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HI 93733
Ammonia Photometer with
470 nm LED
DESCRIPTION
Ammonia
is often an excellent indication of the presence of animal or plant
microbiological decay.
It
is tested in fish farms (fresh and salt water tanks) due to the damaging
effects of its toxic nature.
Its
presence in rivers and reservoirs normally points to agricultural and/or civil
pollutants.
Ammonia
is tested in lakes, rivers, portable water, boiler feed water, sewage,
industrial and waste water.
Ion
Selective electrodes currently used for these measurements require up to 5
minutes for a stable response time, normally last only 3 to 6 months.
On
the other hand, 3 or 4 Chemical Test Kits using color cubes are needed to cover
the full range.
The
best increment with chemical test kits is never better than 0.1 mg/L and in
most cases, only 0.5 mg/L.
HANNA instruments offers three instruments for low, medium and high
concentrations: HI 93700 with a range of 0.00 to 3.00 mg/L,
HI
93715 from 0.00 to 9.99 mg/L and HI 93733 measuring from 0.0 to 50.0 mg/L for applications with higher concentrations.
SPECIFICATION
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Range
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0.0 to 50.0 mg/L
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Resolution
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0.1 mg/L
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Accuracy
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±0.5 mg/L ±5% of reading
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Light
Source
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LED 470 nm
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Light
Life
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Life of the instrument
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Light
Detection
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Silicon Photocell
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Battery Type / Life
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1 x 9V / approx. 40 hours of continuous use;
auto-off after 10 minutes of non use
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Environment
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0 to 50°C (32 to 122°F); RH max 95% non-condensing
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Dimensions
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180 x 83 x 46 mm (7.1 x 3.3 x 1.8")
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Weight
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290 g (10 oz.)
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Methods
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Adaptation of the ASTM Manual of Water and Environmental
Technology, D1426-92, Nessler Method.
The reaction between ammonia and reagents causes a yellow tint in the sample
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