Meters

1213U81 (WD-35640-80): Includes two complete membrane cap assemblies and 50mL of electrolyte solution. 1213U80 (WD-35640-72): Replacement membrane assembly consists of a preassembled membrane, membrane lock, O-ring, and cap.

Stores up to 25 data sets Waterproof to IP67 Adjustable salinity compensation The PockeTester dissolved oxygen tracer offers oxygen level displayed as % saturation from 0 to 200.0% or concentration from 0 to 20.

Oakton&reg probes use galvanic technology to provide rapid results, without any warm-up requirements for field use or economical polarographic technology for BOD use. Includes 50mL of electrolyte solution and one replacement membrane cap.

Oakton&reg probes use galvanic technology to provide rapid results, without any warm-up requirements for field use or economical polarographic technology for BOD use. Includes 50mL of electrolyte solution and one replacement membrane cap.

Oakton&reg probes use galvanic technology to provide rapid results, without any warm-up requirements for field use or economical polarographic technology for BOD use. Includes 50mL of electrolyte solution and one replacement membrane cap.

The Sper 850048 Combination Water Meter can Measure Dissolved Oxygen, pH, Conductivity, TDS, Salinity or Temperature Using Different Probes. This kit includes includes one conductivity/salinity probe.

Easy to use, rugged and reliable, the YSI Pro1020 provides everything you need in a handheld instrument for the measurement of dissolved oxygen, temperature and either pH or ORP. User-replaceable sensors and cables, 50 data set memory, and

The 60520 dissolved oxygen cables ONLY work with the YSI Pro Plus and Pro20 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters.

The 60520 dissolved oxygen cables ONLY work with the YSI Pro Plus and Pro20 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters.

The 60520 dissolved oxygen cables ONLY work with the YSI Pro Plus and Pro20 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters.

The 60520 dissolved oxygen cables ONLY work with the YSI Pro Plus and Pro20 instruments. Cables can be ordered in lengths of 1-, 4-, 10-, 20-, and 30-meters.

The dissolved oxygen probes have been redesigned so that they are all the same diameter. As a result of this redesign the new probes have a narrower diameter than the old probes.