Delta OHM HD2328.0 Thermocouple Thermometer User Manual

Operating manual
Thermocouple Thermometer
HD2328.0

www.deltaohm.com
Keep for future reference.

GENERAL CHARACTERISTICS

The Thermocouple Thermometer Model HD2328.0 is a portable instrument with two inputs A and B. It measures the temperature of the two input channels, and can
calculate the difference between the two channels (A-B).
It is fitted with a large LCD display for excellent visualization of the measured data.
The Thermometer Model HD2328.0 measures the temperature using immersion, penetration, contact or air probes.
The sensor can be a thermocouple chosen among the following types:

• Type K
• Type J
• Type T
• Type E

The instrument accepts the input of one, or two, thermocouples of the same type (KJ-T-E) even in a different form.
The units of measurement are the following:

1. °C (Celsius degrees)
2. °F (Fahrenheit degrees).

Using the Max, Min, and Avg function of this instrument respectively obtains also the maximum, minimum or average values.
Other available functions are:

• the relative measurement REL;
• the HOLD function;
• the A-B function;
• the automatic turning off which can also be disabled.

The instrument is provided with the factory calibration. It is also possible to perform a “User Calibration” of instrument+probe (see dedicated chapters).
Thermocouple Thermometer HD2328.0

HD2328.0

1. Inputs A and B for two thermocouples, with standard miniature connectors.
2. Battery symbol: displays the battery charge level.
3. Function indicators.
4. Secondary display line.
5. DATA/ENTER key: during normal operation displays the maximum (MAX), the minimum (MIN), and the average (AVG) of current measurements; in the menu, which confirms the current selection.
6. CLR/ESC key: during normal operation resets the maximum, the minimum, and the average of current measurements; in the menu, it resets the value set with the arrows.
7. HOLD/ key: freezes the measurement display during normal operation; in the menu, increases the current value.
8. A-B/MENU key: during normal operation, it displays in the second line the difference of the temperatures measured by the probes connected to the inputs A and B; when pressed together with the DATA key, it allows to open the menu.
9. REL/ key: during normal operation enables the relative measurement (displays the difference between the current value and the logged value when the key is pressed); in the menu, decreases the current value.
10. ON-OFF/AUTO-OFF key: turns the instrument on and off; when pressed together with the HOLD key, disables the AutoPowerOff function.
11. MAX (maximum value), MIN (minimum value) and AVG (average value) symbols.
12. Main display line.
13. Line for symbols and comments.

DESCRIPTION OF THE FUNCTIONS

The keyboard of the Thermocouple Thermometer Model HD2328.0 is composed of double-function keys. The function on the key is the “main function”, while the one
above the key is the “secondary function”.
When the instrument is in standard measurement mode, the main function is active.
In the menu, the secondary function is enabled; press the DATA+(A-B) keys together to open the menu.
The pressing of a key is accompanied by a short confirmation “beep”: a longer “beep” sounds if the wrong key is pressed. Each key-specific function is described in detail below.
The HD2328.0 measures the temperature at the two inputs: the temperature measurement at the “A” input is displayed in the mainline, while the second line shows the value at the “B” input.
ON-OFF and AUTO-OFF
This key has two functions:
ON/OFF: to turn the instrument on press ON, to turn it off press OFF.
The turning on enables all display segments for a few seconds, and then the type of calibration is enabled (CAL FACT = factory calibration; CAL USER = user calibration).

AUTO/OFF: the AutoPowerOff function can be disabled by simultaneously pressing this key and the “HOLD” key when turning the instrument on. If no probe is connected to one of the input connectors, the “BURN” message appears in the corresponding line, that is, in the first line for input “A” and in the second line for input “B”.
Disabling of the automatic turning off
The instrument has an AutoPowerOff function that automatically turns the instrument off after about 8 minutes if no key is pressed during the intervening time.
Press simultaneously the ON/OFF key and the HOLD key to disable this function. In this case, remember to turn the instrument off using the ON/OFF key: disabling of the automatic turning off is shown by the blinking battery symbol.

DATA/ENTER key

The DATA key is used for the following functions:

DATA: during normal measurement, by pressing this key once the maximum (MAX) value of the measurements captured by the probes connected to the instrument is  displayed, updating it with the acquisition of new samples;
– by pressing this key again the minimum (MIN) value is displayed;
– by pressing this key a third time the average (AVG) value is displayed.
The acquisition frequency is once a second.
The MAX, MIN, and AVG values remain in the memory until the instrument is on, even after exiting the DATA display function. When the instrument is off, the previously memorized data are cleared. Upon turning on, the instrument automatically starts memorizing the MAX, MIN and AVG values.
To reset the previous values and start with a new measurement session, press CLR until the FUNC_CLRD message appears.
ENTER: once the MENU has been opened with the DATA+UNIT keys, the DATA key will perform the ENTER function and the MENU can be browsed and the displayed parameter confirmed.

CLR/ESC key
The CLR key has two functions:

• CLEAR (CLR): allows resetting the maximum (MAX), minimum (MIN), and average  (AVG) value of the captured measurements;
• ESC: once the MENU has been opened with the DATA+UNIT keys, the CLR key will allow canceling the parameters set using the and arrows.

HOLD/     key

The HOLD key is used for the following functions:

• HOLD: by pressing this key the current measurement update is stopped and the
  The “HOLD” message will appear in the upper left-hand corner of the display. To return to the current measurement, press the key again.

•  : once the MENU has been opened with the DATA+UNIT keys, the key will allow increasing the value of the selected parameter.
  Pressed together with the ON/OFF key, during turn-on, the auto power-off function is disabled (see the description of the ON/OFF key).

A-B/MENU key
The A-B key is used for the following functions:

• A-B: in measurement mode, it displays in the second line the difference of the temperatures measured by the probes connected to the inputs A and B, and indicates “ERR” if one of the probes is in error (not connected, faulty or over range). To end the function, press the key again.
• MENU: in the menu, three items can be set:

1. Selection of the unit of measurement for temperature: °C or °F.
2. Selection of the type of Thermocouple: K, J, T, E.
3. Starting the User calibration procedure.
   – the menu is opened by pressing simultaneously DATA+(A-B): the first item of the instrument programming menu will appear;
   – use the  and  arrows (respectively located above the HOLD and REL keys) to modify the displayed value;
   – press DATA/ENTER to confirm the modification and go on to the next item;
   – press CLR/ESC to cancel the modification;
   – to exit the menu, press the A-B/MENU key again.

REL/  key
The REL key is used for the following functions:

• REL: it displays the difference between the current value and that measured on pressing the key for both measurements: main and secondary. The “REL” message is displayed on the left. To return to the normal measurement, press the key again.
•  once the MENU has been opened with the DATA+(A-B) keys, the key will allow decreasing the value of the selected parameter.

THE PROGRAMMING MENU

To access the programming menu press simultaneously the DATA+(A-B) keys.

The items to be set are listed in this order:

1. Selection of the unit of measurement: the “SEL_MEAS_UNIT” message is displayed in the comment line. The mainline in the center of the display shows the selected unit of measurement: Celsius (°C) or Fahrenheit (°F) degrees.:

• use the  and ****arrows (respectively located above the HOLD and REL keys) to modify the type of probe;
• press DATA/ENTER to confirm the modification and go on to the next item;
• press CLR/ESC to cancel the modification;
• to exit the menu, press the A-B/MENU key again.

2. Selection of the type of Thermocouple: the “SEL” message is displayed in the mainline, while the type of probe is displayed in the comment line; in the second line is shown the “tc” message. The types of thermocouples that can be selected are K, J, T, or E.

• use the and arrows (respectively located above the HOLD and REL keys) to modify the type of thermocouple;
• press DATA/ENTER to confirm the modification and go on to the next item;
• press CLR/ESC to cancel the modification;
• to exit the menu, press the A-B/MENU key again.

3. Starting the User calibration procedure: the “ >>>_CAL_MODE” message is displayed in the comment line, and “FACt” is displayed in the mainline. The instrument is provided with the factory (“FACt”) calibration. It is also possible to perform a “USER calibration” (“USEr”) of instrument+probe. The calibration information is saved in the instrument’s memory. The same correction is applied to any probe connected to the input: therefore, the “USER calibration” should only be used with the probe used for calibration and not with other probes.

• use the and arrows (respectively located above the HOLD and REL keys) and select USEr, to access the “USER calibration” procedure;
• press DATA/ENTER to confirm the modification;
• the “SEL_CHAN” message is displayed in the comment line;
• use the and arrows (respectively located above the HOLD and REL keys) to select the input “A” or “B” in the mainline;
• the “SEL_MEAS_1/2” message is displayed in the comment line;
• use the and arrows (respectively located above the HOLD and REL keys) to select “0”, “1” or “2” in the mainline;
•  press DATA/ENTER to confirm the modification;
• press CLR/ESC to cancel the modification;
• to exit the menu, press the UNIT/MENU key again.

The instrument works with thermocouple probes of type K, J, T, or E. See chapter ‘The programming menu’ for the selection of the type of probe. The contacts of the thermocouple probe connector are polarized. They must be inserted on the standard miniature socket located on the instrument in the correct direction. These probes are usually marked with a “+” and “–” sign. The user can choose the unit of measurement for the display of temperature: °C and °F. The Thermometer HD2328.0 has two inputs: the temperature for input “A” (see description of the inputs) is displayed in the mainline: and the temperature for input “B” is displayed in the second line. When the “A-B” function s enabled, the relevant differential temperature is displayed in the second line.
If two probes are used, they must be the same type of thermocouple.

TEMPERATURE  MEASUREMENT

In all versions, the thermocouple hot junction is housed in the end part of the probe.
The response time for the measurement of the temperature in the air is greatly reduced if the air is moving. If the air is still, stir the probe. The response times are longer than those for liquid measurements.
The temperature measured by immersion is carried out by inserting the probe into the liquid, in the oven where you wish to perform the measurement; the hot junction is housed in the end part of the probe. In the temperature measured by penetration, the probe tip must be inserted into the material; the hot junction is housed in the end part of the probe. NOTE: when measuring the temperature on frozen blocks it is convenient to use a mechanical tool to bore a cavity in which to insert the tip probe. In order to perform a correct contact measurement, the measurement surface must be even and smooth, and the probe must be perpendicular to the measurement plane.
So as to obtain the correct measurement, the insertion of a drop of oil or heat-conductive paste between the surface and the probe is useful (do not use water or solvents). This method also improves the response time.
CALIBRATION OF THE INSTRUMENT ONLINE WITH THE PROBE(S)
To calibrate the probes correctly, knowledge of and abiding by the physical phenomena on which the measurement is based is fundamental: this is the reason why it is recommended to abide by what is reported below carefully, and only to perform new calibrations if technically proficient and using the suitable equipment. The instrument is provided with only FACT (factory) calibration. The user is also able to perform a USER calibration of instrument+probe.

The calibration information is saved in the instrument’s memory. The same correction is applied to any probe that is subsequently connected to the input: therefore, the “USER calibration” should only be used with the probe used for calibration and not with other probes.
To pass from the user to the factory calibration and back, proceed as follows:

• press simultaneously (A-B)/MENU and DATA/ENTER to open the menu:
• press ENTER until the menu item “CAL_MODE” is selected.
• use the and arrows (respectively located above the HOLD and REL keys) to select the type of calibration, FACT or USER;
• confirm by pressing DATA/ENTER.

CALIBRATION SEQUENCE – INSTRUMENT ONLINE WITH THE PROBE(S):

The calibration can be carried out on one or two points that should differ by at
At least 10°C and be included in the probe functioning range.

1. Insert the probe into a thermostatic bath, the temperature of which is precisely known from a reading taken on a sample reference thermometer. Wait for the measurement to stabilize.
2. Press simultaneously (A-B)/MENU and DATA/ENTER to open the menu.
3.  Press DATA/ENTER until the menu item “CAL_MODE” is selected.
4. Use the and arrows (respectively located above the HOLD and REL keys) to select the USER calibration.
5. Confirm with DATA/ENTER.
6. Use the and arrows (respectively located above the HOLD and REL keys) to select the input to which the probe being calibrated is connected, choosing the upper connector A or the lower one B.
7. Confirm with DATA/ENTER.
8. The “SEL_MEAS_1/2” message is displayed in the comment line.
9. Use the and arrows to select “1” (first calibration point).
10. Confirm with DATA/ENTER.
11. The “UP DOWN 1st MEAS” message is displayed in the comment line: the instrument display shows the measured temperature.
12. Use the and arrows to correct the indicated value until it coincides with the value measured by the sample reference thermometer.
13. Confirm with DATA/ENTER.
14. To exit the procedure without performing the second point, select “0” and press ENTER.
15. To calibrate the second point, select the point “2” using the and arrows.
16. Press DATA/ENTER.
17. The “UP DOWN 2nd MEAS” message is displayed in the comment line.
18. Move the probe to the second thermostatic bath and wait for the measurement to stabilize.
19. The instrument display shows the measured temperature.
20. Use the and arrows to correct the indicated value until it coincides with the value measured by the sample reference thermometer.
21. Confirm with DATA/ENTER.

The procedure is now complete.

WARNINGS

1. Do not expose the probes to gases or liquids that could corrode the material of the probe. Clean the probe carefully after each measurement.
2. Do not bend the probe connectors or force them upward or downward.
3. Comply with the correct polarity of the probes.
4. Do not bend or force the contacts when inserting the probe connector into the instrument.
5. Do not bend, deform or drop the probes, as this could cause irreparable damage.
6. Always select the most suitable probe for your application.
7. In general, do not use temperature probes in presence of corrosive gases or liquids; the probe external containers are made of AISI 316 or INCONEL stainless steel, while the contact probe containers are made from AISI 316 or INCONEL stainless steel plus silver. Avoid contact between the probe surface and any sticky surface or product that could corrode or damage it.
8. To obtain reliable measurements, temperature variations that are too rapid must be avoided.
9.  Temperature probes for surface measurements (contact probes) must be held perpendicular to the surface. Apply oil or heat-conductive paste between the surface and the probe in order to improve contact and reduce reading time. Whatever you do, do not use water or solvent for this purpose. A contact measurement is always very hard to perform. It has high levels of uncertainty and depends on the ability of the operator.
10. Temperature measurements on non-metal surfaces usually require a great deal of time due to the low heat conductivity of non-metal materials.
11. The sensor is not insulated from its external casing; be very careful not to come into contact with live parts (above 48V). This could be extremely dangerous for the instrument as well as for the operator, who could be electrocuted.
12. Avoid taking measurements in presence of high-frequency sources, microwave ovens or large magnetic fields; results may not be very reliable.
13. The instrument is water-resistant, but should not be immersed in water. Should the instrument fall into the water, check for any water infiltration from the connectors’ side. Gently handle the instrument in such a way as to prevent any water infiltration from the connectors’ side.

INSTRUMENT SIGNALS AND FAULTS

The following table lists all error indications and information displayed by the instrument and supplied to the user in different operating situations:

GATT TOO LOW
CHNG NOW| Indication of insufficient battery charge appearing on
turning on. The instrument issues a long beep and turns off. Replace the batteries.
BURN| The probe is disconnected or faulty.
CAL
LOST| Program error: it appears after turning on for a few
seconds. Contact the instrument’s supplier.
CAL FACT| Factory calibration.
CAL USER| User calibration.
CAL_MODE| Calibration mode
ERR| This message appears when a wrong function is called: for example, should the A-B key be pressed or the AVG function is enabled when one of the two probes is not connected.
FUNC CLRD| Max, min, and average values clearing
OVER o UNDR| Measurement overflow: indicates that the probe is measuring a value exceeding the measuring range.
PLS EXIT >>> FUNC
RES_FOR_FACT ONLY| Please exit using ESC >>> function reserved to factory calibration
SEL CHAN| Input channel selection
SEL MEAS 1/2| Select the first/second calibration point
SEAL MEAS UNIT| Selection of the unit of measurement
SEAL_TYPE_TC| Selection of the type of thermocouple
SYS ERR #| Instrument management program error. Contact the instrument’s supplier and communicates the numeric code # reported by the display.

INSTRUMENT STORAGE

Instrument storage conditions:

• Temperature: -25…+65°C.
• Humidity: less than 90%RH without condensation.
• Do not store the instrument in places where:
• humidity is high;
• the instrument may be exposed to direct sunlight;
• the instrument may be exposed to a source of high temperature;
• the instrument may be exposed to strong vibrations;
• the instrument may be exposed to steam, salt or any corrosive gas.

The instrument case is made of ABS plastic: do not use any incompatible solvent for cleaning.
LOW BATTERY WARNING AND BATTERY REPLACEMENT

The battery symbol   on the display constantly shows the battery charge status. To the extent that batteries have discharged, the symbol “empties”. When the charge decreases still further it starts blinking.

In this case, batteries should be replaced as soon as possible.
If you continue to use it, the instrument can no longer ensure correct measurement.
The memory data are maintained.
If the battery charge level is insufficient, the following message appears when you turn the instrument on:
BATT TOO LOW CHNG NOW
The instrument issues a long beep and turns off. In this case, replace the batteries in order to turn the instrument back on.
To replace the batteries, proceed as follows:

1. switch the instrument off;
2. unscrew the battery cover counterclockwise;
3. replace the batteries (3 1.5V alkaline batteries – type AA);
4. screw the cover on clockwise.

Malfunctioning upon turning on after battery replacement
After replacing the batteries, the instrument may not restart correctly; in this case, repeat the operation.
After disconnecting the batteries, wait a few minutes in order to allow circuit condensers to discharge completely; then reinsert the batteries.
WARNING ABOUT BATTERY USE

• Batteries should be removed when the instrument is not used for an extended time.
• Flat batteries must be replaced immediately.
• Avoid batteries leaking.
• Always use good quality leakproof alkaline batteries. Sometimes on the market, it is possible to find new batteries with an insufficient charge capacity.

NOTES ABOUT WORKING AND OPERATIVE SAFETY
Authorized use
The technical specifications as given in chapter “TECHNICAL CHARACTERISTICS” must be observed. Only the operation and running of the measuring instrument according to the instructions given in this operating manual is authorized. Any other use is considered unauthorized.

General safety instructions

This measuring system is constructed and tested in compliance with the EN 61010-1 safety regulations for electronic measuring instruments. It left the factory in a safe and secure technical condition.
The smooth functioning and operational safety of the measuring system can only be guaranteed if the generally applicable safety measures and the specific safety instructions in this operating manual are followed during operation. The smooth functioning and operational safety of the instrument can only be guaranteed under the environmental and electrical operating conditions that are in specified in chapter TECHNICAL CHARACTERISTICS.
Do not use or store the product in places such as listed below:

• Rapid changes in ambient temperature may cause condensation.
• Corrosive or inflammable gases.
• Direct vibration or shock to the instrument.
• Excessive induction noise, static electricity, magnetic fields, or noise.

If the measuring system was transported from a cold environment to a warm environment, the formation of condensate can impair the functioning of the measuring system. In this event, wait until the temperature of the measuring system reaches room temperature before putting the measuring system back into operation.
Obligations of the purchaser
The purchaser of this measuring system must ensure that the following laws and guidelines are observed when using dangerous substances:

• EEC directives for protective labor legislation
• National protective labor legislation
• Safety regulations

INSTRUMENT TECHNICAL CHARACTERISTICS

Instrument

Dimensions (Length x Width x Height)
Weight
Material
Display| 140 x 88 x 38 mm
160 g (complete with batteries) ABS
2×4½ digits plus symbols
Visible area: 52 x 42 mm
---|---

Operating conditions

Operating temperature
Warehouse temperature
Working relative humidity
Protection degree| -5…+50°C
-25…+65°C
0…90% RH without condensation
IP67
---|---

Power

Batteries
Autonomy
Power absorbed with instrument off| 3 1.5V type AA batteries
200 hours with 1800mAh alkaline batteries
< 20 µA
---|---

Connections

Inputs for probes
Unit of Measurement| 2-pole female polarized standard miniature connectors
°C – °F;
---|---

Measurement of temperature by Instrument

Tc measurement range: K
Tc measurement range: J
Tc measurement range: T
Tc measurement range: E| -200 … +1370°C
-100 … +750°C
-200 … +400°C
-200 … +750°C
---|---

Resolution 0.1°C
Instrument accuracy

Thermocouple K
Thermocouple J
Thermocouple T
Thermocouple E| ±0.1 °C up to 600 °C,±0.2 °C over 600 °C
±0.1 °C up to 400 °C,±0.2 °C over 400 °C
±0.1 °C
±0.1 °C up to 300 °C,±0.2 °C over 300 °C
---|---

The precision only refers to the instrument. Error due to the thermocouple or to the cold junction reference sensor is not included.
Temperature drift @20°C………………………….0.02%/°C
Drift after 1 year……………………………………….0.1°C/year
Accuracy of the thermocouple probes:
The tolerance of a type of thermocouple corresponds to the maximum acceptable departure from the e.m.f. of any thermocouple of that type, with reference junction at 0°C.
The tolerance is expressed in degrees Celsius, preceded by the sign.
The percentage tolerance is given by the ratio between the tolerance expressed in degrees Celsius and the measurement junction temperature, multiplied by one hundred.
The thermocouples conforming to regulations must comply with one of the following tolerance levels, the values of which are reported in the table.
G I (special tolerances)
G II (normal tolerances)
The tolerances refer to the expected thermocouple operating temperature, in agreement with the thermoelements’ diameter.
Tolerance of the thermocouples:

• The higher of the two optional limits is the valid one. Example: at 200°C the percentage tolerance for type K thermocouple, tolerance G II, is ±0.75% and is equal to ±1.5°C. Therefore, the limit of ±2.2°C is valid. On the other hand, at 600°C the percentage tolerance is equal to ±4.5°C, and therefore this is the limit to use.
  ** The thermocouples that meet the limits for temperatures higher than 0°C do not necessarily meet the limits for the range under 0°C.

ORDERING CODES

HD2307.0
The kit is composed of the HD2328.0 with two inputs, 3 1.5V alkaline batteries, operating manual, and case. The probes must be ordered separately.
THERMOCOUPLE PROBES
The thermocouple probes can be connected to all instruments using the standard miniature connector, which can be obtained from the price list.
DELTA OHM metrology laboratories LAT N° 124 are ISO/IEC 17025 accredited by ACCREDIA for Temperature, Humidity, Pressure, Photometry / Radiometry, Acoustics and Air Velocity. They can supply calibration certificates for the accredited quantities.

EU DECLARATION OF CONFORMITY
Delta Ohm S.r.L. a socio unico — Via Marconi 5 — 35030 Caselle di Selvazzano — Padova — ITALY
Document-No. / Month. Year : 5159 / 07.2019
We declare as manufacturer herewith under our sole responsibility mat me following products are in compliance with the protection requirements defined in the European Council directives:…………………………………………
Product identifier:……………………………………………………..
Product description:…………………………………………………..
HVAC40R17T… / HVAC40S17T…………….
Temperature and humidity transmitters / Hygrostats
The products conform to the following European Directives:

Directive / Directives

2014/30/EU| Direttiva EMC / EMC Directive
2014/35/EU| Direttiva bassa tensione / Low Voltage Directive
2011/65/EU| RoHS / RoHS

Applied harmonized standards or mentioned technical specifications:

Harmonized standards

EN 61010-1:2010| Electrical safety requirements
EN 61326-1:2013| EMC requirements
EN 50581:2012| RoHS

The manufacturer is responsible for the declaration released by:
Johannes Overhues
Chief Executive Officer

Caselle di Selvazzano. 24/02/2020
This declaration certifies the agreement with the harmonization legislation mentioned. contained however no warranty of characteristics.
GHM GROUP ­ Delta OHM
Delta Ohm S.r.l. a socio unico Via Marconi 5
35030 Caselle di Selvazzano
Padova
ITALY Phone +39 049 8977150
Fax +39 049 635596 www.deltaohm.com 
[email protected]

WARRANTY

Delta OHM is required to respond to the “factory warranty” only in those cases provided by Legislative Decree 6 September 2005 – n. 206. Each instrument is sold after rigorous inspections; if any manufacturing defect is found, it is necessary to contact the distributor where the instrument was purchased from. During the warranty period (24 months from the date of invoice) any manufacturing defects found will be repaired free of charge. Misuse, wear, neglect, lack or inefficient maintenance as well as theft and damage during transport are excluded. Warranty does not apply if changes, tampering or unauthorized repairs are made on the product. Solutions, probes, electrodes and microphones are not guaranteed as improper use, even for a few minutes, may cause irreparable damages. Delta OHM repairs the products that show defects of construction in  accordance with the terms and conditions of the warranty included in the manual of the product. For any dispute, the competent court is the Court of Padua. The Italian law and the “Convention on Contracts for the International Sales of Goods” apply.

TECHNICAL INFORMATION

The quality level of our instruments is the result of continuous product development. This may lead to differences between the information reported in the manual and the instrument you have purchased. In case of discrepancies and/or inconsistencies, please write to [email protected]. Delta OHM reserves the right to change technical specifications and dimensions to fit the product requirements without prior notice.

DISPOSAL INFORMATION

**** Electrical and electronic equipment marked with specific symbols in compliance with the 2012/19/EU Directive must be disposed of separately from household waste. European users can hand them over to the dealer or to the manufacturer when purchasing new electrical and electronic equipment, or to a WEEE collection point designated by local authorities. Illegal disposal is punished by law.
Disposing of electrical and electronic equipment separately from normal waste helps to preserve natural resources and allows materials to be recycled in an environmentally friendly way without risks to human health.

References

• Senseca - Measuring, monitoring, testing and control instruments

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