Hanna Instruments HI 96750 - Manual (Page 4)

4
GENERAL DESCRIPTION
ABBREVIATIONS
The HI 96750 is an auto diagnostic portable microprocessor meter that benefits from Hanna’s
years of experience as a manufacturer of analytical instruments. It has the advanced optical
system based on a special Light Emitting Diode (LED) and a narrow band interference filter that
allows most accurate and repeatable readings. All instruments are factory calibrated and the
electronic and optical design minimizes the need of frequent calibration.
With the powerful CAL CHECK
TM validation function, you are able to validate good performance
of your instrument at any time. The validation procedure is extremely user friendly. Just use the
exclusive HANNA ready-made, NIST traceable standards to verify the performance of the
instrument and recalibrate if necessary.
All instruments are splash waterproof and the LED and filter units are protected from dust or dirt
by a transparent cup. This makes the instruments fulfill field applications. Display messages aid
the user in routine operation. The meter has an auto-shut off feature that will turn off the
instrument after 10 minutes of non use in
measurement mode or after 1 hour if left in
calibration mode .
The meter uses an exclusive positive-locking system to ensure that the cuvette is in the same
position every time it is placed into the measurement cell. It is designed to fit a cuvette with a
larger neck making it easier to add both sample and reagents. The cuvette is made from special
optical glass to obtain best results.
The HI 96750 meter measures the potassium (K) content in water samples in the 0.0 to 10.0
mg/L (ppm) for low range and 10 to 100 mg/L (ppm) for medium range. Tetraphenylborate
Method. The reaction between potassium and reagents causes turbidity in the sample.
The reagents are in
powder and liquid form and are supplied in packets and bottles respectively.
The amount of reagent is precisely dosed to ensure the maximum repeatability.
degree Celsius
degree Fahrenheit
milligrams per liter. mg/L is equivalent to ppm (parts per million)
milliliter
millivolts °C :
°F :
mg/L :
mL :
mV: