18
Humidity Calibration Procedure
In order to calibrate the meter humidity calibration standards are required
(REED R9933, R9975 or R9980). if the meter has been exposed to
extreme conditions or it has not been used in a long period of time the
meter should be calibrated by following steps 1 through 5 below.
1. While in normal %RH measurement mode, hold the
SET
and
LOG
buttons simultaneously for approx. 2 seconds to enter the calibration
mode of %RH.
2. The LCD display will show the same relative humidity measuring
value along with the %RH symbol.
3. Press the and buttons to adjust the upper display until it
matches the %RH Humidity Calibration Standard.
4. Once the calibration is complete, press "REC" button to save the
calibration value into the memory which will flash confirming it has
been saved.
5. Press the
NEXT
button twice to exit the calibration mode and
resume normal operation.
Note:
At any time, you can press the
ESC
button to exit the calibration
mode and resume normal operation.
Data Stream Output
Using Terminal application, a data stream can be viewed from the RS-232
output, connect RS-232/USB cable between the product and terminal/PC
and use the following setting to view the data stream.
Terminal Settings:
• Bits per second: 9600
• Data bits: 8
• Parity: none
• Stop bits: 1
continued...
REED Instruments
1-877-849-2127 | [email protected] | www.reedinstruments.com
