Wireless Alert Temperature Probe


Wireless Alert TP is a battery-powered temperature sensor that sends a warning email if a user-set level is reached. Simply select your temperature limits and connect to any WiFi network using the Wireless Alert mobile app.


The Wireless Alert TP can be set up to monitor temperature limits in a variety of applications. High and low temperature limits are user-configurable between -40 and 125°C (-40 and 257°F). The device will trigger a notification email, sent to a user-selected address, if the temperature limits are breached and when the temperature returns to within those limits. In addition to this, the device can send a scheduled summary email detailing minimum, maximum and average temperature, as well as battery level, number of alerts, and total time spent in alert mode.

Wireless Alert Temperature Probe

  • -40°C to 125°C temperature probe with 1.5m cable
  • User-configurable high and low temperature limits
  • Sends email alerts and scheduled status reports
  • Flashing alert indicator
  • WiFi connected
  • Simple to set up using the free mobile app
  • Two years’ battery life*
  • No ongoing subscription fees
  • Includes sticky pad for wall mounting

Technical Specification

Minimum Typical Maximum
Range -40°C (-40°F) 125°C (257°F)
Operating Temperature -18°C, (-0°F) 55°C (131°F)
Resolution 1°C, (1°F)
Accuracy ±1 (-40 to +80°C)
(± (-40 to +176°F))
Environmental Conditions Device: indoor use only (IP5X), Probe: waterproof (IP67)
Probe Length 1.5m
Product Dimensions (excluding probe) 69mm x 32mm x 22mm (2.7in x 1.3in x 0.9in)
Battery Type 2 x 1.5V Alkaline LR03/UM4/AAA
Battery Life 2 years (Battery life is dependent on: signal strength between router/access point and Wireless Alert device, presence, volume and type of WiFi traffic from other devices, operating temperature and number of Alerts sent.)
WiFi WPA 802.11bgn (2.4GHz)

Calibration Options

A calibration service can be purchased for this unit. Once the Service has been performed a certificate of calibration is produced and dispatched with your order. Calibration Services are performed on receipt of your order and as such will delay shipping. Details and options are outlined below.

Traceable Calibration (Probe) Price
Issued at 4 points: 25, 50, 75, & 100°C
Additional points: From -20 to 140°C
£5.00 per point

Traceable certification is adequate for most applications and meets the calibration requirements of ISO 9001. All measurements contained in this type of certification are traceable back to National UKAS Standards.

UKAS Calibration (Probe) Price
Issued at 4 points: 25, 50, 75, & 100°C
Additional points: From -20 to 255°C
£10.00 per point

A UKAS calibration can also be considered traceable. The difference between the two is that UKAS calibrations are carried out under the remit of an ISO/IEC 17025 quality system by a laboratory that has been accredited by UKAS, to ensure the consistency and accuracy of results.

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