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HI9142 Waterproof, Dissolved Oxygen Meter

• Water Resistant Casing The rugged construction is water resistant, making it indispensable in the biological water treatment industry.
• One Point Calibration With the probe in saturated air, the meter can be calibrated without the need for chemical solutions.
• ATC Circuitry The meter's built-in Automatic Temperature Compensation circuitry will adjust all readings to provide the utmost accuracy.
• Low Battery Indicator The low battery indicator gives the user advanced notice to avoid taking an erroneous reading due to low power.

  The ever increasing demand for instant results for on-site analyses has created a constant need for waterproof portable meters. The cold, rain, snow and dust associated with use in the field may damage a meter, rapidly deteriorating its performance and life. HI 9142 is a rugged, water resistant meter that solves the common problems of field use. It is very simple to use: calibration is performed with HI 7040 zero oxygen solution while 100% calibration is done in air. There is no need to use chemical solutions or go through time consuming calibration processes. The polarographic probe (HI 76407/4) will take measurements accurate to 0.2 ppm O₂/liter in less than 1 minute and is equipped with a 13' (4m) cable that allows measurements to be taken in even hard to reach places. For applications that require a longer probe cable, the HI 76407/10 probe with a 32.8 foot (10 meter) cable is available. The conic shape of the probe allows it to be used in all BOD₅ measurements making it a truly versatile instrument. Price includes meter, HI 76407/4 D.O. probe, 2 spare membranes, batteries and instruction manual in a rugged carrying case.

  Specifications

  Range: 0.0 to 19.9 mg/L
  Resolution: 0.1 mg/L
  Accuracy(@20°C/68°F): 1.5% Full Scale

  Calibration: Manual 1 point through trimmer
  Temp. Compensation: Automatic from 32 to 86°F (0 to 30°C)
  Probe: HI 76407/4 polarographic D.O. probe
  Battery: 4 x 1.4 volt AAA
  Battery Life: 100 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)

  Cat. No.	Model/Description	Price
  15A21	HI9142 Waterproof Dissolved Oxygen Meter	$499.00
  15A21-A	Repl HI76407/4 DO Probe (4m cable)	420.00
  15A11-A	Opt'l HI76407/10 DO Probe (10m cable)	510.00
  15A21-B	Opt'l HI76407/20 DO Probe (20m cable)	600.00
  15A11-B	Repl HI 76407A/P Membranes (5 ea)	82.00
  15A11-C	Repl HI7041S Electrolyte Solution (30 mL)	30.00
  15A10-B	Repl HI7040L Zero Oxygen Solution (460 mL)	30.00

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