This is the Free & Total Chlorine and pH Professional Photometer  Mi411

3 in 1 Combination Photometer.
This latest laboratory grade Microprocessor photometer has an excellent repeatability and is ideal for field measurements. Chlorine is the most commonly used water disinfectant.
Applications vary from treatment of drinking water and wastewater to pool and spa sanitization and food processing to sterilization.

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Milwaukee Instruments has developed the Mi411, a portable microprocessor based instrument to measure three critical parameters to ensure good water quality: pH, free chlorine and total chlorine.
This instrument provides greater resolution, better accuracy and immediate results.

Mi411 is supplied in a hard carrying case including 2 cuvets, reagents for 100 tests, wiping tissue and instruction manual.

Hard Carrying Case
Mi411 comes complete in hard carrying case, making it ideal for field measurements.
Glass Cuvets
Mi411 is supplied complete with 2 cuvets, liquid reagents for 100 tests, hard carrying case, wiping tissue, 9V battery and instructions.
SPECIFICATIONS
Free Chlorine Range0.00 to 5.00 mg/l Cl2
Total Chlorine Range0.00 to 5.00 mg/l Cl2
pH Range
6.5 to 8.0 pH
Free Chlorine Resolution0.01 mg/l (0.00 to 3.50 mg/l); 0.10 mg/l (above 3.50 mg/l)
Total Chlorine Resolution0.01 mg/l (0.00 to 3.50 mg/l); 0.10 mg/l (above 3.50 mg/l)
pH Resolution0.1 pH
Free Chlorine Accuracy±0.04 mg/l @1.50 mg/l
Total Chlorine Accuracy±0.04 mg/l @1.50 mg/l
pH AccuracypH ±0.1 pH @7.2 pH
Free Chlorine Methodadaptation of the USEPA method 330.5 and Standard Method 4500-Cl G
Free Chlorine Methodadaptation of the USEPA method 330.5 and Standard Method 4500-Cl G
pH Methodadaptation of the phenol red method
Light Sourcetungsten lamp
Light Detectorsilicon photocell and 525 nm narrow band interference filter
Environment0 to 50°C / 32 to 122°F; max RH 100%
Battery Type1 x 9V (included)
Auto-offafter 10 minutes of non-use
Dimensions192 x 104 x 52 mm
Weight380 g
ACCESSORIES
Mi504-100Free & Total Chlorine reagent set
(100 tests)
Mi509-100pH reagent (100 tests)
Mi511-100Free & Total Chlorine and pH reagent
set (100 tests)
Mi0001Glass cuvets (2 pcs)
Mi0002Caps for cuvets (2 pcs)
Mi0003Stoppers for cuvets (2 pcs)
ORDERING INFORMATION
Mi411 is supplied complete with 2 cuvets, liquid reagents for 100 tests, hard carrying case, wiping tissue, 9V battery and instructions.