Especial Design for Parking Lot co Meter

Sensors

Gas Sensor

Electrochemical carbon monoxide sensor

Sensor lifetime

Normally more than 3 years, replaceable

Warm up time

1hour (first time)  

Response Time

Within 60 seconds

Signal Update

1s

CO Measuring Range

0~500ppm(default)/0~100ppm/0~1000ppm selectable

Accuracy

<1ppm+5%reading

Stability

±5% (over 900 days)

Temperature & Humidity Sensor (optional)

Temperature

Relative Humidity

Sensing element:

Band-gap-senor

Capacitive humidity sensor

Measuring range

-20°C~60°C

0 -100%RH

Accuracy

±0.5°C (20~40°C)

±4.0%RH (25°C, 15%-85%RH)

Display resolution

0.1°C

0.1%RH

Stability

±0.1°Cper year

±1%RH per year

Outputs

LCD Display (optional)

Display COmeasurement

or CO+ temperature& humidity measurements

Analog Output

1X0~10VDC or 4~20mA linear output

Analog Output Resolution

16Bit

Relay dry contact Output

Up to two dry-contact outputs

Max, switching current 3A (230VAC/30VDC), resistance Load

Modbus Interface

Modbus RS-485 with 19200bps(default), other rates selectable

in the order. 15KV antistatic protection

Electrical and General Items

Power Supply

24VAC/VDC              

Power Consumption

2.8W

Wiring Standard

Wire section area<1.5mm²

Working Condition

-10°C~60°C(14~140°F); 5~99%RH, non condensing

Storage Conditions

-10~60°C(14~140°F)/ 5~99%RH, non condensing

Net Weight

260g    

Manufacturing Process

ISO 9001 Certified

Housing and IP class

PC/ABS fireproof plastic material, protection class: IP30

Compliance

CE-EMC Approval