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Hanna HI 9142-04 - Dissolved Oxygen Meter
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Hanna HI 9142-04 - Dissolved Oxygen Meter


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The HI9142 is a rugged, portable, waterproof dissolved oxygen (DO) meter, with replaceable polytetrafluoroethylene (PTFE) membrane caps and protective shield, designed to provide reliable measurements under harsh environmental conditions. The HI9142 is supplied complete with polarographic probe, PTFE membrane caps, electrolyte fill solution, protective shield, and rugged carrying case.

  • Easily Replaceable Membrane Caps
  • Waterproof
  • One or Two Point Calibration
  • CA$815.00
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  • SKU
    HAN-HI9142-04

Features

Replaceable, pretensioned, polytetrafluoroethylene (PTFE) membranes with a screw cap design for simple filling of electrolyte and easy replacement.

Polarographic measuring system based on the Ross and Clark polarographic measurement method

The probe uses a platinum cathode and silver anode in an electrolyte solution using  external voltage to establish a current proportional to the concentration of dissolved oxygen

Manual one or two point calibration at 100% and automatic calibration in zero oxygen solution

A high-accuracy, built-in linearized thermistor temperature sensor behind a stainless steel cover

All readings are automatically compensated for temperature variations


Dissolved Oxygen Measurement Typepolarographic
Dissolved Oxygen Range0.0 to 19.9 mg/L (ppm)
Dissolved Oxygen Resolution0.1 mg/L (ppm)
Dissolved Oxygen Accuracy±1.5% F.S.
Dissolved Oxygen Calibrationmanual in 100%; automatic in 0% DO
Dissolved Oxygen Temperature Compensationautomatic, 0 to 50°C (32 to 122°F)
Temperature Range-5.0 to 50.0°C (23.0 to 122.0°F)
Temperature Resolution0.1°C (1°F)
Temperature Accuracy±0.2°C (±1°F) (excluding probe error)
DO ProbeHI 76407 with 4 m (13') cable (included)
Automatic Shut-OffAfter approx. 8 minutes
Battery Type/Life1.5V AA (4) / approx. 500 hours of use
Environment0 to 50°C (32 to 122°F); RH max 100%
Dimensions196 x 80 x 60 mm (7.7 x 3.1 x 2.4")
Weight500 g (1.1 lb.)
Ordering InformationHI9142 is supplied complete with HI76407 DO probe, HI76407A/P pre-formed PTFE DO membranes (2), HI7041S electrolyte solution (30 mL), batteries, instructions and rugged carrying case.
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