Jar tester Minimix

200.00 $ USD2,000.00 $ USDUSD

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The Minimix is the smallest and lightest jar tester system available. With a footprint of only 16” x 4”, a height of 8”, the Minimix system can go anywhere with ease.

The Minimix is not intended to be a substitute for full-featured jar tester systems such as the CLM models. It has been specifically designed for those users whose applications make its ultra-compact features important. Such users might include chemical sales representatives, consulting engineers, environmental scientists, troubleshooters, regulatory authorities, and others whose work involves travel to different locations and where transporting a larger unit may at times be a problem. Also, the smaller 500 mL jar size is often a significant advantage in off-site work, where available sample volumes are usually limited.


The Minimix system consists of fives main components: the integrated four cells-jar sample module, the mixer unit, the control panel, a small illumination base (in option) and a carrying case.

Four cells – Jar module

Made of clear acrylic, each cell of the jar module is filled with water samples and the mixer unit simply placed on top of it. There is no need to manipulate individual paddles, and no shaft binding resulting from water being deposited in bearings as paddle shafts are lifted through them.

Mixer unit

After selecting the required jar test sequence on the control panel dial, the mixer is started, chemicals are added, and the coagulation / flocculation sequence is carried out in the normal way. At the end of the flocculation period, the paddles are stopped and the floc allowed to settle. The mixer unit can be lifted out of the sample jars for this phase (it unlocks instantly) or left in place.

After the desired settling periods, sampling may be carried out using the miniature stopcock-based sampling ports provided on each jar compartment (optional).

The Minimix is constructed from the same high-quality materials used in our other systems – epoxy coated aluminum housings, stainless steel paddles and shafts, long-lasting nylon gears, lifetime-lubricated oil-impregnated bronze bearings, and clear acrylic jar assembly.

Even if the Minimix has a high torque motor there is always a limit. Minimix was designed to run jar test on potable water, wastewaters, primary and secondary sludge and polymer preparation. If you application differs, please contact us to see if you can use the Minimix; otherwise the warranty will not apply.

Control panel

The Minimix can be powered from any 12V DC supply, through a standard power jack on the rear of the unit. Normally, this power would be provided by the 12V DC plug-in wall transformer supplied with the system. This power supply is universal input, and can be used with any 90 to 264 volt AC, 47 to 63 Hz electrical power allowing it to be used in nearly every country in the world. Many other 12V DC power sources can also be used – including sealed gel-cells, nickel cadmium battery packs, vehicle cigarette lighter adapters, and others.

Controls for the Minimix can be as simple as they could be:


Illumination base (in option)

Proper illumination helps for consistent observation of the samples being tested. The Minimix jar tester system incorporates a high-efficiency LED system for illumination of the samples.

Carrying cases

The case can hold the mixer unit, jar assembly, and power supply with a useful amount of space left over. This space can be used for storage and transportation of other frequently used items such as chemical reagent bottles, dosing syringes, sample containers, or other equipment.

  • Base model carrying case

The Minimix system is normally supplied in a rugged, lightweight molded plastic carrying case.

The carrying case is similar in size to an ordinary briefcase, about 17”x12”x5”. With equipment, it weighs less than 12,3lb (5,6 kg), including all Minimix components and typical accessories.

  • Custom Airplane carrying case

For those who are flying a lot and not interested in carrying a jar tester unit in the plane we recommend the airplane carrying case that is more robust than the base model.

Below are a few of our most frequent questions, along with their answers. Fell free to contact us directly  if you don’t see your question listed below. 1-418-650-9154 or adurocher@mcrpt.com

See also General FAQ

Q: Which of your jar tester products would be best for my application?

A: That depends on the application. For typical work in a fixed location such as a conventional water treatment plant, we usually recommend our CLM6 six-station standard jar tester. Those needing to do work at different sites, such as consulting engineers and chemical sales representatives, usually prefer our CLM4 four-station unit. It’s smaller and lighter, and has an optional carrying case available. If very small size and light weight are important – such as where frequent air travel is involved – we offer the MLM4 Minimix, which comes in a carrying case not much larger than an ordinary briefcase. Finally, for work with dissolved air flotation, our DBT6 DAF jar tester will allow accurate simulation of the flotation process. Please feel free to contact us – we will be happy to discuss your specific application with you and suggest the most appropriate equipment for your particular situation.

Q: Do you offer advice on conducting jar tests, and assistance with interpreting results?

A: Our aim is to offer our customers solutions to their problems, not just sell them equipment. If we can help in any way with advice or assistance, we will be more than happy to do so. Please feel free to call or email us.

Q: Do you have any literature on jar testing procedures?

A: We have found that most of the available information on jar testing procedures is, quite frankly, not very useful. We are working on detailed, step-by-step, illustrated, “real-world” guides to procedures for both conventional and DAF jar testing procedures. This is a fairly significant undertaking, and unfortunately the project won’t be completed for a while yet. As soon as it is, we will make the information freely available on this web site.

Q: Can I use a standard jar tester for work with dissolved air flotation?

A: Up to a point. A conventional (non-DAF) jar tester can give you an idea of what chemical types and dosages will coagulate, form a floc, remove color, and so on. But that’s where it ends. You have no way of determining how well the solids you have produced will behave in the flotation process – and that of course is a key factor in determining treated water quality. It’s just not possible to predict flotation efficiency from the appearance of the floc particles or by observing how well they settle. In fact, many times we’ve seen people doing jar tests and going in the complete opposite direction from the way they should be going for flotation, simply because they’re trying to produce a floc which would be considered “good” for conventional gravity settling. If you have DAF in the plant and you need to do jar tests, your jar tester should have DAF capability.

Q: Can I order parts such as extra jars?

A: Yes, you can order any part for any ECE equipment, at any time. Please contact us for price and delivery information if the item is not shown on our price lists.

Additional information


Minimix + illumination base + sampling ports, Minimix + illumination base, Miminix + sampling ports, Minimix (basic model), Illumination base (coming with split cable), Jar module with sampling ports (coming with sampling accessories+ 4 beakers), Jar module without sampling port, Deluxe airplane carrying case (differential cost to replace the basic carrying case by the airplane carrying case)