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Dissolved Oxygen Meter
Eight Easy to use Bench top and portable models
from Hanna Instruments are listed below:
 
The new Dissolved Oxygen Meters:
HI 9146 are affordable too!
 Portable
DO Meter for Field Applications
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Measurements Displayed in PPM or % Saturation
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High Resolution- 0.01mg/l
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Water Resistant
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4 or 10 meter
cabled DO sensors
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Expanded
range: 0.00 to 45.00mg/l
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Also reads in
% oxygen saturation
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Automatic
temperature compensation
HI 9146 is a water-resistant,
microprocessor- based, Dissolved Oxygen meter with automatic
calibration and temperature compensation (ATC). DO measurements can
be displayed in parts per million (ppm=mg/l) or in % of saturation.
The temperature range is indicated in Celsius from 0 to 50°C with 0.1
resolution. This meter also allows manual compensation of altitude and
salinity values. The polarographic probe, supplied with the
instrument, is provided with a protective cover for the membrane. A
HOLD button allows the user to freeze the reading on the LCD. HI 9146
can be powered with batteries 2 (with low battery indicator) or
through a 12 Vdc adapter. See blue cased meter above for
picture.
HI 9146-04 is supplied complete with HI 76407/4F probe with 4 m (13')
cable and protective cap, 2 spare membranes, HI 7041S electrolyte
solution (30 ml), batteries, hard carrying case and instructions. HI
9146-10 is supplied complete with HI 76407/10F probe with 10 m (33')
cable and protective cap, 2 spare membranes, HI 7041S electrolyte
solution (30 ml), batteries, hard carrying case and instructions.
Graphic LCD Portable Dissolve Oxygen Meter: HI 98186
Top of the line DO meter is loaded with features
This deluxe DO meter does it all.
Record BOD data by bottle number. Indicate "seeded" BOD data with an
asterisk designation (*). Show starting and ending DO values and
automatically calculated and stores BOD data. Collected data can be
transferred to a PC log program which aids in record keeping when in a typical
laboratory dissolved oxygen readings are taken on multiple samples.
Temperature, salinity and barometric pressure compensation are all factored in
the readings. This makes the extremely rugged military cased HI 98186 DO
meter a valuable addition to any lab.
Totally waterproof field
meter with inductively charged rechargeable batteries and a large graphic
display allows the user to see and command large amounts of data. This unit is
very easy to use and even has an extensive help menu.
DO: Dissolved Oxygen
This meter can measure DO
in either mg/l or as percent saturation. Temperatures can be read in either F
or C and the internal barometric pressure can be measured in a variety of common
units. As with all DO measurements, water movement is required. A moving
stream, motion of the probe or a stirring bar is normally employed.
SOUR: Specific Oxygen
Uptake Rate
This is also referred to as
the oxygen consumption or respiration rate. Measuring the amount of oxygen (mg)
consumed per gram of volatile suspended solids (VSS) per hour is defined as
SOUR. This test is very quick to make as opposed to a five day BOD. It has
other advantages as well. It is a rapid measure of influent organic loading
and/or toxic/inhibitory wastes. Using this test one can easily determine the
oxygen demand rate at various points (such as an aeration basin)SOUR= OUR
(Oxygen Uptake Rate) per weight of solids.
OUR: Oxygen Uptake Rate
This is an absolute
respiration rate based on beginning and ending DO over a time interval. The
meter will calculate the value for one hour even though the actual test could be
much shorter.
BOD: Biological Oxygen
Demand
Diluted samples are kept in
the dark for five days and then measured for DO. The amount of DO lost is
corrected by the dilution factor and then referred to as: BOD/5 or BOD5. The
meter can keep track of 400 samples each with a unique bottle number, dilution
factor, seed volume, time and date. The meter can at any point calculate the
BOD level and log the result. The tracking and logging functions together with
the mathematical capabilities make this a very powerful instrument.
Logging is accomplished
thru a waterproof USB port. The meter has automatic salinity and barometric
pressure compensation. This makes it very versatile in any number of field
applications.
The meter has a built in user prompt for
calibration. And unlike many meters, this one can be calibrated at several
points. With the very fast polarographic sensor, the user need not wait for
lengthy instrument warm ups. Initialization is only one minute.
SPECIFICATIONS:
Range: 0.00 to 50.00ppm or 0.0 to 600.0%
saturation
Resolution: 0.01ppm or 0.1% saturation
Calculates: BOD, OUR (Oxygen uptake rate),
SOUR (Oxygen uptake rate/g of vol. Suspended Solids)
Barometer pressure: 450-850 mmHg
Salinity compensation: 0-70g/l
Temperature: -20.0 to 120.0ºC
Calibration: Automatic, 1 or 2 points or manual 1
point
Temperature compensation: Automatic
Probe: 4 meter cable polarographic with
built-in temperature sensor
Logging: Log on demand, 400 samples
PC Connectivity: Opt-isolated USB (with HI
92000 software)
Battery type/life: 4 x 1.2Vdc
rechargeable batteries/200 hours
Recharger: Inductive recharger
(included with meter)
Auto-off: User selectable from 5 to 60
minutes or disabled
Help Screen: Complete manual display on board
Environment: IP67 (waterproof)
Weight: 525g (About 1.2#)
Includes: recharger, carrying case, probe
with 13' cable, batteries, 2 spare membranes, electrolyte
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Hanna Instruments
Dissolved Oxygen Meter: HI 9142 |
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 Waterproof
Dissolved Oxygen Meter
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Rugged, water
resistant casing
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Simple, one point
calibration
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ATC circuitry for
high accuracy
The ever increasing demand for
instant results from on-site analysis has created a constant need for
portable, waterproof meters. Measurements in the field can subject
instrumentation to the inclemency of weather. Cold, rain, snow and
dust associated with use in the field, can damage a meter, rapidly
deteriorating its performance and life. HI 9142 is a rugged,
waterproof meter that solves these 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
procedures. The polarographic probe (HI 76407/4) will take
measurements accurate to 0.3 ppm in minutes and is supplied with a 4 m
(13') cable that allows measurements to be taken even in even hard to
reach places.
HI 9142 is supplied complete with HI 76407/4 D.O. probe with 4 m (13�)
cable, 2 spare membranes, HI 7041S electrolyte solution (30 ml),
calibration screwdriver, batteries, rugged carrying case and
instructions. |
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Available
Accessories: |
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HI 7040L |
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Zero oxygen solution
(500 mL) |
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HI 7041S |
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Refilling
electrolytes solution (30 mL) |
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HI 76407/4 |
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D.O. probe with 4 m
(13') cable |
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HI 76407/10 |
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D.O. probe with 10 m
(33') cable |
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HI 76407/20 |
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D.O. probe with 20 m
(67') cable |
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HI 76407A/P |
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Pack of 5
replacement membranes |
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HI 721317 |
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Rugged carrying case |
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Specifications: |
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Range |
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0.0 to 19.9 mg/L |
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Resolution |
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0.1 mg/L |
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Accuracy
(@20°C/68°F) |
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1.5% Full Scale |
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Calibration |
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Manual 1 or 2 points
through trimmer |
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Temp. Compensation |
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Automatic from 32 to
86°F (0 to 30°C) |
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Probe |
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HI 76407/4
polarographic D.O. probe |
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Battery Type / Life |
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4 x 1.5 volt AA/
approx. 500 hours of continuous use |
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Environment |
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32 to 122°F (0 to
50°C) |
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Dimensions |
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7.7 x 3.1 x 2.4"
(196 X 80 X 60mm) |
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Weight |
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3.1 lb (1.4 Kg) KIT:
3.1 lbs (1.4 Kg)
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Dissolved Oxygen Meters:
HI 9143 - HI 9145 |
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Extended Range
Dissolved Oxygen Meters
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Rugged and
waterproof, ideal for outdoor applications
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Automatic
calibration
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Extended D.O.
range
Measurements in the field can
subject instrumentation to the inclemency of weather. 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 harsh
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 new and improved HI 9143 and HI 9145 measure and
display O2 from 0 to 300%, 0 to 45 mg/L and temperature from 0 to 50
°C. 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 the temperature effect.
HI 9143 is supplied complete with D.O. probe HI 76407/4 with 4 m (13�)
cable, 2 spare membranes, electrolyte solution HI 7041S (30 mL),
batteries, rugged carrying case and instructions. HI 9145 is supplied
complete with D.O. probe HI 76407/4 with 4 m (13�) cable, 2 spare
membranes, electrolyte solution HI 7041S (30 mL), batteries, rugged
carrying case and instructions. |
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Available
Accessories: |
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HI 7041S |
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Refilling
electrolyte solution (30 mL) |
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HI 710005 |
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110V to 12VDC
adapter |
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HI 710006 |
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220V to 12VDC
adapter |
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HI 76407/4 |
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D.O. probe with 4 m
(13') cable |
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HI 76407/10 |
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D.O. probe with 10 m
(33') cable |
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HI 76407/20 |
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D.O. probe with 20 m
(67') cable |
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HI 76407A/P |
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Pack of 5
replacement membranes |
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HI 721317 |
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Rugged carrying case |
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Specifications: |
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Range Oxygen |
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0.00 to 45.00 mg/L |
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Range % Saturation
Oxygen |
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0.0 to 300.0% |
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Range Temperature |
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0.0 to 50.0 °C |
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Resolution Oxygen |
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0.01 mg/L |
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Resolution %
Saturation Oxygen |
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0.1% |
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Resolution
Temperature |
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0.1°C |
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Accuracy
(@20°C/68°F) |
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±1.5% Full Scale
(Oxygen); ±0.5°C (Temp) |
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Calibration |
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Automatic in
saturated air |
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Temp. Compensation |
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Automatic from 32 to
122°F (0 to 50°C) |
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Auto Altitude
Compensation: HI 9143 |
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0 to 1900m (0 to
6230') |
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Resolution: HI 9143 |
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100 meter |
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Auto Salinity
Compensation: HI 9143 |
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0 to 40 g/L (ppt) |
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Resolution: HI 9143 |
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1 g/L (ppt) |
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Probe |
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HI 76407/4
Polarographic D.O. probe |
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Battery Type / Life |
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4 X 1.5 Volt AA /
Power plug for 12VDC supply/ approx. 200 hours of continuous use |
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Environment |
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32 to 122°F (0 to
50°C) |
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Dimensions |
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7.7 x 3.1 x 2.4"
(196 X 80 X 60mm) |
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Weight |
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3.1 lb (1.4 Kg) |
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Dissolved Oxygen Meters:
HI 9146 |
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Portable
D.O. Meter for Field Applications
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Measurements
Displayed in PPM or % Saturation
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High Resolution
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Water Resistant
HI 9146 is a water-resistant,
microprocessor- based, Dissolved Oxygen meter with automatic
calibration and temperature compensation (ATC). D.O. measurements can
be displayed in parts per million (ppm=mg/L) or in % of saturation.
The temperature range is indicated in Celsius from 0 to 50°C with 0.1
resolution. This meter also allows manual compensation of altitude and
salinity values. The polarographic probe, supplied with the
instrument, is provided with a protective cover for the membrane. A
HOLD button allows the user to freeze the reading on the LCD. HI 9146
can be powered with batteries 2 (with low battery indicator) or
through a 12 Vdc adapter.
HI 9146-04 is supplied complete with HI 76407/4F probe with 4 m (13')
cable and protective cap, 2 spare membranes, HI 7041S electrolyte
solution (30 mL), batteries, hard carrying case and instructions. HI
9146-10 is supplied complete with HI 76407/10F probe with 10 m (33')
cable and protective cap, 2 spare membranes, HI 7041S electrolyte
solution (30 mL), batteries, hard carrying case and instructions. |
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Dissolved Oxygen Meters:
HI 9141 |
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Printing
and Logging Dissolved Oxygen Meter
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High Accuracy
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Documented
Monitoring
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Automatic
Calibration
HI 9141 and HI 91410 are
portable, printing D.O. meters designed for continuous monitoring and
recording at selectable time intervals. The low-power printer uses
regular paper that is easily sourced and will not fade over time. HI
91410 combines all of the comprehensive printing functions of the HI
9141, with the capability to log measurements. In addition to
supplying the user with instant print-outs of D.O., HI 91410 also
provides datalogging facilities that will store up to 8000 readings.
These measurements can be scrolled through at any time, printed or
even transferred to a computer system for elaboration or permanent
storage. An optional HI 9200 infrared transmitter can be used to take
the data from HI 91410 and send it to a computer without any cords.
Simply place the meter on the cradle and, at the touch of a button,
all of the recorded lots are transferred in seconds. This infrared
connection is important in humid environments, where a standard RS232
plug on a meter could become damaged. In addition to the automatic
calibration feature, both meters automatically compensate for two very
important parameters: altitude from 0 to 1900 meters (6230'), and
salinity from 0 to 40 g/L.
HI 9141 is supplied complete with D.O. probe HI 76407/4 with 4 m (13�)
cable, 2 spare membranes, electrolyte solution HI 7041S (30 mL), 5
paper rolls, batteries, rugged carrying case and instructions. |
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Available
Accessories: |
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HI 7041S |
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Oxygen electrolyte
solution (30 ml) |
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HI 710005 |
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110V to 12VDC
adapter |
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HI 710006 |
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220V to 12VDC
adapter |
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HI 76407/4 |
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D.O. probe with 4 m
(13') cable |
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HI 76407/10 |
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D.O. probe with 10 m
(33') cable |
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HI 76407/20 |
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D.O. probe with 20 m
(67') cable |
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HI 76407A/P |
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Pack of 5
replacement membranes |
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HI 9200/9 |
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Infrared transmitter
(9-pin) |
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HI 92000 |
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Windows® compatible
software |
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HI 710034 |
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Paper roll (10
rolls) |
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HI 710035 |
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Ink cartridge (1 pc) |
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HI 721317 |
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Rugged carrying case |
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Specifications: |
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Range |
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0.00 to 19.99 mg/L /
0.0 to 50.0°C |
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Resolution |
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0.01 mg/L / 0.1°C |
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Accuracy
(@20°C/68°F) |
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1.5% Full Scale /
±0.5°C |
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Calibration |
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Automatic in
saturated air at 100% |
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Temp. Compensation |
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Built-in temperature
sensor on D.O. probe automatic from 32 to 86°F (0 to 30°C) |
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Altitude
Compensation |
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0 to 6,230' (1,900
m) |
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Resolution |
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328' (100 meters) |
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Salinity
Compensation |
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0 to 40 g/l |
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Probe |
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HI 76407/4
polarographic D.O. probe |
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Printer |
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Low-power impact
type belt using 38mm plain paper |
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Printing Intervals |
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1,2,5,10,15,30,60,120 & 180 minutes |
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Battery Type / Life |
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4 x 1.5 volt AA,
Auto-off after 4 hrs/ Power socket for 12 VDC supply |
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Environment |
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32 to 122°F (0 to
50°C) |
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Dimensions |
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8.7 x 3.2 x 2.6"
(220 x 82 x 66mm) |
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Weight |
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18 oz.(510 g ) KIT:
3.1 lbs (1.4 Kg) |
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Dissolved Oxygen Meters
for the lab bench: HI 2400 |
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Extended
Range Bench Dissolved Oxygen Meter
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Direct
measurements in ppm or %
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Logging of up to
8000 samples divided into 99 lots
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Automatic
calibration for D.O. and temperature in seconds with automatic value
recognition
For Dissolved Oxygen
measurements, HANNA instruments® presents the new HI 2400, an
essential instrument for testing pharmaceutical and food products, as
well as monitoring in water treatment plants. The user can choose to
display D.O. readings in mg/L O2 or % of saturation. This meter can be
used in any laboratory and for any type of water, as it allows
measurement compensation both for altitude and salinity factors. The
automatic logging interval can be set to perform analysis and store
data into the non-volatile internal memory. All logged data can be
downloaded to your PC through an RS232 serial port. Memory can store
up to 8000 samples. HI 2400 features an automatic calibration
procedure, at 1 or 2 points (at 0 and 100% of O2 saturation). The
probe supplied with the meter is provided with a polarographic sensor,
which measures the current generated by the reaction of O2 with Ag.
HI 2400 is supplied complete with HI 76407/2 DO probe with 2 m (6.6')
cable, 2 spare membranes, HI 7041S electrolyte solution (30 mL), 12
Vdc power adapter and instructions. |
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Available
Accessories: |
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HI 7040M |
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Zero oxygen solution
(230 mL) |
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HI 7040L |
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Zero oxygen solution
(500 mL) |
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HI 710005 |
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110V to 12VDC
adapter |
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HI 710006 |
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220V to 12VDC
adapter |
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HI 76407/10 |
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D.O. probe with 10 m
(33') cable |
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HI 76407/20 |
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D.O. probe with 20 m
(67') cable |
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HI 76407A/P |
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Pack of 5
replacement membranes |
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HI 92000 |
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Windows® compatible
software |
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HI 920010 |
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PC connection cable |
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Specifications: |
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Range |
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0.00 to 45.00 mg/L
O2; 0.0 to 300.0 % Saturation O2; 0.0 to 50.0 % Saturation °C |
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Resolution |
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0.01 mg/L O2; 0.1 %
Saturation |
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Accuracy
(@20°C/68°F) |
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±1.5% of full scale
mg/L O2; ±0.5 °C |
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Typical EMC
Deviation |
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±1.5% of full scale
mg/L O2; ±0.5 °C |
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Calibration |
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Automatic single or
double point at 0% and 100% (in air) mg/L O2; Automatic single or
double point at 0.0°C and 50.0°C |
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Altitude
Compensation |
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0 to 1,900 m
(6,230') with 100 m resolution |
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Salinity
Compensation |
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0 to 40 g/L with 1
g/L resolution |
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Temp. Compensation |
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32 to 122°F (0.0 to
50.0°C) |
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Probe |
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HI 76407/2 with 6.6'
(2 m) cable |
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Logging Interval |
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1, 15, 30 seconds or
1, 2, 5, 15, 30, 60, 120 & 180 minutes |
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Computer Interface |
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RS 232C (opto-isolated) |
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Battery Type / Life |
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12VDC (CSA, UL & CE
approved) |
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Environment |
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