The CO-250 detector is designed to detect increased concentrations of carbon monoxide (CO). It is mainly used in garages. Its connection is performed with two wires and its signal output is 4-20mA through which it is also powered.

 

Javljalnik strupenih plinov Zarja CO-250

Detection principle  electro-chemical
Operation  continuous
Gas entry  by diffusion through sintered cartridge
Measuring range  0-250 ppm CO
Repeatability  <= 3 ppm
Response time  < 60 s
Cross sensitivity  <= 2% to 250 ppm CO in accordance with VDI 2053
Linearity  <= 2% to 250 ppm CO in accordance with VDI 2053
Temperature range  -10 °C to +40 °C
Humidity  15-95% relative humidity
Power supply  20-28 Vdc
Output  4-20mA max. resistance of the connecting cable 300 E
Zero set-up  automatic
Sensitivity set  up with a potentiometer at a known concentration of CO
EMC  in accordance with EN 50081-1 and EN 50082-2B
Storage temperature  0-20 °C
Protection  IP 65
Mounting  wall mounted
Mounting height 1.5 to 1.8m from the ground
Coverage area  up to 500m (depending on the application)
Dimensions (H x W x D)  80 x 82 x 55mm
Weight  160g
Certificate  TUV 556478 (20 July 2005)
Javljalnik strupenih plinov Zarja CO-250 - priključne sponke