Hanna HI-981034 Foodcare Milk pH Tester
About the tester
- Liquid Crystal Display
- On/off button
- pH probe with maximum & recommended immersion level
Press the on/off button to turn the meter on. All tags will be displayed. The meter will go into measurement mode with current reading and calibrated buffers displayed.
The meter has a range of 0.0 to 12.00 pH and a resolution of 0.01pH with accuracy at ±0.05pH @ 25°C. Calibration is automatic at one or two-point.
The built-in probe is for the specific application listed.
With an easy to change battery facility, the HI-981034 has an approximate battery life of 1000 hours of continuous use and has an auto-off feature enabled after 8 minutes or 60 minutes.
Featuring a liquid crystal display, the meter weighs in at 50g and measures 51 x 159 x 21mm. For best results, operate in 0 to 50°C, RH 95% max environment.
The meter is shipped with a protective cap on the electrode containing storage solution.
Low Temperature Glass Tip and Open JunctionThe glass tip uses a special low temperature glass formulation. This is beneficial since many food products are at low temperature. The open junction design consists of a solid gel interface between the sample and the internal reference wire. This makes it impermeable to clogging after measurements.
Conical Glass TipThe conical shaped tip design allows for penetration into solids, semi-solids, and emulsions for the direct measurement of pH in samples such as milk and yogurt.
About milk production
The measurement of pH in milk is important in testing for impurities, spoilage, and signs of mastitis infection. While there are a number of factors that affect the composition of milk, pH measurements can help producers understand what might be causing certain compositional changes. pH measurement is commonly performed at various points in a milk processing plant.
Milk with pH values higher than pH 6.7 potentially indicate that the milk may have come from cows with a mastitis infection. Mastitis is on ever-present challenge with dairy milking cows. When infected, the cow’s immune system releases histamine and other compounds in response to the infection. There is a resulting increase in permeability of endothelial and epithelial cell layers, allowing blood components to pass through a paracellular pathway. Since blood plasma is slightly alkaline, the resulting pH of milk will be higher than normal. Typically milk producers can perform a somatic cell count to detect a mastitis infection, but a pH measurement offers a quick way to screen for infection.
Understanding the pH of raw milk can also help producers optimise their processing techniques. For example, in operations that use Ultra High Temperature (UHT) processing, even small variations from pH 6.7 can affect the time required for pasteurisation and the stability of the milk after treatment.
Specifications Hanna HI-981034 Foodcare Milk pH Tester
|Range||0.0 to 12.00 pH|
|Accuracy||±0.05 pH @ 25°C|
|Calibration||Automatic, one or two-point|
|Electrode||Built-in probe for specific application|
|Battery Type||CR2032 Li-ion|
|Battery Life||Approximately 1000 hours of continuous use|
|Auto-off||8 minutes, 60 minutes or can be disabled|
|Environment||0 to 50°C, RH 95% max|
|Dimensions||51 x 159 x 21mm|
Hanna HI-981034 Foodcare Milk pH Tester Manual
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