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Multi-sensor Modbus AMS04-MODBUS LCDThe maintenance-free microprocessor-controlled AMSxx-MODBUS measuring device combines a large number of measured variables in various possible combinations. It is the perfect device to realize a demand-oriented air conditioning considering the relevant measured variables. Possible are combinations for the measurement of humidity & temperature, carbon dioxide, carbon monoxide, air quality (VOC), fine dust, atmospheric / barometric air pressure and differential pressure.
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Measuring accuracy, CO ±10 ppm + max. ±5% v. MW (@ 50%r.H. / 20°C / 1013mbar) Measuring range (PM) Measuring range, CO 0...1000 ppm Sensor, CO electrochemical gas sensor Voltage supply 24 V DC (± 5%) Power consumption 150mA (depending on backlight) plus approx. 20mA/sensor (peak CO2 200mA, 50ms) Measuring range, humidity 0-100% r.H. Operating range, humidity 0...98% r.H., pollutant-free, non-precipitating air Deviation of humidity ±3% r.H. (30-70% r.H.); ±5% r.H. Temperature deviation ±0,5 K Measuring range, VOC 0...100% Measuring range, pressure -100...+100 /-500...+500 / -5000...+5000 Pa Measuring accuracy, VOC ±5 μg/m3 + max. ±4% EW (@ 20°C, 45% r.h., 1013 mbar) Sensor, VOC VOC sensor (metal oxide) (VOC = volatile organic compounds), with manual calibration (via zero button), with automatic calibration (can be deactivated via DIP switches) Measuring range, CO2 multi-range switching (selectable via DIP switches) 0...2000 ppm; 0...5000 ppm; 0...10000 ppm Sensor, CO2 optical NDIR sensor (non-dispersive infra-red technology) with automatic and manual calibration Temperature dependence, CO2 ±5 ppm / K Output Modbus RTU Measuring range Atmospheric/barometric air pressure: 500-1150 mbar Measuring accuracy, CO2 0...2000 ppm: ±50 ppm + 2% MW, 0...5000 ppm: ±50 ppm + 3% MW, otherwise: ±100 ppm + 5% MW (@ 50%r.H. / 20°C / 1013mbar, Autocal. = on) Measuring ranges CO2: 0..10 000ppm (optional 20 000ppm or 50 000ppm) Accuracy PM: ±5 μg/m3 + max. ±4% EW (@ 20°C, 45% r.F., 1013 mbar) Pressure dependence compensated with option selection air pressure sensor, otherwise 0.16% of measured value/hPa difference to 1013mbar Accuracy, pressure ±3 mbar Zero point offset by register Operating temperature -20...+50°C Storage temperature -20...+50°C Electrical connection Push-in terminal Housing PC UL with hinge locks, light gray Cable gland M 16 x 1.5; including strain relief Bursting pressure 5-fold measuring range Dimensions 150 x 80 x 62 mm Long-term stability ±1% EW/ Year VOC: ±5% EW/year (auto-calibration ON). Linearity ±1,0% EW Protection class III (according to EN 60 730) Protection type IP 65 Protection type (sensor) IP20 DOWNLOADS |