Waterproof Digital Orp Meter

To cater the variegated demands of our precious clients, our organization known as a leading Exporter, Manufacturer & Supplier of Waterproof Digital ORP Meter in Guangzhou, Guangdong, China.
SPECIFICATIONS
Range: -1999 to 1999mV
Resolution: 1mV
Accuracy : A 5 mV
Batteries :4 x 1.5V alkaline
Environment: 0 to 50a ,RH 95% max;
Dimensions :175x41x23mm
Weight :72g
OPERATION
a cRemove 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.
a cTurn the meter on sliding the switch on the top.
a cImmerse into solution up to the max immersion level.
a cStir gently and wait until the display stabilizes.
a cAfter 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.
a cLarge 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.

BATTERY REPLACEMENT
If calibration can not be performed or the display fades, batteries must be replaced. Slide off the battery compartment cover and replace all four 1.5V alkaline batteries, while paying attention to the correct polarity.
Batteries should only be replaced in a non-hazardous area and using the battery type specified in this instruction manual.