PT ANDALAN BANGUN SEJAHTERA

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HI9142
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25 Feb 2019
American Samoa
1 UNIT
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Spesifikasi

PH Meter

Details

The HI9142 is a durable, waterproof dissolved oxygen (DO) meter designed to provide reliable measurements under harsh environmental conditions. The meter features manual calibration at 100% and automatic calibration in zero oxygen solution. The HI9142 includes a polarographic probe with replaceable polytetrafluoroethylene (PTFE) membrane caps and protective shield. The rugged, waterproof housing of the HI9142 solves many of the problems with frequent field use.

 

Features at a Glance

Replaceable Membrane Caps - The pretensioned polytetrafluoroethylene (PTFE) membranes employ a screw cap design for simple filling of electrolyte and easy replacement on the probe.

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.

One or Two Point Calibration - Calibration for the HI9142 is performed as a manual calibration at 100% and automatic calibration in zero oxygen solution.

Automatic Temperature Compensation - The HI9142 compensates for changes in the solubility of oxygen in water and for the permeability of the polymer membrane from temperature effects. All readings are automatically compensated for temperature variations with a high-accuracy, built-in linearized thermistor temperature sensor behind a stainless steel cover.

Specifications

DO Range0.0 to 19.9 mg/L (ppm)
DO Resolution0.1 mg/L (ppm)
DO Accuracy (@ 25°C/77°F)±1.5% F.S.
Temperature Range-5.0 to 50.0°C (23.0 to 122.0°F)
Temperature Resolution0.1°C (1°F)
Temperature Accuracy (@ 25°C/77°F)±0.2°C (±1°F) (excluding probe error)
Temperature Compensationautomatic, 0 to 50°C (32 to 122°F)
Probepolarographic DO probe, internal temperature sensor, DIN connector
Calibrationmanual, at one or two points (zero and slope)
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.
Warranty2 years (probe 6 months)

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