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SC31 Wireless Thermistor Sensor

In-situ Temperature

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Price: $159.00
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The multichannel SC31 wireless thermistor sensor accepts inputs and provides signal conditioning for two external Thermistors. The unit can handle up to two inputs and has fully upgradeable firmware. Any thermistor probe from 3k to 100k is usable with the SC31, and is calibrated completely during the software setup.

The SC31 wireless 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.

User manual

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
  • Accepts any probes ranging from 3k to 100k
  • 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 (GWx series). Add sensors as needed with scalable system and gateways capable of handling hundreds of sensors at a single location

Compatable external sensors

MeasurementExternal 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

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


Model NumberSC31
Measurement ChannelsTemperature, 2 Channels
SensorExternal Thermistor
Measurement Range-60 to 155°C (-76 to 311°F)
UnitsC, °F
Sample Rate10 Hz to 32 Hrs
Sensor Response Time (90%)1s
Resolution0.01°C (0.02°F)
Calibrated Accuracy±0.1°C (±0.3°F )
Digital I/O ChannelsN/A
Temporary Sensor Memory1000 data points
Long -term Memory (using Gateway):Up to 120 billion data points
LED IndicatorGreen, power and programming indicator
Required Interface PackageGateway (GWx series)
Wireless Data SecurityAES-256 Encryption
Radio Power250mW
RF Carrier Frequency902-928 MHz
RF Transmit Data RateAuto-adjusting 32-196kbps
Hopping Channels25
Transmit Power+20dBm
Receiver Sensitivity-110dBm typical
Range (Line of sight)Up to 1700’ (0.3 Miles)
Range (Typical indoors)Up to 150'
Power RequirementsBattery operated - Std 2 AAA
Typical Battery Life7-10 years
Enclosure MaterialRuggedized polycarbonate plastic
Upgradable FirmwareYes
Operating Environment-40~+85°C (-40~+185°F); 0~95%RH non-condensing using optional lithium batteries (supplied alkaline batteries -15~+55°C)
Dimensions70x45x22 (mm) (2.76" x 1.77" x 1.73")
Weight5oz. with batteries
ApprovalsUS(FCC), CA(IC)
WarrantyOne (1) year parts and service