Hanna Instruments HI 9146 Dissolved Oxygen Meter Instruction Manual

HI 9146 is a portable waterproof microprocessor dissolved oxygen meter


Hanna Instruments HI 9146 Dissolved Oxygen Meter Instruction Manual - cover page
Brand
Hanna Instruments
Document type
User Manual
Language
English
Pages
11
File format
PDF
File size
518 KB
Published
10 July, 2012
Updated
30 September, 2023
Model
HI 9146
MD5 checksum
9B5089C44A07BF651F6414BCA14D1316

About this manual

The Hanna Instruments HI 9146 is a water-resistant, microprocessor-based auto-calibrating Dissolved Oxygen meter with Automatic Temperature Compensation (ATC). It is designed for measuring dissolved oxygen and temperature in water and wastewater applications, as well as fish farming. The device features a rugged carrying case and can be powered by four AA batteries or an external 12 Vdc power supply.

What's inside

  • Preliminary Examination
  • General Description
  • Functional Description - Probe
  • Probe Preparation
  • Calibration
  • Measurement
  • Altitude Compensation
  • Salinity Compensation
  • Probe & Membrane Maintenance

Specifications

Temperature Range0.0 to 50.0 °C
Accuracy (mg/L)+1.5% Full Scale mg/L O2 (@25°C/77°F)

Frequently asked questions

How long does it take to hydrate the probe?

Soak the black bottom 21.4 cm (1") of the probe in electrolyte for 5 minutes.

What is required for accurate dissolved oxygen measurements?

A water movement of at least 30 cm/sec is required to ensure constant replenishment of oxygen.

Does the meter require recalibration when switching between ppm and % saturation?

No, the display can be switched from readings in % saturation to mg/L without recalibration.

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