Select “Yes” to recover instrument calibration to theoretical value (pH value in zero potential is
7.00, slope is 100%), parameter setting return to initial value. This function can be used when
instrument does not work well in calibration or measurement. Calibrate and measure again after
recover the instrument to factory default status.
9.
Technical Specifications
Tester functions:
• Calibration points indication:
• Stable measurement:
• Reading value auto. hold: HOLD
• Self-Diagnostic Information: Er2
• Low-Voltage warning: flickering, reminder of battery replacement
• Three-color backlight:
• Blue—Measurement Mode; Green—Calibration Mode; Red color—Alarm
• Auto. Power-Off in 8 minutes without operation
10.
Electrode Replacement
Twist off the probe ring, unplug the probe, plug in new probe (pay attention to the electrode’s
position), and screw on the probe ring. The compatible model of replacement probe is ORP60-E.
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