Specifications

These user-friendly Colorimeters will give you direct
readings in mg/L.
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 must monitor and maintain
careful control of ammonia levels to ensure opti-
mum water conditions for their stock. Milwaukee
offers 2 instruments for low and medium con-
centrations: Mi405 with a range of 0.00 to 9.99
mg/L and Mi407 from 0.00 to 3.00 mg/L
Iron is naturally present in water supplies and its
presence in both potable and industrial applica-
tions is regarded as objectionable. Milwaukee
offers Mi408 Iron meter with a range of 0.00 to
5.00 mg/L.
Phosphates are present in natural waters and at concentra-
tions typically found, do not pose any specif-
ic health threats to humans.
However, excessive contamination of
water courses from agricultural fertilizer
run off or wastewater/effluent discharge
can promote excessive algae or plant
growth. Milwaukee offers Mi412 with
range 0.00 to 2.50 mg/L.
Mi405/Mi407/Mi408/Mi412
Ammonia, Iron & Phosphate Photometers
NH
3
-N/Fe/PO
4
38
www.milwaukeeinst.com
Accessories
Mi505-100 Ammonia MR reagent (100 tests)
Mi507-100 Ammonia LR reagent (100 tests)
Mi508-100 Iron HR reagent (100 tests)
Mi512-100 Phosphate LR reagent (100 tests)
Mi0001 Glass cuvets (2 pcs)
Mi0002 Caps for cuvets (2 pcs)
Mi0003 Stoppers for cuvets (2 pcs)
Mi0004 Tissue for wiping cuvets (4 pcs)
Mi0005 9V battery (1 pc)
Ordering Information
Mi405, Mi407, Mi408 and Mi412 are supplied complete
with 2 cuvets, reagents for 100 tests, hard carrying case,
wiping tissue, 9V battery and instructions.
Specifications
Mi405 Mi407 Mi408 Mi412
Ammonia MR Ammonia LR Iron HR Phosphate LR
Range Ammonia 0.00 to 9.99 mg/L (NH3-N) 0.00 to 3.00 mg/L (NH3-N)
Iron 0.00 to 5.00 mg/L Fe
Phosphate 0.00 to 2.50 mg/L PO4
Resolution Ammonia 0.01 mg/L 0.01 mg/L
Iron 0.01 mg/L
Phosphate 0.01 mg/L
Accuracy Ammonia ±0.10 mg/L @5.00 mg/L ±0.04 mg/L @1.50 mg/L
Iron ±0.03 mg/L @1.50 mg/L
Phosphate ±0.04 mg/L @1.00 mg/L
Method adaptation of Nessler method adaptation of Nessler method adaptation of the USEPA adaptation of Ascorbic Acid
method 315 B and Standard method
method 3500 - Fe B
Light Source Blue LED 466 nm Blue LED 466 nm tungsten lamp tungsten lamp
Light Detector silicon photocell and 466 nm silicon photocell and 466 nm silicon photocell and 525 nm silicon photocell and 610 nm
narrow band interference filter narrow band interference filter narrow band interference filter narrow band interference filter
Environment 0 to 50°C / 32 to 122°F; 0 to 50°C / 32 to 122°F; 0 to 50°C / 32 to 122°F; 0 to 50°C / 32 to 122°F;
max RH 100% max RH 100% max RH 100% max RH 100%
Battery Type 1 x 9 volt 1 x 9 volt 1 x 9 volt 1 x 9 volt
Auto-off after 10 minutes of non-use after 10 minutes of non-use after 10 minutes of non-use after 10 minutes of non-use
Dimensions 192 x 104 x 52 mm 192 x 104 x 52 mm 192 x 104 x 52 mm 192 x 104 x 52 mm
Weight 380 g 380 g 380 g 380 g