Product Description

Hanna HI-9146 Portable Dissolved Oxygen Meter

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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 Hanna HI-9146 Portable Dissolved Oxygen Meter

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

Specifications Hanna HI-9146 Portable Dissolved Oxygen Meter


SKU	HI9146-web
Product Name	Portable Dissolved Oxygen Meter – HI9146
Quote Required	Yes
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.