• Food Safe Thermometers
  • HACCP Specific
  • Infrared Thermometers
  • Probe Thermometers
  • Reference Thermometers
  • Data loggers
  • Probes & Accessories
    At Gem Scientific, we stock a full range of thermometer probes and accessories to enhance, replace, or maintain your temperature monitoring equipment. Whether you need test caps or protective cases, we offer compatible components for a variety of devices. Not sure which probe or accessory fits your thermometer? Our knowledgeable team is happy to help you find the right match for your setup.
  • Calibration Equipment
    At Gem Scientific, we offer a specialist range of calibration equipment for thermometers, designed to ensure the ongoing accuracy and reliability of your temperature monitoring systems. Regular calibration is essential for maintaining compliance with industry standards—particularly in food, pharmaceutical, and laboratory environments where precise temperature control is critical. For expert advice on selecting the right calibration equipment for your thermometers, our team is always here to help.

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Digital Indoor/Outdoor Thermometer with Alarm

£13.25 vat excl.

£15.90 vat Inc.

Availability: 44 In Stock
  • Simultaneously displays outdoor & indoor temperature
  • Programmable high/low-temperature alarm
  • Easy-to-read dual LCD display
  • Indoor temperature range: -19.9 to 69.9℃
  • Outdoor temperature range: -49.9 to 69.9℃.
  • Resolution of 0.1 ℃ and accuracy of ±1 ℃
  • Detachable outdoor probe supplied
  • 5000-hour battery life the AAA batteries will only need changing every 6 months

Milk Frothing Thermometers

£20.36 vat excl.

£24.43 vat Inc.

Availability: Out of stock
  • Pack of three (red, green and blue)
  • Easy to read dial with colour-coded zones
  • Includes FREE calibration spanner
  • Ideal barista thermometer
  • Colour-coded cases - pack of 3
Availability: Out of stock

Professional wiping solutions designed for food environments where safety and performance matter.

Designed for hygiene-critical workplaces.

From food processing and manufacturing to catering and commercial kitchens,

Food Grade Wipes play a vital role in maintaining cleanliness, safety, and operational efficiency.

WORKS.Fullstop™ Food Grade Wipes are developed to support:

  • Effective surface cleaning
  • Safe food-contact environments
  • Reduced cross-contamination risk
  • Faster, more efficient cleaning routines

All without compromising on durability, performance, or ease of use.

WORKS.Fullstop™ exists to make work easier, without cutting corners.

Mini Raytemp Infrared Thermometer

£34.29 vat excl.

£41.15 vat Inc.

Availability: Out of stock
  • Compact, lightweight & easy to use
  • Temperature range -50 to 330-_
  • Laser dot alignment
  • Target ratio 12:1 (target distance/diameter ratio)
  • Fixed emissivity of 0.95
  • Ideal for a range of food and industrial applications

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

Thermistor Test Caps

£38.57 vat excl.

£46.28 vat Inc.

Availability: Out of stock
  • Supplied with a UKAS Certificate of Calibration
  • Verify the accuracy of any thermistor thermometer
  • Available in a range of temperatures (-18℃, 0℃, 3℃, 70℃, 100℃)
  • Unavailable for next day delivery as certificated at time of order

Therma 1T Thermometer

£56.43 vat excl.

£67.72 vat Inc.

Availability: Out of stock
  • High accuracy type T thermocouple probe socket
  • Traceable certificate of calibration
  • Temperature range -100 to 400℃
  • 0.1℃resolution
  • Probe not included

Therma Elite Industrial Thermometer

£60.00 vat excl.

£72.00 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
Availability: Out of stock

The Thermamite HACCP process thermometer is perfect for daily food safety checks

  • Simple one-button operation
  • Free traceable certificate of calibration
  • Food penetration probe included
  • Biomaster product protection
  • Meets the European Standard EN 13485
  • 2-year guarantee

Non-Contact Forehead IR Thermometer

£65.00 vat excl.

£78.00 vat Inc.

Availability: 48 In Stock

Benefits

  • CE 1639 approved, class II professional medical device
  • Easy-to-use, no complicated instructions
  • Quick one-second readings
  • Audible beep when reading is taken
  • Accurate oral-equivalent temperature readings
  • Audible high-temperature alert and mute setting
  • Bright, blue LED backlight
  • Supplied with a full one-year guarantee

Free Hand Sanitiser with thermometer Flag

RayTemp 3 Infrared Thermometer for Food Surface Temperatures

£68.57 vat excl.

£82.28 vat Inc.

Availability: Out of stock
  • Ideal for the foodservice industry
  • ±1_ accuracy over the critical food range
  • Circular laser for precise targeting
  • Compact, lightweight & easy to use
  • Temperature range -60 to 500-_

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

Raytemp 8 Infrared Thermometer with Type K Thermocouple Socket

£72.14 vat excl.

£86.57 vat Inc.

Availability: Out of stock
  • Integral type K thermocouple socket
  • Temperature range IR -60 to 500_, probe -64 to 1370_
  • Includes differential & average temperatures
  • Two-in-one thermometer
  • Target ratio 12:1
  • Probe not included

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

Therma Waterproof Thermometer (IP66/67)

£74.29 vat excl.

£89.15 vat Inc.

Availability: Out of stock
  • Robust waterproof case offering IP66/67 protection
  • Large, easy to read backlit display
  • Max/min & hold functions
  • Integrated rubber seal for durability
  • 2-year guarantee
  • Meets the European Standard EN 13485
  • Probe not included

RayTemp 2 Infrared Thermometer

£75.71 vat excl.

£90.85 vat Inc.

Availability: Out of stock
  • Incorporates a 5:1 optic ratio (target distance/diameter ratio)
  • Suitable for a wide range of food and industrial applications
  • Displays ambient temperature
  • Records the max/min temperatures
  • Traceable certificate of calibration
  • Meets the European Standard EN 13485

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

Thermapen® IR infrared Thermometer with Foldaway Probe

£75.71 vat excl.

£90.85 vat Inc.

Availability: Out of stock
  • Automatic 360 deg. rotational display
  • Adjustable emissivity for different surfaces
  • Motion-sensing sleep mode - probe only
  • Traceable certificate of calibration (probe & IR)
  • Meets the European Standard EN 13485

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

Therma Differential Instrument

£77.14 vat excl.

£92.57 vat Inc.

Availability: Out of stock
  • Robust waterproof case offering IP66/67 protection
  • Ideal for radiator balancing or HVAC applications
  • Designed for plumbers, reliable & easy to use
  • Backlight, max/min & hold functions
  • Probes not included

RayTemp 2 Plus Infrared Thermometer

£84.60 vat excl.

£101.52 vat Inc.

Availability: Out of stock
  • Automatic 360 deg. rotating display
  • Incorporates a 5:1 optic ratio (target distance/diameter ratio)
  • Suitable for a wide range of food and industrial applications
  • Displays ambient temperature
  • Records the max/min temperatures
  • Traceable certificate of calibration
  • Meets the European Standard EN 13485

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

Raytemp 8 Infrared Thermometer Kit

£93.93 vat excl.

£112.72 vat Inc.

Availability: Out of stock

Each infrared thermometer kit contains:

  • 1 x 814-045 RayTemp8 thermometer
  • 1 x 123-160 Penetration probe
  • 1 x 836-022 carton of 100 single sachet Probe Wipes
  • 1 x 834-740 ABS carrying case

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

CaterTemp Metal Thermometer

£109.29 vat excl.

£131.15 vat Inc.

Availability: Out of stock
  • -49.9℃ to 299.9℃
  • Heavy-duty thermometer for harsh environments
  • Large LCD display
  • Food penetration probe
  • Auto-power off
  • Aluminium waterproof case
  • IP67

Thermistor Thermometer with Probe

£109.99 vat excl.

£131.99 vat Inc.

Availability: Out of stock
  • Dimensions: 140 x 57 x 28 mm
  • Weight: 178g
  • Range: -50 to +150℃
  • Resolution: 0.1℃
  • Accuracy: +/-0.1℃
  • Supplied with an FC762PW penetration probe
  • IP65 casing
  • CAL Check™ Feature
  • Perfect for spot-checking of food in kitchens, BBQ's, and catering

Basic Data logger no LCD Display

£113.14 vat excl.

£135.77 vat Inc.

Availability: 10 In Stock
  • Works in temperatures from -35°C to 80°C
  • Accurate to 0.5°C
  • Can hold up to 16,385 temperature readings
  • Logs the surrounding temperature
  • IP67 moisture resistant
  • Replaceable lithium battery

ThermaQ 2 four channel thermocouple thermometer

£120.00 vat excl.

£144.00 vat Inc.

Availability: Out of stock
  • Simultaneously measure four-probe temperatures
  • Audible alarm with variable volume control & customised high/low facility
  • Wide temperature range -99.9 to 1372 ℃
  • Waterproof housing offers IP67 protection
  • Meets the European Standard EN 13485
  • Supplied excluding probes

Advanced Data logger with LCD Display

£127.29 vat excl.

£152.75 vat Inc.

Availability: 10 In Stock
  • High contrast LCD display
  • Works in temperatures from -35°C to 80°C
  • Accurate to 0.5°C
  • Can hold up to 16,385 temperature readings
  • Logs the surrounding temperature
  • IP67 moisture resistant
  • Replaceable lithium battery

HVAC Thermometer Kit

£140.36 vat excl.

£168.43 vat Inc.

Availability: Out of stock

Each kit contains:

  • 1 x 231-022 ETI Therma Differential thermometer
  • 1 x 123-160 penetration probe
  • 2 x 133-040 pipe clamp probes
  • 1 x 123-030 precision surface probe
  • 1 x 834-300 ABS carrying case

RayTemp 28 High Temperature Infrared Thermometer

£145.00 vat excl.

£174.00 vat Inc.

Availability: 46 In Stock
  • Auto-power off, display hold & backlight functions
  • Wide temperature range -50 to 1370
  • 30:1 optic ratio (target distance/diameter ratio)
  • Incorporates a miniature thermocouple Type K probe socket
  • Robust IP54 housing for durability
  • Dual laser for precise targeting

Please note: this product has not been medically tested and accuracy cannot guarantee if being used for this purpose.

ThermaData® 4 Channel Data Logger

£167.14 vat excl.

£200.57 vat Inc.

Availability: Out of stock
  • Four-channel type K thermocouple input
  • Simultaneously measure four-probe temperatures
  • Programmable high/low Audible alarm
  • Wide temperature range -99.9 to 1372 ℃
  • Supplied excluding probes

ThermaData TD1F WiFi Data Logger

£177.14 vat excl.

£212.57 vat Inc.

Availability: Out of stock
  • One remote probe & one internal sensor
  • Maximum of 18000 readings (9000 from each sensor)
  • One remote probe & one internal sensor
  • Resolution of 0.1 ℃/∞F
  • Email alerts when alarm limits exceeded
  • Perfect for HACCP analysis
  • Logger transmits the recorded data to a WiFi router which can be accessed from a PC, laptop or tablet
Availability: Out of stock

Thermapen ONE food thermometer with Bluetooth® wireless technology 

  • Intuitive display with custom checklists 
  • Provides instant pass/fail feedback
  • Integrate into existing software systems
  • Time-saving, paperless recordings
  • Free traceable certificate of calibration
  • SDK & technical support available
  • 2-year guarantee

The new Thermapen ONE Blue makes HACCP compliance easier than ever before. With item names, high/low limits, and pass/fail feedback displayed on the screen, users can work through checklists with confidence and accuracy. Please note these features are only available when integrated with the latest SDK.

ETI Supporting Legionelladossier in it's work to make the water industry safer - Read our blog.

WIFI Data Logger

£297.14 vat excl.

£356.57 vat Inc.

Availability: 10 In Stock

WiFi datalogger with external thermistor probe in a glycol bottle, mimicking a vaccine

  • Temperature measurement range -40 to +60℃ (-40 to +140°F)
  • Wireless streaming and viewing temperature data on EasyLog Cloud, App or PC Easy sensor set-up using free PC software application Configurable high and low alarms with indicator
  • Sensor memory stores all data even when WiFi is disconnected
  • Calibration certificate available on request (at 2℃ and 8℃)

IR-500 Black Body Calibrator

£1,010.00 vat excl.

£1,212.00 vat Inc.

Availability: Out of stock
  • Range 50-℃ to 500-℃
  • Resolution 0.1℃
  • Heating time 40 minutes
  • LED digital display
  • User friendly
  • Supplied with lid, drain tap and carry handles
Availability: Out of stock
  • 3000 series Dry-Well small & lightweight calibrators
  • Ideal for checking thermometer accuracy
  • Portable temperature heat source
  • Built to order

Three models are available:

  • 3001 dry-well will accept probe sizes Ø3.3, 4, 4.76 and 6.35mm
  • 3002 dry-well will accept probe sizes Ø3.3, 4.76, 6.35 and 9.6mm
  • 3003 dry-well will accept probe sizes Ø4.76 and 12.7mm