Efficient, convenient and network-enabled
Elegant appearance, touch-operated interface, large display, and Modbus-compatible
RYMaskon
The calibratable humidity and temperature sensor HYGRASGARD® DFF measures
the relative humidity and temperature of air. It converts the measurands humidity and
temperature into a standard signal of 0 - 10 V or 4...20 mA, and is available with ⁄ without
an optional display.
It is equipped with four switchable temperature ranges. Relative humidity (in % r.H.) is the
quotient of water vapour partial pressure divided by the saturation vapour pressure at the
respective gas temperature. The measuring transducers are designed for exact detection
of temperature and humidity. A digital, long-term stable sensor is used as a measuring
element for humidity and temperature measurement. Fine adjustment by the user
is possible.
The ceiling-installed sensor is used in non-aggressive, dust-free environments and is used
for installation in suspended ceilings in corridors, offices, as well as in residential and
commercial buildings. The connecting head is pluggable for quick, easy mounting.
The measuring transducer is accommodated in a separate enclosure.
Voltage supply |
24 V AC (± 20 %) and 15…36 V DC |
---|---|
Power consumption | < 1.1 VA ⁄ 24 V DC ; < 2.2 VA ⁄ 24 V AC |
Load resistance | RL > 5 kOhm |
Sensors |
digital humidity sensor
with integrated temperature sensor, low hysteresis, high long-term stability |
Measuring range, humidity |
0...100 % r. H. (output corresponding to 0 -10 V) |
Operating range, humidity | 0...95 % r. H. (without dew formation) |
Deviation of humidity |
typical ± 2.0 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3.0 % r. H. |
Output, humidity | 0 - 10 V |
Ambient temperature |
storage –5...+60 °C operation –5...+60 °C |
Electrical connection |
2-, 3- or 4-wire connection 0.14 -1.5 mm ² via terminal screws on circuit board |
Enclosure |
plastic, UV-stabilised, 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) |
Cable gland |
2x M 12 x 1.5 (Y-adapter); with strain relief, exchangeable, max. inner diameter 6 mm |
Connecting head |
made of plastic, material polycarbonate (PC), colour white, pluggable, Ø = approx. 35 mm, H = approx. 29 mm, with metal sinter filter made of stainless steel V4A (1.4404) |
Connection cable |
PVC, LiYY, 4 x 0.14 mm², KL = approx. 2 m |
Long-term stability | ± 1 % ⁄ year |
Mounting (sensor) |
inside suspended ceiling, ceiling cutout Ø = 30 mm, cover Ø = < 35 mm |
Protection class | III (according to EN 60 730) |
Protection type |
IP 65 (according to EN 60 529) enclosure only! IP 30 (according to EN 60 529) sensor in the built-in state |
Standards |
CE conformity, according to EMC directive 2014 ⁄ 30 ⁄ EU, according to EN 61326-1, according to EN 61326-2-3 |
ISH Messe Frankfurt – S+S Regeltechnik looks forward to meeting you!
11. - 15.03.2019
Stand 10.3 A71
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ISH | 11. - 15.03.2019 | Stand 10.3 A71
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