RHTemp1000 is a compact, humidity and temperature data logger. Includes ISO17025 accredited calibration certificate. Read More >

Key Features:

  • Compact Size
  • Memory Capacity of 32,000+ Readings
  • Measures Temperatures from -40 ºC to 80 ºC



The RHTemp1000 is a compact, humidity and temperature data logger, ideal for use in harsh 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 RHTemp1000 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 RHTemp1000 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.


Memory32,768 readings (all channels enabled)
Reading Rate1 reading every second up to 1 reading every 24 hours
Battery Life2 years typical at 25 °C, 15 minute reading intervals
Material316 Stainless Steel/Radel
Dimensions1.7 in x 0.97 in x 0.97 in (42 mm x 24.6 mm x 24.6 mm)
Operating Environment-40 °C to +80 °C (-40 °F to +176 °F), 0 %RH to 100 %RH (non-condensing)
Required Interface PackageIFC400 or IFC406


Temperature SensorResistance Temperature Detector (RTD)
Temperature Range-40 °C to +80 °C (-40 °F to +176 °F)
Temperature Resolution0.01 °C (0.018 °F)
Temperature Response
Time in Air
t63 - 8 minutes to 63% of change
t90 - 68 minutes to 90% of change
Temperature Calibrated Accuracy±0.5 °C (0 °C to +55 °C)


Humidity SensorCapacitive Polymer
Humidity Range0 %RH to 100 %RH (non-condensing)
Humidity Resolution0.1 %RH
Humidity Response
Time in Air
t90 - 2 minutes to 90% of change
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.


RHTemp1000 Specification Sheet

RHTemp1000 Product User Guide 


Part Numbers

RHTemp1000 — 901469-00


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