hot sell LCD backlight ORP meter digital ORP pen test ORP value in
-1999v to 1999mV
·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.
·Turn the meter on sliding the switch on the top.
·Immerse into solution up to the max immersion level.
·Stir gently and wait until the display stabilizes.
·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.
·Large fluctuations in readings could be due to lack of
calibration, dry electrode or rundown batteries.
Attention :during 2-3 weeks, put electrodes in 3mol/L KCL solution
for 12 hours, to make sure the reading within accuracy
- 1*orp meter
- 3*LR44 battery
- 1*carry case
- 1*user manual
- 1*Screw Pen