PT ANDALAN BANGUN SEJAHTERA

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HI9146
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Last Updated
25 Feb 2019
Country Origin
American Samoa
Minimum Order
1 UNIT

Specification of

Details

Dissolved oxygen is a commonly measured parameter in aquaculture, wastewater treatment, environmental studies, and 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 portable DO meter is supplied complete and ready to use.

 

Features at a Glance

Polarographic Measuring System - The oxygen 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 in brackish and sea water.

Auto End Point - The HI9146 features an auto endpoint mode in which, when selected, the reading will freeze 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 dissolved oxygen meter 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.

 

Specifications

DO Range0.00 to 45.00 ppm (mg/L), 0.0 up to 300.0% saturation
DO Resolution0.01 ppm (mg/L); 0.1% saturation
DO Accuracy (@25ºC/77ºF)±1.5% F.S. or ±1 digit, whichever is greater
DO Calibrationone or two points at 0% (HI 7040 solution) and 100% (in air)
Temperature Range0.0 to 50.0°C / 32.0 to 122.0°F
Temperature Resolution0.1°C / 0.1°F
Temperature Accuracy (@25ºC/77ºF)±0.2°C; ±0.4°F (excluding probe error)
Temperature Compensationautomatic from 0 to 50°C (32 to 122°F)
Altitude Compensation0 to 4000 m (resolution 100 m)
Salinity Compensation0 to 80 g/L (ppt) (resolution 1 g/L)
Electrode/Probepolarographic DO probe, internal temperature sensor, DIN connector
Battery Type/Life1.5V AAA (3) /approximately 200 hours of continuous use without backlight (50 hours with backlight on)
Environment0 to 50°C (32 to 122°F); RH max 95%
Dimensions185 x 72 x 36 mm (7.3 x 2.8 x 1.4”)
Weight300 g (10.6 oz.)
Ordering InformationHI9146 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.
Warranty2 years (probe 6 months)

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