#  TC-XX-SR-54 Temperature Controller

![](/thermal-wizard/images/tc/SR-54/SR-54-large.png)The TC-XX-SR-54 temperature controller is a microcontroller based device that can be incorporated into a thermoelectric assembly (TEA) to add integrated temperature control. The TC-XX-SR-54 is a bi-polar temperature controller for cooling/heating of thermoelectric assemblies requiring precise temperature control accuracy. The TC-XX-SR-54 has 3 programmable fan outputs, alarm output relay, alarm condition LEDs. The parameters will be programmed at the factory according to your specifications, however MOQ applies.

## Features

- Operation in Cooling and Heating Modes
- Regulation mode is ON/OFF, PID, Power
- Input power range can accommodate 16 to 60 VDC, nominally 24 to 48 VDC
- Preprogrammed set points
- Contacts are available for fans, thermoelectric modules, NTC thermistor sensor, overheating thermostat switch, alarms; some features sold on custom configurations only
- USB communication interface
- Standalone operation
- Control temperature, from -20°C to +100°C (-4°F to 212°F) with the standard NTC sensor
- Temperature resolution of max 0.13°C (-10°C to 50°C)
- Use with NTC sensors only
- Pulse width modulation of output: (Base frequency of 8 kHz)
- Three alarm temperature sensor inputs with adjustable alarm set points
- Alarm relay output, normally closed (will open on alarm): 1A at 125VAC/110VDC
- Adjustable fan speed
- Tachometer sensor inputs provided to measure the speed of one external and two internal fans
- Overheating thermostat switch input available to sense an over temperature condition that will turn off power to TEA/fans and microcontroller; a thermostat is required for operation
- Alarm LED outputs available indicate type of failure

## Specifications:

**Applications**

Refrigeration, Temperature Stabilization, Heating Programmable Alarm Features

**Industries**

Medical Diagnostics, Analytical Instrumentation, Telecom, Cabinets, Industrial Scientific Instrumentation

**Dimensions L x W x H**

148 x 48 x 48 mm (5.83 x 1.89 x 1.89 in)

**Temperature Range**

Control temperature from -20°C to +100°C

**Accuracy**

±0.5°C

**Voltage (Maximum)**

60 VDC

**Voltage (Minimum)**

16 VDC

**Current (Maximum)**

15 A

**Datasheets**

[SR-54-datasheet.pdf](/thermal-wizard/images/tc/SR-54/SR-54-datasheet.pdf)

**Documentation**

[User Manual](/resources/user-manuals/tc-xx-sr-54-user-manual)

**Original URL:** https://tark-solutions.com/cn/products/product-temperature-controllers/tc-xx-sr-54-temperature-controller