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详细说明

AERASGARD® AO2-U (LCD)

The measuring device detects the oxygen content O2 (0-25%) in the ambient air. The transmitter converts the measured value into a standardized, analog output signal 0-10 V.


As an option, the measuring instrument has a backlit, rotatable display and potential-free changeover contact. The version with backlit LCD display shows the measured values and in/max values.
The measuring instrument performs an automatic calibration at regular intervals, which ensures a long-term stable measurement. This can also be performed manually on the instrument at any time.
The oxygen meter is optimally suited for use in workplaces, medical facilities, HVAC applications, greenhouses


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Display
  1. Yes
  2. No
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Warranty
12 months
Voltage supply
24 V DC (± 5%)
Power consumption
Ø 50mA (depending on backlight, + peak option relay)
Operating range, humidity
0...98% r.H., pollutant-free, non-precipitating air
Operating range, temperature
0...+50 °C
Warm up time
10 min
Response time
< 10s
Output
0 - 10V, 3-wire connection
Measuring range
0...25% O2
Accuracy
± 0,2% vol. + max. ±0,5% EW (@ 20°C, 45% r.H., 1013 mbar)
Operating temperature
0...+50 °C
Storage temperature
-20...+50°C
Sensor
Electrochemical sensor
with manual calibration (via zero button) and
automatic calibration (fixed)

Sensor replacement recommended after 18 months
Manual calibration every 3 months, with automatic calibration switched off
Electrical connection
0.14 - 1.5 mm2 via terminal screws
Housing
Polycarbonate with hinge locks
Color signal white (similar to RAL 9003)
Cable gland
M 16 x 1.5; including strain relief
Dimensions
90,9 x 80 x 48mm
Long-term stability
±1% EW/ Year
±0,2% EW/ Year with auto calibration ON
Protection class
III (according to EN 60 730)
Protection type
IP 65


             DOWNLOADS

          Operating instructions.pdf


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