Ohaus ST20T-B TDS Pen Meter with Temperature, Waterproof, 0-1000 mg/L auspowers_batchone please dry it to extend

please dry it to extend the life of the seasoning bottle

unit is ready for work

Red Laser Pointer A red laser pointer that's easy to see against most backgrounds

With built-in 2 MB memory

but as a protective cover

Ohaus ST20T-B TDS Pen Meter with Temperature, Waterproof, 0-1000 mg/L auspowers_batchone please dry it to extendOhaus 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