Range

0.00 to 3.00 ppm NH₃-N

Resolution

0.01 ppm

Accuracy @ 25°C/77°F

±0.05 ppm ±5% of reading

Light Source

LED @ 470 nm

Light Detector

silicon photocell

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.

Environment

0 to 50°C (32 to 122°F); RH max 95% non-condensing

Battery Type

(1) 1.5V AAA

Auto-off

after ten minutes of non-use

Dimensions

81.5mm x 61mm x 37.5mm (3.2" x 2.4" x 1.5”)

Weight

64 g (2.25 oz.)

Ordering Information

HI700 Checker® is supplied with (2) sample cuvettes with caps, ammonia reagent starter kit for 25 tests (1 bottle of HI700A-0 reagent A and 1 bottle of HI700B-0 reagent B), battery, instructions.