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SC31 Wireless External Thermistor Sensor

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sc31  sc31 

The multichannel SC31 Wireless Sensor accepts inputs and provides signal conditioning for external Thermistors. The unit can handle up to 2 inputs and has fully upgradeable firmware.

The SC31 with Thermistors temperature sensors are used in a broad range of industrial process applications in the automotive, food handling and processing, medical/pharmaceutical, petrochemical and agricultural industries among others. Typical applications include monitoring temperature in refrigeration, HVAC, storage facilities, museum monitoring, environmental studies and a broad range of additional process monitoring and verification.

Remote email or text (SMS) alarms can also be enabled with our HaloCloud service.



What's Included:

  • SC31 wireless thermistor sensor
  • 2 AAA batteries (installed)


  • Secure reliable wireless transmission of Thermistor temperature data
  • Multichannel design with 2 thermistor inputs and signal conditioning
  • Low power design - Battery powered sensor provides installation location flexibility
  • Unmatched battery life expectancy – 7-10 years
  • Compact size convenient for easy installation
  • Industry leading data storage – up to 120 Billion points
  • Powerful DataRecorder software included to chart, log, monitor all individual sensors
  • HaloCloud service for access to remote sensor data and configuration from anywhere including from Tablets, Smart Phones, Remote PCs
  • Programmable individual sensor alarm set points and alarm notification via email or Text message with HaloCloud service
  • Complete setup requires one System Gateway, Model GW2 or GW3. Add sensors as needed with scalable system and gateways capable of handling hundreds of sensors at a single location

Application Examples:

  • Food Storage Facilities
  • Refrigeration Systems
  • Ovens and Furnaces
  • Warehouse Facilities
  • HVAC Systems
  • Industrial Process Monitoring
  • Buildings and Facilities management
  • Environmental Data Acquisition and Studies
  • Automotive
  • Medical /Pharmaceutical
  • Broad range of process monitoring and verification with Thermistors

Compatable External Sensors:

Measurement External sensor
Flanged Metal Probe, 10K, Range -40 to 105C, cable 12" TR10-12M
Epoxy Encapsulation, 10K, Range -40 to 80C, cable 15" TR10-15E
Metal Probe, 10K, Range -40 to 80C, cable 50" TR10-48M

Model Number SC31
Measurement Channels Temperature, 2 Channels
Sensor External Thermistor
Measurement Range -60 to 155°C (-76 to 311°F)
Units C, °F
Sample Rate 10 Hz to 32 Hrs
Sensor Response Time (90%) 1s
Resolution 0.01°C (0.02°F)
Calibrated Accuracy ±0.1°C (±0.3°F )
Digital I/O Channels N/A
Temporary Sensor Memory 1000 data points
Long -term Memory (using Gateway): Up to 120 billion data points
LED Indicator Green, power and programming indicator
Required Interface Package Gateway GW2 or GW3
Wireless Data Security AES-256 Encryption
Radio Power 250mW
RF Carrier Frequency 902-928 MHz
RF Transmit Data Rate Auto-adjusting 32-196kbps
Hopping Channels 25
Modulation GFSK
Transmit Power 20dBm
Receiver Sensitivity -110dBm typical
Range (Line of sight) Up to 1700’ (0.3 Miles)
Range (Typical indoors) Up to 150'
Power Requirements Battery operated - Std 2 AAA
Typical Battery Life 7-10 years
Enclosure Material Ruggedized polycarbonate plastic
Upgradable Firmware Yes
Indoor/Outdoor Outdoor
Operating Environment -40~ 85°C (-40~ 185°F); 0~95%RH non-condensing using optional lithium batteries (supplied alkaline batteries -15~ 55°C)
Dimensions 70x45x22 (mm) (2.76" x 1.77" x 1.73")
Weight 5oz. with batteries
Approvals US(FCC), CA(IC)
Warranty One (1) year parts and service
Order Online:

USA Office

Address: 1480 Gulf Road, Suite 837,
PO Box 1364
Point Roberts, WA 98281

Western Canada - Vancouver BC

Tel:1.800.663.6001 or 1.604.925.6150
Address: 2454 Haywood Ave
West Vancouver, BC V7V 1Y1

Eastern Canada - Markham, Ontario

Tel:1.800.465.0164 or 1.905.513.7027