The FC213D amplified pH electrode is a specialized probe that offers numerous features that improve pH testing for yogurt producers. An integrated temperature sensor allows for temperature compensated pH measurements without the need for a separate temperature probe. The probe’s conical sensing bulb ensures stable calibration and measurement in semi-solids and emulsions like yogurt.
An integral part of any pH electrode is the reference junction. The reference junction is a part of the electrode that allows for the flow of ions located in the reference cell into the sample being tested. It is vital that this flow occurs in order to complete an electrical circuit, which ultimately determines the pH value. Any clogging of the junction will prevent completion of the circuit, resulting in readings that are erratic or constantly drifting.
Clogging of the reference junction is a common challenge faced by yogurt producers as the milk solids and proteins can easily build up on the electrode. The open junction design of the FC213D utilizes a viscolene reference electrolyte that comes into direct contact with the yogurt sample. Without a physical junction, the electrode resists clogging and continues to provide accurate, stable readings.
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Glass Body
The glass body of the FC213D is chemically resistant and quick to reach thermal equilibrium, allowing for a faster, more stable response when taking pH measurements in samples that are not at ambient temperature.
Conical Glass Tip
The conical shaped tip design allows for penetration into solids, semi-solids, and emulsions for the direct measurement of pH in samples such as yogurt.
Open Junction Reference
The open junction design consists of a solid gel interface (viscolene) between the sample and internal Ag/AgCl reference. This interface not only prevents silver from entering the sample, but also makes it impermeable to clogging, resulting in a fast response and stable reading.
Built-In Temperature Sensor
Errors in calibration and measurement are eliminated with the Automatic Temperature Compensation provided by the integrated temperature sensor.
| Specification Name | Detail |
|---|---|
| SKU | FC213D |
| Reference | double |
| Junction / Flow Rate | open |
| Electrolyte | viscolene |
| Max Pressure | 0.1 bar |
| Range | pH: 0 to 12 |
| Recommended Operating Temperature | 0 to 50°C(32 to 122°F) – LT |
| Tip / Shape | conic (6 x 10 mm) |
| Temperature Sensor | yes |
| Body Material | glass |
| Cable | 1 m (3.3’) |
| Recommended Use | yogurt (HI99164 Foodcare pH / Temperature Meter for Yogurt) |
| Connection | DIN |
