CO air quality sensor for ducts with measurement range switch

CO-K/A


  • 0-200/500/1000 ppm

  • 0-10 V, 4-20 mA, changer

  • optional lcd display

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Commodity Group 2

SKU CO Output CO Version Price € net / gross * Availability Qty Action
CO-K/A-UIR 0-200/500/1000 ppm 0-10 V, 4-20 mA, change-over contact without display
Excl. Tax: €240.89 Incl. Tax: €279.43
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CO-K/A-I 0-200/500/1000 ppm 4-20 mA without display
Excl. Tax: €230.29 Incl. Tax: €267.14
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CO-K/A-UIRD 0-200/500/1000 ppm 0-10 V, 4-20 mA, change-over contact with display
Excl. Tax: €293.95 Incl. Tax: €340.98
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CO-K/A-UI 0-200/500/1000 ppm 0-10V, 4-20 mA without display
Excl. Tax: €230.29 Incl. Tax: €267.14
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CO-K/A-UID 0-200/500/1000 ppm 0-10V, 4-20 mA with display
Excl. Tax: €283.35 Incl. Tax: €328.69
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Measurement range CO 0-1000 ppm
Scales 0-200/500/1000 ppm
Accuracy ±5 ppm + max. ±5% f. mv (at 20°C, 50% r.H.)
Temperature dependency CO: ±2 ppm / K
Running-in time 1 min
Response time (t90) < 5 min
Long term stability ±1% FS/year
Sensor Electrochemical sensor
Sensor protection sinter filter
Supply voltage 24 V AC/DC (±5%)
Current consumption max. 100 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 2% FS (without Display), 0,5...5% FS adjustable (with Display)
Electrical connection screw terminals max. 1,5 mm²
Housing Polycarbonate PC UL 94 V0 with hinge locks, color signal white similar to RAL 9003
Cable gland PG11 high-strength cable gland with strain relief
Display optional LCD display with backlight on/off/auto
Material Protection tube: stainless steel V2A
Dimensions Housing: L 89 x W 80 x H 47 mm, Protection tube: Ø 25 x 190 mm
Protection type Housing/electronic: IP65, Sensor: IP30
Protection class III
Working range r.H. 0...98% r.H. in contaminant-free, non-condensing air
Working temperature 0...+50°C
Storage temperature -20...+50°C
Initial operation After switch-on of the device it runs a self-test and the zero-point calibration. This process takes, depending on ambient conditions, about 1 minutes. Within this time, the linear output signal deviates from the actual measured value.
Installation mounting flange (in scope of delivery)
Approvals CE, EAC, RoHS

The duct air quality sensor CO-K/A registers the CO concentration in the air in the environment in the range of 0-1000 ppm via an electro-chemical sensor and converts this measured value into a linear output signal 0-10 V respectively. 4-20 mA. As an option the air quality sensor has a potential-free changeover contact and a backlit display. The display content can be rotated in 90° steps using a menu and the measured value, the switching threshold set, the state of the relay, the MIN/MAX measured values for the selected intervals (1 h / 6 h / 12 h / 24 h) etc. can be read out.
3 different measuring ranges can be selected 0-200 ppm, 0-500 ppm, 0-1000 ppm which can be switched, according to requirements, by the innovative DIP switching technology.