Für jede Anwendung die richtige Lösung [Translate]
The universal humidity sensors HYGRASGARD® KAVTF with 6 output sizes are used to determine diverse measurands in humidity measurement. The relative humidity and temperature of the ambient air are measured. These measurands are used to calculate various parameters internally.
For device version x-U, two outputs of 0 - 10 V are available, for version x - I two outputs of 4...20 mA. Here, the output variables for these outputs can be defined using DIP switches. Selectable for output 1 are relative humidity [% r.H.], absolute humidity [g ⁄ m³], mixture ratio [g ⁄ kg], dew-point temperature [°C] or enthalpy [kJ ⁄ kg] (ignoring atmospheric air pressure). At output 2, four different measuring ranges for ambient temperature [°C] are selectable. The factory setting for output 1 is the relative humidity 0...100 % r.H., for output 2 the temperature measuring range 0...+50 °C. Due to the different configuration alternatives, numerous measurement and control tasks can be solved by just one device.
The devices are to be operated in pollutant-free, non-precipitating air with neither above-atmospheric nor below-atmospheric pressure at the sensors. Application examples include medical technology, refrigeration, air conditioning and clean room technology. The sensors are suitable for duct installation.
24 V AC (± 20 %) and
15…36 V DC
|Power consumption||< 1 W at 24 V DC; < 2 VA at 24 V AC|
|Load resistance||RL > 5 kOhm|
digital humidity sensor
with integrated temperature sensor,
low hysteresis, high long-term stability
|Measuring range, humidity||
multi-range switching with 8 switchable measuring ranges
0...100 % r. H. (default)
|Operating range, humidity||10...95 % r. H., without formation of dew|
|Deviation of humidity||
typical ± 2 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3 % r. H.
Deviations of other outputs result from
deviations of humidity and temperature.
|Output, humidity||0 - 10 V|
|Measuring range, temperature||
multi-range switching with
4 switchable measuring ranges
0...+50 °C (default); –20...+80 °C; –35...+75 °C; –35...+35 °C
|Operating range, temperature||–35...+85 °C sensors|
|Temperature deviation||typically ± 0.2 K at +25 °C|
|Output, temperature||0 - 10 V|
plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable
(optional metal sinter filter, Ø 16 mm, L = 32 mm)
storage –35...+85 °C,
operation – 30...+70 °C, non-precipitating
by mounting flange, plastic
(included in the scope of delivery)
PLEUROFORMTM, material polyamide (PA6), with torsion
protection, Ø 20 mm, NL = 235 mm, vmax = 30 m/s (air)
(on request, optional stainless steel V2A (1.4301), Ø 16 mm)
0.14 - 1.5 mm², via terminal screws on circuit board
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted ⁄ Phillips head - combination),
colour traffic white (similar to RAL 9016)
|Enclosure dimensions||72 x 64 x 37,8 mm (Tyr 1)|
2x M 12 x 1.5 (Y-adapter); with strain relief,
exchangeable, max. inner diameter 6 mm
|Protection class||III (according to EN 60 730)|
|Protection type||IP 65 (according to EN 60 529) enclosure only!|
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014 ⁄ 30 ⁄ EU
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