FC214D

pH Electrode for Beer Analysis

$219.99

The FC214D is a titanium body, gel filled, single reference junction pH electrode. This electrode features high temperature glass and an extendable cloth type junction, along with a built-in temperature sensor and amplifier in a single probe design. This design consideration is ideal for measuring the pH of mash or wort during the beer making process. The FC214D is the replacement pH/temperature probe supplied with the HI99151 portable meter for beer.

High Temperature Glass
Titanium Body
Built-In Temperature Sensor

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Hanna Instruments offers a wide variety of pH electrodes that are designed for many different applications. The type of glass used for sensing pH, bulb shape, body material, type of junction, type of reference and electrolyte used are just some of the design considerations.

The FC214D uses high temperature (HT) glass, spherical bulb, titanium body, and cloth junction with gel electrolyte.

High-Temperature Glass Formulation

The measurement of pH at very high temperatures is detrimental to the sensitive glass bulb and will shorten the life of it. A pH electrode with general-purpose (GP) glass will have a resistance of 100 megaohms at 25°C while the resistance of HT glass is around 400 megaohms at 25°C. As the FC214D is used at elevated temperatures, such as in the wort or mash, the resistance decreases and approaches the resistance of GP glass. The FC214D is suitable to use with samples that measure from 0 to 80°C.

Titanium Body

A pH measurement is a very sensitive voltage measurement that is susceptible to interference from electrical noise and humidity. To overcome these issues a titanium body serves as a matching pin. A matching pin is a differential measurement technique used to eliminate electrical noise in the measurement system. The titanium body, being made of metal, is virtually unbreakable and offers additional protection from accidental breakage.

Cloth Junction

Every pH electrode has a junction. They can be made from a variety of material including ceramic, PTFE, and a fiber wick. The fiber wick is also known as a cloth junction and is often used on electrodes with gelled electrolytes. The advantage of the cloth junction is that it can be extracted from the probe exposing a fresh surface. This is very important since one of the major contributors to unstable measurements is a clogged junction. This is likely to occur when measuring the pH of mash that has a high solids content. Having the ability to pull out a small portion (⅛”) of the junction will clear any clogging resulting in an increased life of the pH electrode.

DIN Connector

The FC214D uses a DIN connector. This type of connector is proprietary to the meter they are to be used with. The FC214D is the replacement electrode for the HI99151. Other types of connectors include BNC, screw type, T-type, and 3.5mm.

Resources

Specifications

Specification Name	Detail
SKU	FC214D
Reference	single, Ag/AgCl
Junction / Flow Rate	cloth
Electrolyte	gel
Max Pressure	3.0 bar
Range	pH: 0 to 12
Recommended Operating Temperature	-5 to 70°C (23 to 158°F) - GP
Tip / Shape	flat
Diameter	14 mm
Body Length	105 mm/ 145.5 mm
Temperature Sensor	yes
Matching Pin	no
Amplifier	yes
Body Material	titanium with HT glass sensor
Cable	7-pole; 1 m (3.3')
Recommended Use	beer, mash, wort
Connection	DIN

pH Electrode for Beer Analysis

High-Temperature Glass Formulation

Titanium Body

Cloth Junction

DIN Connector

Resources

Keep extra testing supplies on-hand

pH Electrode for Beer Analysis - FC214D Reviews