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OHAUS now delivers a line of pen meters that are durable, practical and affordable. Starter pen meters - the portable solution for on-the-go measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, total dissolved solids (TDS) and dissolved oxygen (DO). (Note: Please indicate CAT# when requesting a quote)
Versatile Portable Meters for Lab and Field Use Starter 300 pH Meter Starter 400D Dissolved Oxygen Meter Starter 300C Conductivity Meter Starter 300D Dissolved Oxygen Meter
TPS Instruments distributes products from TPS Australia. TPS Australia manufactures water testing instrumentation for various properties.