at least 1.5 m (5 ft.) or three times the pipe diameter (whichever is greater) downstream of pumps, valves, or pipe elbows.
• Install the sensor on the discharge side of a pump, if possible, with a dilution or flush valve installed on the suction side of the pump.
• If the sensor is to be used to measure sludge with significant amounts of debris, install it after a sludge grinding pump or after a pump with a grinding/comminuting unit in front of it.
• Install the sensor within 7.8 m (25 ft.) of the controller with the standard probe cable. Optional cable extensions can be added for a maximum combined distance of 100 meters (330 ft.).
• If the flange cannot be welded to the pipe due to incompatibility of materials between the stud and the pipe, it is recommended that a stainless steel pipe section be fabricated. Weld the flange onto the stainless steel pipe section and  attach the stainless steel section as a segment of the process pipe.

Figure 5 Proper Positioning for Insertion into Pipe

3.4 Connecting sensor cable
CAUTION
Always lay cables and hoses so they do not pose a trip hazard and are not bent.

1. Unscrew the protective cap on the controller socket and retain it.
2. Pay attention to the guide in the plug and push the plug into the socket.
3. Tighten the nuts.
   Connector cables are available in various lengths (refer to Section 7 Replacement Parts and Accessories on page 23). Maximum overall cable length: 50 m (165 ft).

Section 4 Operations

4.1 Use of an sc controller
Before using the sensor in combination with an SC controller, refer to the controller user manual for navigation information.
4.2 Sensor Setup
When a sensor is initially installed, the serial number of the sensor will be displayed as the sensor name. To change the sensor name refer to the following instructions:

1. Select Main Menu.
2. From the Main Menu, select SENSOR SETUP and confirm.
3. Highlight the appropriate sensor if more than one sensor is attached and confirm.
4. Select CONFIGURE and confirm.
5. Select EDIT NAME and edit the name. Confirm or cancel to return to the Sensor Setup menu.

4.3 Sensor Data Logging
A data memory and event memory per sensor are available via the sc controller. While measured data are saved in the data memory at stipulated intervals, the event memory collects numerous events such as configuration changes,  alarms and warning conditions. Both the data memory and the event memory can be read out in CSV format. For information on how you can download the data, please see the controller manual.
4.4 Sensor Diagnostics Menu for pH and ORP
SELECT SENSOR (if more than one sensor is attached)

STATUS

ERROR LIST| See section 6.1 on page 21.
WARNING LIST| See section 6.2 on page 21..

4.5 Sensor Setup Menu
SELECT SENSOR (if more than one sensor is attached)

WIPE

Initiates a wiping action on the sensor window.
CALIBRATE
SET OUTMODE| Select the behavior of the outputs during calibration for zero point setting (Hold, Active, Transfer, Selection). Hold maintains the last reading prior to going into the menu. Active transmits the current level readings, corrected with previous calibration data until new data is entered. Set Transfer transmits the value designated during the system setup
SENSOR MEASURE| Displays the current, uncorrected measured value.
CONFIGURE| Select the calibration type and follow the calibration steps for 2 point, 3 point, 4 point, and 5 point calibration.
FACTOR/2 POINTS/ 3 POINTS/4 POINTS/ 5 POINTS| Display depends on the selection in configuration.
SET CAL DEFAULT| Return the instrument to the default calibration settings.
CONFIGURE

EDIT NAME| Enter up to a 10-digit name in any combination of symbols and alpha or numeric characters.
SET PARAMETER| This setting configures the Solitaxsc to measure turbidity or suspended solids. The Solitaxsc cannot simultaneously measure both. Choose “TRB” for turbidity measurements, or “TS” for suspended solids measurement. This selection determines which units may be selected in the “Mesa Units” menu.
MEAS UNITS| Choose from the displayed units. TRB (FNU, EBC, TE/F, NTU); TS (mg/L, g/L, ppm, %) Default: FNU
If TRB was selected in set parameter, select “NTU” (commonly used in the U.S.), FNU, EBC, or TE/F. If TS was selected, choose mg/L, g/L, ppm, or %. Press enter to choose the selection. If the units selected result in a reading that exceeds 4 digits, the display will only show dashes.
For example, if mg/L were selected, and the measurement was 10,500 mg/L, the display will show dashes until the reading drops to 9999 or lower.
CLEAN INTERVAL| Select the cleaning interval (1, 5, 15 or 30 minutes; 1, 4, or 12 hours; 1, 3, 7 days)
Default: 12 hours
This is the interval between wiper cleaning of the sensor window. It is recommended to start with a setting of 30 minutes. This time may be adjusted according to the application. If readings continue to be accurate, try a longer interval. If not, shorten the interval.
RESPONSE TIME| This is a damping function. While the Solitax takes readings continually, it will average them together over the period of the response time. Once the response time has elapsed, the displayed reading, 4-20 outputs, and alarm status are updated. (0 to 300 seconds)
Default: 3 seconds
LOGGER INTERVAL| This is the data log interval, with options from 1–15 minutes. Values logged are the average of the all readings during the previous logging interval. The controller will hold approximately 360 days of readings for one sensor at 15 minute intervals, or 24 days at 1 minute intervals (and proportional in between). Default:10 minutes
SET DEFAULTS| Resets all user-editable options to the factory-defaults.
TEST/MAIN
PROBE INFO| Displays the sensor type, entered name of the sensor (Default: sensor serial number), the sensor serial number, the software version number, and the sensor driver version number.
PROFILE| Select Profile Counter to display the number of wipes made (from 20000 backwards). Select Reset Config to manually reset the profile counter.
COUNTER| Shows the number of hours or cycles left for operating hours, test/main, gasket, and the motor.
TEST/MAIN| WIPE—Initiates the wiping action of the wiper.
SIGNALS—displays the signal outputs for the device.
OUTPUT MODE—Select the behavior of the instrument outputs (Hold, Active, Transfer, Selection)
DEFAULT SETUP—Resets all user-editable options to the factory defaults.

4.6 Calibration
There are two calibration techniques; depending on whether turbidity or suspended solid is required (refer to section 4.6.2 or section 4.6.3 on page 18). Before calibration, determine the behavior of the 4–20 outputs and alarm relays  while the user is in the CALIBRATE menu (refer to section 4.6.1).
4.6.1 Setting the Outmode

1. From the Main Menu, select SENSOR SETUP and press confirm.
2. Select the appropriate sensor if more than one is attached and confirm.
3. Select CALIBRATE and press confirm.
4. Select SET OUTMODE. Select the available Out Mode (Active, Hold, Transfer) and confirm.

4.6.2 Calibration for Turbidity
Turbidity calibration requires the use of a Turbidity Standard Solution. The manufacturer recommends the 800 NTU Turbidity Standard Solution (part of the calibration kit No. 57330-00). A zero-point calibration using deionized water is also recommended.

1. From the Main Menu, select SENSOR SETUP and press confirm.
2. Select the appropriate sensor if more than one is attached and confirm.
3. Select CALIBRATE and press confirm.
4. Select SENSOR MEASURE and confirm.
5. Place the sensor in the calibration cylinder with deionized water, mounting it with the supplied clamp. The tip of the probe should be approximately 1-inch below the surface of the water. Record the reading from the sensor measure display.
6. Select OFFSET. Multiply the reading obtained in step 5 and enter the value.
7. Select SENSOR MEASURE.
8. Rinse the outside of the StablCal® 800 NTU standard with water to remove any dust or debris adhering to the surface of the bottle. Gently invert both StablCal standard bottles a minimum of 50 times. Remove the lid and seal from  each bottle. Slowly (to avoid creating bubbles) pour the contents of the bottles into the calibration cylinder. Immediately place the tip of the probe into the positioning bracket in the calibration cylinder. The tip of the probe should be  approximately 1-inch below the surface standard. Allow the reading to become stable on the SENSOR MEASURE screen. Record the value (measured value). Calculate the factor. Refer to section 4.6.2.1.
9. Select FACTOR to display the corrected measurement.

4.6.2.1 Calculating the Factor
New Factor = 800 NTU Standard measured value
For example, if a sample measures 750 NTU using the sensor and the standard is
800 NTU, the new factor would be calculated as follows:
New Factor = 800 NTU = 1.07 750 NTU
4.6.3 Calibration for Suspended Solids
Suspended solids calibration requires calibration to the actual sample. This optimizes the compensation for the particle size and shape typical at a measuring site. It is best performed by mounting the sensor as usual for normal  measurement, and then grab samples collected and evaluated by laboratory methods. While a single point calibration is usually sufficient to provide accuracy, the SOLITAX does offer the ability to calibrate with up to 5 calibration points.

1. From the Main Menu, select SENSOR SETUP and press confirm.
2. Select the appropriate sensor if more than one is attached and confirm.
3. Select CALIBRATE and press confirm.
4. Select CONFIGURE and confirm.
5. Select the number of points desired for calibration (the unit with linearly interpolate values between calibration points). Select Factor for a single point calibration.
6. Mount the sensor as is during normal operation. Alternatively, place the sensor in the calibration cylinder (or a container with dark, non-reflective walls) 2 inches of clearance from the probe face with the probe face submerged by 1  inch or more.
7. Select SENSOR MEASURE and record the reading.
8. Immediately take a grab sample. Determine the total suspended solids using a gravimetric method such as Method 2540 D in Standards Methods for the Examination of Water and Wastewater.
9. Calculate the new factor. Refer to section 4.6.3.1 for single point (Factor) calibration. Refer section 4.6.3.2 on page 18 for multiple point calibrations.
10. Select FACTOR and press confirm. The corrected measurement should be displayed.

4.6.3.1 For Single Point (Factor) Calibration
Calculate the new factor:
New Factor = Determined gravimetric value measured value
For example, if a sample measures 2.3 g/L using the SS sensor and the gravimetric value was 2.0 g/L, the new factor would be calculated as follows:

4.6.3.2 Multi-point Calibration
1. Repeat steps 6–8 in section 4.6.3 on page 18 at different times to obtain different measurements.
2. From the CONFIGURE menu, select the appropriate calibration point menu.
3. Enter the pairs of values for each reading, the target value being the laboratory determined value, and the actual value being the reading that the SOLITAX produced in step 5. The pairs should be entered in order from lowest values to highest.

Section 5 Maintenance

DANGER
Only qualified personnel should conduct the tasks described in this section of the manual.
Proper maintenance of the measuring windows in the sensor is critical for accurate measurements. The measuring windows should be checked monthly for soiling and the wiper checked for wear.
Important Note: The seals must be replaced every 2 years by the Service Department. If the seals are not changed regularly, water may enter the probe head and seriously damage the instrument.
5.1 Maintenance Schedule

5.2 Cleaning the Sensor Measuring Windows

CAUTION
Always were

• Safety glasses,
• Gloves and
• Overall handling hydrochloric acid and observe safety regulations.
  The measuring windows are made of quartz glass. If necessary, they can be cleaned with a cleaning agent and a cloth.

5.3 Replacing the Wiper
The life of the wiper is dependent on the number of cleaning actions performed and the type of deposits to be removed. The life of the wiper varies. The wipers supplied with the instrument should last for approximately one year.

1. From the Main Menu, select SENSOR SETUP and press confirm.
2. Select the appropriate sensor if more than one is attached and confirm.
3. Select TEST/MAINT and press confirm.
4. Select PROFILE and confirm. Change the wiper, see section 5.3 on page 20.
5. Select RESET CONFIG and confirm.
6. Select MAN. RESET ARE YOU SURE? and confirm.

Figure 8 Wiper Replacement

Section 6 Troubleshooting

6.1 Error Codes
In the case of an error, the indication of the measured value flashes on the display and all the contacts and current outputs allocated to this sensor are placed on hold. The following conditions will result in flashing measured values:
• Data transmission between controller and sensor interrupted
On the Main menu open the SENSOR DIAG menu using ENTER and determine the cause of the fault.
Table 1 Error Messages

”WIPE” function, if the problem persists contact the manufacturer’s customer service
LED FAULTY| Faulty LED| Contact customer service
MOIST| Moisture value > 10| Remove the sensor immediately and store in a dry place, contact customer service
CAL. DATA| Factory calibration data lost| Contact customer service

6.2 Warnings
A warning results in a flashing warning icon on the right of the display, all menus, contacts and outputs remain unaffected and continue to work normally. On the Main menu open the SENSOR DIAG menu using ENTER and determine the cause of the warning.
A warning may be used to trigger a relay and users can set warning levels to define the severity of the warning.
Table 2 Warnings

Section 7 Replacement Parts and Accessories

7.1 Immersion Sensors 1

Turbidity and Suspended Solids, ts-line sc, PVC with wiper (0.001 to 4000 NTU, 0.001 mg/L to 50 g/L)| LXV423.99.10100
Turbidity and Suspended Solids, ts-line sc, PVC without wiper (0.001 to 4000 NTU, 0.001 mg/L to 50 g/L)| LXV423.99.12100
Turbidity and Suspended Solids, ts-line sc, stainless steel with wiper (0.001 to 4000 NTU, 0.001 mg/L to 50 g/L)| LXV423.99.00100
Turbidity and Suspended Solids, ts-line sc, stainless steel without wiper (0.001 to 4000 NTU, 0.001 mg/L to 50 g/L)| LXV423.99.02100
Turbidity and Suspended Solids, hs-line sc, PVC with wiper (0.001 to 4000 NTU, 0.001 mg/L to 500 g/L)| LXV423.99.10200
Turbidity and Suspended Solids, hs-line sc, PVC without wiper (0.001 to 4000 NTU, 0.001 mg/L to 500 g/L)| LXV423.99.12200
Turbidity and Suspended Solids, hs-line sc, stainless steel with wiper (0.001 to 4000 NTU, 0.001 mg/L to 500 g/L)| LXV423.99.00200
Turbidity and Suspended Solids, hs-line sc, stainless steel without wiper (0.001 to 4000 NTU, 0.001 mg/L to 500 g/L)| LXV423.99.02200

1 All sensors come with the sensor, replacement wipers, and manual.
7.2 Insertion Sensors 1

Turbidity and Suspended Solids, inline sc, stainless steel with wiper (0.001 to 4000 NTU, 0.001 mg/L to 50 g/L)| LXV424.99.00100
Turbidity and Suspended Solids, inline sc, stainless steel without wiper (0.001 to 4000 NTU, 0.001 mg/L to 50 g/L)| LXV424.99.02100
Turbidity and Suspended Solids, highline sc, stainless steel with wiper (0.001 to 4000 NTU, 0.001 mg/L to 500 g/L)| LXV424.99.00200
Turbidity and Suspended Solids, highline sc, stainless steel without wiper (0.001 to 4000 NTU, 0.001 mg/L to 500 g/L)| LXV424.99.02200

1 All sensors come with the sensor, replacement wipers, and manual.
7.3 Replacement Parts

LZX578
SOLITAX sc User Manual, English| DOC023.54.03232
Extension cable, 5 m (16.4 ft)| LZX848
Extension cable, 10 m (33 ft)| LZX849
Extension cable, 15 m (50 ft)| LZX850
Extension cable, 20 m (65 ft)| LZX851
Extension cable, 30 m (100 ft)| LZX852
Extension cable, 50 m (165 ft)| LZX853
Description| Catalog Number
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Extension pipe, 1,0 m (3.28 ft)| LZY413
Extension pipe, 1,8 m (5.90 ft)| LZY414
Installation kit, fixed-point (for t-line, ts-line, and hs-line immersion sensors)| LZX414.00.10000
Consisting of:|
Base| ATS010
Mounting plate| HPL061
Holding clamp (2×)| LZX200
Assembly pipe 2 m| BRO075
HS small parts set| LZX416
Installation kit with straight adapter| LZX414.00.20000
Kit, screws and seals for sensor adapters| LZX417
Miscellaneous hardware for probe installation kit| LZX416
Second fastening point, includes: bracket, sensor pipe stand, sensor pipe stand bracket, screws, and grommet)| LZX456
Sensor fixed-point mounting kit: Sensor pipe bracket| ATS010
Sensor pipe stand bracket| LZX200
L-bracket| ATS011
Adapter, Sensor 90° elbow| AHA034
Ball valve for insertion probes without adapting flange| LZX337
Welded flange made of C-steel for the pipe installation fitting| LZX703
Welded flange made of stainless steel for pipe installation safety fitting| LZX660

Section 8 Limited warranty

Hach Company warrants its products to the original purchaser against any defects that are due to faulty material or workmanship for a period of one year from date of shipment unless otherwise noted in the product manual.
In the event that a defect is discovered during the warranty period, Hach Company agrees that, at its option, it will repair or replace the defective product or refund the purchase price excluding original shipping and handling charges. Any  product repaired or replaced under this warranty will be warranted only for the remainder of the original product warranty period.
This warranty does not apply to consumable products such as chemical reagents; or consumable components of a product, such as, but not limited to, lamps and tubing.
Contact Hach Company or your distributor to initiate warranty  support. Products may not be returned without authorization from Hach Company.
Limitations
This warranty does not cover:

• Damage caused by acts of God, natural disaster, labor unrest, acts of war (declared or undeclared), terrorism, civil strife or acts of any governmental jurisdiction
• Damage caused by misuse, neglect, accident or improper application or installation
• Damage caused by any repair or attempted repair not authorized by Hach Company
• Any product not used in accordance with the instructions furnished by Hach Company
• Freight charges to return merchandise to Hach Company
• Freight charges on expedited or express shipment of warranted parts or product
• Travel fees associated with on-site warranty repair

This warranty contains the sole express warranty made by Hach Company in connection with its products. All implied warranties, including without limitation, the warranties of merchantability and fitness for a particular purpose, are  expressly disclaimed.
Some states within the United States do not allow the disclaimer of implied warranties and if this is true in your state the above limitation may not apply to you. This warranty gives you specific rights, and you may also have other rights  that vary from state to state.
This warranty constitutes the final, complete, and exclusive statement of warranty terms and no person is authorized to make any other warranties or representations on behalf of Hach Company.
Limitation of Remedies
The remedies of repair, replacement or refund of purchase price as stated above are the exclusive remedies for the breach of this warranty. On the basis of strict liability or under any other legal theory, in no event shall Hach Company be  liable for any incidental or consequential damages of any kind for breach of warranty or negligence.

Appendix A Modbus Register Information

Table 3 Sensor Modbus Registers

Group Name| Tag Name| Register| Data Type#| Length| R/W| Description
---|---|---|---|---|---|---
Measurements| TurbidityFNU| 40001| Float| 2| R| Turbidity FNU
Measurements| TurbidityEBC| 40003| Float| 2| R| Turbidity EBC
Measurements| SolidsMGL| 40005| Float| 2| R| Solids mg/L
Measurements| Solids| 40007| Float| 2| R| Solids g/L
Measurements| Solids PR| 40009| Float| 2| R| Solids %
—| Reserved| 40011| Unsigned Integer| 1| R| Reserved
Base| Parameter| 40012| Unsigned Integer| 1| R/W| Parameter
Base| UnitTRB| 40013| Unsigned Integer| 1| R/W| Unit Turbidity
Base| Units| 40014| Unsigned Integer| 1| R/W| Units Solids
Calibration| OffsetTRB| 40015| Float| 2| R/W| Turbidity Offset
Calibration| FactorTRB| 40017| Float| 2| R/W| Turbidity Factor
Calibration| Factors| 40019| Float| 2| R/W| Solids Factor
Data| Wiper state| 40021| Unsigned Integer| 1| R/W| Wiper register
Setup| Response Interval| 40022| Unsigned Integer| 1| R/W| Response time
Setup| Cleaning Interval| 40023| Unsigned Integer| 1| R/W| Wiper interval
Setup| Log Interval| 40024| Unsigned Integer| 1| R/W| Logger interval
Setup| Outputmodekal| 40025| Unsigned Integer| 1| R/W| Output when calibrate
Setup| Outputmodesrv| 40026| Unsigned Integer| 1| R/W| Output when service
Setup| Location| 40027| String| 8| R/W| Edited name
Setup| ProfilCounter| 40035| Unsigned Integer| 1| R/W| Profit counter
Data| SerienNummer| 40036| String| 6| R| Serial number
Calibration| DateUserCal| 40042| Date| 2| R| Date of manufacturing calibration
Calibration| DateUserCalTURB| 40044| Date| 2| R| Date of calibration turbidity
Calibration| DateUserCalSOLID| 40046| Date| 2| R| Date of calibration solid
Data| VersionAppl| 40048| Float| 2| R| Version application
Data| VersionBoot| 40050| Float| 2| R| Version Bootloader
Data| Version Struct| 40052| Unsigned Integer| 1| R| Version structure probed river
Data| Version Content| 40053| Unsigned Integer| 1| R| Version register probed river
Data| Version Firmware| 40054| Unsigned Integer| 1| R| Version firmware probed river
Data| FormatMinFNU| 40055| Float| 2| R| Minimum turbidity FNU
Data| FormatMinFNU| 40057| Float| 2| R| Maximum turbidity FNU
Data| FormatMinEBC| 40059| Float| 2| R| Minimum turbidity EBC
Data| FormatMinEBC| 40061| Float| 2| R| Maximum turbidity EBC
Data| Formatting| 40063| Float| 2| R| Minimum solids g/L
Data| FormatMaxGL| 40065| Float| 2| R| Maximum solids g/L
Data| FormatMinMGL| 40067| Float| 2| R| Minimum solids mg/L
Data| FormatMaxGL| 40069| Float| 2| R| Maximum mg/L
Data| FormatMinPR| 40071| Float| 2| R| Minimum solids %
Data| FormatMinPR| 40073| Float| 2| R| Maximum solids %
Data| Signals LED| 40075| Unsigned Integer| 1| R| Signal LED
Data| Signals Moist| 40076| Unsigned Integer| 1| R| Signal moist

HACH COMPANY World Headquarters
P.O. Box 389, Loveland, CO 80539-0389 U.S.A.
Tel. 970-669-3050
800-227-4224 (U.S.A. only)
Fax 970-669-2932
orders@hach.com
www.hach.com
HACH LANGE GMBH
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D-40549 Düsseldorf, Germany
Tel. +49 (0) 2 11 52 88-320
Fax +49 (0) 2 11 52 88-210
info-de@hach.com
www.de.hach.com
HACH LANGE Srl
6, route de Compose
1222 Veenas
SWITZERLAND
Tel. +41 22 594 6400
Fax +41 22 594 6499 © Hach Company/Hach Lange
GmbH, 2004, 2006, 2009, 2022.
All rights reserved. Printed in Germany.

References

• Geräte und Reagenzien für die Wasserqualitätsanalyse | Hach
• Hach | Hach

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