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.

Salinity test pen ST10S, ST20S

Salinity is a common measure of saltwater or seawater； Please select the corresponding model according to the measurement needs.