ETF 012 Electronic Hygrotherm
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ETF 012 Electronic Hygrotherm

1. Temperature and humidity adjustable
2. Wide voltage range
3. Status indicator (LED)
4. High switching capacity

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. Due to its wide voltage range the hygrotherm can be utilised anywhere in the world. The LED integrated in the adjustment knob on the active controller is lit when the connected device is in operation.

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ETF 012 Electronic Hygrotherm Cabinet Hygrotherm Enclosure Hygrotherm Specifications

Switch temperature difference
2K (±1K tolerance)at 25℃/77°F (50% RH)
Switch difference(humidity)
4% RH (±1% tolerance) at 25℃ /77°F (50% RH)
Reaction time (humidity)
approx. 5 sec.
Contact type
change-over contact (relay)
Contact resistance
< 10mΩ
Service life
NC: > 50,000 cycles
NO: > 100,000 cycles
Max. Switching capacity
(Relay output)
NC: 240VAC, 6 (1) A, NO: 240VAC, 8 (1.6) A
NC: 120VAC, 6 (1) A, NO: 120VAC, 8 (1.6) A, 24VDC, 4A
acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3
5-pole terminal,clamping torque 0.5Nm max.: rigid wire 2.5mm2
stranded wire (with wire end ferrule) 1.5mm2
clip for 35mm DIN rail,EN6075 or for exit filter EF 118 Series
plastic according to UL94 V-0, light grey
77 x 60 x 43mm, approx. 0.20kg
Fitting position
Operating/Storage temperature
0 to +60℃ (+32 to +140°F ) / -20 to +80℃ (-4 to +176°F )
Protection type
*Connecting terminal "N" (RF heating resistor) causes the thermal feedback to work and so reduces the switch temperature difference to approx. 0.5K.

Art. No.
Operating voltage*
Setting range
230VAC, 50/60Hz
0 to +60 ℃, 50 to 90% RH
120VAC, 50/60Hz
+32 to +140 °F, 50 to 90% RH
ETF 012 Electronic Hygrotherm Cabinet Hygrotherm Enclosure Hygrotherm Drawing 1

ETF 012 Electronic Hygrotherm Cabinet Hygrotherm Enclosure Hygrotherm for Climate Control Model Show

ETF 012 Electronic Hygrotherm Packing

Stego ETF 012 Electronic Hygrotherm Cabinet Hygrotherm Enclosure Hygrotherm for Climate Control Packing Show

FAQ-Vanto Electric

Q:1.How do you control the products' quality?

A:Auto inspection machine and manual testing together before packing.

Q:2.What's your payment term?
A:We usually accept T/T(30% deposit,the balance before delivery.)
Samples cost can be paid by Western Union,MoneyGram

Q:3.Would you accept to use our logo?
A:If you have good quantity,we can make OEM for you.

Q:4.Can I get a sample for reference?
A:We provide free samples for testing,you only need to pay the courier cost.

Q:5.What is your MOQ?
A:The MOQ can be only 1 piece.

Q:6.What is your delivery time?
A:Usually it takes 7-25 working days depends on items and quantity.

Q:7.What is your warranty time of the products?
A:24 months

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Company Profile

Vanto Industrial Group Limited was founded in 2012. We are a professional manufacturer and wholesaler in the field of low voltage electrical appliances in China. Especially in enclosure thermostat, PTC heater, switching power supply, electrical acces...




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