Temperature and RH alarm

 • Relative Humidity range is 25 to 90%

 • Resolution is 1% RH

 • Accuracy is ±2% RH mid-range and ±4% elsewhere

 • Temperature range is -4 to 140°F and -20 to 60°C

 • Resolution is 0.1°

 • Accuracy is ±1°C

Radio signal transmits on a frequency of 433 MHz. Signal range is 65 to 100 feet, depending on the location or number of walls.
Main unit size is 4¹/₄” x 4¹/₂” x ³/₄” and weight is 6 ounces. Supplied remote sensor module may be set to channel 1, 2 or 3. A total of three modules may be used with the main unit. Module size is 2¹/₃” x 3¹/₂” x ³/₄” and weight is 3 ounces.
Units are provided with an individually serial numbered Traceable certificate from an ISO 17025 calibration laboratory accredited by A2LA. Certificate indicates traceability to standards provided by NIST.