Instrument introduction:

Features:

● Simple design, simple operation －－ST The series of test pens are designed in a simple and elegant manner. Battery installed ； The electrode head is soaked in a wet environment in the protective cap and can be used at any time without any additional operation.

● Sturdy housing, reusable －－ST Series test pen housing is sturdy, button battery is easy to replace； Automatic shutdown without operation for 6 minutes, ensuring longer use. The electrode head is replaceable.

● Waterproof and dustproof design －－ST The series of test pens are IP67 Waterproof and dust-resistant design, standard wrist strap to prevent accidental falls. All products are in compliance CE and FCC(Part 15 Class B)Relevant regulations.

pH Test pen ST10, ST20

pH The measurement field is very wide. Two models ST10 and ST20 Applicable to different precision requirements.

● ST20 Can be calibrated, with temperature testing and temperature replenishment, with higher accuracy； With reading locking function. Regular calibration is recommended to ensure accuracy.

● pH The electrode head is a glass product that is prone to damage and requires correct maintenance and storage to have a long service time and ensure the accuracy and reliability of the measurement results.

● pH The electrode head is replaceable, and the replacement operation is extremely simple.

● All products have been calibrated before leaving the factory.

Note: The electrode head needs to be moistened and stored. If the solution in the electrode head protection cap has dried, please add electrode protection solution. (3M KCl)。