MS6503 HUMIDITY TEMPERATURE METER
Specifications:
According with IEC1010 STANDARD
Numerical display 4 LCD
Humidity: 0% - 100%RH
Temperature: -20°C - + 60°C, -4°F- + 140°F
Humidity resolution 0.1%RH at 25°C, temperature: +/- 0.1°C, +/- 0.1°F
Accuracy: Humidity +/- 2.5%RH AT 25°C, TEMPERATURE: +/- 0.7°C, +/- 1.4°F
Response time: Humidity 75 SEC TEMPERATURE 40 SEC IN SLOWLY MOVING AIR
RS-232 interface
Data Hold
MAX/MIN value measurement
AUTO Power OFF
Backlight
Power: one 9V battery 006P or Dimension: 183 X 74 X 33mm (METER), 208 X 15mm (SENSOR PROBE)
Weight: Approx. 330g
IEC 6F22 or NEDA 1604,9VDC/30mA
Minimum plug AC Adapter, Dia: 
3.5mm X 1.35mm