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Duct hygrostat Siemens QFM 81.21 (QFM81.21)

Duct hygrostat Siemens QFM 81.21 (QFM81.21)

Duct hygrostat Siemens QFM 81.21 (QFM81.21)

SIEMENS
  • Product code: 336.1
  • EAN : 4025515617860
  • Manufacturer code: QFM81.21
  • Warranty: 2 years

Channel hygrostat with setting range 15 - 95% of rel. humidity. Adjustment inside the hygrostat. More information

  • Availability

    GLS delivery 3-4 working days. DHL express delivery 1-2 working days.

  • In stock 1 pcs  
     
List price € 303,21
Price without VAT € 200,47
Price with VAT 21 % € 242,57
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Parameters and catalogs

Control Under cover
Protection IP IP 55
Setting accuracy 4% r.h.
Setting range 15…95 % r.h.
Temperature sensing No
Use To VZT cannal
Weight 0.34 kg

Datasheet download

Download PDF

Channel hygrostat QFM 81.21 with microswitch, humidity sensor with temperature compensation, good linearity, excellent stability at high humidity.

Usage

  • For humidification and dehumidification
  • Installation in air ducts and rooms
  • Humidity control in adjustable range 15-95% rel. humidity

Features

  • Setpoint range: 15-95% r.h.
  • Switching differential (hysteresis): 4% r.h.
  • Protection class IP 30
  • Setpoint: external
  • 2 position control (on/off)
  • Potential-free changeover contact

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