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Sensaphone WSG30 Wireless Temperature Sensor


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WARNING: Cancer and Reproductive Harm –


Remotely Monitor Indoor Air Temperatures

Monitor indoor air temperatures ranging from 32° to 122°F (0° to 50°C) with the Sensaphone WSG30 Wireless Temperature Sensor. This wireless sensor works with the Sensaphone WSG30 Wireless Sensor Gateway (sold separately), allowing you to remotely check on the temperature of an indoor area and receive alerts from anywhere you have internet access.

  • Senses indoor air temperatures from 32° to 122°F (0° to 50°C)
  • Accurate temperature reporting to ± 1°F (0.56°C)
  • Compatible with the WSG30 Wireless Sensor Gateway
  • Wireless range up to 300 feet (90m) indoors
  • Battery-powered with option to use plug-in power supply

This sensor is not designed for installation in a dirty, humid, or corrosive environment. If desired, you can remove the internal temperature element and attach a remote temperature probe (not included) so that measurements can be made in a refrigerator, freezer, or other harsh environment.

Installation Details

The sensor comes with screws and drywall anchors for mounting to a flat surface. It also includes two AA alkaline batteries to provide wireless power for up to two years. An optional plug-in 5VDC power supply (sold separately) can be used to reserve the batteries for backup power in case of a power outage.

The WSG30 series of wireless sensors have a standard wireless range of 300 feet from the Gateway. However, they also feature mesh networking technology, which allows each sensor to be used as either a wireless sensor/router or as a low-power battery operated sensor (also referred to as an end point). When used as a router, greater wireless ranges can be achieved, because each sensor/router in the network adds another 300 feet of range to the system.


  • Wireless Temperature Sensor
  • (2) AA Alkaline Batteries
  • #6 Metal Tapping Screws
  • Plastic Drywall Anchors

NOTE: Requires connection to the Sensaphone WSG30 Wireless Sensor Gateway, sold separately. Not designed for installation in a dirty, humid, or corrosive environment.

IMPORTANT NOTE: This Sensaphone product is not available to ship outside the U.S.

Sensaphone Remote Monitoring Solutions

Unexpected events happen. But Sensaphone remote monitoring systems are on alert full time to notify you of threatening conditions, so you can respond quickly and prevent costly damages and disruptive downtime. From wireless capabilities to ultra-low temperature tolerant systems, you'll find the right Sensaphone for your monitoring needs. Start protecting your investments today.


  • Manufacturer Part #: FGD-WSG30-TMP
  • Name: Room Temperature Sensor
  • Power: 2 AA alkaline batteries (included); optional 5VDC (300mA) plug-in adapter (not included)
  • Battery Life: 2 Years
  • Sensor Type: 2.8K thermistor
  • Sensor Monitoring Temperature Range: 32° to 122°F (0° to 50°C)
  • External Probe Monitoring Temperature Range: -20° to 122°F (-28° to 50°C) - external probe not included
  • Accuracy: ± 1°F (± 0.56°C)
  • Sensor Operating Temperature Range: 32° to 122°F (0° to 50°C)
  • Sensor Operating Humidity: 5 to 90 percent RH non-condensing
  • Wireless Range: 300 feet (90m) indoors
  • Connection: Wireless
  • Operating Frequency: ISM 2.4 GHz
  • Transmit Power Output: 100mW (20dBm)
  • Housing: White Plastic
  • Dimensions: 3.1 x 3.9 x 1.1 inches (79 x 99 x 28mm)
  • Sensor Series: WSG Wireless
  • Warranty: 1 Year