SPECIFICATIONS
Range: 0 to ±999mV
Resolution:1 mV
Accuracy : ±5Mv
Environment: RH 95% max; 0 to 50°C (32 to 122°F)
Batteries: 4 x 1.5V alkaline(LR44)
Life: approx 150 hours of use
Dimensions :152x30x21 mm? (5.9x1.2x0.8")
Weight: 53 g


OPERATION
Remove the protective cap.
Do not be alarmed if white crystals
appear around the cap. This is
normal with ORP electrodes and
they dissolve when rinsed with water.
TO switch on the unit, slide the ’ON/OFF’ switch located on top of the tester to ‘ON’. If the unit was automatically shut OFF。 depress twice to switch ON.
Immerse into solution up to the max immersion level.
Stir gently and wait until the display stabilizes.
When the upper left side demonstrates” 0”, the expression value is a negative value.
After use, switch off ORP meter, use the water clean the electrode and replace the protective cap.
DO NOT USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSES.


BATTERY REPLACEMENT
When the meter cannot be switched on or the display fades, pull out the battery compartment and replace all
four 1.5V batteries, while paying attention to their polarity.
Batteries should only be replaced in a safe area using the battery type specified in this instruction manual.

 
     
   
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