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Hanna HI9146W Portable Dissolved Oxygen Meter for Wine

Product code: 7931
TE-HI9146W

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$750.00
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Hanna HI9146W Portable Dissolved Oxygen Meter for Wine

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, 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)

 

Details

Dissolved oxygen is a commonly measured parameter in wine analysis. The HI9146 is a rugged, portable dissolved oxygen (DO) meter designed to provide high accuracy measurements whether in the field or in the lab. The meter features automatic calibration performed at one or two points in saturated air and/or zero oxygen solution.All readings are automatically compensated for temperature variations and can be frozen on the display upon stability using the auto-end feature. Salinity and altitude compensation are user adjustable based on the environmental conditions that are present. The HI9146 features a  Battery Error Prevention System (BEPS) that detects when the batteries become too weak to ensure reliable measurements. The HI9146 is supplied complete and ready to use.

 

Features at a Glance

Polarographic Measuring System - The meter and probe use polarographic sensor technology based on the Ross and Clark polarographic measurement method. The probe is comprised of a platinum cathode and silver anode in an electrolyte solution held in place over the surfaces of the electrodes by a polymer membrane. An external voltage applied across the system establishes a current proportional to the concentration of dissolved oxygen.

Replaceable Membrane Caps - The pretensioned thin polytetrafluoroethylene (PTFE) membranes employ a screw cap design that can be changed quickly by simply filling with the HI7041 electrolyte fill solution and screw on the DO probe.

Automatic Calibration - Calibration can be performed at one or two points to 100% and/or 0% saturation. The 100% saturation is done in air while the 0% is done with the HI7040 bicomponent zero oxygen solution.

Good Laboratory Practice (GLP) - The Good Laboratory Practice feature allows the user to recall calibration information including date, time and calibrations points.

Automatic Temperature Compensation - All readings are automatically compensated for temperature variations with a high accuracy, built in linearized thermistor temperature sensor behind a stainless steel cover.

Altitude Compensation - The HI9146 allows for altitude compensation for up to 4000 meters with a 100 meter resolution.

Salinity Compensation - Salinity compensation is adjustable from 0 to 80 g/L (ppt) with a 1 g/L resolution for the measurement of DO is brackish and seawater.

Auto End Point - The HI9146 features an auto endpoint mode in which when selected the reading will frozen on the display once a stable measurement is obtained. The auto-end feature allows for consistency among various users by ensuring that stability has been achieved before recording a measurement.

Backlit LCD - The HI9146 has a display with a backlight for easy viewing of readings in poor lighting conditions.

Battery Error Prevention System (BEPS) - The Battery Error Prevention System detects when the batteries become too weak to ensure reliable measurements. The backlight feature is automatically disabled when batteries are getting low and a clear indication is displayed to warn the user of this condition.

 
HI76408  Thin Polarographic Dissolved Oxygen Probe

Thin Polarographic Dissolved Oxygen Probe for Wine

The HI76408 is a thinner Clark-type polarographic dissolved oxygen probe for Hanna’s benchtop and portable dissolved oxygen meters. The probe is constructed of durable ABS plastic and contains an integrated temperature sensor for temperature compensated measurements. It is compatible with our HI76407A/P PTFE membrane caps. Each membrane separates the probe’s platinum cathode and silver anode from the water sample being measured. Oxygen diffuses across the membrane and interacts with the polarographic system to produce a current proportional to oxygen concentration. Each cap is easily filled with HI7041 electrolyte and screwed on to the probe. The probe’s thin design makes it ideal for wine packaging measurements.

 

 

Specifications

DO Range 0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation
DO Resolution 0.01 ppm (mg/L); 0.1% saturation
DO Accuracy (@25ºC/77ºF) ±1.5% F.S. or ±1 digit, whichever is greater
DO Calibration one or two points at 0% (HI 7040 solution) and 100% (in air)
Temperature Range 0.0 to 50.0°C / 32.0 to 122.0°F
Temperature Resolution 0.1°C / 0.1°F
Temperature Accuracy (@25ºC/77ºF) ±0.2°C; ±0.4°F (excluding probe error)
Temperature Compensation automatic from 0.0 to 50.0°C (32.0 to 122°F)
Altitude Compensation 0 to 4000 m (resolution 100 m)
Salinity Compensation 0 to 80 g/L (ppt) (resolution 1 g/L)
Electrode/Probe HI76408 Clark-type polarographic dissolved oxygen probe
Battery Type/Life 1.5V (3) AAA / approximately 200 hours of continuous use without backlight (50 hours with backlight)
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.)
 
 

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