CityTech Carbon Monoxide CO sensor 4CM

CityTech Carbon Monoxide CO sensor 4CM

Model No.︰4CM Citicel

Brand Name︰City Tech

Country of Origin︰United Kingdom

Unit Price︰US $ 66 / pc

Minimum Order︰2 pc

Inquire Now

Product Description

 MEASUREMENT

Operating Principle3-electrode electrochemical

Detection Range0 to 2000 ppm

FilterTo remove acid gases

Filter Capacity> 20000 ppm hours

Sensitivity70 ± 15 nA/ppm

Response Time (T90)(for concentrations up to 500 ppm)≤10 s at 20°C

Recovery Time(from 100ppm down to <2 ppm)< 90 s (typically < 30 s)

Baseline Offset (clean air)< ±2 ppm CO equivalent

Baseline Shift: 

-40°C to -20°C < ±3 ppm CO equivalent

-20°C to +20°C < ±2 ppm CO equivalent

+20°C to +55°C Typically < +4 ppm (+9 ppm max.) 

Repeatability< ±2% CO equivalent

LinearityLinear up to 2000 ppm

ELECTRICAL

Resolution (Electronics dependent)<1 ppm typical

Recommended Load Resistor5 Ω

Bias VoltageNot required

MECHANICAL

Housing MaterialNoryl 110

Pin MaterialGold over nickel plated brass

Weight5 g (nominal)

Orientation SensitivityNone

ENVIRONMENTAL

Intended UsePortable detectors for most Life Safety applications

Operating Temperature Range-40°C  to +55°C

Temperature Coefficient:

at -40°C 45 to 65% of signal w.r.t. +20°C

at -20°C 73 to 82% of signal w.r.t. +20°C

at +55°C 105 to 111% of signal w.r.t. +20°C

Operating Pressure Range800 to 1200 mbar

Operating Humidity Range15% RH to 95% RH non-condensing

INTRINSIC SAFETY DATA

Maximum at 2000 ppm: 0.2 mA

Maximum o/c Voltage: 1.3 V

Maximum s/c Current: <1.0 A

LIFETIME

Expected Operating Life24 months in air

Price Terms︰ FOB Shenzhen

Payment Terms︰ T/T in advance

Packing︰ 10pcs/carton

Lead Time︰ in stock