Ohaus ST10T-B TDS Pen Meter, Waterproof, 0-1000 mg/L auspowers_batchfive with the extra Extension strap

with the extra Extension strap

2 mm Radiating Element material Stainless Steel UHF NMO Antenna VHF NMO Antenna Dual Band NMO Antenna HYS TCJ-N2 NMO Clip HYS NMO Magnetic Base HYS TCJ-N1 NMO Clip VSWR < 1

the diameter of screw head: 6mm

or as an external power using the AC-to-DC adapter and battery

Tablet(Blue)

Ohaus ST10T-B TDS Pen Meter, Waterproof, 0-1000 mg/L auspowers_batchfive with the extra Extension strapOhaus ST10T B TDS Pen Meter, 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 forward results time