Beschreibung
Hanna Instruments Portable pH Meter for Yogurt HI99164
The Hanna Instruments Portable pH Meter for Yoghurt HI99164 is a measuring device specially developed for the food industry that significantly increases process reliability in the production of natural yoghurt and other fermented dairy products. Thanks to the precise HACCP-compliant pH and temperature adjustment, important process parameters can be reliably measured, thus optimizing production and quality assurance. Similar equipped solutions such as the [Hanna Instruments pH meter for meat HI99163] have comparable functions, but are aimed at other areas of application, while the device presented here is specifically designed for the requirements of yoghurt.
Versatile application in food production
This portable measuring instrument supports food companies in carefully monitoring the pH value during fermentation. Especially when converting lactose into lactic acid, the exact measuring point plays a decisive role in stopping the fermentation process in good time. This allows the desired taste nuances and the ideal consistency to be achieved. The robust, splash-proof housing (IP67) and the powerful FC2133 pH electrode with conical tip ensure reliable measurements even under demanding conditions.
Thanks to the Quick-Connect DIN connection, an application-specific electrode can be connected safely and watertight. This minimizes measurement errors, as the effects of moisture or contamination from dust are eliminated as far as possible. There is also no need for tedious screw connections or cumbersome handling with adapters.
Important features and technical highlights
– pH measuring range from -2.0 to 16.0: Ideally suited for various fermentation processes
– Automatic pH calibration: One or two-point calibration with standard values (e.g. pH 4.01 and 7.01).
– HACCP compliance: Compliance with relevant regulations in the food industry.
– Robust IP67 housing: High resistance to dust and water.
– Large LCD multilevel display: Easy to read pH value and temperature.
– Automatic temperature compensation: Accurate measurement at temperatures from -5 to 105 °C.
– Simultaneous recording of important parameters: Direct display of pH value, temperature and electrode status.
In addition, the following aspects should be noted: The device can be taken to changing locations without the user having to make any major preparations. The battery life is around 1400 hours, which is sufficient for long-term use in quality assurance laboratories or directly on production lines. The splash-proof exterior is very helpful when working in environments where a lot of liquids or steam are handled. In addition to calibration buffers and cleaning solutions, the scope of delivery also includes batteries and a sturdy carrying case.
Certifications and standards
For professional use in the food industry, it is crucial that measuring devices are HACCP-compliant. The device presented here has been specially designed to comply with HACCP principles and is therefore ideal for process monitoring in yoghurt production. The IP67 certification also confirms its water and dust resistance, ensuring maximum reliability.
Concrete application examples
– Determining the final pH value in the production of natural yoghurt to stop the fermentation process with pinpoint accuracy
– Quality control in dairies: testing samples directly on the production line.
– Recipe tests in the development laboratory: determination of optimum pH values for new yoghurt variants.
– Sustainable process optimization through continuous measurements and documentation in accordance with HACCP specifications.
Such applications usually involve fermented products in which relevant cultures such as Lactobacillus bulgaricus or Streptococcus thermophilus can significantly change the pH value in a short period of time. Continuous measurement helps to effectively monitor the time-critical phase of acidification and ensure a consistent, high-quality end product.
FAQs
How often does the device need to be calibrated?
This depends heavily on the frequency of use and the environmental conditions. For precise results, it is recommended to calibrate the device at least once a day or after a large number of measurements.
Is the measuring device only suitable for yogurt?
Although it was developed for yoghurt applications, it can also be used in other areas of the food industry if similar measurements are to be taken or comparable process conditions exist.
Must a warm-up time be observed before measurement?
No, the measuring device can be used immediately after switching on. As soon as the sensor is immersed in the sample to be measured, the measured value stabilizes within a short time.
Is the electrode replaceable?
Yes, the electrode can be easily removed thanks to the Quick Connect DIN connection and replaced with a suitable model for other applications.
Can accurate temperature measurements be taken?
The integrated temperature sensor enables automatic temperature compensation from -5 to 105 °C, which prevents specific measurement errors under different sample conditions.
Conclusion
The HI99164 is the ideal tool for dairies and food manufacturers who need to quickly and reliably check the pH value and temperature in yoghurt. Thanks to its user-friendly design, robust construction and specific HACCP alignment, the measuring result combines maximum accuracy with convenient handling. Anyone who depends on consistent quality, efficient work and reliable measurement data in production will find this device the perfect solution.
| Dimensions (in mm): | 154 x 63 x 30 |
| Display (metrology): | LCD |
| Automatic switch off: | 8 minutes, deactivatable, 60 minutes |
| Housing (metrology): | IP 67 |
| Weight, approx.: | 196 g |
| Measurement type: | pH-Measuring instrument, Temperature measuring device |
| Protection class (measurement technology): | IP 67 |
| Power supply via: | Battery |
| Thermometer-type: | digital thermometer |
| Hanna Instruments measuring device | HI99164 |
| pH measuring range: | pH -2.0 to 16.0, pH -2.00 to 16.00 |
| pH resolution: | pH 0.1, pH 0.01 |
| pH accuracy: | pH ±0.02, pH ±0.1 |
| pH calibration: | Automatic, one- or two-point with two sets of standard buffers (pH 4.01; 7.01; 10.01) or (pH 4.01; 6.86; 9.18) |
| pH temperature compensation: | automatic -5 to 105 °C |
| mV measuring range: | ±825 mV |
| mV resolution: | 1 mV |
| mV accuracy: | ±1 mV |
| pH electrode: | HI729113 reinforced pH and temperature electrode made of stainless steel, Quick DIN connection and 1 metre cable |
| Temperature measuring range: | -5.0 to 105.0 °C |
| Temperature resolution: | 0,1 °C |
| Temperature accuracy: | ±0.5 °C to 60 °C; above ±1.0 °C |
| Ambient conditions: | 0 to 50 °C, relative humidity maximum 100 % |
| Battery type: | 1.5 V AAA (3) |
| Battery life: | Approx. 1400 hours of continuous use |
| Automatic switch-off: | After 8 minutes, after 60 minutes, deactivated |
| Dimensions: | 154 x 63 x 30 mm |
| Weight: | 196 g |






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