Sper Scientific 850074 Humidity Probe - Manual (Page 3)

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III. MEASUREMENT PROCEDURES
•
Plug probe into the PROBE INPUT SOCKET.
• Make sure the PROBE LOCK is in the lock position
• Turn on the instrument by pressing the POWER button.
• Place the PROBE HEAD into the environment to be measured.
• The RH results are displayed on the LCD.
• Press the °C/°F (A) button to select Centigrade or Fahrenheit. The
temperature is on the bottom-right of the LCD.
Refer to the Environmental Quality Meter 850071 Instruction Manual for
complete instructions about Hold, Max./Min, RS232, Auto Shut Off, and
other functions.
IV. SPECIFICATIONS
Unit of
Measure
Range Resolution Accuracy
RH (probe) 10% to 95% 0.1%
>70% RH to ±(3%
reading + 1% RH)
<70% RH to ±3% RH
ºC 0 ~ 50
0.1
±0.8º
ºF 32 ~ 122 ±1.5º
Humidity Sensor High precision thin-film capacitance sensor.
Temperature Sensor Precision thermistor.
Operating Temperature 0°C to 50°C (32°F to 122°F).
Operating Humidity (Meter) Max. 80% RH.
Probe Size Probe head diameter: .1" (25mm).
Probe length: 6.3" (160mm).
Refer to the Environmental Quality Meter 850071 Instruction Manual for
meter specifications.