CO2/Temp/RH Monitor Tenmars TM-187A

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Sampling time	1 time/second
Interval time	1s~24hrs
Output interface	From one of the three interfaces, RS485/RS-232/USB
Analog output	4-20mA Output (RL≦250Ω)
Dry contact (Relay Switch)	Contact: Max. 1A@30Vdc Resistive load
Power	24Vac/Vdc±20%(50~60Hz) or 9-15V Adaptor
Power consumption	≦ 7W
LED display	214x120mm (8.4×4.73inch)
Weight	Approximately 1000 grams
Dimensions	260(length) X 178(width) X 47(height)mm

Temperature

Type	Diode
Range	-20°C~70°C/-4°F~158°F
Accuracy	±1ºC(5ºC~60ºC) ; ±2ºF(41ºF~140ºF) ; Other ranges ±2ºC/±4ºF
Resolution	0.1°C/0.1°F (0~35°C/32°F~95°F); 1°C/1°F (over 100°C/°F or below-10°C/°F)
Response Time	Typ.1 second

Relative Humidity

CO2 (TM-187A only)

Type	Non-dispersive infrared (NDIR)
Range	1 to 9999ppm
Accuracy	±5% of reading or ±70ppm (0-2000ppm, others out of scale range)
Resolution	±1ppm
Response Time	Typ.2 minutes by 90%

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