OMEGA CS8DPT Universal Benchtop Digital Controller User Guide

CS8DPT Universal Benchtop Digital Controller
User Guide CS8DPT
CS8EPT

CS8DPT Universal Benchtop Digital Controller

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INTRODUCTION

The Platinum™ Series Universal Benchtop Digital Controller, is ideal for laboratory and other applications requiring portable, temperature, process or strain, measurement and control. It features a universal input which reads most temperature, process and bridge type inputs. The Benchtop Digital Controller has excellent accuracy and is factory calibrated to give optimum performance over its full operating range.
1.1 Safety and Precautions
It is important to read and follow all precautions and instructions in this manual and other referenced manuals, before operating or commissioning this device, as it contains important information relating to safety and EMC.

• Do not exceed the voltage rating.
• Always disconnect the power before changing the signal and power connections.
• Do not operate in flammable or explosive environments.
• Never operate with a power cord that is not properly rated for use with this unit.
• Remove and or disconnect main power cord before attempting any maintenance or fuse replacement.
• Do not connect and/or operate this unit to a non-grounded or non-polarized outlet or power source.

There are no user serviceable parts inside the unit. Attempting to repair or service the unit may void the warranty.
This product is not designed for medical applications.
1.2 Cautions and IEC Symbols
This device is marked with international safety and hazard symbols shown in the table below, in accordance with 2014/35/EU Low Voltage Directive. It is important to read and follow all precautions and instructions in this manual before operating or commissioning this device as it contains important information relating to safety and EMC. Failure to follow all safety precautions may result in injury and/or damage to the controller. Use of this device in a manner not specified by the manufacturer may impair protection devices and safety features provided by the unit.

IEC Symbol

|

Description

---|---
 | CAUTION , risk of electrical shock
| CAUTION , refer to accompanying documents

1.3 Statement on CE Marking
OMEGA’s policy is to comply with all worldwide safety and EMI/EMC regulations that apply to CE Certification standards, including EMC Directive 2014/30/EU Low Voltage Directive (Safety) Directive 2014/35/EU, and EEE RoHS II Directive 2011/65/EU. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the marking to every applicable device upon verification of compliance.
1.4 Available Models

Model

|

Features

---|---
CS8DPT-C24-EIP-A| Benchtop Controller with 4-Digit Display, Embedded Ethernet, Serial Communication, and Isolated Analog Output
-EIP| Ethernet
-C24| Isolated RS232 and RS485
-A| Isolated Analog Output
CS8DPT| Benchtop Controller, Universal input with 4-Digit Display
CS8EPT| Benchtop Controller, Universal input with 6-Digit Display
CS8EPT-C24-EIP-A| Benchtop Controller with 6-Digit Display, Embedded Ethernet, Serial Communication, and Isolated Analog Output

1.5 Communication Options
The Platinum Series Benchtop Digital Controller comes with a USB port standard. Optional Serial and Ethernet connectivity is also available. All communication channels can be used with the Omega Platinum Configurator software and support both the Omega ASCII protocol and the Modbus Protocol. Refer to the Reference Manuals below for supporting documentation. The Platinum Configurator software (M5461), user manuals and more are available from the Omega website.
1.6 Reference Manuals

Number

|

Title

---|---
M5461| Platinum Series Configurator Software Manual
M5451| Platinum Series Temperature and Process Controllers Manual
M5452| Serial Communication Protocol Manual
M5458| Platinum Series User Manual – Modbus Interface

UNPACKING

Read the packing list, it is important to verify all equipment shipped has been delivered as shown in Figure 1 and Table 1. If there are any questions about the shipment, please email or call the Customer Service Department listed in this manual.
2.1 Inspection
Inspect the shipment container and equipment for any signs of damage. Record any evidence of rough handling in transit and report any damage immediately to the shipping agent. Save packaging material and carton in the event that returns are necessary.
The carrier will not honor any damage claims unless all original shipping material is saved for inspection. Table 1. Packing Contents.

Item

| Name|

Description

---|---|---
1| Unit| Universal Benchtop Digital Controller
2| Power Cord| AC Power Cord (Ordered Separately; Refer to Table 2 )
3| Output Cord| Output Cords for Wiring Equipment (QTY 2)
4| Wire Kit| Accessories for RTD and Bridge Inputs
5| Guide| MQS5451 (Quick Start Guide)

2.2 Power Cords
Electrical power is delivered to the Benchtop Digital Controller by an AC power cord which plugs into the IEC 60320 C-13 power socket located on the rear panel of the unit. Refer to
Figure 7 for detailed connections.
The input power is fused on the Line terminal.
Output connectors are fused on the Line terminal.
The Benchtop Digital Controller operates from 90 to 240 VAC @ 50-60 Hz. A main power cord may be ordered with the unit. Select the appropriate power cord for your region from Table 2.
Table 2. Power Cords

PWR Cord Type

| Part Number|

PWR Rating

---|---|---
United Kingdom, Ireland| Power Cord-UK| 240V
Denmark| Power Cord-DM| 230V, 16A
USA, Canada, Mexico| Power Cord-Molded| 120V
Italy| Power Cord-IT| 230V, 16A
Continental Europe| Power Cord E-10A| 240V, 10A
Europe| Power Cord E-16A| 240V, 16A

HARDWARE SETUP

This section details the parts of the Benchtop Controller and includes wiring diagrams to connect common inputs.
3.1 Front Panel
The controls, indicators and input connections of the Benchtop Digital Controller are located on the front of the controller as shown in Figure 2. Table 3. Front Panel Components List.

Item

| Name|

Description

---|---|---
1| 10-Pin Input Connector| Process, Strain, RTD and Thermistor Inputs
2| Display| Four-digit, three-color, LED Display
3| Adjustable Feet| Adjusts viewing angle
4| Push Buttons| Menu Navigation
5| Thermocouple Input| Miniature Thermocouple Connector input
6| USB Port| USB Port, Type A Female

3.2 10-PIN Connector Wiring Diagrams
The 10-pin universal input connector pin assignments are summarized in Table 4.
Table 4. 10-Pin Input Connector Wiring

Pin
No.

| Code|

Description

---|---|---
1| ARTN| Analog return signal (analog ground) for sensors and remote Setpoint
2| AIN+| Analog positive input
3| AIN-| Analog negative input
4| APWR| Analog power reference
5| AUX| Auxiliary analog input for remote Setpoint
6| EXCT| Excitation voltage output referenced to ISO GND
7| DIN| Digital input signal (latch reset, etc.), Positive at > 2.5V, ref. to ISO GND
8| ISO GND| Isolated ground for serial communications, excitation, and digital input
9| RX/A| Serial communications receive
10| TX/B| Serial communications transmit

Table 5 summarizes the universal input pin assignments for different sensor inputs. All sensor selections are firmware-controlled and no jumper settings are required when switching from one type of sensor to another.
Table 5. Sensor Pin Assignments

Pin| Diff
Voltage| Process
Voltage| Process
Current| 2-Wire
RTD| 3-Wire
RTD| 4-Wire
RTD| Thermistor| Remote (1)
Setpoint
---|---|---|---|---|---|---|---|---
1| Vref – (2)| Rtn|  | (3)| RTD2-| RTD2+|  | Rtn
2| Vin +| Vin +/-| I+| RTD1+| RTD1+| RTD1+| TH+|
3| Vin –|  | I-|  |  | RTD2-| TH-|
4| Vref + (2)|  |  | RTD1-| RTD1-| RTD1-|  |
5|  |  |  |  |  |  |  | V/I In

1. Remote Setpoint cannot be used with RTD inputs.
2. Reference voltage required for Ratio-metric mode only.
3. 2 Wire RTD Requires external connection of Pin 1 and Pin 4.

Figure 3 shows the wiring diagram for connecting RTD sensors. For 2 wire RTD sensors use a jumper wire, included in the provided wire kit, to connect pins 1 and 4. Figure 4 shows the wiring diagram for the process current input using either internal or external excitation. The benchtop unit provides 5V excitation by default and can also output 10V, 12V or 24V excitation voltages. Refer to the Platinum Series User’s Manual (M5451) for more information on selecting the excitation voltage. Figure 5 shows the wiring for ratio-metric bridge inputs. Connect the resistors R1 and R2, included in the provided Wire Kit, across terminals 4 and 6 and terminals 1 and 8 respectively. This allows the Bridge voltage to be measured.
When powering a bridge from the unit use an internal excitation voltage of either 5V or 10V. External excitation may also be used but must be kept between 3V and 10V and be ground isolated from the unit. 3.3 Universal Thermocouple Connector
The Benchtop Digital Controller accepts miniature thermocouple connectors. Ensure the polarity of the connector is correct as indicated in Figure 6. The wide terminal of the miniature connector is negative. 3.4 Rear Panel
The power, fuses and outputs are located on the rear panel of the Benchtop Digital Controller. The optional Ethernet port is also located at the rear of the unit.
Table 6. Rear Panel Components List.

Item

| Name|

Description

---|---|---
1| ON/OFF Switch|
2| AC Power Fuses| 90 to 240 Vac, 50/60 Hz, Time Lag
 | F1 (Fuse)| Protects the AC power input
F2 (Fuse)| Protects Output 1
F3 (Fuse)| Protects Output 2
3| Ethernet Port (RJ45)| 10/100Base-T (Optional)
4| AC Main Input Plug| IEC60320 C13, Power Socket. 90 to 240 Vac, 50/60 Hz
5| Output 1| Relay Output, 90-240 VAC ~ 3A Max
6| Output 2| SSR Output, 90-240 VAC ~ 5A Max
7| Isolated Analog Terminal| 0-10V or 0-24mA Output (Optional)

Single Phase AC Input Only. Neutral line is not fused or switched.
Outputs 1 and 2 are sourced directly from the Main AC Input.
3.5 Isolated Analog Output
Table 7 shows the wiring of the optional Isolated Analog Output terminals.
Table 7. Analog Output Terminals.

Terminal

|

Description

---|---
1| Analog Output
2| Not Connected
3| Analog Return

CONFIGURATION AND PROGRAMMING

This section outlines the initial programming and configuration of the Benchtop Digital Controller. It gives a brief outline on how to setup the inputs and outputs, and how to configure the setpoint and control modes. Refer to the Platinum Series User’s Manual (M5451) for more detailed information on all the controller’s functions.
4.1 PLATINUM Series Navigation Description of Button Actions
The UP button moves up a level in the menu structure. Pressing and holding the UP button navigates to the top level of any menu (oPER, PRoG, or INIt). This can useful if you get lost in the menu structure.
The LEFT button moves across a set of menu choices at a given level. When changing numerical settings, press the LEFT button to make the next digit (one digit to the left) active.
The RIGHT button moves across a set of menu choices at a given level. The RIGHT button also scrolls numerical values up with overflow to 0 for the flashing digit selected.
The ENTER button selects a menu item and goes down a level, or it saves a numerical value or parameter choice.
Level 1 Menu
INIt: Initialization Mode: These settings are rarely changed after initial setup. They include transducer types, calibration, etc. These settings can be password-protected.
PRoG: Programming Mode: These settings are frequently changed. They include Set points, Control Modes, Alarms, etc. These settings can be password-protected.
oPER: Operating Mode: This mode allows users to switch between Run Mode, Standby Mode, Manual Mode, etc.
Figure 10 shows how to use the LEFT and RIGHT buttons to navigate around a menu.

Figure 10. Circular Menu Flow.

4.2 Selecting an Input (INIt >INPt)
The Benchtop Digital Controller features a Universal Input. The input type is selected in the Initialization Menu. Select the input type by navigating to the Input sub-menu (INIt>INPt).
Available Input types are shown in Table 8.
Table 8. Input Menu.

Level 2

| Level 3| Level 4| Level 5| Level 6| Level 7|

Description

---|---|---|---|---|---|---
INPt| t.C.| k|  |  |  | Type K thermocouple
 |  | J|  |  |  | Type J thermocouple
 |  | t|  |  |  | Type T thermocouple
 |  | E|  |  |  | Type E thermocouple
 |  | N|  |  |  | Type N thermocouple
 |  | R|  |  |  | Type R thermocouple
 |  | S|  |  |  | Type S thermocouple
 |  | b|  |  |  | Type B thermocouple
 |  | C|  |  |  | Type C thermocouple
 | Rtd| N.wIR| 3 wI|  |  | 3-wire RTD
 |  |  | 4 wI|  |  | 4-wire RTD
 |  |  | 2 wI|  |  | 2-wire RTD
 |  | A.CRV| 385.1|  |  | 385 calibration curve, 100 Ω
 |  |  | 385.5|  |  | 385 calibration curve, 500 Ω
 |  |  | 385.t|  |  | 385 calibration curve, 1000 Ω
 |  |  | 392|  |  | 392 calibration curve, 100 Ω
 |  |  | 3916|  |  | 391.6 calibration curve, 100 Ω
 | tHRM| 2.25k|  |  |  | 2250 Ω thermistor
 |  | 5k|  |  |  | 5000 Ω thermistor
 |  | 10k|  |  |  | 10,000 Ω thermistor
 | PRoC| 4–20|  |  |  | Process input range: 4 to 20 mA
 |  |  | The Manual and Live Scaling submenus are the same for all process ranges.
 |  |  | MANL| Rd.1| | Low display reading
 |  |  |  | IN.1| | Manual input for Rd.1
 |  |  |  | Rd.2| | High display reading
 |  |  |  |  |  |
 |  |  |  | IN.2| | Manual input for Rd.2
 |  |  | LIVE| Rd.1| | Low display reading
 |  |  |  | IN.1| | Live Rd.1 input, ENTER for current
 |  |  |  | Rd.2| | High display reading
 |  |  |  | IN.2| | Live Rd.2 input, ENTER for current
 |  | 0–24|  |  |  | Process input range: 0 to 24 mA
 |  | +-10|  |  |  | Process input range: -10 to +10 V
 |  | +-1|  |  |  | Process input range: -1 to +1 V
 |  |  | The Type selection submenu is available for 1V, 100mV and 50mV ranges.
 |  |  | tYPE| SNGL*|  | Ground Referenced to Rtn
 |  |  |  | dIFF|  | Differential between AIN+ and AIN-
 |  |  |  | RtLO|  | Ratiometric between AIN+ and AIN-
 |  | +-0.1|  |  |  | Process input range: -100 to +100 mV
 |  | +-.05|  |  |  | Process input range: -50 to +50 mV

*SNGL selection not available for +/-0.05V range.
4.3 Set the Setpoint 1 Value (PRoG > SP1)
Setpoint 1 is the main setpoint used for control and is displayed on the front of the unit. The unit will try to maintain the input value at the setpoint using the selected outputs.
In the program menu, using the return button, select the SP1 parameter. Use left and right buttons to set the process goal value for PID and oN.oF control modes.
Refer to Section 4.5 and Section 4.6 for more information on setting up control modes.
4.4 Set up the Control Output
The outputs and control parameters of the unit are set up in the Programming (PRoG) Menu. The unit is configured with a 3A Mechanical Relay and a 5A Solid State Relay. An optional Isolated Analog Output is also available.
4.4.1 Select an Output Channel (PRoG > StR1/dC1/IAN1)
In the Program Menu, navigate and select an Output Type to configure.

Menu

|

Output Type

---|---
StR1| Single Throw Mechanical Relay number 1. (Output 1)
dC1| DC Pulse output number 1 (Controls the 5A SSR). (Output 2)
IAN1| Isolated Analog output number 1 (Optional ISO Analog terminals)

Each Output Type has the following submenus:

Setting|

Parameters

---|---
ModE| Allows the output to be set up as a control, Alarm, Retransmission, or Ramp/Soak event output; the output can also be turned off.
CyCL| PWM pulse width in seconds for StR1 and dC1. (PID Control Mode Only)
RNGE| Sets the voltage or current output range (For IAN1 only)

For safety, all outputs modes are set to OFF by default. To use an output, select the appropriate control mode setting from the Mode Menu. PID mode and On/Off mode can be used for process control. The other modes are event based and can be used to activate the outputs during certain events.

Setting|

Parameters

---|---
oFF| Turn off the output channel (factory default).
PId| Set the output to Proportional-Integral-Derivative (PID) Control.
oN.oF| Set the output to On/Off Control Mode.
RtRN| Set up the output for Retransmission (IAN1 Only).
RE.oN| Turn on the output during Ramp events.
SE.oN| Turn on the output during Soak events.

4.5 On/Off Control Mode (PRoG > {Output} > ModE > oN.oF)
For simple applications On/Off control mode can be used to maintain a rough temperature. This mode can be used with either the SSR or Mechanical Relay but not with the Analog Output.
On/Off control mode turns an output On or Off based on if the process value is above or below the setpoint. In On/Off control mode the direction of control is set in the Action (ACtn) menu and a Deadband is set in the (dEAd) menu.
For ACtN, select the correct setting:

Setting

|

Parameters

---|---
RVRS| Reverse: Output remains On until (Process Value > Setpoint) then Output remains Off until (Process Value < Setpoint – Deadband)
dRCt| Direct: Output remains On until (Process Value < Setpoint) then Output remains Off until (Process Value > Setpoint + Deadband)

The Deadband represents how much the process value must revert, after reaching the setpoint, before the output will activate gain. It prevents the output from rapidly cycling on and off. Use the (dEAd) menu to set the desired value. The default deadband is 5.0. A deadband of zero will turn the output back on immediately after it crosses the setpoint.
4.6 PID Control
PID control mode is required for Ramp and Soak applications or for finer process control. For Mechanical Relay and SSR outputs, the output will be on a percentage of time based on the PID control values. The frequency of switching is determined by the (CyCL) parameter for each output. For the optional analog output, the PID control changes the output to a percentage of the full scale selected in the (RNGE) menu.
The SSR is synchronous and can only switch ON or OFF at the 0V AC.
PID mode may cause relay chattering when used with StR.1. For this reason, the cycle time for StR.1 is limited to a minimum of 1 second.
4.6.1 PID Configuration (PRoG > PId.S)
The PID tuning parameters must be set before PID control can be used. These parameters can either be set by hand in the (PRoG>PId.S>GAIN) menu or the controller can try to determine these values for you using the Autotune option.
4.6.2 Follow these steps to run an Autotune procedure:

1. Hook up the controller in its desired configuration with the inputs and outputs connected.
2. Set the desired Setpoint as detailed in Section 4.3.
3. Set the desired output to PID mode as detailed in Section 4.4.
4. Set the action (ACtN) parameter (PRoG>PID.S>ACtn) as detailed below.

Setting

|

Description

---|---
RVRS| Reverse: Output increases the process value
dRCt| Direct: Output decreases the process value
5. Set the Autotune Timeout (A.to) parameter (PRoG>PID.S>A.to).
• (A.to) sets the amount of time before the Autotune process gives up and times out in Minutes and Seconds (MM.SS). Note that slowly responding systems should have a longer time out setting.

6. Ensure the process value is stable. If the process value is changing, the Autotune will fail.

7. Select the Autotune (AUto) command (PRoG>PID.S>AUto).
   • Confirm Autotune activation. Using return button.
   • The current Process value is displayed flashing.
   • The unit optimizes the P, I, and d settings by turning the output on and measuring the input response. This may take several minutes depending on the system.
   • When the Autotune operation completes the unit displays the message “doNE”.

8. If Autotune fails an error code is displayed. Refer to the table below to determine the cause.

Error Code

|

Description

---|---

E007

| Displays if the system does not change enough within the Autotune timeout period.
Check that the output is hooked up and configured correctly or increase the timeout.
E016| Displays if the signal is not stable before starting an Autotune. Wait for the system to stabilize before trying to Autotune again.
E017| Displays if the process value is beyond the setpoint. Adjust the Setpoint or the Action.

4 .7 Retransmission Using the Analog Output
The optional Analog Output can be configured to transmit a Voltage or current signal proportional to the Input. Select the output type in the PRoG > IAN.1 > RNGE menu.
For a more detailed discussion of setting up and configuring the Analog Output refer to the Platinum Series User’s Manual (M5451).
4.7.1 Select an Output Type
The scaling of input readings to output voltage or current is fully user configurable.

Type

|

Description

---|---
0-10| 0 to 10 Volts (factory default)
0-5| 0 to 5 Volts
0-20| 0 to 20 mA
4-20| 4 to 20 mA
0-24| 0 to 24 mA

4.7.2 Set Mode to Retransmission
Enable the output by setting the mode to Retransmission (PRoG. > IAN.1 > Mode

RtRN).
4.7.3 Set Scaling
The Retransmission signal is scaled using the following 4 parameters. The unit will display the first scaling parameter, Rd1, after RtRN is selected.

Setting

|

Parameters

---|---
Rd1| Process reading 1; the process reading that corresponds to the output signal oUt1.
oUt1| The output signal that corresponds to the process value Rd1.
Rd2| Process reading 2; the process reading that corresponds to the output signal oUt2.
oUt2| The output signal that corresponds to the process value Rd2.

SPECIFICATIONS

Table 9 is a summary of the specifications unique to the Benchtop Digital Controller. It take precedence where applicable. For detailed specifications refer to the Platinum Series User’s Manual (M5451).
Table 9. Benchtop Digital Controller Specifications Summary.

Model CS8DPT/CS8EPT

Display| 4 or 6-Digit
Sensor Input(s) Channel| Single-Channel, Universal Input
Power All Models: Fused:| 90 to 240 VAC 50/60 Hz (Single Phase Only) Time-Lag, 0.1A, 250 V
All Outputs Output 1:

Output 2:

| 90 to 240 VAC 50/60 Hz (Single Phase Only) Fast-Blow, 3A, 250 V
Fast-Blow, 5A, 250 V
Enclosure: Material: Size:| Case – Plastic (ABS)

236mm W x 108mm H x 230mm D (9.3” W x 4.3” H x 9.1” D)

Weight:| 1.14 kg (2.5 lb)

Approval Information

__| __ This product conforms to the EMC: 2014/30/EU (EMC Directive) and Electromagnetic Compatibility Regulations 2016.
Electrical Safety: 2014/35/EU (Low Voltage Directive) and Electrical Equipment (Safety) Regulations 2016
Safety requirements for electrical equipment for measurement, control, and laboratory.| EMC Measurement Category I
Category I includes measurements performed on circuits not directly connected to the Mains Supply (power). Maximum Line-to-Neutral working voltage is 50Vac/dc. This unit should not be used in Measurement Categories II, III, and IV.
Transients Overvoltage Surge (1.2 / 50uS pulse)
• Input Power: 2000 V
• Input Power: 1000 V
• Ethernet: 1000 V
• Input/Output Signals: 500 V
Double Insulation; Pollution Degree 2 Dielectric withstand Test per 1 min
• Power to Input/Output: 2300 Vac (3250 Vdc)
• Power to Relays/SSR Output: 2300 Vac (3250 Vdc)
• Ethernet to Inputs: 1500 Vac (2120 Vdc)
• Isolated RS232 to Inputs: 500 Vac   (720 Vdc)
• Isolated Analog to Inputs: 500 Vac   (720 Vdc)
ADDITIONAL INFORMATION:
FCC: This device complies with Part 15, Subpart B, Class B of the FCC rules, for option –EIP only.
RoHS II: The above product has been declared by the original supplier as Compliant. The manufacturer of this item declares that the product complies with the EEE RoHS II Directive 2011/65/EC.
UL File Number: E209855

MAINTENANCE

These are the maintenance procedures required to keep the Benchtop Digital Controller in optimal performance.
6.1 Cleaning
Lightly dampen a soft clean cloth with a mild cleaning solution and gently clean the Benchtop Digital Controller.
Remove all electrical connections and power before attempting any maintenance or cleaning.
Do not insert any foreign objects into the Benchtop Digital Controller.
6.2 Calibration
This unit is calibrated to give optimum performance over its full operating range. Additional user calibration is available with adjustable gain and offset as well as ice point calibration. Refer to the Platinum Series User’s Manual (M5451) for additional information on user calibration options. Optional NIST traceable calibration is available. Please contact Customer Service to enquire.
6.3 Fuse Specifications and Replacement
Disconnect all power from source before attempting fuse replacement. For continued protection against the risk of fire, replace fuses with only the same size, type, rating and safety approvals indicated here and on the rear panel of your unit.

**Fuse***

|

Type

---|---
F1| 0.1A 250V, 5x20mm, Fast Acting
F2| 3.15A 250V, 5x20mm, Fast Acting
F3| 5.0A 250V, 5x20mm, Fast Acting

*Use only UL/CSA/VDE Approved Fuses.

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not limited to contact points, fuses, and triacs.
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of OMEGA with respect to this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the purchase price of the component upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages.
CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical applications or used on humans. Should any Product(s) be used in or with any nuclear installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product(s) in such a manner.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.
BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent breakage in transit.
FOR WARRANTY RETURNS, please have the following information available BEFORE contacting
OMEGA:

1. Purchase Order number under which the product was PURCHASED,
2. Model and serial number of the product under warranty, and
3. Repair instructions and/or specific problems relative to the product.

FOR NON-WARRANTY REPAIRS, consult OMEGA for current repair charges. Have the following information available BEFORE contacting OMEGA:

1. Purchase Order number to cover the COST of the repair,
2. Model and serial number of the product, and
3. Repair instructions and/or specific problems relative to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in technology and engineering.
OMEGA is a trademark of OMEGA ENGINEERING, INC.
© Copyright 2019 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior written consent of OMEGA ENGINEERING, INC.
Where Do I Find Everything I Need for Process Measurement and Control?
OMEGA…Of Course!
Shop online atomega.com
TEMPERATURE
Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies
Wire: Thermocouple, RTD & Thermistor
Calibrators & Ice Point References
Recorders, Controllers & Process Monitors
Infrared Pyrometers
PRESSURE, STRAIN AND FORCE
Transducers & Strain Gages
Load Cells & Pressure Gages
Displacement Transducers
Instrumentation & Accessories
FLOW/LEVEL
Rotameters, Gas Mass Flowmeters & Flow Computers
Air Velocity Indicators
Turbine/Paddlewheel Systems
Totalizers & Batch Controllers
pH/CONDUCTIVITY
pH Electrodes, Testers & Accessories
Benchtop/Laboratory Meters
Controllers, Calibrators, Simulators & Pumps
Industrial pH & Conductivity Equipment
DATA ACQUISITION
Communications-Based Acquisition Systems
Data Logging Systems
Wireless Sensors, Transmitters, & Receivers
Signal Conditioners
Data Acquisition Software
HEATERS
Heating Cable
Cartridge & Strip Heaters
Immersion & Band Heaters
Flexible Heaters
Laboratory Heaters
ENVIRONMENTAL
MONITORING AND CONTROL
Metering & Control Instrumentation
Refractometers
Pumps & Tubing
Air, Soil & Water Monitors
Industrial Water & Wastewater Treatment
pH, Conductivity & Dissolved Oxygen Instruments

MQS5541/0922
omega.com
info@omega.com
Omega Engineering, Inc:
800 Connecticut Ave. Suite 5N01, Norwalk, CT 06854, USA
Toll-Free: 1-800-826-6342 (USA & Canada only)
Customer Service: 1-800-622-2378 (USA & Canada only)
Engineering Service: 1-800-872-9436 (USA & Canada only)
Tel: 203-359-1660
e-mail: info@omega.com
Fax: 203-359-7700
Omega Engineering, Limited:
1 Omega Drive, Northbank,
Irlam Manchester M44 5BD
United Kingdom
Omega Engineering, GmbH:
Daimlerstrasse 26 75392
Deckenpfronn Germany
The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it
contains, and reserves the right to alter specifications without notice.

References

• Omega Engineering | Sensing, Monitoring and Control Solutions
• Pid Controllers | Controllers | Control Monitoring

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