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Siemens Duct Hygrostat QFM 81.21 (QFM81.21)

Siemens Duct Hygrostat QFM 81.21 (QFM81.21)
Extended warranty 5 years

Siemens Duct Hygrostat QFM 81.21 (QFM81.21)

SIEMENS
  • Product code: QFM81.21
  • EAN : 4025515617860
  • Manufacturer code: QFM81.21
  • Warranty: 5 years

Duct hygrometer with a setting range of 15 - 95% relative humidity. Adjustment inside the hygrometer. More information

  • Delivery

    Delivery to Belgium (days are avarages)

    FedEx:
    2.7 workdays € 7,02
    Bpost HD (Home Delivery):
    4.1 workdays € 10,64
    BPost - PP (Pick-up Point):
    3.7 workdays € 9,91
    FedEx Priority:
    1.6 workdays € 12,71
    DHL Express:
    1.2 workdays € 16,94

    DHL Express: 1.2 workdays, € 16,94

  • In stock 1 pcs  
     
List price € 309,49
Price excluding VAT € 191,83
Price with VAT 21 % € 232,11
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Parameters and catalogs

Application For HVAC duct
Control Under the cover
IP Rating IP 55
Setting Accuracy 4% relative humidity
Setting range 15…95% RH
Temperature sensing No
Weight 0.46 kg

Datasheet download

Download PDF

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

Application

  • For controlling humidification and dehumidification
  • Installation in HVAC ducts and rooms
  • Regulation of air humidity in an adjustable range of 15-95% relative humidity

Features

  • Setpoint adjustment range: 15-95% r.h.
  • Switching difference (hysteresis): 4% r.h.
  • Protection rating IP 55
  • Setpoint adjustment: internal
  • Two-position control (on/off)
  • Potential-free changeover contact

We respond to your product queries as quickly as possible, usually within 24 hours.

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