HI-700 Ammonia Low Range Colorimeter - Checker®HC (0.00 to 3.00ppm)

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  • Regular price £70.00
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Key features

  • Small palm-sized design
  • Accurate from ±0.05ppm ± 5% of reading
  • Dedicated to a single parameter
  • Uses a single AAA battery
  • Auto Power Off after 10 minutes in inactivity
  • Built-in timer for timed reaction readings

Order Information

The HI-700 Checker®HC is supplied with sample cuvettes with caps (2), ammonia LR reagents starter kit x 25 tests (HI-700-25), battery, instruction manual and a quick start guide.


Range 0.00 to 3.00 ppm NH3-N
Resolution 0.01
Accuracy @ 25°C ±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; 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
Weight 64g
Ordering Information HI-700 Checker® is supplied with (2) sample cuvettes with caps, ammonia reagent starter kit for 25 tests (1 bottle of HI-700A-0 reagent A and 1 bottle of HI-700B-0 reagents B), battery, instructions.
PLEASE NOTE: In some cases, samples may contain other parameters which may interfere with results
 Interference may be caused by: Hardness above 1 g/L
Various aliphatic and aromatic amines
Organic chloramines