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Waterproof, Microprocessor Dissolved Oxygen Meters

• Battery or VDC power When used for extended periods of time, there is no need to interrupt important tests, simply plug into a 12 VDC battery charger.
• Automatic Calibration Simply expose the probe to saturated air and press the CAL button. No need for messy solutions or tedious calibration processes.
• Multiple Range You can read in % of saturation or directly in mg/L of dissolved oxygen. The meter can also be used as an accurate thermometer.

Cold, rain, snow, dust and humidity associated with use in the field can cause condensation which may damage a meter, rapidly deteriorating its performance and life. HI 9143 and HI 9145 are designed for outdoor applications, especially waste water treatment and fish farming. Simple on-site calibration requires no chemical solutions. Just expose the probe to air and press the CAL button. In a few minutes the meter is calibrated and ready to use. Auto-calibration eliminates the need to use a screwdriver or other devices to adjust the reading. The basic version, HI 9145, provides readings of O2 (% or mg/l) and temperature. In addition to the features of HI 9145, HI 9143 also supplies the user with compensation of salinity and altitude factors. Both meters compensate for temperature effect. Price includes meter, rugged carrying case, HI 76407/4 D.O. probe, 2 spare membranes and instruction manual.

Specifications

Range:

mg/l Oxygen 0.00 to 19.99 mg/l
% Saturation Oxygen 0.0 to 100.0%
Temperature 0.0 to 50.0 °C

Resolution:

mg/l Oxygen 0.01 mg/l
% Saturation Oxygen 0.1%
Temperature 0.1°C

Accuracy(@20°C/68°F):

mg/l Oxygen 1.5% Full Scale
% Saturation Oxygen 1.5% Full Scale
Temperature ± 0.5°C

Calibration: Automatic in saturated air
Temp. Compensation: Automatic from 32 to 122°F (0 to 50°C)
Auto Altitude Compensation (HI9143 only): 0 to 900m (0 to 6230')
Resolution (HI9143 only): 100m (328')
Auto Salinity Compensation (HI9143 only): 0 to 40 g/L (ppt)
Resolution (HI9143 only): 1 gL (ppt)
Probe: HI 76407/4 Polarographic D.O. probe
Battery: 4 X 1.5 Volt AAA
Battery Life: 60 hours of continuous use
Environment Temp.: 32 to 122°F (0 to 50°C)
Weight: 3.1 lb (1.4 Kg)
Dimensions: 7.7 x 3.1 x 2.4" (196 X 80 X 60mm)

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Prices shown apply to sales to companies within the United States.

For sales outside the US contact Kernco Instruments for appropriate prices for your country.

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