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HI14140
Digital Flat Tip pH Electrode for Food Surfaces
$209.99
The HI14140 has a unique open junction design that resists clogging and the probe's flat tip makes it ideal for pH measurements on food surfaces. This probe features a 3.5 mm connector designed exclusively to be used with Hanna Instruments edge® Tablet Meters.
Open junction design resists clogging.
Built-in temperature sensor for automatic compensation of measurements.
Ideal for surface measurements of meat and food samples.
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Built-In Microchip
The built-in microchip stores sensor type, serial number and calibration information including date, time, offset, slope, probe condition and buffers used. This information is automatically retrieved by edge® once the electrode is plugged in. The ability to transfer information allows for hot swapping of probes without having to recalibrate. All pH measurements are performed within the electrode and transferred digitally to the meter.
Low Temperature Glass Formulation
The glass tip uses a special LT glass formulation with a lower resistance of approximately 50 megaohms compared to general purpose (GP) with a resistance of about 100 megaohms. This is beneficial since many food products are stored at low temperatures. The HI14140 is suitable to use with samples that measure from 0 to 50°C.
Flat Tip
A flat tip is recommended to optimize surface contact for measurement on food products and samples that cannot easily be penetrate. Additionally, the recessed flat tip is easy to clean and prevents food solids from collecting on the sensor.
Glass Body
The glass body is ideal for laboratory use. The glass is resistant to many harsh chemicals and is easily cleaned. The glass body also allows for a fast transfer of heat to the internal reference electrolyte. The mV generated by the reference cell is temperature dependent. The faster the electrode reaches equilibrium, the steadier the reference potential.
Open Junction Reference
Suspended solids and proteins found in food products will clog a conventional ceramic reference junction. This clogging will impede the measurement circuit between the indicating electrode and the internal reference resulting in slower response time, erratic readings, and frequent electrode replacement. 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 food measurements.
Digital 3.5 mm Connector
Plugging an electrode in has never been simpler; no alignments or broken pins, simply connect the 3.5 mm plug and begin. Digital electrodes are automatically recognized.
