Hanna Instruments HI96725
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Description:
Legionella species is the agent that causes human Legionnaires’ disease as well as the lesser form, Pontiac Fever. Transmission is facilitated by the inhalation of mist droplets containing the Legionella bacteria.
Common sources of Legionella include cooling towers used in industrial cooling water systems as well as in large central air conditioning systems, domestic hot water systems, fountains, and similar disseminators that draw from a public water supply. Natural sources include freshwater ponds and creeks. Since Legionella is especially harmful to people with weakened immune systems, it should be actively checked for in the water systems of hospitals and nursing homes.
The HI96725 measures 4 parameters that are crucial in monitoring for preventive maintenance or disinfection.
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Range
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Cl, Free
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0.00 to 5.00 mg/L (ppm)
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Cl, Total
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0.00 to 5.00 mg/L (ppm)
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CYA
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0 to 80 mg/L (ppm)
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pH
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6.5 to 8.5 pH
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Resolution
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Cl, Free
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0.01 mg/L
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Cl, Total
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0.01 mg/L
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CYA
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1 mg/L (ppm)
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pH
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0.1 pH
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Accuracy @25°C
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Cl, Free
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±0.03 mg/L ±3% of reading
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Cl, Total
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±0.03 mg/L ±3% of reading
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CYA
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±1 mg/L ±15% of reading
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pH
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±0.1 pH
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Light Source
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tungsten lamp
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Light Detector
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silicon photocell with narrow band interference filter @ 525 nm
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Power Supply
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9V battery
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Auto-off
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after ten minutes of non-use in measurement mode; after one hour of
non-use in calibration mode; with last reading reminder
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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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192 x 104 x 69 mm (7.6 x 4.1 x 2.7″)
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Weight
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360 g (12.7 oz.)
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Method
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Chlorine
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adaptation of the EPA recommended DPD method 330.5
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CYA
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adaptation of the Turbidimetric method
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pH
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Phenol Red method
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Solutions
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HI93703-50 |
Cuvette Cleaning Solution
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Accessories
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HI731331 |
Glass Cuvette Set
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HI731335 |
Cuvette Cap for HI957xx Series Meters
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HI731318 |
Cuvette Cleaning Cloth
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Reagents & Standards
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HI93701-01 |
Chlorine, free, DPD Method (100 Tests)
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HI93701-03 |
Chlorine, free, DPD Method (300 Tests)
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HI96710-11 |
CAL CHECK™ standard cuvettes(pH)
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HI93710-01 |
pH, Phenol Red Method (100 Tests)
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HI93710-03 |
pH, Phenol Red Method (300 Tests)
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HI93711-01 |
Chlorine, Total, DPD Method (100 Tests)
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HI93711-03 |
Chlorine, Total, DPD Method (300 Tests)
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HI96722-11 |
CAL CHECK™ standard cuvettes(CYS)
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HI93722-01 |
Cyanuric Acid, Turbidimetric Method (100 Tests)
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HI93722-03 |
Cyanuric Acid, Turbidimetric Method (300 Tests)
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