omnhsdrt- Water Quality Tester LCD Display Waterproof Pen ORP Meter Practical Water Quality Testing Pen for Drinking Water Protective Cover

Data lock function makes it very convenient to save and record the measurement data. And the IP55 waterproof design allows it to be used for a long time.

The calibration function makes the measurement very accurate and reliable. Wide range of applications allows it to be used to test water quality in many different scenarios.

Made of ABS material, it is very durable to use.

The length of these two testers is 18.8cm, the width is 3.5cm and the height is 3.5cm.

It is ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer making, etc.

Item Name: Pen ORP Meter

Material: ABS

Color: Green

Resolution: 1mV

Accuracy: ±5mV

Calibration: 1 Point Calibration

Measuring Range: 0-±1999mg/LmV

Working Voltage: 4 x 1.5V Button Battery (Not Included)

Features: Calibration Function, Data Hold, High Accuracy

Working Temperature: 0 Degree Celsius-50 Degree Celsius

Size Details:

Size: 18.8cm x 3.5cm x 3.5cm/7.4" x 1.38" x 1.38" (Approx.)

Notes:

Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

Please allow slight dimension difference due to different manual measurement.

How to Use:

1. Immerse the meter in distilled water. Activate it for about a few hours.

2. Immerse the meter in 265mV calibration solution and stir gently.

3. Let the reading stabilize and use a small screwdriver to turn the calibration trimmer until the display shows "265".

4. Rinse the electrode with distilled water and blot dry with a paper towel. Note: The electrode of the instrument needs to be inserted into the saturated potassium chloride solution regularly (about 15 days) for several hours to ensure the accuracy of the measurement. Clean the electrode with alcohol.

Package Includes:

1 x Pen ORP Meter

1 x Screwdriver