Waterproof Water Tester Oxidation ATC mV 3 in 1 pH / ORP / Temperature Meter

69-E ORP Meter Redox Tester 

Technical Specification:

Measuring range:0~±1999mV

Accuracy: ±5mV

Resolution:1 mV

Display:4-digital LCD

Power Supply:4×1.5V(AG13 button cell)

Operating Temperature:0℃~50℃

Dimensions:188×35×35(mm3)

Weight:118g

ph orp meter

Operation Information

1.Remove the protective cap.

2.Turn the meter on by pressing the ON key.

3.Immerse the electrode in the solution to be tested.

4.Stir gently and wait for the reading to stabilize.

5.Press the "HOLD" key,the reading is be kept .When repeat measuring.please press the 'HOLD"key again .it automatically relieves the hold condition.

6.After use,turn the meter on by pressing the OFF key ,Rinse the electrode with distilled water to minimize contamination.Replave the protective cap after use .

Notes:It is waterproof design,with replaceable electrode.

 ph orp meter

Calibration:

ph orp meter

1.Immerse the meter in the distilled water,Activate it after a few hours.

2.Immerse the meter in the calibration solution,And stir it gently.

3.Regulate the trimmer with a screwdriver until LCD screen for 265mV.

4.Rinse the electrode with distilled water,and suck it with filter paper.

ph orp meter

Battery Install:

ph orp meter

If the meter can not be switched on or the display fades.please check the voltage of power supply(replave the betteries when the voltage is lower than 4-4.5V).Pay attention to the polarity of battery when replacing batteries.