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 产品阵容
 型号说明:温湿度控制器ETF 012
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  • 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. Due to its wide voltage range the hygrotherm can be utilised anywhere in the world. The external sensor can be positioned freely anywhere in the enclosure for precise measurements. 

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
60VDC, 0.6A¹
Max. inrush current AC 30A for 10 sec.
Optical indicator LED
Connection 5-pole terminal, clamping torque 0.5Nm max.:
rigid/stranded² wire 2.5mm² (AWG 14)
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
Approvals VDE, UL File No. E164102, EAC

¹ not UL confirmed

² When connecting with stranded wires, wire end ferrules must be used.

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

TECHNICAL DRAWING

Electronic Hygrotherm with external sensor ETF 012

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