Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, make it the standard in EC and TDS measurement.

This pen is waterproof and has a replaceable probe.

Data Ranges and product codes:

HI98311: EC 0 to 3999 μS/cm --- TDS 0 to 2000 ppm by 1ppm

HI98312: EC 0.00 to 20.00 mS/cm --- TDS 0.00 to 10.00 ppt

The pHep's ease-of-use in combination with its affordability made it possible for non-technical and technical personnel alike to measure pH on the spot. The HI98127 waterproof pH tester is accurate and inexpensive, and good for use in a wide range of applications.

Range: pH -2.0 to 16.0 pH by 0.1

Part Number: HI98127

Hanna Instruments is the market leader in agriculture meters and probes. Humboldt Wholesale has a complete line of Hanna products for the indoor and outdoor gardener. Hanna makes everything, from simple pH pens to industrial Lux, ORP, TDS and EC meters.