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Flat Tip pH Electrode for Pulp and Paper with Quick Connect DIN Connector Hanna Instruments HI14143

Điện Cực pH Đầu Phẳng Cho Bột Giấy Và Giấy Với Đầu Nối DIN Kết Nối Nhanh - Hanna Instruments HI14143

Product Information

Manufacturer: Hanna Instruments
Model: HI14143
Warranty: 12 months

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Description

The HI14143 is a glass body, single reference junction pH electrode made with low temperature glass and a quick connect DIN connector. This pre-amplified electrode features a built-in temperature sensor for temperature compensated measurements in a single probe design.
This electrode has a unique open junction design in which there is a viscolene (hard gel) electrolyte layer that is free of silver chloride (AgCl) between the sample to be measured and the internal reference cell. The open junction design resists clogging and the probe’s flat tip makes it ideal for pH measurements on surfaces such as skin, leather, and paper. The HI14143 is recommended for use with Hanna’s HI99171 pH meter.
Open Junction
Flat Tip
Built-In Temperature Sensor
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 HI14143 uses low temperature (LT) glass, flat tip bulb, glass body, and open junction with viscolene gel electrolyte.
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. As the temperature of the glass decreases in the sample, the resistance of the LT glass will increase approaching that of GP glass at ambient temperatures. If using GP glass, the resistance would increase above the optimum resistance for the high impedance input of a pH meter.The HI14143 is suitable to use with samples that measure from 0 to 50°C.
Flat Glass Tip
A flat tip is recommended to optimize surface contact for measurement of leather and paper.
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 readings.
DIN Connector
The HI14143 uses a quick connect DIN connector. This type of connector is made for Hanna meters that accept a quick connect DIN connector. The HI14143 is recommended for the HI99171 pH meter. Other type of connectors include BNC, screw type, T-type, and 3.5mm to name a few.

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Thông số kỹ thuật

Reference Cell Type	single, Ag/AgCl
Junction Type/Flow Rate	open
Type of Electrolyte	viscolene
Body Material	glass
Glass Type	low temperature (LT)
Tip / Shape	flat
Matching Pin	no
Max. Pressure	0.1 bar
Optimum pH Range	pH: 0 to 12
Temperature Operating Range	0 to 50°C (32 to 122°F)
Body Length/Overall Length	110 mm / 153.5 mm
Temperature Sensor	yes
Outer Diameter	12 mm
Cable	7-pole; 1 m (3.3′)
Connector Type	quick connect DIN connector
Amplifier	yes
Recommended Use	pulp, paper, and surface measurements