Multi-funtional duct sensor
For humidity, temperature, pressure, differential pressure and volume flow for monitoring and controlling heating, ventilation and air-conditioning systemsPREMASGARD® 814x-Modbus
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The maintenance-free microprocessor-controlled PREMASGARD® 232x - Modbus - T3 (series), with Modbus connection, impact-resistant plastic housing, housing cover with quick-locking screws, optionally with/ without display, is used for detecting positive, negative, or differential pressure measurement in clean air.
The piezo-resistive measuring element is temperature-compensated and guarantees high reliability and accuracy. The pressure transmitters are provided with a push-button for manual zero point calibration and an adjustable offset. Applications of these pressure sensors are in cleanroom, medical and filter technology, at ventilation and air conditioning ducts, at spray booths, in largescale catering facilities, for filter monitoring and level measurement, or for triggering frequency converters. Media measured with these pressure transducers are air (non-precipitating), or other gaseous non-aggressive, non-combustible media.
The pressure sensor has a manual zero point pushbutton. Fine adjustment by the user is possible at any time. The delivery includes the connection set ASD-06 (2 m connection hose, two pressure connection nipples, screws).
24 V AC (± 20 %) and
15…36 V DC
|Power consumption||< 2 W/ 24 V DC, < 3.5 VA/ 24 V AC|
|Measuring range, pressure||– 7000...+ 7000 Pa|
|Media temperature||–20...+50 °C (temperature-compensated 0...+50 °C)|
4/ 6 x 11 mm (hoses Ø = 4/ 6 mm),
metal pressure connection nozzles
|Type of pressure||differential pressure|
(7000 Pa): typically ± 35 Pa at +25 °C
compared to the calibrated reference device
|Zero point offset||± 10 % of final value|
|Above- ⁄ below-pressure||max. ± 50 kPa|
clean air and
non-aggressive, non-combustible gases
|Electrical connection||0.2 - 1.5 mm2, via push-in terminal|
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016),
housing cover for display is transparent !
|Housing dimensions||108 x 78.5 x 45.8 mm (Tyr 3 with display)|
2x M 20 x 1.5; with strain relief, exchangeable,
inner diameter 8 - 13 mm
|Long-term stability||± 1 %/ year|
|Hysteresis||0.3 % of final value|
|Media contacting parts||Brass, Ni, Duroplast, Si, epoxy, RTV, BSG, UV silicone gel|
|Temperature drift values||± 0.1 %/ °C|
|Linearity||< ± 1 % of final value|
|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)|
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
two-line display with illumination, programmable,
cutout approx. 36 x 15 mm (W x H), to display ACTUAL pressure
or an individually programmable display value(The Modbus interface allows the display to beindividually configured in the 7-segment area andin the dot-matrix area.)
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