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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
–4...+122 °F (temperature-compensated +32...+122 °F)
Pressure connection
with connection nozzles for pressure hose Ø 0.24 in
Type of pressure
differential pressure
Pressure range
±1000Pa
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
AWG 16 - 26 via terminal screws
Cable gland
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 0.4 in
max. inner diameter 0.4 in
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
Temperature drift values
± 0.1 % of final value/ °C
Accuracy
(1000 Pa): typically ± 10 Pa at +25 °C
compared to the calibrated reference device
compared to the calibrated reference device
Linearity
< ± 1 % of final value
Accuracy, pressure
± 10 Pa
Air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
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)
Measuring range pressure
0 ... +0.4 inWC / -0.4 ... +0.4 inWC
0 ... +1.2 inWC / -1.2 ... +1.2 inWC
0 ... +2.0 inWC / -2.0 ... +2.0 inWC
0 ... +4.0 inWC / -4.0 ... +4.0 inWC
0 ... +1.2 inWC / -1.2 ... +1.2 inWC
0 ... +2.0 inWC / -2.0 ... +2.0 inWC
0 ... +4.0 inWC / -4.0 ... +4.0 inWC
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)
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016)
Housing dimensions
2.8 x 2.5 x 1.5 in (Tyr 1)
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