Therma-Hygrometer - hygrometer thermometer

810-155 ETI New

Therma-Hygrometer with max/min & alarm functions

  • range of -49.9 to 69.9 °C & 20 to 99 %rh
  • integral%rh & remote temperature probe
  • temperature alarm feature

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£17.00 ex VAT

  £20.40 inc VAT

This therma-hygrometer simultaneously displays both the humidity and temperature in addition to indicating and recording the maximum and minimum readings.

The therma-hygrometer measures both humidity and temperature over the range of 0 to 49.9°C and 20 to 99%rh utilising the internal sensors. Utilising the external temperature sensor the temperature range is extended to -49.9 to 69.9°C.

The therma-hygrometer features a temperature alert alarm that will sound when the external remote temperature probe indicates the temperature is 0°C or below. This feature is ideal for frost/freeze alert in horticulture and similar.

The therma-hygrometer is housed in an ABS case measuring 20 x 65 x 97mm, the case incorporates a useful foldaway stand and a keyhole slot for hanging on a wall.


range internal:temperature: 0 to 49.9°C - humidity: 20 to 99%rh
range external:temperature: -49.9 to 69.9°C
resolution - temperature:0.1°C/°F
resolution - humidity:1%rh
accuracy - temperature:±1°C
accuracy - humidity:±5%rh
battery:1.5 volt AAA
battery life:10000 hours
sensor type: temperature: thermistor - humidity: capacitance
display: dual custom LCD
dimensions:20 x 65 x 97mm
weight:70 grams
case material: ABS plastic
guarantee: one year
measurement scale: Celsius/Fahrenheit & %rh

810-155 hygrometer instructions

Operating instructions for ETI 810-155 Therma-hyrometer

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810-155 C of C

810-155 Therma-Hygrometer certificate of conformity

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