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Hanna Checker Ammonia HI784

$63.95
Item #
HI-784
Manufacturer
Hanna Instruments
Shipping
Eligible for Free Shipping Program
Availability
Out Of Stock

THIS ITEM IS ON BACKORDER




Our Marine Ammonia Checker HC (HI784) is designed to accurately and quickly determine the ammonia level in marine (saltwater) samples. The digital readout makes measurements effortless.
 
Range: 0.00 to 2.50 ppm (mg/L) NH3
Built-in timer so you don't miss a step
Saltwater Compatible
 
Our Ammonia Checker HC (HI784)  provides an uncomplicated, highly accurate, and budget-friendly way to measure ammonia (NH3/NH4+) in saltwater/marine environments.
 
Ammonia is naturally found as part of the nitrogen cycle of a tank as aquarium organisms produce it as waste. In a balanced tank, the majority of ammonia is consumed by bacteria and the nitrogen cycle continues. When out of balance, ammonia toxicity can wreak havoc on tank inhabitants. It is important to monitor ammonia levels to ensure they remain steady and low. The ammonia checker is designed as an exceptionally accurate alternative to chemical test kits, our Marine Ammonia Checker (HI784) provides quick, accurate results in a few easy steps.
 
Features at-a-glance
Simple and accurate digital test for small, trace amounts of ammonia
Easier to use and more accurate than chemical test kits
Dedicated to a single parameter
Small size, big convenience
Ideal for: Saltwater Aquariums, Marine, and Aquaculture Applications
Ammonia Checker Tips & Tricks for Accurate Measurements
Ensure the sample does not contain any debris.
Hold dropper bottles completely vertically and squeeze slowly to ensure correct drop size.
Whenever the cuvette is placed into the checker, it must be dry outside and free of fingerprints, oil and dirt.
Wipe the cuvette thoroughly with HI731318 microfiber cleaning cloth or a lint-free cloth prior to insertion.
Shaking the cuvette can generate bubbles, causing higher readings. To obtain accurate measurements, remove such bubbles by swirling or by gently tapping the cuvette.
Do not let the reacted sample stand too long after reagent has been added, as accuracy will be affected.
Discard the sample immediately after the reading has been taken or the glass might become permanently stained.
Prepare sample cuvette immediately after collecting sample from tank. Ammonia is volatile and will dissipate if stored in a bottle before analysis, causing low measurements.
If the prepared sample cuvette becomes cloudy the measurement will not be accurate.
Prepare a new sample by adding an extra 1-2 drops of HI784A-0 Reagent.
 
HI784 Specifications
Range 0.00 to 2.50 ppm (mg/L) NH3
Resolution 0.01ppm
Accuracy @ 25°C/77°F ±0.05 ppm ±5% of reading @ 25 °C (77 °F)
Light Source Light Emitting Diode @ 610 nm
Light Detector Silicon photocell
Method Adaptation of the Salicylate Method. The reaction between Ammonia and Ammonium and the reagent causes a blue‑green tint in the sample.
Battery Type 1.5V AAA Alkaline
Auto-off After 20 minutes of non-use and 10 minutes after reading
Environment 0 to 50 °C (32 to 122 °F); max. 95% RH non-condensing Prepared sample cuvette (sample plus reagents) must be 18 to 29 °C (65 to 85 °F)*.
Dimensions 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5”)
Weight 64 g (2.3 oz)
Ordering Information Each HI784 is delivered in a case with custom insert and is supplied with: Marine Ammonia reagent starter kit (reagents for 10 tests), Sample cuvette and cap (2 pcs.), Plastic refilling pipette (1 pc.), 1.5V AAA Alkaline battery (1 pc.), Instruction manual and Quick-reference guide.
Reagent Set HI784-25 (25 tests)
Calibration Set HI784-11
Warranty 1 year

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