Efficient, convenient and network-enabled
Elegant appearance, touch-operated interface, large display, and Modbus-compatible
RYMaskonCalibratable duct humidity ⁄ temperature sensor HYGR ASGARD® KFF ⁄ KFTF (± 2.0 %) or KFF - 20 ⁄ KFTF - 20 (± 1.8 %), with plastic sinter filter (optional metal sinter filter), terminal box enclosure made of impact-resistant plastic, enclosure cover with quick-locking screws, with ⁄ without optional display. It measures the relative humidity and ⁄ or the temperature of the air and converts the measurand into a standard signal of 0 - 10 V or 4...20 mA. It has four switchable temperature ranges and is applied in non-aggressive dust-free atmospheres in refrigeration, air conditioning, ventilation and clean room technology. Relative humidity (in % r. H.) is the quotient of water vapour partial pressure divided by the saturation vapour pressure at the respective gas temperature. These measuring transducers are designed for exact detection of humidity. A digital long-term stable sensor is used as measuring element for humidity measurement. Fine adjustment by the user is possible.
Voltage supply |
15...36 V DC depending on working resistance, residual ripple stabilised ± 0.3 V |
---|---|
Power consumption | < 1.1 VA ⁄ 24 V DC ; < 2.2 VA ⁄ 24 V AC |
Working resistance | Ra (ohm) = (Ub -14 V) ⁄ 0.02 A for I variant |
Sensors |
digital humidity sensor
with integrated temperature sensor, low hysteresis, high long-term stability |
Measuring range, humidity |
0...100 % r. H. (output corresponding to 4...20 mA) |
Deviation of humidity |
typical ± 1.8 % r. H. (10…90 % r. H. ); at + 25 °C, otherwise ± 2,0 % r. H. |
Output, humidity | 4...20 mA |
Measuring range, temperature |
multi-range switching with 4 switchable measuring ranges –35...+35 °C; –35...+75 °C; 0...+50 °C; 0...+80 °C (output corresponding to 0 -10 V or 4...20 mA) |
Temperature deviation | typically ± 0.2 K at +25 °C |
Output, temperature | 4...20 mA |
Sensor protection |
plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable (optional metal sinter filter, Ø 16 mm, L = 32 mm) |
Ambient temperature |
storage –35...+85 °C; operation – 30...+75 °C, non-precipitating |
Process connection |
by mounting flange, plastic (included in the scope of delivery) |
Protective tube |
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) |
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 cover for display is transparent ! |
Enclosure dimensions | 126 x 90 x 50 mm (Tyr 2) |
Cable gland |
2x M 12 x 1.5 (Y-adapter); with strain relief, exchangeable, max. inner diameter 6 mm |
Long-term stability | ± 1 % ⁄ year |
Permissible air humidity | < 95 % r. H., non-precipitating air |
Protection class | III (according to EN 60 730) |
Protection type | IP 65 (according to EN 60 529) enclosure only! |
Standards |
CE conformity, according to EMC directive 2014 ⁄ 30 ⁄ EU, according to EN 61326-1, according to EN 61326-2-3 |
Display |
three-line display with illumination, cutout 70 x 40 mm (W x H), for displaying ACTUAL temperature and ⁄ or ACTUAL humidity |
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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