THETA 90
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THETA 90 · 2026

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Selected models from the current 2026 price list. Find the full range and terms in the manufacturer’s original document.

Full price list · DOC (Czech) ↓

63 products

Prices in CZK, excluding 21% VAT · 2026 price list
Model / catalogue no.Description and applicationPrice excl. VATDetails
12121pH electrodes

Combined laboratory electrode, pH 0–14, fast response.

3 580 CZKexcl. VAT
12111pH electrodes

Standard laboratory electrode with increased mechanical resistance.

3 230 CZKexcl. VAT
12121FpH electrodes

Laboratory electrode with FES technology, pH 0–14.

4 480 CZKexcl. VAT
12111FpH electrodes

FES laboratory electrode with increased mechanical resistance.

4 080 CZKexcl. VAT
12161FpH electrodes

For low-conductivity solutions, emulsions and suspensions.

4 080 CZKexcl. VAT
12212FpH electrodes

Plastic-body electrode with a removable, cleanable junction.

4 750 CZKexcl. VAT
22116pH electrodes

Self-cleaning industrial electrode for wastewater and other process applications.

4 580 CZKexcl. VAT
22144pH electrodes

Self-cleaning electrode for media with elevated calcium, magnesium and CO₂ content.

4 850 CZKexcl. VAT
21118pH electrodes

Industrial self-cleaning electrode for media with higher chlorine concentrations.

4 580 CZKexcl. VAT
22120pH electrodes

Industrial electrode with Pg 13.5 thread and head connector.

5 030 CZKexcl. VAT
22121pH electrodes

Industrial electrode with Pg 13.5 thread and fixed cable.

4 730 CZKexcl. VAT
22128pH electrodes

Industrial pH electrode, pressure resistance up to 6 bar.

3 450 CZKexcl. VAT
22158pH electrodes

Low-temperature version, pressure resistance up to 6 bar; 2-year warranty.

5 350 CZKexcl. VAT
22160pH electrodes

Self-cleaning, pressure-independent up to 10 bar; 2-year warranty.

4 600 CZKexcl. VAT
22159pH electrodes

High-temperature, self-cleaning, pressure-independent up to 10 bar.

4 950 CZKexcl. VAT
22162pH electrodes

For fluoride-containing media and strongly acidic or alkaline conditions.

5 050 CZKexcl. VAT
22272pH electrodes

Self-cleaning pressure-rated electrode with a plastic body.

4 850 CZKexcl. VAT
22163pH electrodes

Universal self-cleaning electrode up to 10 bar with two different junctions.

5 150 CZKexcl. VAT
22282pH electrodes

Self-cleaning pressure-rated electrode with high fouling resistance.

6 750 CZKexcl. VAT
22283pH electrodes

High-temperature self-cleaning electrode for highly mineralised water.

6 950 CZKexcl. VAT
32111pH electrodes

Separate FES pH electrode; requires a reference electrode.

3 550 CZKexcl. VAT
32112pH electrodes

Separate FES pH electrode for strongly acidic and alkaline conditions.

3 550 CZKexcl. VAT
32113pH electrodes

High-temperature separate FES pH electrode.

3 750 CZKexcl. VAT
61168pH electrodes

pH electrode suitable for steam sterilisation up to +130 °C.

7 950 CZKexcl. VAT
42116Redox electrodes

Platinum double-junction electrode with viscous electrolyte.

4 580 CZKexcl. VAT
42121Redox electrodes

Self-cleaning platinum redox electrode up to 6 bar.

3 580 CZKexcl. VAT
42121Redox electrodes

For highly mineralised media, self-cleaning, up to 6 bar.

4 580 CZKexcl. VAT
42122Redox electrodes

Self-cleaning platinum electrode, pressure-independent up to 10 bar.

4 600 CZKexcl. VAT
42132Redox electrodes

Gold self-cleaning electrode, pressure-independent up to 10 bar.

4 800 CZKexcl. VAT
42124Redox electrodes

Standard combined platinum redox electrode.

3 480 CZKexcl. VAT
42126Redox electrodes

Platinum redox electrode with a double salt bridge.

4 520 CZKexcl. VAT
61169Redox electrodes

Redox electrode suitable for steam sterilisation up to +130 °C.

7 950 CZKexcl. VAT
51157Oxygen, gas and temperature probes

Gas-sensing electrode selective for carbon dioxide.

6 750 CZKexcl. VAT
51158Oxygen, gas and temperature probes

Gas-sensing electrode selective for ammonia.

6 750 CZKexcl. VAT
51168Ion-selective electrodes

Industrial self-cleaning ammonium probe for NH₄⁺; application consultation required.

7 150 CZKexcl. VAT
51178Ion-selective electrodes

Industrial self-cleaning chloride probe for Cl⁻; application consultation required.

7 150 CZKexcl. VAT
61111Reference and titration electrodes

Standard silver/silver chloride reference electrode.

1 700 CZKexcl. VAT
61115Reference and titration electrodes

Reference electrode with ceramic junction and double salt bridge.

1 750 CZKexcl. VAT
61127Reference and titration electrodes

All-plastic reference electrode for aggressive solutions.

3 450 CZKexcl. VAT
61128Conductivity probes

All-glass two-electrode platinum conductivity cell, k = 1.

4 880 CZKexcl. VAT
61129Conductivity probes

Platinum conductivity cell, k = 1, with temperature sensor.

5 250 CZKexcl. VAT
61131Conductivity probes

Two-electrode platinum conductivity cell with PP body, k = 1.

4 880 CZKexcl. VAT
61133Conductivity probes

Process conductivity cell with temperature sensor specified by agreement and fixed cable.

5 950 CZKexcl. VAT
61136Reference and titration electrodes

Combined silver electrode for argentometric titration.

4 280 CZKexcl. VAT
61136Reference and titration electrodes

Silver titration electrode with a reusable, cleanable junction.

5 600 CZKexcl. VAT
61141Reference and titration electrodes

Dual-platinum electrode for biamperometric or bipotentiometric titration.

5 250 CZKexcl. VAT
61147Chlorine and ozone probes

Open amperometric probe for free chlorine; up to 8 bar.

4 850 CZKexcl. VAT
61163Chlorine and ozone probes

Membrane chlorine probe with replaceable modules, up to 1 bar.

10 250 CZKexcl. VAT
61148Chlorine and ozone probes

Amperometric probe for dissolved ozone, up to 8 bar.

4 850 CZKexcl. VAT
61150Oxygen, gas and temperature probes

Clark oxygen probe, 12 mm diameter, replaceable membrane carriers.

6 150 CZKexcl. VAT
61153Oxygen, gas and temperature probes

Self-cleaning oxygen probe for THETA 90 front-mounted rod holders.

6 450 CZKexcl. VAT
61156Oxygen, gas and temperature probes

Galvanic oxygen probe with integrated temperature sensor and compensation.

6 750 CZKexcl. VAT
61156Oxygen, gas and temperature probes

All-glass temperature probe; Pt 100, Pt 1000 or Ni 1000 element by agreement.

2 950 CZKexcl. VAT
61158Oxygen, gas and temperature probes

Stainless steel temperature probe with element specified by agreement.

3 750 CZKexcl. VAT
51112Ion-selective electrodes

Combined ammonium electrode with integrated reference electrode.

6 080 CZKexcl. VAT
51122Ion-selective electrodes

Combined fluoride electrode with an inorganic membrane.

8 950 CZKexcl. VAT
51128Ion-selective electrodes

Combined chloride electrode with an inorganic membrane.

6 080 CZKexcl. VAT
81132Transmitters and controllers

Analogue transmitter with galvanically isolated input; electrode type and output specified by agreement.

6 250 CZKexcl. VAT
81133Transmitters and controllers

Controller and transmitter with display, automatic calibration and galvanically isolated input.

9 800 CZKexcl. VAT
81141Solutions and accessories

PP rod-mounted clamp holder; length and cable specified by agreement.

5 850 CZKexcl. VAT
81142Solutions and accessories

PP suspended rod holder; length and cable specified by agreement.

5 850 CZKexcl. VAT
71111Solutions and accessories

Colour-coded stabilised pH 4 buffer, 50 ml.

150 CZKexcl. VAT
71114Solutions and accessories

Colour-coded stabilised pH 7 buffer, 50 ml.

150 CZKexcl. VAT

Not sure which version to choose? Please specify the medium, temperature, pressure, connection and measuring instrument.

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Catalogue no.
Price excl. VAT
Price source
2026 manufacturer’s price list · CZK

Operating instructions

The instructions include technical information, installation, use and maintenance guidance. Request the appropriate version for your model.

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The listed price applies to the model shown. Cable, connector, mounting and optional equipment are specified in the quotation. Selection must account for the medium and operating conditions.