Datasheet

G
HYGRASREG
®
KH -10 Rev. 2017 - V12 GB
Mechanical duct hygrostat HYGR ASREG
®
KH-10 with switching output as one-step hygrostat. It works without external voltage and is used for
controlling and monitoring the relative humidity in ventilation and air conditioning ducts, laboratories, production facilities, climatic test cabinets,
indoor swimming pools, greenhouses, etc. to control humidifying and dehumidifying equipment, as minimum guard, or maximum hygrostat. KH-10 is
applied in dust-free, pollutant-free, non-aggressive air.
TECHNICAL DATA
Switching capacity: 15 (2) A; 24...250 V AC, min. 100 mA
(Contact load) > 24 V in dry rooms only according to VDE 0110
Setting range: 35...100 % r. H.
Contact: dust-proof microswitch as single-pole,
potential-free changeover contact
(gold-plated optional)
Enclosure: plastic, material polyamide, 30 % glass-globe-reinforced,
colour traffic white (similar to RAL 9016)
Dimensions: 108 x 70 x 73.5 mm (Thor 2)
Cable gland: M 20 x 1.5 ; including strain relief
Ambient temperature: 0...+ 60 °C
Operating difference: approx. 3...6 % r. H.
Measuring accuracy: ± 4 % r. H.
Controlled medium: air, unpressurised, non-aggressive
Average
temperature coefficient: 0.2 % ⁄ K; at +20 °C and 50 % r. H.
Flow rate: max. 8 m ⁄ s
Sensor sleeve: made of brass nickel-plated,
Ø 20 mm, NL = 223 mm
Electrical connection: 0.14 - 1.5 mm
2
, via terminal screws
Protection class: I (according to EN 60 730)
Protection type: IP 65 (according to EN 60 529)
Standards: CE conformity,
EMC directive 2014 ⁄ 30 ⁄ EU,
low-voltage directive 2014 ⁄ 35 ⁄ EU
FUNCTION
Humidifying: Wire contacts 1 - 4.
Switch points ON ⁄ OFF are approx. 2.5 % r. H.
above or below the selected value.
Dehumidifying: Wire contacts 1 - 2.
Switch points ON ⁄ OFF are approx. 2.5 % r. H.
above or below the selected value.
HYGRASREG
®
KH - 10 – Duct hygrostats, mechanical, Standard
Type ⁄ WG01 Setting Range
Humidity
Steps Features Item No.
KH -10 External setting
KH-10 35...100 % r. H. one-step – 1202-3012-0010-000
KH -10 - U Internal setting
KH-10 U 35...100 % r. H. one-step Setpoint setter concealed 1202-3012-0020-000
Accessories
MF-20-K Mounting flange
for KH, plastic, for duct installation
(included in the scope of delivery)
7100-0030-4000-000
WH-20 Wall bracket for KH for on-wall mounting 1200-0010-4000-000