Ammonia
Ammonia Range 0.0 to 99.9 ppm as NH₄⁺
Ammonia Resolution 0.1 ppm
Ammonia Accuracy ±1.0 ppm ±5% of reading
Ammonia Method 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.
General Meter
Automatic Shut-Off after ten minutes of non-use
Battery Type/Life (1) 1.5V AAA
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 81.5mm x 61mm x 37.5mm (3.2″ x 2.4″ x 1.5”)
Weight 64 g (2.25 oz.)
Photometer/Colorimeter Light Source LED @ 470 nm
Photometer/Colorimeter Light Detector silicon photocell
Ordering Information HI733 Checker® is supplied with (2) sample cuvettes with caps, ammonia reagent starter kit for 25 tests (1 bottle of HI733A-0 and 1 bottle of HI733B-0), battery, instructions and quick start guide.