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The Milwaukee MW600 is a portable dissolved oxygen (DO) meter for educational, aquaculture, water analysis, and environmental analysis applications, with an LCD screen and polarographic probe with 3m cable and screw-on cap membrane. The meter has two-point manual calibration and automatic temperature compensation from 0 to 30°C. It runs on one 9V alkaline battery (included). DO meters are commonly used in water-quality testing applications.
Specifications
Range0.0 to 19.9 mg/LResolution0.1 (ppm / mg/L)Accuracy+ or - 1.5% Full ScalePower sourceOne 9V alkaline battery (included)Dimensions145 x 80 x 40mm (H x W x D)Weight (with battery)220gH is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back
.Dissolved oxygen (DO) meters measure the amount of dissolved oxygen present in water. The amount of DO helps to determine, for example, drinking water quality, the health of lakes or streams, and aquatic organism sustainability. A probe, also called a sensor or electrode, is inserted into the sample to perform the measurement, and the results appear on the meter display. Applications include sewage and water treatment plants, pollution control, fish farms, and various types of manufacturing.
Milwaukee Instruments manufactures electrochemical instrumentation and solutions for water analysis under the Milwaukee and Martini brands. The company, founded in 1989, is headquartered in Rocky Mount, NC.
What’s in the Box?
- MW600 meter
- MA840 DO polarographic probe with 3m cable
- Calibration screwdriver
- (2) Spare membranes
- Electrolyte solution (20 mL bottle)
- 9V alkaline battery
- Instructions
Viviana van Vliet
Reviewed in the United States on June 19, 2024
I loved
Atlanta Network Guy
Reviewed in the United States on November 9, 2022
I have multiple aquariums and use this to take the guess work out of knowing if the fish have a reasonable amount of oxygen, and ifvI can add more fish to a given tank without the silly rules of thumb the kid at the pet store give you. I tried lower cost meters and found trying to save a few dollars leads to poorly translated manuals and poorly made products. This one is a few dollars more than the bottom of the line junk but provides good value for your dollar.Given that a Dissolved Oxygen reading is not an instantaneous process like reading values with a voltmeter, you must wait for a membrane to become saturated in an electrochemical process, this meter has provided consistent values in test solutions of known oxygen content, so my confidence is high that it is giving me good readings in my environment, as long as I am patient enough to let the probe go the saturation before taking a reading.
Los Lolos
Reviewed in the United States on November 26, 2019
Great purchase for use in high school biology class. Have to constantly warn to not screw off the cap, but pull. Calibration was easy and fast.
Chris
Reviewed in the United States on July 9, 2015
Great equipment for the price. Milwaukee makes great equipment. Very simple to operate and to calibrate. Just follow the you-tube videos.
Katy Hoster
Reviewed in the United States on June 1, 2015
Never worked. Not even once. I calibrated it, following the manual's instructions. Then I put the cap on it, again following instructions. The cap would not come off. While trying to remove the cap (twisting and tugging gently), the sensor snapped off. This is a worthless piece of crap. I am very angry to have been duped out of $200. I am not in a part of the world where it is easy to get equipment. It will take me months, months of lost data, to replace this meter. I hope the manufacturers die in a fire.
Lianimals
Reviewed in the United States on August 28, 2014
Very nice, professional-quality unit but the instructions leave alot to be desired. I am a field biologist used to operating various devices for measuring environmental parameters but I found the instructions for calibrating, operating and storing this unit confusing at best and simply non-existent at worst. There is a small additional sheet of instructions for unit calibration that differs quite a bit from the included "manual" (which consists of a small 5"x 6", 5-page booklet). Furthermore, the included protective cap designed to be placed over the diode doesn't fit at all. I have contacted the company to hopefully clarify some of my questions and their website is okay in that it does include a video showing some calibration techniques but the FAQ section is dismal. On the bright side, the unit included 2 more replacement membranes than it listed in the product description and most importantly, it does appear to accurately measure the D.O. in my koi pond.
jrrecker
Reviewed in the United States on May 15, 2014
Been using this meter once a week for past 2 months with no problems. I ordered spare membranes but did not have to as the meter is shipped with spares. I would recommend using a mag stir plate and stir bar, I built mine from a electronics cooling fan and a variable voltage power supply I made years ago, could be driven with a battery.
KeKoa
Reviewed in the United States on March 15, 2013
Didn't really work as advertised, probe wore out quick even though I followed all instructions and care directions that were listed.
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