SKU: 91240018029

Milwaukee MA920B/1 Direct Measurement Food Grade pH Probe

Sale price$103.93 Regular price$115.48
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Description

Milwaukee MA920B/1 Direct Measurement Food Grade pH ProbeMilwaukee MA920B 1 Direct Measurement Food Grade pH Probe The MA920 probe is a food grade probe for use with the MW101 or MW102 PRO pH meters. It is specifically designed for the pH analysis of semisolid foods such as processed meats, soft cheeses, soups, sauces, and sushi rice. The open junction design reduces clogging from suspended solids and proteins found in food and dairy products for a more stable pH measurement and reduced maintenance. The

Milwaukee MA920B/1 Direct Measurement Food Grade pH Probe

The MA920 probe is a food grade probe for use with the MW101 or MW102 PRO pH meters.  It is specifically designed for the pH analysis of semisolid foods such as processed meats, soft cheeses, soups, sauces, and sushi rice.

The open junction design reduces clogging from suspended solids and proteins found in food and dairy products for a more stable pH measurement and reduced maintenance.

The conical shaped tip design allows for penetration into solids, semi solids, and emulsions for the direct measurement of pH in a variety of food products.

Polyvinylidene fluoride (PVDF) is a food grade plastic that is resistant to most chemicals and solvents used for disinfection in the food sector, including chlorine (bleach).

Specifications:

  • pH Range: 0 -12
  • Temperature Range: -5 - 40 C / 23 - 104 F
  • Body Material: PVDF
  • Reference Electrolyte: Viscolene Gel
  • Reference Type: Singe, Ag / AgCl
  • Reference Junction: Open
  • Max Pressure: 0.1 bar
  • Tip Shape:  Conic
  • Diameter: 0.24 inches
  • Body Length / Overall Length: 2.95 / 5.1 inches
  • Cable length: Coaxil, 3.3 feet
  • Connection: BNC

CARE AND USE

pH meters usually start performing poorly because of problems with the probe, specifically the glass sensing bulb and the reference junction.  The glass bulb loses sensitivity with use and will eventually fail, which is true of all pH probes.  The reference junction is a small hole that allows the meter to compare the sample to a reference.  If the junction hole gets clogged, the pH probe will no longer function.

The life of your pH electrode can be extended in the following ways:

  1. Storage - The pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged. Storing in pH probe storage solution or pH calibration buffers will help address both these issues. Do not store in tap water and DI water, this will damage the sensitivity of the probe.  The best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended to store the electrode upright to further reduce the potential for leakage.
  2. Cleaning - Residue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. It is recommended to regularly soak your electrode in cleaning solution.
  3. Calibration - The pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO pH meter accurate. Also, calibrate after cleaning or a long period of storage.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91240018029

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4.3 ★★★★★
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Michelle Nord
Natrona Heights, US
★★★★★ 1
Cute but not great
Very cute but not a good toy for puppies. We first had to remove the squeaker and scent sachet as our 5 month old Mal-Shih figured out how to get it unzipped. Then she proceeded to chew the zipper up. It’s now in the trash and it was only 4 weeks old! It’s not functional for a puppy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2025
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Gloria
Belleville, US
★★★★★ 4
Has a zipper
I took out the squeak as my girl took it out as there is a zipper which I was surprised at for a dog toy. I just have to watch her with it until I can see it shut. The lavender is a good quality and she love it.
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Reviewed in the United States on May 19, 2026
J
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Julie C.
Bozeman, US
★★★★★ 5
Nice warming option
Very nice product, good quality. Held up for our dogs play & chewing. The warming option is nice & seemed to be comforting. Would recommend
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Reviewed in the United States on December 18, 2025
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Verified Purchase
DATGIRL
Natrona Heights, US
★★★★★ 2
Choke hazard
My furbaby (bichon) pulled the zipper rt off not even 5 mins after giving it to her. Grabbed squeaker and disappeared in her room. She comes back and shake it to see if another squeaker will fall out when she looking for a noise toy. Zipper is poorly put on and a choke hazard 2 stars for the squeaker
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Reviewed in the United States on March 13, 2025
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Verified Purchase
Caitlyn Rill
San Leandro, US
★★★★★ 3
Worked well but won't hold up
This was great when I brought my puppy home it helped her sleep. It's not durable though she chewed it up in a day or so.
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Reviewed in the United States on May 22, 2025

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