The RHTemp1000IS is an intrinsically safe, humidity and temperature data logger. Includes ISO17025 accredited calibration certificate. Read More >

Key Features:

  • Compact Size
  • Intrinsically Safe
  • Measures Temperatures from -40 °C to 80 °C



The RHTemp1000IS is a compact, humidity and temperature logger that is SGS approved as intrinsically safe for hazardous environments.

This device measures and records temperatures from -40 °C to +80 °C (-40 °F to +176 °F) with an accuracy of ±0.5 °C. The RHTemp1000IS can store up to 32,768 time and date stamped readings, and is able to be programmed to start up to 24 months in advance.

The RHTemp1000IS is compatible with the latest MadgeTech 4 Software making starting, stopping, and downloading simple and easy. Graphical, tabular, and summary data is provided for analysis and can be viewed as customizable engineering units.

The RHTemp1000IS has been SGS certified as intrinsically safe for Class I, Division 1, groups A, B, C and D and non-incendive for Class I, Division 2, groups A, B, C and D. 


Memory32,768 readings per channel
Reading Rate 1 reading every second up to 1 reading every 24 hours
Battery Life 2 years typical at 15 minute reading rate
Material316 Stainless Steel/Radel
Dimensions1.67 in x 0.97 in dia. (42.3 mm x 24.6 mm dia.)
Key Ring End CapKey ring replaces standard bottom
Thru-hole: 0.150"
Operating Environment -40 ºC to +80 ºC (-40 °F to +176 °F)
0 %RH to 100 %RH (case properly sealed)
Required Interface Package IFC400 or IFC406
FM Class 3600, latest revision
FM Class 3610, latest revision
CAN/CSA-C22.2 No. 60079-0:15
CAN/CSA-C22.2 No. 60079-11:14


Temperature Sensor Resistance Temperature Detector (RTD)
Temperature Range -40 °C to +80 °C (-40 °F to +176 °F)
Temperature Resolution 0.01 ºC (0.02 ºF)
Temperature Calibrated Accuracy ±0.5 °C (0 °C to +50 °C)
±0.9 °F (+32 °F to +122 °F)


Humidity Sensor Capacitive Polymer
Humidity Range 0 %RH to 100 %RH (non-condensing)
Humidity Resolution 0.1 %RH
Humidity Calibrated Accuracy ±3 %RH maximum
Humidity Specified Accuracy Range25 %RH to 75 %RH
+20 °C to +40 °C
Hysteresis Error 1 % Typical,
3% Maximum


RHTemp1000IS Specification Sheet

RHTemp1000IS Product User Guide

Support Videos

RHTemp1000IS | Live Overview


Part Numbers

RHTemp1000IS (Flush Bottom) — 902213-00
RHTemp1000IS (Key Ring End Cap) — 902218-00

The latest version of the RHTemp1000IS replaces the following SKU’s
RHTemp1000IS (Flush Bottom) — 901474-00
RHTemp1000IS (Key Ring End Cap) — 901478-00


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