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


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


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

A Range Of Varieties

We breed a number of varieties of Koi each year and use our many years of experience to select the very best.

Hundreds Of Awards

We breed the finest Koi (Nishikigoi) in the UK and have won hundreds of awards for their owners over the years.

Online Or In-Person

You can buy the Koi we breed direct from us by visiting our farm in Oxfordshire, or you can order online.
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