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Description
Pressure, differential pressure and volume flow measuring transducers
PREMASGARD® 211x
The calibratable compact pressure transmitters of the PREMASGARD® 211x series are equipped with 8 switchable measuring ranges, 2 switchable output signals (16 devices in one), with or without optional display, and are used for measuring above-atmospheric, belowatmospheric, or differential pressures and volume flow in air. The piezoresistive measuring element is temperature-compensated and guarantees a high degree of reliability and accuracy.
These pressure transducers have a pushbutton for manual zero-point calibration and an adjustable offset. Applications 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 sensor devices are air (non-precipitating) or other gaseous, non-aggressive, non-combustible media. The differential pressure transmitters are supplied including our ASD-06 connection set (2 m connection hose, two pressure connection nipples, screws).
Technical details
Voltage supply
24 V AC/ DC (± 10 %)
Power consumption
< 1 W at 24 V DC; < 2 VA at 24 V AC
Working resistance
Ra (Ohm) = 25 ...450 Ohm for I variant
Load resistance
RL > 25 kOhm for U variant
Output
0 -10 V or 4...20 mA (selectable via DIP switches)
Connection type
3-wire connection
Measuring function
Differential pressure, volume flow (square root output signal)
Current consumption
< 45 mA
Measuring ranges
multi-range switching with 8 switchable measuring ranges
Media temperature
–20...+50 °C (temperature-compensated 0...+50 °C)
Pressure connection
with connection nozzles for pressure hose Ø 6 mm
Pressure range
±100Pa
Type of pressure
differential pressure
Zero point offset
± 5 % of final value
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
Electrical connection
0.14 - 1.5 mm² via terminal screws
Cable gland
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
max. inner diameter 10.4 mm
Long-term stability
± 1 % per year
Hysteresis
0.3 % of final value
Media contacting parts
Brass, Ni, Duroplast, Si, epoxy, RTV, BSG, UV silicone gel
Accuracy
(100 Pa): typically ± 3 Pa at +25 °C
compared to the calibrated reference device
compared to the calibrated reference device
Temperature drift values
± 0.1 % of final value/ °C
Accuracy, pressure
± 3 Pa
Linearity
< ± 1 % of final value
Air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Measuring range pressure
0 ... +50 Pa / -50 ... +50 Pa
0 ... +100 Pa / -100 ... +100 Pa
0 ... +100 Pa / -100 ... +100 Pa
Protection type
IP 67 (according to EN 60 529) Housing tested,
TÜV SÜD, Report No. 713139052 (Tyr 1)
TÜV SÜD, Report No. 713139052 (Tyr 1)
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
72 x 64 x 43.3 mm (Tyr 1 with Display)
Standards
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
Features
two-line display with illumination,
cutout approx. 36 x 15 mm (W x H), to display ACTUAL pressure
cutout approx. 36 x 15 mm (W x H), to display ACTUAL pressure