Thermohygrometers

A hygrometer measures the humidity and water vapour in the air. A thermohygrometer measures both humidity and temperature.

Within a volume of air, the maximum amount of water vapour it can hold varies greatly by temperature with cold air holding a fraction of what warmer air will. Most moisture meters use temperature to give the relative humidity (RH) for a particular temperature and display it as a percentage. Most models have a built-in digital LCD display but there are several which use an analogue readout, these are primarily for continuous monitoring.

These instruments all feature built-in displays and some offer features such as datalogging, web bulb temperature or dewpoint.

RS offers a range of thermo-hygrometers, many of which can be calibrated to UCAS or RS Calibration standards to ensure accurate measurements.


What are thermohygrometers used for?


Primarily, thermo-hygrometers are used to test HVAC systems and office environments. They often feature a probe which can be inserted through an air-conditioning duct to get readings from within the ducting.


What's the difference between a thermo hygrometer and a moisture meter?


A hygrometer measures the moister in the air and a moisture meter measures the moisture within a material such as wood, paper or stud walls.


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Description Price Absolute Maximum Temperature Measurement Maximum Humidity Measurement Best Temperature Measurement Accuracy Temperature Measurement Resolution Best Humidity Measurement Accuracy Humidity Measurement Resolution Dewpoint Measurement Meter Type Calibrated Interface Type Printer Functions Power Source Battery Type
RS Stock No. 123-2352
BrandRS PRO
£192.50
Each
Units
- - - - - - - - RSCAL - - - Battery 9V
RS Stock No. 123-2353
BrandRS PRO
£212.50
Each
Units
- - - - - - - - UKAS - - - Battery 9V
RS Stock No. 123-2210
BrandRS PRO
£82.50
Each
Units
- 99%RH - 0.1°C ±3 % HR 0.1%RH - - - - No Dew Point, Hydrometry, Max/MIN/HOLD, Temperature Battery PP3 9V PP3
New
RS Stock No. 192-6508
BrandRS PRO
£176.00
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-6510
BrandRS PRO
£218.00
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 106-5306
BrandRS PRO
£68.00
Each
Units
+50°C 99%RH ±1 °C 0.1°C ±5 % 0.1%RH Yes Handheld - - - Data Hold Battery AAA
RS Stock No. 123-2269
BrandRS PRO
£234.00
Each
Units
+140 °F, +60 °C 95%RH ±0.5 °C, ±0.9 °F 0.1 °F, 0.1 °C ±3 %RH 0.1%RH Yes Handheld RSCAL - - Dew Point, Hold, Maximum & Minimum Display, Record, Relative, Wet Bulb Battery AAA
RS Stock No. 123-2233
BrandRS PRO
£126.00
Each
Units
+140 °F, +60 °C 95%RH ±0.5 °C, ±0.9 °F 0.1 °F, 0.1 °C ±3 %RH 0.1%RH Yes Handheld - - - Dew Point, Hold, Maximum & Minimum Display, Record, Relative, Wet Bulb Battery AAA
RS Stock No. 123-2270
BrandRS PRO
£256.00
Each
Units
+140 °F, +60 °C 95%RH ±0.5 °C, ±0.9 °F 0.1 °F, 0.1 °C ±3 %RH 0.1%RH Yes Handheld UKAS - - Dew Point, Hold, Maximum & Minimum Display, Record, Relative, Wet Bulb Battery AAA
RS Stock No. 123-2230
BrandRS PRO
£113.00
Each
Units
+140 °F, +60 °C 95%RH ±0.4 °C, ±0.8 °F 0.1 °C, 0.1 °F ±3 %RH 0.1%RH Yes Handheld - - - Dew Point, Hold, Memory, Read Battery 9V
RS Stock No. 123-2372
BrandRS PRO
£223.00
Each
Units
+140 °F, +60 °C 95%RH ±0.4 °C, ±0.8 °F 0.1 °F, 0.1 °C ±3 %RH 0.1%RH Yes Handheld RSCAL - - Dew Point, Hold, Memory, Read Battery 9V
RS Stock No. 123-2232
BrandRS PRO
£199.06
Each
Units
+1333 (Type2) °C, +140 (Type1) °F, +2431 (Type2) °F, +60 (Type1) °C 95%RH ±0.1 %, ±0.8 °C, ±1.5 °F 0.1 °F, 0.1 °C ±3 %RH - Yes Handheld - - Yes Dew Point, Hold, Maximum & Minimum Display Battery AAA
New
RS Stock No. 192-6502
BrandRS PRO
£275.59
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-6505
BrandRS PRO
£284.48
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 165-1486
BrandRS PRO
£11.03
Each
Units
+60°C 80%RH ±5 % - ±5 % - - Analogue - - - Measuring - -
New
RS Stock No. 192-6503
BrandRS PRO
£317.59
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-6504
BrandRS PRO
£242.48
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 127-8297
BrandRS PRO
£167.59
Each
Units
+100 °C, +212 °F 100%RH ±0.4 °C, ±0.8 °F 0.1 °C, 0.1 °F ±3 %RH 0.1%RH Yes Handheld - USB - Alarm, Comparator, Data Hold Battery 006P 9V, NEDA 1604
RS Stock No. 127-8296
BrandRS PRO
£134.48
Each
Units
+100 °C, +212 °F 100%RH ±0.4 °C, ±0.8 °F 0.1 °C, 0.1 °F ±3 %RH 0.1%RH Yes Handheld - USB - Alarm, Comparator, Data Hold Battery 006P 9V, NEDA 1604