Apera Instruments PH60 Series - ORP Measurement; Technical Specifications; Other Specifications

10
7.3.6 Factory default setting (P7)
Select “Yes” to recover instrument calibration to the theoretical value (pH value in zero potential is
7.00pH, slope is 100%), parameter setting return to initial value. This function can be used when
instrument does not work properly in calibration or measurement. Calibrate and measure again
after recovering the instrument to factory default status.
8 ORP Measurement
ORP stands for Oxidation-Reduction Potential. ORP is a measure of the cleanliness of the water &
its ability to break down contaminants. Refer to Section 11 to replace ORP probe (sold separately,
SKU: AI1207), press key to enter ORP mode. Rinse the probe in distilled water and dry it. Dip
the probe in sample solution, stir gently, and allow it to stand still until a stable reading is reached.
Record readings after appears and stays.
9 Technical Specifications
pH
Measuring Range
-2.00 – 16.00 pH
Resolution
0.01pH
Accuracy
±0.01pH ±1 digit
Calibration Points
1 – 3 points
Automatic Temperature
Compensation (ATC)
0 – 50˚C (32 – 122˚F)
ORP
(mV)
Measuring Range
± 1000mV
Resolution
1mV
Accuracy
±0.2% F.S
Temp.
Measuring Range
0 – 50˚C (32 – 122˚F)
Resolution
0.1˚C
Accuracy
±0.5˚C
10 Other Specifications
LCD
3-color LCD screen,
Blue: Measurement; Green: Calibration; Red: Alarm
Reading Lock
HOLD
Low-Voltage Warning
Flashing, reminder of battery replacement needed
Auto. Power-Off
In 8 minutes without operation