407445 Datasheet, PDF (2/8 Pages) Extech Instruments Corporation. – Heavy Duty Hygro-Thermometer

Specifications
General Specifications
Display
Measurement
Data Hold
Sensor types
Memory Recall
Power off
Data Output
Sampling Time
Operating
Temperature
Operating Humidity
Power Supply
Power Consumption
Weight
Size
Dual function LCD display with contrast adjustment
Relative Humidity (RH) and Temperature (°C & °F)
Freezes Display
Humidity: Thin film, capacitance sensor
Temperature: Thermistor
Records/Recalls MAX, MIN, and Average readings
Automatic power off after approx 10 minutes of inactivity
RS 232 PC serial interface
Approximately 0.8 seconds
Instrument: 32 to 122°F (0 to 50 °C)
Probe: 32 to 140°F (0 to 60°C)
< 90% RH
9V battery
Approx. 8.5 mA DC
0.76 lbs. (345 g) including batteries & probe
Instrument: 7.1 x 2.8 x 1.3" (180 x 72 x 32mm)
Sensor head: 1” diameter x 6.3” (26mm x 160mm)
Range Specifications
Range
Resolution
Accuracy
RH 10% to 95%
RH
Temperature 32^οF to 122^οF
(0^οC to 50^οC)
0.1% RH
0.1^ο F/C
> 70% RH: ± 4% RH
< 70% RH: ± 3% RH
± 1.5 ^οF (± 0.8^οC)
Page 2
Model 407445 Version 2.2 February 2004