YIERYI Range:0~1999mg/LmV Digital Handheld ORP Tester ORP Meter ORP-B Water Hydroponics

Specifications:

• Pen type ORP Tester|ORP Meter|ORP Pen
• Range: 0~±1999mg/LmV
• Resolution: 1mV
• Accuracy : ±5 mV
• Batteries :4 x 1.5V alkaline(Included)
• Environment: 0 to 50°C,RH 95% max
• Calibration :1point
• Dimensions :175x41x23mm
• Weight :72g
   

• 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.

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Packing List:

• 1 * ORP Meter
• 1 * Screw Driver
• 1 * Instruction Manual