Brand
A/D Conversion	Dual Slope
Accuracy	± 0.5 °C (± 0.9 °F)
Accuracy Note	Accuracy @ 25°C: ± 0.5°C temp nominal; 0.03% rdg ± 0.03% range process and strain
Additional Features 1	Programmable 3 Color Display
Analog Current	0 to 20 mA (500 Ω maximum)
Approvals	UL, C-UL, UKCA, CE per EN61010- 1:2001, F
CMRR	120 dB
Cold Junction Compensation	50 ppm/°C
Control Characteristics	Control Action: Reverse (heat) or direct (cool) Rate: 0 to 399.9 s Reset: 0 to 3999 s Cycle Time: 1 to 199 s; set to 0 for on/off Gain: 0.5 to 100% of span; setpoints 1 or 2 Damping: 0000 to 0008 Soak: 00.00 to 99.59 (HH:MM), or OFF
Control Mode	PID Control, On-off control
Control Output	SSR Relay, SPDT Relay
Current, Max	0 to 20 mA (5 Ω load)
Cutout Dimensions	45 x 92 mm
Data Interface	None
Decimal Selection	0,001, 0,01, 0,1, None
Digital Filter	Programmable
Display Size	46 mm (1.8 in)
Display Type	4 Digit LED
Display Type Note	4-digit 9-segment LED 10.2 mm (0.40"); i32, i16, i16D, i8DV 21 mm (0.83"); i8 10.2 mm (0.40") and 21 mm (0.83"); i8DH RED, GREEN, and AMBER programmable colors for process variable, setpoint and temperature units
Electrical Connection	Screw Terminal
Enclosure Ratings	NEMA Type 1
Form factor	1/8 DIN Horizontal
Height	48 mm
Impedance Input	10 MΩ for 100 mV; 1 MΩ for 1V or 10 Vdc
Input Configuration	Single-ended
Input Type	Thermocouple, RTD, mA, Voltage
Input Voltage	0 to 100 mV, 0 to 1 Vdc, 0 to 10 Vdc
Isolated Analog Voltage	0 to 10 Vdc (max 20 mA)
Isolation	Isolation Power to Input/Output: 2300 Vac per 1 minute test For Low Voltage Power Option: 1500 Vac per 1 minute test Power to Relay/SSR Output: 2300 Vac per 1 minute test Relay/SSR to Relay/SSR Output: 2300 Vac per 1 minute test RS232/485 to Input/Output: 500 Vac per 1 minute test
Length	127 mm
Linearization Points	None
Measurement Type	Current, Strain, Voltage
NMRR	60 dB
Number of Control Outputs	2
Number of Inputs	1
Offset Adjustment	-1999 to 9999
Output Detail	Solid State Relay/0.5A at 120/240 Volts continuous, Solid State Relay/0.5A at 120/240 Volts continuous;Control Output 1 and 2 Relay: 250 Vac or 30 Vdc @ 3 A (resistive load); configurable for on/off, PID and ramp and soak Output 1: SPDT, can be configured as alarm 1 output Output 2: SPDT, can be configured as alarm 2 output SSR: 20 to 265 Vac @ 0.05 to 0.5 A (resistive load); continuous DC Pulse: Non-isolated; 10 Vdc @ 20 mA Analog Output (Output 1 Only): Non-isolated, proportional 0 to 10 Vdc or 0 to 20 mA; 500 52 max Output 3 Retransmission Isolated Analog Voltage and Current Current: 10 V max @ 20 mA output Voltage: 20 mA max for 0 to 10 V output
Output Signal	None
Polarity	Unipolar
RTD Type	100/500/1000Ω Pt sensor; 2-, 3- or 4-wire; α=0.00385 or 0.00392
Ramp Setpoint	Ramp to Setpoint: 00.00 to 99.59 (HH:MM), or OFF
Ramp and Soak	Single Ramp & Soak
Remote Setpoint	None
Resolution	1°/0.1°; 10 µV process
Sampling Rate	3 Hz (3 updates/second)
Set Point Adjustment	Menu Configurable
Span Adjustment	0.001 to 9999 counts
Step Response	0.7 sec for 99.9%
Supply Power Note	90 to 240 Vac ± 10%, 50 to 400 Hz*, 110 to 375 Vdc, equivalent voltage; Excitation Voltage Note-24 Vdc @ 25 mA (not available for low-power option)
Supply Power Type	AC
Supply Voltage	90 to 240 Vac
Temperature Stability	Temperature Stability: RTD: 0.04°C/°C; TC @ 25°C (77°F): 0.05°C/°C ; Cold Junction Compensation Process: 50 ppm/°C
Thermocouple Lead Resistance, Max	100 Ω
Thermocouple Type	J, K, T, E, R, S, B, C, N, L (J DIN)
Tuning	Autotune
Weight	295 g
Width	96 mm
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Accessories

CNI-CB120SB-K

Microprocessor-based Controller Self container Temperature controller

$1,023.57

1 In Stock

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Reviews

Show Ratings & Reviews

3.9

(13)

Rated 1 out of 5 by George24 from Very compicated setup **Review of the CNi3253-DC Temperature Controller** I recently purchased the CNi3253-DC temperature controller for use with geophysical equipment, but my experience has been far from satisfactory. The device itself has potential, but its functionality is severely hampered by a combination of a complicated setup process and inadequate documentation. **Setup Challenges:** From the outset, configuring the CNi3253-DC proved to be a frustrating endeavor. The setup process is far from intuitive, and despite following the manual as closely as possible, I encountered numerous hurdles. The menus are convoluted, and the instructions provided do not align well with the actual options available on the controller. This discrepancy between the manual and the device’s menu options is a major issue, making it difficult to configure the controller correctly. Also I was unable to find how to reset the controller to factory defaults. **Documentation Issues:** The manuals available for the CNi3253-DC are, frankly, disappointing. They are poorly written and lack essential details. Many of the menu options are either described inadequately or not mentioned at all. This oversight leaves users like myself guessing about the functionality of certain features and how to use them effectively. The lack of clear, comprehensive documentation significantly impairs the usability of the controller. **Performance Concerns:** Despite my efforts to get the controller working, I have yet to achieve satisfactory performance. The misalignment between the described functions and the actual options means that I cannot reliably control or monitor the temperature as needed for my geophysical equipment. This has led to operational delays and has compromised the effectiveness of my setup. **Conclusion:** Overall, the CNi3253-DC temperature controller falls short of expectations due to its complex setup process and inadequate documentation. If you’re considering this controller, be prepared for a steep learning curve and significant frustration. The potential of the device is overshadowed by its usability issues, and unless improvements are made to the user manual and interface, I would recommend exploring alternative options for temperature control in critical applications.

Date published: 2024-07-27

Rated 2 out of 5 by Theman from MORE BUTTONS LABELED The unit needs more controls and they need to be labeled clearly in writing not stupid tiny symbols. Works good but it should not be so difficult to set up.

Date published: 2020-10-23

Rated 5 out of 5 by Maiser Maarouf from sales engineer excellent service and very professional, i do recommended for other industries

Date published: 2024-11-30

Rated 3 out of 5 by Scott M from I wish returns were easier The products work great and as expected. But we received one part that was the incorrect part; which is understandable, it happens, no big deal. But getting Omega to process a return and more importantly get us the correct part replaced was not as easy as we would have liked.

Date published: 2024-04-04

Rated 5 out of 5 by Dano1 from Great little meter Great little meter and can handle years of dust and abuse!

Date published: 2023-08-30

Rated 5 out of 5 by JT D from CNi3244-C24 controller Fantastic controller. Very long lasting. Purchased several more of these for our needs.

Date published: 2023-06-07

Rated 5 out of 5 by Will Lindsay from Good service Provided the customer with what they needed at fair prices and with prompt service.

Date published: 2023-05-19

Rated 4 out of 5 by None1 from Great product to replace CN77 series units We used this to replace CN77 series units. Same form factor. Very similar communication protocol. One downside for us is that APOn function is missing for Alarm 2 which we have to use for our application. The other downside of course is the price ...

Date published: 2022-09-08

i-Series Temperature, Process and Strain Controllers Reviews - page 2