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
Für jede Anwendung die richtige Lösung [Translate]
The light-intensity sensor PHOTASGARD® DHKF with six switchable measuring ranges (six devices in one) for installation in suspended ceilings. The connecting head is pluggable for quick and easy mounting. The measuring transducer is accommodated in a separate housing.
The sensor used was specifically adapted to the sensitivity of the human eye. Its greatest sensitivity is in the range of 350 nm to 820 nm. With its special filter, the sensor is therefore ideally suited to exposure measurement of daylight and/or for measuring artificial light of high colour temperature (similar to sunlight).
It is used for daylight-dependent constant light control, to control luminaires, lighting systems, Venetian blinds and canvas blinds, and to control light intensity and sun protection hoods to avoid unnecessary heating-up of rooms. It is used in green houses, storage halls, industrial halls, workshops, corridors, residential and commercial buildings.
15...36 V DC
depending on working resistance, residual ripple stabilised ± 0.3 V
|Power consumption||< 1 W at 24 V DC; < 2 VA at 24 V AC|
|Working resistance||Ra (ohm) = (Ub -14 V)/ 0.02 A for I variant|
|Deviation, humidity||typically < 5 % of final value|
multi-range switching (via DIP switches)
with 6 switchable measuring ranges
0...500 Lux/ 1 kLux/ 2 kLux/ 5 kLux/ 20 kLux/ 60 kLux
(other individual ranges optional, e. g. 100 kLux)
|Ambient temperature||–30...+70 °C|
2-, or 3-wire connection
0.14 -1.5 mm ² 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)
|Housing dimensions||72 x 64 x 37,8 mm (Tyr 1)|
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
made of plastic, material polycarbonate (PC), colour white,
pluggable, Ø = approx. 35 mm, H = approx. 29 mm
PVC, LiYY, 4 x 0.14 mm²,
KL = approx. 2 m
inside suspended ceiling,
ceiling cutout Ø = 30 mm,
cover Ø = < 35 mm
|Protection class||III (according to EN 60 730)|
IP 65 (according to EN 60 529) housing only!
IP 30 (according to EN 60 529) sensor in the built-in state
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
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