Ohaus ST20T-B TDS Pen Meter with Temperature, Waterproof, 0-1000 mg/L auspowers_batchfour The KM-IT1300 come with Dual

The KM-IT1300 come with Dual Laser

The KTK-200S

These hand and face refreshers are perfect for banquets

do not wash in dishwasher

Ohaus ST20T-B TDS Pen Meter with Temperature, Waterproof, 0-1000 mg/L auspowers_batchfour The KM-IT1300 come with DualOhaus ST20T B TDS Pen Meter with Temperature, Waterproof, 0 1000 mg L Ohaus pen meters provide accurate measurement of pH, oxidation reduction potential (ORP), conductivity, salinity and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement with no restriction. Each meter offers simple operation in a slim & portable design providing fast, straight