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Universal High Accuracy Digital Benchtop PID Controller with USB

Platinum Series Universal Benchtop PID Controllers


Item# CS8DPT

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 C$1,150.25
10-24 C$1,092.74
25-49 C$1,035.23
50-99 C$977.71
100-499 C$920.20
500+ C$862.69

In stock

Lead Time (If not in stock): 6 weeks
Platinum Series Universal Benchtop PID Controllers CS8DPT CS8DPT
  • UL and cUL Certified
  • Universal Inputs: Thermocouple, RTD, Thermistor, Process Voltage/Current, and Strain
  • Simple to Configure and Use
  • Standard USB with Optional RS232/485 and Ethernet Communications

CS8DPT Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Control Outputs
Display Type
Measurement Type
Form Factor
Number Of Inputs
Input Type
Supply Voltage Type
Ramp And Soak
Output Type

Power cord is not included, please see the accessories tab to purchase the appropriate cord for your region.

The OMEGA™ CS8DPT/CS8EPT is a portable benchtop digital controller and with a large color-changing display. This benchtop controller features 4 Digit dual LED or 6 Digit displays that can be programmed to change color between Green, Amber, and Red at any setpoint or alarm point. Other options include, serial communications, and Ethernet.

This universal temperature and process instrument handles 10 common types of thermocouples, multiple RTDs,thermistors and several process (DC) voltage & current ranges, and strain type of inputs.

Accuracy: See table on Spec Sheet for details
Resolution: 1°/0.1°; 10 µV process
Temperature Stability:
    RTD: 0.04°C/°C
    Thermocouple: 25°C (77°F); coldjunction compensation of 0.05°C/°C
    Process: 50 ppm/°C
CMRR: 120 dB
A/D Conversion: Dual-slope
Reading Rate: 20 samples per second
Digital Filter: Programmable
Display: 4-digit or 6-digit, 9-segment LED; Red, Green, and Amber, and programmable colors for process variable, setpoint and temperature units
Input Types: Thermocouple, RTD, thermistor, analog voltage, analog current and strain
Thermocouple Type (ITS 90): J, K, T, E, R, S, B, C, N, L
RTD Input (ITS 68): 100/500/1000 Ohm Pt sensor; 2-, 3- or 4-wire; 0.00385 or 0.00392 curve
Thermistor Input: 2252 Ohm, 5K Ohm, 10K Ohm
Voltage Input: 0 to 100 mV, 0 to 1 Vdc, 0 to 10 Vdc
Input Impedance: 10 MO for 100 mV, 1 MO for 1 or 10 Vdc
Current Input: 0 to 20 mA (5 O load)
Strain Input: 0 to 50, 0 to 100 mV
Configuration: Differential
Polarity: Bipolar
Decimal Selection: None or 0.1 for temperature; None, 0.1, 0.01 or 0.001 for process
Control Output: 5A SSR (internal), 3A relay max, analog process output
Excitation: Firmware selectable to 5, 10, 12, and 24Vdc @ 25mA
Network and Communications
Ethernet: Standards compliance IEEE 802.3 10 Base-T
Supported Protocols: TCP/IP, ARP
RS232/RS485: Selectable from menu; both ASCII and Modbus protocol selectable from menu; programmable 1200 to 115K baud; complete programmable setup capability; program to transmit current display, alarm status, min/max, actual measured input value and status
Connection: USB, Ethernet (option), Series (option)
Power: 90 to 240 Vac, 50 to 60 Hz
Dimensions: 236W x 230D x 108mmH (9.3'x9.1'x4.3')
Weight:1.13kg (2.5lb)

Embedded Internet
This OMEGA benchtop devices can serve Web pages over an Ethernet LAN or even over the Internet, making it possible to monitor and control a process through a Web browser (such as Microsoft Internet Explorer®) from anywhere in the facility or anywhere in the world.

Remote Control
For example, using an CS8DPt Series temperature controller to control a heater, an engineer can monitor the temperature, change setpoints or alarm points, turn the heater on and off, or make other modifications from anywhere on the local network or anywhere on the Internet. The Web pages are easily customized, and secure, password protected access to the devices is easily controlled. And it requires absolutely no special software on the engineer’s computer to view the data and “supervise” the controller— nothing other than a Web browser.

E-Mail and Alarm
In fact, the Cs8DPt controller can even send an e-mail to the engineer (or anyone he or she chooses) about an alarm condition or to update the status. Leveraging the technology of the Internet, the engineer could receive a message from the controller on an Internet-enabled pager or cell phone.

Most remarkable is that all this can be accomplished without a computer. The OMEGA™ CS8DPt controller with fully loaded communication options connects directly to the Ethernet network—not to the serial port of a computer functioning as a “server” and “master” to “slave” instruments connected through serial communications. With the loaded C24 option, these devices are also available with RS232 and RS485, and MODBUS serial communications.

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Rated 4 out of 5 by from Great Product - Weak Documentation Overall, I'm happy with the instrument. However, the learning curve is steep and I think very difficult if you were to attempt to use this equipment without the Platinum Monitor software. It is here where the documentation is quite weak. If I did not use the software it is doubtful I would have ever been able to get have gotten this controller to work correctly. Even with the software it took me a couple hours to get the controller working well for the mechanical on/off relay output and another couple hours with the PID solid state relay output. The takeaway is the documentation leaves a lot to be desired. First, the manual that accompanies the controller barely mentions the Platinum Monitor software. In my opinion, it should be required and this is coming from someone who has used CN76000 temperature controllers with no client software for many years. The reason for this is the CN76000 documentation is excellent. One other gripe is the USB interface uses a USB-A to USB-A connector in order to connect it to a PC running the Platinum Monitor software. That is a very uncommon cable which I had to order. This cable should have shipped with the unit.
Date published: 2021-01-11
Rated 1 out of 5 by from Can't get it to work The unit came 3 months late. The manual as someone pointed out is very confusing. When I complained about the manual I was given a CNPT manual as that is slightly more detailed. However, I cannot get this to work for past 3 months now. The response from the technical team takes about 2-3 days at the earliest and weeks if I do not contact again. They respond by giving clue for one small thing that we would have already tried. One can only leave voice message to technical team. The system powers, but when the program is run it keeps giving a message either OPEN or RANGE, none of these options are given in the manual as error or what to do in this case. There are projects and deliverables that are hurting and I cannot seem to get someone to call me and walk me through the unit. It seems they are relying on prior knowledge of the users who have experience with Omega controllers. I downloaded the software but it cannot recognize that the unit is connected. I was told to check whether the firewall is blocking the recognition but that is not the case. I am unsure how long will I have to wait to get this to work.
Date published: 2023-05-17
Rated 5 out of 5 by from Easy to use, works well Purchased this unit and it's predecessor. They're really easy to use and work well to control the 4 Amp cartridge heaters we're using in the lab. We used the auto tune PID feature, which took about 5 minutes. The user interface is a bit confusing, until you read the manual.
Date published: 2017-04-14
Rated 1 out of 5 by from Unit came 3 months late and it will not power up I ordered this unit back in November and got it end of March. When it finally came, it did not power up. Upon taking with technical support they were not able to find the problem so the unit needs to be returned to be repaired or exchanged, maybe in another 3 months. I am VERY dissapointed.
Date published: 2019-04-01
Rated 4 out of 5 by from Good Unit. Much Bigger Than Expected This controller is a definite improvement over its predecessors. We have several CSC32s, and CSi32s in our lab, and this controller is much better. The software is much better than expected, and I definitely prefer using this controller for synthesis. The only issue is the size. This unit is monstrous compared to its predecessors. We use our controllers in fume hoods to control heating mantles, and this unit has to live outside the hood because of space constraints. If they could make this unit in the same form factor as the old units, it would have 5 stars easy.
Date published: 2018-05-24
Rated 1 out of 5 by from Poorly implemented power When turned on, this unit produces large amounts of radiated electronic noise (from the built in power supply on the internal controller) that interferes with nearby electronic equipment and devices on the same power circuit, it also causes unstable temperature readings. The USB and/or TC inputs do not appear to be properly isolated, as connecting these produce DC shifts in the temperature measurements. Replaced the controller with one with a (properly isolated) external 24v supply and the problem went away, but am left with an $800 controller I can't use.
Date published: 2024-06-06
Rated 5 out of 5 by from Purchased for electrochemistry at temperature Excellent instrument, only issue I have is with the software, records time and temperature of the probe without an AM / PM indicator. Had to write a script to convert to military time.
Date published: 2022-01-26
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I would like to purchase the 10 pin plug connector for model CS8DPT controller Can you please advise???

Asked by: PH122
Hi, The part number for the 10 pin connector is CNi-10PIN-CONN.
Answered by: Engineer9
Date published: 2020-01-31

A way to set max temperature threshold? Once heater is turned on it heats well beyond to the set temperature in SP1 (no change in SP2). Is there a way to set a maximum to prevent this?

Asked by: R and D engineer
Thank you for your inquiry. You must program the MODE from ON.OF to PID.
Answered by: Application Engineer CB
Date published: 2024-07-09

What does the error E006 mean?

Asked by: User01
This is for the Loop break error; Select the loop break (LPbk) parameter. When enabled, this parameter specifies the amount of time in Run Mode without a change in input value that would signify a sensor malfunction. For example, if there were a problem in a thermocouple, the input would not change over time. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2024-04-23

Ordered (8) with ENET to network over Modbus. Many issues. 1.) Quality - Had to open (3) of them & reconnect cables that have come loose. 2.) Found Config for Modbus can only be done over USB - Weblink only sets IP. 3.) COMM drops. Need help here.

Asked by: Jeff78
Thank you for your inquiry. The Configurator software was designed for automatic use via USB but will work via Ethernet if you do some setting changes. Please contact us directly so we may assist you in more detail
Answered by: application engineer je
Date published: 2020-05-11

How can I connect the controller to an AC variable power supply? Do i need to modify the internal connections?

Asked by: CCarlos
Hi CCarlos, Thank you for the inquiry. Outputs are not compatible with most variable AC supplies. Please forward your request to TEMP@OMEGA.COM. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2023-03-24

I have purchased five benchtop controllers CS8DPT-C24-EIP-A. All of them are 5-9 degC out when connected to RTD PR-11-2-100-1/8-6-E. Are they need to be calibrated separately? What are calibration options? are Controller/RTD need to calibrate in pair?

Asked by: nghige
Thank you for your inquiry. Please contact our Temperature Department or email your questions to
Answered by: Application Engineer JB
Date published: 2020-12-02

Is it possible to order the Platinum series Benchtop digital Temperature controller with a 10A SSR output?

Asked by: Redbaron
Thank you for your inquiry. This controller can only come with a 5A SSR.
Answered by: Application Engineer CB
Date published: 2024-01-30

I am unable to configure the CS8DPT TCP Modbus port via weblink. Weblink prompts for password. Please Email me the password for the weblink. Thanks

Asked by: Ganesh
Hi Ganesh, Please use following passwords; log in password 12345678 , Admin password 00000000 Best regards OMEGA
Answered by: AENorwalk
Date published: 2020-03-12
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