Electrodes & Probes

  • pH Electrodes/Probes
    pH Electrodes/Probes
    Get consistent and accurate pH readings with our reliable selection of pH electrodes and probes. These sensors are designed for compatibility with most pH meters and are suitable for use in various media, including water, food, soil, and chemical solutions. Whether you need general-purpose, low-maintenance, or specialised electrodes, Gem Scientific has you covered. Built to deliver stable readings, our probes ensure long-term measurement confidence.
  • Reference Electrodes
    Reference Electrodes
    Reference electrodes are crucial components for electrochemical measurements, offering stable and reproducible performance. At Gem Scientific, we supply high-quality reference electrodes from DLab, suitable for a wide range of applications. Used in conjunction with pH, ion-selective, and other sensors, our reference electrodes provide essential consistency for accurate analysis.
  • Conductivity Probes
    Conductivity Probes
    Measure electrical conductivity in solutions with our precision-engineered conductivity probes. These probes are suitable for monitoring water quality, process control, and laboratory research, offering high sensitivity and fast response times. Compatible with leading conductivity meters, these instruments ensure dependable performance across a wide range of samples.
  • Replacement Sensors
    Replacement Sensors
  • ORP Electrodes
    ORP Electrodes
    Gem Scientific stocks a versatile selection of probes to suit a wide range of scientific and industrial applications. Whether you're measuring pH, temperature, conductivity, or specific ions, we offer durable and compatible probes designed for precision. Suitable for laboratory research, environmental monitoring, and quality control in food and beverage manufacturing, our probes from top scientific brands such as DLab and Hanna Instruments deliver accurate and reliable readings for all your applications.

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NTC Thermistor Waterproof Temperature Probe
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ETI

NTC Thermistor Waterproof Temperature Probe

£41.07 vat excl.

£49.28 vat Inc.
Availability: Out of stock
  • Waterproof to IP67 when connected to an instrument
  • Suitable for liquids, semi-solids and granular materials
  • Response time less than five seconds.
  • Probe temperature range -40 to 150-_
  • Accuracy ±0.4_ between -20 & 100_
  • Dia.3.3 x 130mm
Therma 1 Industrial Thermometer
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ETI

Therma 1 Industrial Thermometer

£56.43 vat excl.

£67.72 vat Inc.
Availability: Out of stock
  • Range: -99.9 to 1372_ with a 0.1_ or 1_ resolution
  • Minimum 5 years battery life
  • 2-year guarantee
  • Interchangeable thermocouple probes available
  • Free traceable certificate of calibration included
  • Probe not included
Thermapen Classic with Surface Probe
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ETI

Thermapen Classic with Surface Probe

£63.57 vat excl.

£76.28 vat Inc.
Availability: Out of stock
  • Ideal for grills, griddles, hotplates, pipe temperatures etc
  • Temperature range -49.9 to 299.9
  • Lightweight, compact & easy to use
  • Foldaway stainless steel probe
  • Probe dimensions 8mm diameter x 95mm
  • 2-year guarantee
Thermapen Classic with Penetration Probe
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ETI

Thermapen Classic with Penetration Probe

£63.57 vat excl.

£76.28 vat Inc.
Availability: Out of stock
  • Temperature range -49.9 to 299.9℃
  • Lightweight, compact & easy to use
  • Strong penetration probe Thermapen
  • Foldaway stainless steel probe
  • One-handed operation
  • 2 year guarantee
  • Meets the European Standard EN 13485
  • HACCP Approved
Colour-Coded Type T Penetration Probe
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ETI

Colour-Coded Type T Penetration Probe

£65.00 vat excl.

£78.00 vat Inc.
Availability: 50 In Stock
  • Colour-coded T thermocouple penetration probe for Therma 22 thermometer
  • Ideal for liquids, semi-solids and more
  • Probe temperature range -75 to 250-℃
  • Accuracy ±0.2_, -20_ to 70_
  • dia.3.3 x 130mm
  • Available colours: blue, black, red, yellow, white, green, or brown
1102 pH/Temp Probe
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WTW

1102 pH/Temp Probe

£134.00 vat excl.

£160.80 vat Inc.
Availability: 19 In Stock
  • 1102 pH/ATC (Automatic Temperature Compensation) combination electrode with 1-meter cable
  • Gel combination pH probe with integrated temp probe
  • For use with the 
SenTix® 940-P Universal Low Maintenance IDS pH Electrode
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WTW

SenTix® 940-P Universal Low Maintenance IDS pH Electrode

£215.00 vat excl.

£258.00 vat Inc.
Availability: 20 In Stock
  • pH measuring range 0 to 14
  • Gel electrolyte
  • Plastic shaft
  • Integrated temperature sensor
  • Safely measured values due to signal processing in the sensor
  • Easy electrode replacement thanks to calibration data stored inside sensor
  • Sensor quality monitoring by QSC function
  • Memory for 10 calibration records
  • QSC function
SenTix® 980-P IDS Precision pH Electrode
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WTW

SenTix® 980-P IDS Precision pH Electrode

£244.00 vat excl.

£292.80 vat Inc.
Availability: 20 In Stock
  • pH measuring range 0 to 14
  • IDS pH combination electrode with gel electrolyte, plastic shaft and integrated temperature sensor
  • Safely measured values due to signal processing in the sensor
  • Easy electrode replacement thanks to calibration data stored inside sensor
  • Sensor quality monitoring by QSC function
SenTix® Micro 900-P IDS pH Micro Electrode
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WTW

SenTix® Micro 900-P IDS pH Micro Electrode

£428.00 vat excl.

£513.60 vat Inc.
Availability: 20 In Stock
  • pH measuring range 0 to 14
  • Safely measured values due to signal processing in the sensor
  • Easy electrode replacement thanks to calibration data stored inside sensor
  • Sensor quality monitoring by QSC function
  • IDS pH microelectrode
  • For measurement of small volumes and in small vessels
  • Diameter 5mm
  • QSC function
  • Integrated temperature sensor
  • Memory for 10 calibrations

Electrodes and probes are critical components in scientific measurement, providing the interface between the sample and your meter. Gem Scientific stocks a comprehensive range of electrodes and probes, including pH, conductivity, and reference electrodes, as well as temperature probes, designed for accuracy and long-term use. Suitable for fieldwork, laboratory testing, and industrial monitoring, our range offers compatibility with leading brands such as Hanna Instruments, DLab, and ETI. Trust our selection for dependable performance and consistent results in a variety of applications.