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JUMO tecLine PRO pH electrode (process electrode, UW glass, annular gap diaphragm, VP plug-in head, salt reserve, integrated Pt1000)

Article number: 800342
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Product information "JUMO tecLine PRO pH electrode (process electrode, UW glass, annular gap diaphragm, VP plug-in head, salt reserve, integrated Pt1000)"

The JUMO pH electrode is a robust process electrode for demanding applications, such as use in the chemical industry. It combines UW glass, an open annular-gap diaphragm, salt reservoir, and an integrated Pt1000 with a break-resistant, mechanically and chemically resistant design.

JUMO tecLine PRO pH electrode as a process electrode with UW glass, annular-gap diaphragm, VP plug head Pg13.5, salt reservoir, and integrated Pt1000

This pH electrode is designed for demanding pH measurements in process applications. It is particularly suitable for areas where high mechanical and chemical resistance is required. The design as a process electrode with UW glass, open annular-gap diaphragm, VP plug head Pg13.5, salt reservoir, and integrated Pt1000 makes this version suitable for robust and permanently demanding operating conditions.

Technical data

  • Basic type: JUMO tecLine PRO pH combination electrode
  • Basic type extension: Process electrode
  • Active part: UW glass
  • Diaphragm: Annular-gap diaphragm
  • Electrical connection to electrode: VP plug head Pg13.5
  • Additional features: Salt reservoir, with integrated Pt1000

Advantages and special features

A key advantage of this version lies in its resistant construction. These electrodes feature a durable PVDF body, which virtually eliminates the risk of sensor breakage. Especially in industrial applications, this is an important factor when the measuring point must not only provide reliable pH values but also withstand daily mechanical stress. At the same time, the electrolyte of this combination electrode ensures stable measurement values, even in critical media containing sulfites. This makes the electrode particularly interesting for applications requiring a robust and process-suitable solution.

Why should you choose this electrode?

This version is especially useful when a durable process electrode with integrated temperature measurement is required. The UW glass is designed for pH measurements in process applications, while the open annular-gap diaphragm supports a robust design for more demanding measuring points. An additional advantage is the integrated Pt1000, which allows the temperature to be measured directly at the measuring point. This is practical, for example, for temperature compensation or additional process monitoring. The salt reservoir further complements the design and makes this version particularly interesting for users who value features that support long service life.

The connection side is also designed for professional use. The VP plug head Pg13.5 enables a suitable and clean connection to compatible measuring technology. Together with the robust construction and the integrated Pt1000, this results in a well-designed electrode for applications where reliable pH measurement, temperature detection, and high resistance are required.

Typical areas of application

  • Chemical industry
  • Wastewater treatment
  • Sewage treatment plants and the paper industry

It is also used wherever a durable process electrode with stable measurement generation and integrated temperature measurement is required. Especially in more demanding industrial environments, it can fully demonstrate its strengths.

Order code: 201020/79-18-10-18/837, 841

JUMO order code:

A JUMO order code uniquely identifies a specific measuring instrument or component based on its configuration.

You will find the exact JUMO order code for your instrument configuration in the relevant data sheet from page 5 onwards. This can be found under ‘Downloads’ for the product.

Other attributes

Country of origin DE
Customs tariff number 90278930
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.