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Description
Volume flow meter
PREMASREG® 716x
The electronic PREMASREG® 716x pressure sensor and switch features measuring functions for volume flow, differential pressure, filter monitoring and liquid level detection based on pressure measurement in clean air. The 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 provides one switching output, one continuous output and a back-lit display for setting the switching point and showing actual values. The piezoresistive measuring element guarantees high reliability and accuracy.
This pressure sensor is used 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. Measured media are air (non-precipitating) or other gaseous, non-aggressive, non-combustible media.
This pressure sensor is used 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. Measured media are air (non-precipitating) or other gaseous, non-aggressive, non-combustible media.
The pressure switch has a manual zero-point pushbutton and an offset potentiometer for final value correction. Parametre entry is menu-based and is easy to perform using three buttons in combination with the display. The sensor is factory-calibrated and can be fine-tuned to ambient conditions by an expert. Our ASD-06 connection set (2 m connection hose, two pressure nipples, screws) is included in the scope of supply.
Technical details
Voltage supply
24 V AC/ DC (± 10 %)
Power consumption
< 2 W/24 V DC; < 4,4 VA/24 V AC
Load resistance
RL > 15 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 function
Volume flow, differential pressure,
filter monitoring, fill level (adjustable)
filter monitoring, fill level (adjustable)
Measuring ranges
10...100% (adjustable)
Media temperature
–4...+122 °F (temperature-compensated +32...+122 °F)
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
Above- below-pressure
± 50 kPa
Medium
clean air and
non-aggressive, non-combustible gases
non-aggressive, non-combustible gases
Signal filtering
switchable 1 s/ 10 s
and small value suppression < 1 %
and small value suppression < 1 %
Signal hysteresis
± 1 % or final value (pressure) 0.04 inWC / 0.20 inWC
Electrical connection
AWG 24 - 16, via push-in terminal
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 !
Housing dimensions
4.96 x 3.54 x 1,97 in (Tyr 2)
Cable gland
M 20 x 1.5; including strain relief
Dimensions
4.96 x 3.54 x 1,97 in (Tyr 2)
Sum of Linearity+hysteresis
< ± 1 % of final value
Temperature drift values
± 0.1 %/ K
Air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Protection type
IP 65 (according to EN 60 529)*
Standards
CE conformity
according to EMC Directive 2014/ 30/ EU,
according to EN 61 326
according to EMC Directive 2014/ 30/ EU,
according to EN 61 326
Features
Display with illumination, three-line,
cutout approx. 70 x 40 mm (W x H),
for displaying the volume flow, differential pressure,
contamination degree or level
and for setting the switchpoint, K factor, measuring range limits
and other settings
cutout approx. 70 x 40 mm (W x H),
for displaying the volume flow, differential pressure,
contamination degree or level
and for setting the switchpoint, K factor, measuring range limits
and other settings
K factor
1 to 3000 (adjustable)
Units
m³/ s, m³/ min, m³/ h, l/ s, l/ min, l/ h, %, cm (adjustable)
Max. value displayed
999999