Ohaus ST20T-B TDS Pen Meter with Temperature, Waterproof, 0-1000 mg/L auspowers_batchone Precise and exquisiteThese inserts are

Precise and exquisiteThese inserts are made under strict standards

TH-K21A - NX-220

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2002 Suzuki Vitara

Ohaus ST20T-B TDS Pen Meter with Temperature, Waterproof, 0-1000 mg/L auspowers_batchone Precise and exquisiteThese inserts areOhaus 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