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Electronic Hygrotherm for Sensing Temperature and Humidity

Electronic Hygrothermostat


Item# ETF01230900

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $111.87
5-9 $106.28
10-24 $104.04
25-49 $99.56
50-99 $97.33
100+ $95.09

In stock

Lead Time ( If not in Stock): 6 weeks

Electronic Hygrothermostat ETF01230900 ETF01230900
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  • Temperature and Humidity Adjustable
  • Optical Operating Display (LED)
  • High Switching Capacity
  • Clip Fixing

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Measurement Range
Form Factor
Response Time
Connection Type
Maximum Temperature Measurement
Display Type

Product Specs

  • contact Resistance <10 mΩ
  • contact type Change-over contact (relay)
  • Housing Color Plastic according to UL94 V-0
  • Maximum Ambient Temperature 60°C (140°F)
  • Maximum Humidity Measurement 90% RH
  • Maximum Storage Temperature 80°C (176°F)
  • Measurement Type Temperature
  • Minimum Ambient Temperature 0°C (32°F)
  • Minimum Storage Temperature -20°C (-4°F)
  • Minimum Humidity Measurement 50% RH

The electronic hygrotherm senses the ambient temperature and relative humidity in an enclosure with electric/electronic components, and turns on a heater (or alternatively, a fan) at either set point, helping prevent the formation of condensation in the enclosure. The LED integrated in the adjustment knob on the active controller is lit when the connected device is in operation.

Switch Difference (Temperature): 2K (±1K tolerance) at 25°C (77°F) (50% RH)
Switch Difference (Humidity): 4% RH (±1% tolerance) at 25°C (77°F) (50% RH)
Reaction Time (Humidity): Approximately 5 sec
Contact Type: Change-over contact (relay)
Contact Resistance: <10 mΩ
Service Life:
NC: >50,000 cycles
NO: >100,000 cycles
Max Switching Capacity: 24 Vdc, 4 A
Relay NC: 240 Vac, 6 (1) A output
Relay NO: 240 Vac, 8 (1.6) A output
NC: 120 Vac, 6 (1) A
NO: 120 Vac, 8 (1.6) A
EMC: Acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3
Optical Indicator: LED
Connection: 5-pole terminal, clamping torque 0.5Nm max; rigid wire 2.5 mm2 (0.10 in2) stranded wire (with wire end ferrule) 1.5 mm2 (0.06 in2)
Mounting: Clip for 35 mm (1.4") DIN rail, EN50022
Casing: Plastic according to UL94 V-0, light gray
Dimensions: 77 x 60 x 43 mm (3.0 x 2.4 x 1.7")
Weight: Approx. 0.20 kg (7.1 oz)
Fitting Position: Vertical
Operating Temperature: 0 to 60°C or 32 to 140°F
Storage Temperature: -20 to 80°C (-4 to 176°F)
Protection Type: NEMA 2 (IP20)

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