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JUMO tecLine pH electrode (glass shaft + high-temperature gel, perforated diaphragm, VP plug-in head Pg13.5, 120mm, salt reserve, PT100)

Article number: 800339
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pH electrode with VP plug-in head Pg13.5, 120 mm length and integrated salt reserve
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Available in 28 days, delivery time 1-2 days

Basic type supplement
Active part
Diaphragm
Electrical connection of the electrode (onto which the cable is plugged)
Insertion length
Extra code

Article number: 800339
GTIN: 4260682388650
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Product information "JUMO tecLine pH electrode (glass shaft + high-temperature gel, perforated diaphragm, VP plug-in head Pg13.5, 120mm, salt reserve, PT100)"

If you are looking for a pH electrode for process conditions with warm ambient temperatures and value HT glass, a hole diaphragm, integrated Pt100, VP connection, and salt reserve, this JUMO tecLine version is an excellent choice.

JUMO tecLine pH electrode with glass shaft, high-temperature gel, hole diaphragm, VarioPin (VP) plug head Pg13.5, 120 mm, salt reserve, and integrated Pt100 (Order code: 201020/75-12-11-18-120/837 , 840)

This JUMO tecLine pH electrode is designed for demanding pH measurements at elevated continuous temperatures. It is particularly suitable for applications where the sensor must not only reliably detect the pH value but also operate stably over the long term under thermally demanding conditions. Thanks to the combination of HT glass, high-temperature gel, hole diaphragm, salt reserve, and integrated Pt100, this version is tailored for demanding process conditions and is far more than a simple standard electrode.

Technical data

  • Basic type: Glass shaft
  • Active part: HT glass
  • Measuring range: pH 0 to 14
  • Temperature range: -5 to +135 °C
  • Diaphragm: Hole diaphragm, gel made of polymerized solid electrolyte (“diaphragm-free”)
  • Electrical connection to electrode: VarioPin (VP) plug head Pg13.5
  • Reference system: High-temperature gel, sealed, cartridge reference system
  • Temperature sensor: Integrated Pt100
  • Installation length: 120 mm
  • Additional features: Salt reserve

Your advantages with this version of the JUMO tecLine pH electrode

A key advantage of this version lies in its design for temperatures up to +135 °C. This is exactly why it is particularly interesting for processes in which conventional electrodes reach their limits more quickly. The HT glass is designed for a measuring range from pH 0 to pH 14 and is therefore suitable for applications where reliable measurements are required even at higher temperatures. This makes the electrode especially attractive for users looking for a durable solution for thermally demanding processes.

Why should you choose this JUMO electrode?

This version is particularly useful when several requirements must be fulfilled simultaneously: high temperature resistance, robust design for more difficult media, longer service life, and integrated temperature measurement. The hole diaphragm with gel made of polymerized solid electrolyte is particularly interesting for applications in which conventional diaphragms can become contaminated or clogged more quickly. The salt reserve additionally supports a longer service life. The integrated Pt100 is a clear advantage when the temperature needs to be measured directly at the measuring point, for example for temperature compensation or additional temperature monitoring within the process.

The connection side is also designed for professional use. The VarioPin (VP) plug head Pg13.5 enables a suitable and clean connection to compatible measuring technology. With an installation length of 120 mm, the electrode is suitable for many common measuring points. Together with the sealed high-temperature gel and the cartridge reference system, this results in a well-designed version for processes where reliability, temperature resistance, and robust measurement technology are required.

Typical areas of application

  • Processes with higher continuous temperatures
  • Sterilization applications
  • Measuring points where the pH value must be reliably monitored even under thermally demanding conditions
  • Media containing fluoride up to 1000 mg HF/l

Order code: 201020/75-12-11-18-120/837 , 840

Other attributes

Country of origin DE
Customs tariff number 90278930
Downloads:
Technical data
Active elements of the pH and redox electrode
Membrane glass or active element Designation pH and redox range Temperature range Typical applications
UW glass universal glass pH 0 ... 12
(briefly pH 14)		 -5 ... +80 °C water and wastewater engineering,
process instrumentation,
low-ion media
HA-glass high-alkali glass pH 0 ... 14 -5 ... +80 °C In strongly alkaline media (above pH 12)
HT-glass high-temperature glass pH 0 ... 14 0 ... +135 °C At temperatures above 80 °C or
in strongly alkaline media
DS-glass steam-sterilisable glass pH 0 ... 12 -5 ... +80 °C
for short periods up to 130 °C (20 min) 		biotechnology, pharmaceutical and food technology,
sterilisation processes
C-glass fluoride-resistant glass pH 0 ... 11 -5 ... +50 °C fluoride-containing (hydrofluoric acid-containing) media
c(HF) ≤ 1000 mg/l
platinum tip redox measurement ±2000 mV -10 ... +135 °C chromate reduction,
nitrite oxidation,
swimming pool and drinking water disinfection
gold tip redox measurement ±2000 mV -10 ... +135 °C cyanide oxidation,
water disinfection
Design variants of the reference system (reference electrode system)
Only silver-ion-free reference electrolytes are used in JUMO tecLine electrodes. A cartridge discharge system contains the silver/silver chloride (Ag/AgCl). Various diaphragm designs are used.
Diaphragm type Description Possible electrolytes Recommended minimum conductivity of the measuring medium Typical applications / limitations
1× Ceramic diaphragm High-quality zirconium dioxide diaphragma Polymerised solid electrolyte Without salt reservoir: 100 µS/cm
With salt reservoir: 50 µS/cm 		General water and wastewater engineering,
industrial processes, etc.
liquid KCl (potassium chloride) 5 µS/cm
3× Ceramic diaphragm As above, with increased KCl outflow due to a higher number of outlets Polymerised solid electrolyte Without salt reservoir: 50 µS/cm
With salt reservoir: < 50 µS/cm 		In contaminated or low-ion media;
low-temperature applications
liquid KCl (potassium chloride) 0,1 µS/cm
Glass fibre diaphragm Glass fibre bundle instead of a ceramic diaphragm for electrodes with a plastic shaft Polymerised solid electrolyte Without salt reservoir: 150 µS/cm
With salt reservoir: 100 µS/cm 		General water and wastewater engineering
(slightly contaminated media)
PTFE ring diaphragm Large-area ring diaphragm Polymerised solid electrolyte Without salt reservoir: 100 µS/cm
With salt reservoir: 50 µS/cm 		Only if it is very dirty or e. g. oily, sticky substances
Annular gap or perforated diaphragm Open interface between the solid electrolyte and the medium, arranged in a ring-shaped or point-shaped design Polymerised solid electrolyte Without salt reservoir: 500 µS/cm
With salt reservoir: 500 µS/cm 		Suspensions, paints, media containing solids, heavily contaminated media;
not suitable for very pure drinking water or low-ion media

a High-quality ceramic material with consistent porosity, resulting in optimal diffusion properties.

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