This digital pen style pH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage etc. All inspection qualified before shipment.Calibration need not required, it can be used immediately.Please be sure to calibrate with buffer solution before use(Long time no use).
— Immerse the tester up to the maximum immersion level in the PH 4 or 6.86 buffer solution. (Package Includes 2 pack of PH substance which makes 250 ml buffer solutions, PH 4 or PH 6.86).
— Allow the reading to stablilize and using the small screwdriver adjust the calibration trimmer to reading 6.9
- This digital pen style pH meter is an ideal instrument for anywhere you may need to test pH levels.
- Very accurate and durable. Measuring pH Range: 0.0 – 14.0 pH. Resolution: 0.1 pH.
- Accuracy: 0.1 pH (20C), 0.2 pH. Operating Temperature: 0 – 50C (32 – 122F).
- Size: 6″ x 1″ x 5/8″;
- Meter comes with protective plastic case, PH 4.00 and PH 6.86 buffer solution, and calibration screwdriver