HIGROTERMA ETF 012 with an external sensor
HIGROTERMA ETF 012 with an external sensor

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Manufacturer: STEGO

HIGROTERMA ETF 012 with an external sensor

ETF 012
 

Temperature and humidity adjustable
Wide voltage range
Operating temperature down to -40°C
High switching capacity
With external sensor

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.

 

Technical Data

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) approx. 5 sec.
Contact type change-over contact (relay)
Service life VDE: NO/NC > 15,000 cycles
  UL: NO/NC > 30,000 cycles
Max. switching capacity (Relay output) 240VAC, 10 (1.6) A
Max. inrush current 30A AC for 10 s.
Optical indicator LED
Podłączenie 5-pole terminal, clamping torque 0.5Nm max.:
rigid wire 2.5mm2
  stranded wire (with wire end ferrule) 1.5mm2
Mounting clip for 35mm DIN rail, EN 60715
Casing plastic according to UL94 V-0, light grey
Dimensions 77 x 60 x 43mm
Weight approx. 0.2kg
Fitting position vertical
Operating / Storage temperature -40 to +60°C (-40 to +140°F)
Operating / Storage humidity max. 90% RH (non-condensing)
Protection type IP20

Connection diagram

Electronic Hygrotherm ETF 012

Example of connection

Electronic Hygrotherm ETF 012

Catalogue number
Art. No.
Cable 1 m		 Art. No.
Cable 2 m		 Operating voltage Setting range temperature Setting range humidity Approval
01231.0-00 01231.0-01 100-240VAC, 50/60 Hz (min. 90VAC, max. 265VAC) 0 to +60°C 50 to 90% RH VDE + UL File No. E164102
01231.9-00 01231.9-01 100-240VAC, 50/60 Hz (min. 90VAC, max. 265VAC) +32 to +140°F 50 to 90% RH VDE + UL File No. E164102
01231.1-00 01231.1-01 24-48VDC (min. 20VDC, max. 60VDC) 0 to +60°C 50 to 90% RH VDE + UL File No. E164102
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ETF 012
 

Temperature and humidity adjustable
Wide voltage range
Operating temperature down to -40°C
High switching capacity
With external sensor

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.

 

Technical Data

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) approx. 5 sec.
Contact type change-over contact (relay)
Service life VDE: NO/NC > 15,000 cycles
  UL: NO/NC > 30,000 cycles
Max. switching capacity (Relay output) 240VAC, 10 (1.6) A
Max. inrush current 30A AC for 10 s.
Optical indicator LED
Podłączenie 5-pole terminal, clamping torque 0.5Nm max.:
rigid wire 2.5mm2
  stranded wire (with wire end ferrule) 1.5mm2
Mounting clip for 35mm DIN rail, EN 60715
Casing plastic according to UL94 V-0, light grey
Dimensions 77 x 60 x 43mm
Weight approx. 0.2kg
Fitting position vertical
Operating / Storage temperature -40 to +60°C (-40 to +140°F)
Operating / Storage humidity max. 90% RH (non-condensing)
Protection type IP20

Connection diagram

Electronic Hygrotherm ETF 012

Example of connection

Electronic Hygrotherm ETF 012

Catalogue number
Art. No.
Cable 1 m		 Art. No.
Cable 2 m		 Operating voltage Setting range temperature Setting range humidity Approval
01231.0-00 01231.0-01 100-240VAC, 50/60 Hz (min. 90VAC, max. 265VAC) 0 to +60°C 50 to 90% RH VDE + UL File No. E164102
01231.9-00 01231.9-01 100-240VAC, 50/60 Hz (min. 90VAC, max. 265VAC) +32 to +140°F 50 to 90% RH VDE + UL File No. E164102
01231.1-00 01231.1-01 24-48VDC (min. 20VDC, max. 60VDC) 0 to +60°C 50 to 90% RH VDE + UL File No. E164102
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