pH, Free & Total Chlorine PRO Photometers

Name: pH, Free & Total Chlorine PRO Photometers
Brand: Milwaukee Instruments
SKU: MI411-GROUP
Price: 380.65 USD

Manufacturer: Milwaukee Instruments

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Price Chart

Grouped product items
Cat Code	Description	Quantity	Resolution	Price	Price	Qty
MI411 MI411	PRO 3-in-1 (pH, Free, & Total Chlorine) Photometer	Each	0.01 mg/L (0.00 to 3.50 mg/L), 0.1 mg/L (above 3.50 mg/L)	$380.65		+ -
Total $0.00

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Accessories

Grouped product items
Cat Code	Description	Quantity	Temperature Range	pH Range	For Use With	Concentration Range	Price	Qty
MA917B/1 MA917B/1	Replacement Refillable Glass Body, Double Junction pH Electrode	Each	20 to 40°C	0 to 14 pH	pH Meters		$175.95	+ -
MI0001 MI0001	Replacement 10 mL Glass Cuvettes for Photometers	2/Pack					$20.70	+ -
MI504-100 MI504-100	Free & Total Chlorine Photometer Liquid Reagent Kit (100 Tests)	Each				0 to 5 ppm (mg/L)	$58.65	+ -
MI509-100 MI509-100	pH Photometer Liquid Reagent Kit (100 Tests)	Each		6.5 to 8 pH			$29.35	+ -
MI511-100 MI511-100	pH, Free & Total Chlorine Photometer Liquid Reagent Kit (100 Tests)	Each		6.5 to 8 pH		0 to 5 ppm (mg/L)	$92.00	+ -
Total $0.00

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pH, Free & Total Chlorine PRO Photometers, such as the Milwaukee MI411, measure both pH and free and total chlorine in a single unit. With a chlorine range of 0.00-5.00 mg/L and pH range of 6.5-8.0, the MI411 is well suited for pools, aquaculture, water conditioning, and educational use. Key features include a built-in timer, indexed cuvette chamber, error messaging, and simple zero-point calibration.

Description

Overview

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The Milwaukee MI411 PRO Photometer delivers fast, lab-grade measurement of both pH and free and total chlorine in a single rugged, portable unit. Ideal for pools, aquaculture, water conditioning facilities, and educational settings, the MI411 combines two critical water quality parameters into one easy-to-use device. A built-in reaction timer, indexed cuvette chamber, and error messaging system work together to ensure consistent, accurate results regardless of operator experience level.

Features:

Measures free and total chlorine (0.00-5.00 mg/L) and pH (6.5-8.0) in a single meter
Chlorine accuracy ±0.06 mg/L @ 1.50 mg/L; pH accuracy ±0.1 @ 7.2 pH
Chlorine resolution 0.01 mg/L (0.00-3.50 mg/L) and 0.1 mg/L (above 3.50 mg/L); pH resolution 0.1
Adaptation of USEPA Method 330.5 and Standard Method 4500-CL G for chlorine; phenol red method for pH
Built-in timer ensures proper reagent reaction time before automatically taking the reading for consistent, repeatable results
Indexed cuvette chamber with lock-and-key cuvette cap fit ensures consistent positioning and path length for accurate readings
Built-in error messaging alerts for no cap, over/under range, light source errors, and zero calibration errors
Simple zero-point calibration — insert unreacted sample cuvette, index, and press zero
Large digital LCD readout for fast, easy-to-read results
Lightweight and portable with a rugged design built to withstand daily use
Auto shut-off after 10 minutes of non-use (9V battery included)
Replacement reagents available: MI511-100 (pH/DPD combination), MI504-100 (chlorine only), MI509-100 (pH only)