EZDO CHT-187D RH/Temperature/CO2 Monitor (5-95%RH, -20~70°C; Data logger)

Relative Humidity

Type: Capacitive

Range: 5-95%

Accuracy: ±5.0% RH (20~80); ±8 0RH (<20%,>80%)

Resolution: 0.1%

Response time: Typ.4 seconds

Temperature

Type: Diode

Range: -20°C~70°C/-4°F ~158°F

Accuracy: ±1.0°C (5-60°C), other ±2°C

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

CO2

Type: Non-dispersive infrared (NDIR)

Range: 1~9999 ppm

Accuracy: "±5% of reading or ±70 ppm; (0~2000 ppm, others out of scale range)"

Resolution: ±1 ppm

Response time: Typ.2 minutes by 90%

Sampling time: 1 time/second

Interval time: 1s~24hrs

Output interface: "From one of the three interfaces RS-485/RS-232/USB"

Analog output: 4~20mA (RL≤250Ω)

Dry contact (Relay Switch): Max.1A@30V DC Resistive load

Power: 12V DC 1A

Accessories: Temp+RH probe, Battery, AC/DC adaptor, Datalogging box, USB cable, Software, Gift box.