Portable Dissolved Oxygen Meter – HI9146

The HI9146 is a rugged, portable dissolved oxygen (DO) meter designed to provide laboratory precision and accuracy under harsh environmental and industrial conditions. This meter offers many features including automatic calibration, with auto-endpoint detection, and compensation for temperature, salinity, and altitude. The HI9146 is supplied complete with polarographic probe, PTFE membrane caps, electrolyte fill solution, and rugged carrying case.

Easily Replaceable Membrane Caps
Automatic Calibration
Good Laboratory Practice (GLP)

Description

Features

Polarographic measuring system based on the Ross and Clark method

The probe has a platinum cathode and silver anode in an electrolyte solution held in place by a polymer membrane

Automatic calibration at one or two points to 100% and/or 0% saturation using HI7040 bicomponent, zero-oxygen solution

Automatic Temperature Compensation (ATC) using a high-accuracy, built-in, linearized, thermistor temperature sensor

Altitude compensation up to 4000 meters with a 100-meter resolution

Salinity compensation adjustable from 0 to 80 g/L (ppt) with a 1 g/L resolution to measure DO in brackish and sea water

Auto end point mode will freeze a reading on the display once a stable measurement is obtained for consistency between multiple users

Good Laboratory Practice (GLP allows the user to recall calibration information including date, time and calibrations points

Replaceable, pretensioned, polytetrafluoroethylene (PTFE) membranes with a screw cap design

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