Ai Electronics Engineering GCH-2018 CO2 Counter

Manufacturer: Ai Electronics Engineering Co., Ltd.
Model: GCH-2018 (CO2 / Temperature / Humidity)

Features

Easy-to-read red LED display.
Equipped with analog output.

Applications

● Building air conditioning facility management (from office buildings to schools, museums, etc.)
● Air conditioning management for clean rooms and greenhouses
● Indoor environment measurement

Specifications

Co2	Measurement range	0-4,000 ppm
	Measurement accuracy	0~1,000ppm: ±40ppm 1,000~3,000ppm: ±5%read　 3,000~4,000ppm: ±250ppm
Temperature	Measurement range	0 to +50°C / 32 to 122°F
	Measurement accuracy	±0.8°C / ±1.5°F
Humidity	Measurement range	10-95%(Rh)
	Measurement accuracy	0~70%(Rh): ±3%(rh) / 70~95%(Rh): ±(3%read+1%(Rh))
Dew point temperature		-25.3～48.9℃ / -13.5～120.1°F
Display resolution		CO2: 1ppm / Temperature: 0.1℃, 0.1°F / Humidity: 0.1% (Rh)
Display		52 x 38 large LCD display (2 items displayed simultaneously)
Sensor Type		CO2: NDIR (Non-Dispersive Infrared) Temperature: IC sensor Humidity: IC sensor (capacitive type)
Data Output		USB cable (optional) or RS-232C cable
Alarm function		When the CO2 measurement exceeds a set value, an alarm will sound (the CO2 concentration at which the alarm is issued can be set).
Other features		Data hold function, maximum/minimum value readout function, CO2 correction function
power supply		6 x AA batteries
Dimensions/Weight		173(w) x 68(h) x 42(d) / 312g (including batteries)
Sensor Probe		CO2 sensor: 185(w) x 38(h) x 26(d) / 158g (cable 1m)
		Humidity sensor: 200(w) x 28(h) x 15(d) / 82g (cable 1m)
accessories		Main unit, CO2 sensor probe, RH sensor probe, 6 alkaline AA batteries, instruction manual, warranty card, hard case
option		AC adapter, USB cable, RS-232C cable, PC transfer software, traceability calibration certificate