Milwaukee Ammonia Colorimeter

MET-OT-0010 Milwaukee Mi407 Colorimeter measures ammonia in your water.
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£199.74 inc-VAT


Milwaukee provides a range of Ammonia photometers for all applications. Ammonia detection in water treatment systems is particularly important for aquarium owners and fish farm operators. Ammonia is highly soluble in water and extremely toxic to fish. Fish farm owners & aquarists must monitor and maintain careful control of ammonia levels to ensure optimum water conditions for their stock.


Milwaukee offers the Low Range Photometer the Mi407 that reads from dissolved ammonia at levels 0.00 to 3.00 mg/L.


Milwaukee Photometers are simple to use and provide fast accurate results, simply read them from the large digit LCD display. Take out the guesswork of wondering which colour band your sample matches from a colour chart. Get hold of a state of the art digital Chlorine Photometer, equipment you can rely on!


This meter is delivered in a foam lined plastic storage case complete with all accessories. We ship immediately (normally same day). Quoted shipping costs are within UK, please contact us for Export freight rates. 


A link is to manufacturers specification & calibration video are detailed below.


The Full Manufacturer Specification is here (click this link)


Manufacturers link Manufacturers Website

Full UK support from authorised UK Distributor, with 12 months warranty.

The warranty is subject to the meter been used in accordance with the manufacturers recommendations with regards to caring for the device. The warranty does not cover customer abuse or lack of care.


  • Range: 0.00 to 3.00 mg/L (NH3- N)
  • Resolution: 0.01 mg/L
  • Accuracy: ±0.04 mg/L @ 1.50 mg/L
  • Method: Adaptation of Nessler method
  • Light Source: Blue LED 466 nm
  • Light Detector: Silicon Photocell and 466 nm narrow band interference filter
  • Environment: 0 to 50°C / 32 to 122°F max RH 100%
  • Battery Type: 9 Volt
  • Auto Off: after 10 minutes of non-use
  • Dimensions 192 x 104 x 52 mm
  • Weight 380 g
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