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Portable Dissolved Oxygen Meter - HI9146

SKU: HI9146-web

As low as A$1,196.58

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)

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

More Information
SKU HI9146-web
Product Name Portable Dissolved Oxygen Meter - HI9146
Quote Required No
Dissolved Oxygen Range 0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation
Dissolved Oxygen Resolution 0.01 ppm (mg/L); 0.1% saturation
Dissolved Oxygen Accuracy ±1.5% F.S. or ±1 digit, whichever is greater
Dissolved Oxygen Calibration one or two points at 0% (HI 7040 solution) and 100% (in air)
Dissolved Oxygen Temperature Compensation automatic from 0 to 50°C (32 to 122°F)
Salinity Compensation 0 to 80 g/L (ppt) (resolution 1 g/L)
Altitude Compensation 0 to 4000 m (resolution 100 m)
Temperature Range 0.0 to 50.0°C / 32.0 to 122.0°F
Temperature Resolution 0.1°C / 0.1°F
Temperature Accuracy ±0.2°C; ±0.4°F (excluding probe error)
DO Probe HI76407 DO probe (included)
Battery Type/Life 1.5V AAA (3) /approximately 200 hours of continuous use without backlight (50 hours with backlight on)
Environment 0 to 50°C (32 to 122°F); RH max 95%
Dimensions 185 x 72 x 36 mm (7.3 x 2.8 x 1.4”)
Weight 300 g (10.6 oz.)
Ordering Information HI9146 is supplied complete with HI76407 DO probe, HI76407A pre-formed PTFE DO membranes (2), HI7041S electrolyte solution (30 mL), batteries, instructions and rugged carrying case.
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