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Air Quality Transducer for CO2, mixed gas VOC, humidity, temperature, atm./bar. air pressure for surface mounting, with display, with changeover contact, 0-10 V or 4-20 mA

Air Quality Transducer for CO2, mixed gas VOC, humidity, temperature, atm./bar. air pressure for surface mounting, with display, with changeover contact, 0-10 V or 4-20 mA

Ursprünglicher Preis war: 969,40 €Aktueller Preis ist: 193,88 €.

SKU SK0120361-U Category Tag

24-Stunden-Versandgarantie

Bis zu 30 Tage für Rücksendungen

  • CO2, VOC, r.H., °C, mbar
  • 0-10 V, 4-20 mA, relay
  • protection type IP65
  • hinge lock technology


    • low“, „medium“ and „high“.

    Measurement range atm. air pressure: 750-1150 mbar
    Measurement range temp.: -30…+70°C, -20…+80°C, 0…+50°C, 0…+100°C selectable by DIP switch
    Measurement range abs. humidity: 0-50 g/m³, 0-80 g/m³ (calculated) selectable by DIP switch
    Measurement range bar. air pressure: 750-1150 mbar
    Measurement range CO2: 0-10000 ppm, scales: 0-2000/5000/10000 ppm
    Measurement range air fuel ratio: 0-50 g/kg, 0-80 g/kg (calculated) selectable by DIP switch
    Measurement range r.H.: 0-100% r.H.
    Measurement range dew point: -20…+50°C DP, -20…+80°C DP, 0…+50°C DP (calculated) selectable by DIP switch
    Measurement range VOC: 0-100% (good / bad air quality, referring to the calibration gas)
    Scales: 0-2000/5000/10000 ppm
    Accuracy: CO2: 0-2000 ppm: ±50 ppm + 2% f. mv, 0-5000 ppm: ±50 ppm + 3% f. mv, 0-10000 ppm: ±100 ppm + 5% f. mv;VOC: ±15% FS;Humidity: ±3% r.H. (30%…70% r.H., else ±5% r.H. at 20°C);Temperature: 0,5 K (at 15…35°C, else ±1 K);all specifications at 20°C, 45% r.h., 1013 mbar, auto-calibration ON;
    Temperature dependency: CO2: ±5 ppm / K, Humidity: ±0,04% r.H. / K; Temperature: ±0,1°C / 10 K
    Long term stability: ±1% FS/year
    Sensor: CO2: nondispersive infrared sensor (NDIR); VOC: metal oxide sensor; Humidity/Temperature: capacitive humidity sensor, Air pressure: piezoresistive on-chip silicon sensor
    Sensor protection: sinter filter, mounted inside housing
    Supply voltage: 24 V AC/DC (±5%)
    Current consumption at 0-10 V: Ø 100 mA
    Current consumption at 4-20 mA: ca. 200 mA
    Analogue output 0-10 V: 3-wire connection
    Analogue output 4-20 mA: 3-wire connection
    Alarm output: 1 x potential-free change-over contact, 48 V, 1 A
    Switching Hysteresis Relay: 0,02
    Electrical connection: screw terminals max. 1,5 mm²
    Display: LCD display with backlight
    Automatic calibration: The automatic CO2/VOC calibration takes place every 7 days, this compensates for any drifts and achieves excellent long-term stability. To ensure this function, the device must be supplied with power for at least 7 days without interruption and ventilated once with fresh air (CO2 300…400 ppm) for approx. 10 minutes within this period.For the CO2 calibration, the device saves the minimum CO2 value measured during this period internally. After 7 days, this minimum value is normalized to 400 ppm CO2 and the output signal corrected accordingly. The maximum correction is limited to half of the determined drift. If the measured value falls below approx. 300 ppm, the calibration is initialized to 400 ppm.The automatic calibration can be deactivated and performed manually if necessary.
    Pressure dependency: CO2: air pressure compensated
    Running-in time: 10 min
    Initial operation: After switch-on of the device follows a self-test and the tempering, which takes ca. 10 minutes depending on the environmental conditions. At this time the analogue output drifts from the actual measurement value.
    Cable gland: M16x1,5 high-strength cable gland with strain relief
    Housing: ABS housing with hinge closure, colour light grey like RAL 7024
    Dimensions: Housing: L 150 x W 80 x H 62 mm
    Protection type: IP65 (housing), IP54 (probe)
    Protection class: III
    Working range r.H.: 0…98% r.H. in contaminant-free, non-condensing air
    Working temperature: 0…+50°C
    Manual calibration: The manual calibration of the output signal to 400 ppm (CO2 zero point) respectively 1 V (VOC zero point) will be started by pushing the button on the circuit board (push ca. 5 s until „CAL“ appears in the display). Before this it is to ensure a non-stop operating of min. 10 minutes on fresh air. After successful calibration „CAL“ disappears from the display.
    Storage temperature: -20…+50°C
    Installation: screw fastening
    Approvals: CE, EAC, RoHS

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