Silica High Range ISM
Hanna Instruments HI96770
The HI96770 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 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™ 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.
The instrument is 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 nonuse in measurement mode or after 1 hour if left in calibration mode.
The meter uses an exclusive positive-locking system to ensure that the cuvet is in the same position
every time it is placed into the measurement cell. It is designed to fit a cuvet with a larger neck
making it easier to add both sample and reagents. The cuvet is made from special optical glass to
obtain best results.
The HI96770 meter measures the molybdate reactive silica (SiO2) content in water samples in the 0
to 200 mg/L (ppm) range. The method is an adaptation of the USEPA METHOD 370.1 for drinking,
surface and saline waters, domestic and industrial wastes and Standard Method 4500-SiO2 C.
The reagents are in powder form and are supplied in packets. The amount of reagent is precisely
dosed to ensure the maximum repeatability.
||0 to 200 mg/L
||±5 mg/L @ 100 mg/L
|Typical EMC Deviation
||Light Emitting Diode
||Silicon Photocell with narrow band interference filter @ 466 nm.
Adaptation of the USEPA METHOD 370.1 for to drinking, surface and
saline waters, domestic and industrial wastes
and Standard Method 4500-SiO2 C. The reaction between silica and the
reagents causes a yellow tint in the sample.
||0 to 50°C (32 to 122°F); max 95% RH non-condensing
||1 x 9 volt
After 10' of non-use in measurement mode; after 1 hour of non-use
in calibration mode; with last reading reminder.
||192 x 102 x 67 mm (7.6 x 4 x 2.6")
||290 g (10 oz.)
HI96770 Ion Selective Meter is supplied with:
• Two Sample Cuvets and Caps
• 9V Battery
• Instruction Manual