Apera Instruments PH60 Series - Battery Installation; Keypad Functions

3
1 Battery Installation
Please install batteries according to the following steps. * Note the direction of batteries:
The anode (“+”) OF EVERY SINGLE Battery MUST face UP.
(WRONG INSTALLATION OF BATTERIES WILL CAUSE DAMAGE TO THE TESTER
AND POTENTIAL HAZARDS
2 Keypad Functions
Short press: < 2 seconds
Long press: > 2 seconds
1. Short press to turn on the tester and long press to
turn off the tester.
2. When turned off, long press to enter parameter
setting.
3. In measurement mode, short press to turn on
backlight.
1. In measurement mode, short press to switch
parameter from pH → ORP (Oxidation Reduction
Potential), ORP probe sold separately.
2. In mode setting, short press to change
parameter (Unidirectional).
1. Long press to enter calibration mode;
2. In calibration mode, short press to confirm
calibration;
3. When measured value is locked, short press to
unlock.
+
+
﹣
+
+
﹣
① Pull the battery cap up
②
Slide the battery cap along to the direction of arrow
③
Open the battery cap
④
Insert the batteries (ALL POSITIVE SIDES FACING UP) (see graph)
⑤
Close the battery cap
⑥
Slide and lock the battery cap along to the direction of arrow
⑦
Fit the tester’s cap while making sure to push all the way down. The waterproof
feature may be compromised if the cap is not fitted correctly.