Milwaukee Handheld Photometers

Model		Mi404	Mi405	MI406	MI407
Image
Type		Free & Total Chlorine	Mid-Range Ammonia	Free Chlorine	Low Range Ammonia
Range		0 to 5 mg/L Cl₂	0.00 to 9.99 mg/L (NH3-N)	0 to 5 mg/L Cl₂	0.00 to 3.00 mg/L (NH3-N)
Resolution	0 to 3.50 mg/L	0.01 mg/L	0.01 mg/L	0.01 mg/L	0.01 mg/L
Resolution	above 3.50 mg/L	0.10 mg/L	0.01 mg/L	0.10 mg/L	0.01 mg/L
Accuracy		±0.04 mg/L @ 1.5 mg/L	±0.10 mg/L @5.00 mg/L	±0.04 mg/L @ 1.5 mg/L	±0.04 mg/L @1.50 mg/L
Light Source		Tungsten Lamp	Blue LED 466 nm	Tungsten Lamp	Blue LED 466 nm
Method		Adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G	Adaptation of Nessler method	Adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G	Adaptation of Nessler method

Model		Mi408	Mi412	Mi413	Mi414
Image
Type		High Range Iron	Low Range Phosphate	High Range Free & Total Chlorine	Chloride
Range		0.00 to 5.00 mg/L Fe	0.00 to 2.50 mg/L PO₄	0 to 10 mg/L Cl₂	0 to 20 mg/L Cl
Resolution	0 to 3.50 mg/L	0.01 mg/L	0.01 mg/L	0.01 mg/L	±0.4 mg/L @ 10 mg/L
Resolution	above 3.50 mg/L	0.01 mg/L	0.01 mg/L	0.10 mg/L	±0.4 mg/L @ 10 mg/L
Accuracy		±0.03 mg/L @1.50 mg/L	±0.04 mg/L @1.00 mg/L	±0.10 mg/L @5 mg/L	±0.4 mg/L @ 10 mg/L
Light Source		Tungsten Lamp	Tungsten Lamp	Tungsten Lamp	Blue LED 466 nm
Method		adaptation of the USEPA method 315 B and Standard method 3500 - Fe B		adaptation of the USEPA method 330.5 and Standard Method 4500-Cl G	adaptation of mercury (II) thiocyanate method