1300 662 720

Customer Support

1300 662 720

Customer Support


Free & Total Chlorine Professional Photometer.

Currently Out of Stock, Backorder only! This item may take 3-4 weeks to deliver. Call us on 1300 662 720

$ 603.41 Ex. GST


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Milwaukee provides a range of chlorine photometers for all applications: swimming pool treatments, household cleaners, dishwasher additives, laundry powders/liquids and cooling water treatment products all contain chlorine as an oxidizing biocide. Drinking water contains residual chlorine to maintain water purity throughout the supply lines.

Milwaukee offers the Mi404 Professional Photometer, a microprocessor-based instrument with greater resolution, better accuracy and immediate results for measuring free (0.00 to 5.00 mg/L) and total (0.00 to 5.00 mg/L) chlorine.


Mi404 is supplied complete with 2 cuvets, reagents, hard carrying case, wiping tissue, 9V battery and instructions.


Free Chlorine Range 0.00 to 5.00 mg/L Cl2
Total Chlorine Range 0.00 to 5.00 mg/l Cl2
Free Chlorine Resolution 0.01 mg/l (0.00 to 3.50 mg/l); 0.10 mg/l (above 3.50 mg/l)
Total Chlorine Resolution 0.01 mg/l (0.00 to 3.50 mg/l); 0.10 mg/l (above 3.50 mg/l)
Free Chlorine Accuracy ±0.04 mg/l @1.50 mg/l
Total Chlorine Accuracy ±0.04 mg/l @1.50 mg/l
Method adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G
Light Source tungsten lamp
Light Detector silicon photocell and 525 nm narrow band interference filter
Environment 0 to 50°C / 32 to 122°F; max RH 100%
Battery Type 1 x 9V (included)
Auto-off after 10 minutes of non-use
Dimensions 192 x 104 x 52 mm
Weight 380 g



Instruction Manual