TONO-PEN
CALIBRATION
The Pen should be calibrated if the batteries have been changed or if the LCD reads “CAL” followed by
“- - - -”.
Remember, calibration involves depressing the Operator Button TWICE and getting ONE
line (- - - -). To take a reading requires depressing the Operator Button ONCE and getting
TWO lines (====).
1. Point the transducer end straight down towards the floor.
2. Press the Operator Button “distinctly, two times, within 1.5 seconds.”
3. Initially “CAL” appears on the LCD, followed by “UP” (after about 15 - 30 seconds!)
4. Invert the transducer end to point straight up toward the sky.
5. A properly functioning Pen will display
“
”Good”.
If “bAd”, repeat the calibration again.
If this is all unsuccessful, options include
cleaning the tip (compressed air is recommended)
change the batteries. Use the little probe that came with the Pen to open the
battery compartment.
Tech Support
www.reichert.com
www.tonopen.us
1-888-849-8955
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