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Description
Pressure and differential pressure measuring transducer / switch
PREMASREG® 711x
The electronic PREMASREG® 711x pressure sensors and switches are equipped with eight switchable measuring ranges, one switching output, one continuous output, and a display for setting the switchpoint and showing the actual pressure (eight devices in one, plus differential pressure switch / differential pressure monitor, continuous pressure sensor in a single device).
The sensor device has a housing made of impact resistant plastic, with cable gland or M12 connector according to DIN EN 61076-2-101 and with metal pressure port nozzles (quick connect optional). It is used to measure positive, negative or differential pressures in clean air, with limit value switching. The piezoresistive measuring element guarantees a high degree of reliability and accuracy.
Applications of these sensor devices are found in cleanroom, medical and filter engineering, in ventilation and air conditioning ducts, in spray booths and large-scale catering facilities, in filter monitoring and level measuring or frequency converter triggering. Media measured with these pressure transducers are air (non-precipitating) or other gaseous, non-aggressive, non-combustible media.
The sensor device has a housing made of impact resistant plastic, with cable gland or M12 connector according to DIN EN 61076-2-101 and with metal pressure port nozzles (quick connect optional). It is used to measure positive, negative or differential pressures in clean air, with limit value switching. The piezoresistive measuring element guarantees a high degree of reliability and accuracy.
Applications of these sensor devices are found in cleanroom, medical and filter engineering, in ventilation and air conditioning ducts, in spray booths and large-scale catering facilities, in filter monitoring and level measuring or frequency converter triggering. Media measured with these pressure transducers are air (non-precipitating) or other gaseous, non-aggressive, non-combustible media.
The pressure sensor device has a button for manual zero-point calibration (automatic zero-point calibration optional) and one offset potentiometer for setting the switching point and one for final value correction. The sensor is factory-calibrated and can be fine-tuned to ambient conditions by an expert. The transmitter is supplied including an ASD-06 connection set (2 m connection hose, two pressure port nipples, screws).
Technical details
Voltage supply
24 V AC/ DC (± 20 %)
Power consumption
< 1,0 W/ 24 V DC
< 2,2 VA/ 24 V AC
< 2,2 VA/ 24 V AC
Load resistance
RL > 5 kOhm
Output
0 -10 V
1 changeover contact (24 V), 1 A ohmic load
1 changeover contact (24 V), 1 A ohmic load
Output signal
0 -10 V
1 changeover contact (24 V), 1 A ohmic load
1 changeover contact (24 V), 1 A ohmic load
Connection type
3-wire connection
Measuring range
multi-range switching with 8 switchable measuring ranges
Media temperature
–20...+50 °C
Pressure connection
4/ 6 x 11 mm (hoses Ø = 4/ 6 mm),
metal pressure connection nozzles
metal pressure connection nozzles
Type of pressure
differential pressure
Zero point offset
< ± 0.7 % of final value
Above- below-pressure
máx. ± 100 hPa
Medium
clean air and
non-aggressive, non-combustible gases
non-aggressive, non-combustible gases
Pressure range
±1000Pa
Signal filtering
switchable 1 s/ 10 s
Setting increment p
1 % of pressure range (100 Pa => 1 Pa; 5000 Pa => 50 Pa)
Switching hysteresis
± 1 % of pressure range (100 Pa => ± 1 Pa; 5000 Pa => ± 50 Pa)
Electrical connection
3-wire connection (U)
0.14 - 1.5 mm², via plug-in screw terminal
0.14 - 1.5 mm², via plug-in screw terminal
Housing dimensions
126 x 90 x 50 mm (Tyr 2)
Cable gland
M 16 x 1.5; including strain relief
Measuring ranges
0... 100 Pa/ – 100... + 100 Pa
0... 300 Pa/ – 300... + 300 Pa
0... 500 Pa/ – 500... + 500 Pa
0... 1000 Pa/ – 1000... + 1000 Pa
0... 300 Pa/ – 300... + 300 Pa
0... 500 Pa/ – 500... + 500 Pa
0... 1000 Pa/ – 1000... + 1000 Pa
Dimensions
126 x 90 x 50 mm (Tyr 2)
Sum of Linearity+hysteresis
< ± 1 % of final value
Temperature drift values
± 0.1 %/ °C
Accuracy
(1000 Pa): typically ± 5 Pa
compared to the calibrated reference device
compared to the calibrated reference device
Air humidity
< 95 % RH, non-precipitating air
Accuracy, pressure
± 5 Pa
Protection class
III (according to EN 60 730)
Protection type
IP 65 (according to EN 60 529)*
Measuring range pressure
0 ... +100 Pa / -100 ... +100 Pa
0 ... +300 Pa / -300 ... +300 Pa
0 ... +500 Pa / -500 ... +500 Pa
0 ... +1000 Pa / -1000 ... +1000 Pa
0 ... +300 Pa / -300 ... +300 Pa
0 ... +500 Pa / -500 ... +500 Pa
0 ... +1000 Pa / -1000 ... +1000 Pa
Cable connection
Cable fitting, plastic
(M 16 x 1.5; with strain relief, exchangeable,
max. inner diameter 10.4 mm)
(M 16 x 1.5; with strain relief, exchangeable,
max. inner diameter 10.4 mm)
Housing
plastic, UV-stabilised,
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 !
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 !
Standards
CE conformity,
according to EMC directive 2014/ 30/ EU,
according to EN 61326-1, according to EN 61326-2-3
according to EMC directive 2014/ 30/ EU,
according to EN 61326-1, according to EN 61326-2-3
Features
three-line display with illumination,
cutout approx. 70 x 40 mm (W x H),
for displaying ACTUAL pressure and/ or SETPOINT pressure
and for adjusting the automatic zero point calibration
cutout approx. 70 x 40 mm (W x H),
for displaying ACTUAL pressure and/ or SETPOINT pressure
and for adjusting the automatic zero point calibration