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G
PREMASGARD
®
ALD
PREMASGARD
®
ALD measures the atmospheric pressure within a range of 850 - 1150 mbar and converts it into a standard signal
of 0 -10 V or 4 ... 20 mA respectively. The sensor system is designed for measurements in clean air and other non-aggressive,
non-condensing gaseous media. Applications of this pressure sensor are for example in ventilation and air conditioning technology,
air pressure dependent control systems, meteorological measurement stations and climate observation units. The pressure sensor
excels by its high accuracy, long-term stability and reliability. A device variant with additional display for pressure reading is available.
TECHNICAL DATA:
Power supply: ........................ 5 ... 36 V DC at I -variant
24 V AC (half-wave rectification) at U -variant
Output signal: ........................ 0 -10 V or 4 ... 20 mA
Current consumption: .............. max. 20 mA (at 24 V DC)
Electrical connection: .............. 2- or 3-wire connection
Medium: ............................... clean air and other non-aggressive, non-combustible gases
Type of pressure: .................... atmospheric pressure ⁄ absolute pressure
Measuring range: .................... 850 - 1150 mbar / 750 - 1250 mbar (selectable via DIP switches)
Max. pressure: ....................... 2000 mbar
Accuracy: .............................. ± 1.5 % of final value (at 20°C)
Long-term stability:................. ± 0.5 % of final value per year
Linearity: .............................. ± 0.5 % of final value
Temperature drift values: ......... ± 0.5 % of final value per 10 K
Hysteresis: ............................ ± 0.1 % of final value
Ambient temperature: ............. - 10 ... + 50 °C
Operating range: .................... 10 ... 95 % r.H.
Storage temperature: .............. - 20 ... + 50 °C
Turn-on time: ......................... < 1 min
t
90
: .....................................
0 s ⁄ 1 s ⁄ 5 s ⁄ 10 s
(selectable via DIP switches)
Enclosure: ............................. plastic, material polyamide, 30 % glass-globe-reinforced,
with quick-locking screws (slotted ⁄ Phillips head combination),
colour pure white (similar RAL 9010), enclosure cover for display is transparent!
Enclosure dimensions: ............. 72 x 64 x 37.8 mm (Thor III without display)
72 x 64 x 43.3 mm (Thor III with display)
Cable gland: ........................... M 16 x 1.5 ; including strain relief, exchangeable,
max. inner diameter 10.4 mm
Electrical connection: .............. 0.14 - 1.5 mm², via terminal screws
Humidity: .............................. < 95 % r.H., non-precipitating air
Protection class: .................... III (according to EN 60 730)
Protection type: ..................... IP 65 (according to EN 60 529)
Standards: ............................ CE conformity, electromagnetic compatibility
according to EN 61 326 + A1 + A2, EMC directive 2004 ⁄ 108 ⁄ EC
Features: ..............................
illuminated single line display,
cutout 36 x15 mm (W x H)
indicating atmospheric pressure ⁄ absolute pressure
Conversion table for pressure values:
Unit =
bar
mbar
Pa
kPa
mH
2
O
1 Pa
0.00001 bar
0.01 mbar
1 Pa
0.001 kPa
0.000101971 mH
2
O
1 kPa
0.01 bar
10 mbar
1000 Pa
1 kPa
0.101971 mH
2
O
1 bar
1 bar
1000 mbar
100000 Pa
100 kPa
10.1971 mH
2
O
1 mbar
0.001 bar
1 mbar
100 Pa
0.1 kPa
0.0101971 mH
2
O
1 mH
2
O
0.0980665 bar
98.0665 mbar
9806.65 Pa
9.80665 kPa
1 mH
2
O
Type ⁄ WG2
Measuring Range
(adjustable)
Output
Display Item No.
ALD - I
I - variant
A L D -I
850 - 1150 mbar ⁄ 750 - 1250 mbar
4 ... 20 mA
1301-1152-0080-100
A L D -I-DISP L AY
850 - 1150 mbar ⁄ 750 - 1250 mbar
4 ... 20 mA
■
1301-1152-1080-100
ALD - U
U - variant
A L D -U
850 - 1150 mbar ⁄ 750 - 1250 mbar
0 - 10 V
1301-1151-0080-100
A L D -U_ DISP L AY
850 - 1150 mbar ⁄ 750 - 1250 mbar
0 - 10 V
■
1301-1151-1080-100
Summary of Contents for 1301-1151-0080-100
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