Best sellers

Insulated Ice Bath Mug for temperature calibration checks

• Faster and more accurate calibration checks
• Printed with step-by-step instructions
• Ensures your ice bath is made correctly
• Portable and lightweight
• Double-wall insulation

Enjoy rapid, accurate and inexpensive thermometer calibration tests with the ETI Ice Bath Mug. 

Thermocouple Food Simulant Temperature Probe for accurate cold food monitoring

• Designed for cold food storage
• Slow response time simulates food temperatures
• Reads from -20 to 100 °C
• Type K accuracy: ±0.5 °C (0°C to 100 °C)
• Type T accuracy: ±0.2 °C (-20 °C to 70 °C)

AAA Duracell alkaline battery - 1.5v

• Pack of 6
• Long lasting
• Heavy duty

The Thermapen Classic strong penetration probe thermometer provides the same benefits as the Thermapen Classic thermometer, but comes with a general purpose strong temperature probe, rather than the reduced tip. It is ideal for insertion into both solids and liquids

• Over 50% faster than traditional probes
• Reaches temperature in just 3 seconds
• Lightweight and easy-to-use
• Free traceable calibration certificate
• Polygiene BioMaster product protection
• Meets the European Standard EN 13485
• °C to °F switchable 
• 1.0° or 0.1° switchable resolution
• Free protective Pouch included (830-001)

The Thermapen Classic is an instant-read thermometer designed to make temperature readings for food safety and HACCP compliance quick and easy

RayTemp 3 Infrared Thermometer - ideal for the foodservice industry

• ±1 °C accuracy over the critical food range
• Circular laser for precise targeting
• Compact, lightweight & easy to use
• Temperature range -60 to 500°C
• Available with UKAS Calibration

The RayTemp 3 can be purchased with a 2-point UKAS calibration certificate, calibrated at 0 °C and 100 °C in our UKAS-accredited laboratory.
This option is ideal for applications where precision is critical. Simply select it from the dropdown menu below.

Heavy duty surface temperature probe

• Ø12 x 130mm
• High temperature range probe
• Ideal for griddles and hotplates
• Right-angled version available
• Accuracy to BS EN 60584-1:2013

Ear Thermometer Probe Covers

• Spare covers for digital ear thermometer
• These save cross-contamination of instrument
• Hygenic and simple to replace
• These are extremely cost-effective

T-shaped handle reduced tip penetration probe

• Reduced sensing tip for faster response.
• Response time less than 20 seconds.
• Probe temperature range -75 to 250 °C
• Accuracy to BS EN 60584-1:2013
• Tip diameter 9.5 x 1000, 1400 or 2000mm length

ThermaData TD data logger, LCD with internal sensor 

• NTC thermistor sensor
• Temperature range -30 to 85°C
• Records up to 4000 readings
• 2 LED's plus LCD display
• Optional UKAS 3 point certificate available
• Meets EN 12830:1999, S & T, C & D, 1

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

Data logger USB cradle, software and start magnet

• Supplied with ThermaData logger PC software
• Essential for all Mk2 ThermaData loggers
• One metre PVC lead

Therma-Hygrometer with internal and external temperature probe

• New improved case design
• Displays both humidity and temperature
• Maximum, minimum memory function
• Integral sensor & remote probe
• Wall or stand mounting

Dial thermometers with pocket clip.

• 45mm dial size
• 130mm stainless steel stem
• Available in 3 temperature scales

Pipe clamp temperature probe for use in the HVAC sector

• Response time less than 4 seconds
• Ideal for pipes, HVAC etc
• Probe temperature range -10 to 100 °C
• For pipes from Ø6 to 30mm
• Accuracy to BS EN 60584-1:2013

• Therma Waterproof stainless steel wall bracket 832-015
• stores your Therma Waterproof safely
• provides easy wall hanging
• fits thermometer in boot

pH Electrode Storage Solution

• Specially formulated for pH electrodes
• Eliminates pre-soaking

Plug-mounted fast response penetration probe 

• Response time less than two seconds
• Accuracy (type K) ±0.5 °C (0-100 °C)
• Accuracy (type T)  ±0.2 °C (-20-70 °C
• Probe dimensions Ø3.3 x 80 mm or 120 mm
• Reduced tip dimensions Ø1.8 x 25 mm
• Designed for use with the 323-950 probe handle

The Super-Fast Mini thermometer with max, min and hold functions

• Fast response probe
• Auto-on function 
• Easy to use, pocket-sized thermometer
• Max-min & hold functions

CR2032 lithium - pack of 2 - 3v

Pipe thermometers - dial surface. Ideal for HVAC industry

• Ideal for hot water pipes
• 60mm dial size
• Stainless steel spring kit supplied
• Temperature in 2°C divisions

Pocket-sized pH meter

• Automatic calibration for hassle-free accuracy
• Hold function pauses readings on-screen
• Accuracy: ±0.2 pH
• Simple and user-friendly design

Stainless steel oven thermometer with colour-coded zones

• Ø55mm dial
• Indicates temperature over the range of 0 to 300°C
• The case measures 43 x 66 x 80mm
• Robust stainless steel case
• Colour-coded dial

8000 pH meter with interchangeable pH electrode (included)

• Automatic calibration for hassle-free accuracy
• Automatic temperature compensation for added precision
• Accuracy: ±0.05 pH
• 5,000-hour battery life

DOT / ChefAlarm or Smoke oven probe and clip

• Made specifically for the DOT, Smoke or ChefAlarm
• Incorporates clip to attach to oven shelf
• Supplied with 1.2 metre braided lead
• Extra spare clips available
• dimensions Ø3.5 x 50 mm

Therma-Hygrometer with max/min and alarm functions

• 0 °C or below audible alert/alarm
• Remote %rh & remote temperature probe

pen-shaped pocket hygrometer and thermometer

• Displays humidity & temperature
• Max/min memory function 
• Truly pocket sized

Comparator for infrared thermometers.

• Portable & easy to use
• No external power required
• Allows economical infrared thermometer checking

Waterproof Thermocouple Penetration Temperature Probe Type K

• Temperature range -75 to 250 °C
• Accuracy ±0.5 °C, 0°C to 100 °C
• Ø 3.3 x 130mm
• Coiled lead version available
• Response time less than 3 seconds

Thermocouple surface temperature probe with type K connector

• Fast response in under 1 second
• Coiled and straight leads available
• -75 to 250 °C temperature range
• Accurate to BS EN 60584-1:2013
• Dimensions Ø8 x 130 mm

ThermaData TD1F temperature data logger with dual sensors for wireless temperature monitoring

• One remote probe & one internal sensor
• Email alerts for high/low temperature warnings
• Temperature data accessible online
• Programmable high/low alarms
• Simple to set up and use
• Free traceable calibration certificate

The ThermaData TD1F temperature data logger takes automatic temperature measurements and sends the data to your PC via Wi-Fi. Ideal for use in the food industry as part of HACCP procedures

Plug-Mounted Ribbon Surface Temperature Probe

Cable-free ribbon surface temperature probe

• Enables single-hand operation
• Fast response in under 1 second
• Straight or 90° probe options
• -75 to 250 °C temperature range
• Accurate to BS EN 60584-1:2013
• Probe dimensions Ø15 x 130 mm

RayTemp 8 Infrared Thermometer with integral type K thermocouple socket

• Temperature range IR -60 to 500 °C, probe -64 to 1370 °C
• Includes differential & average temperatures
• Two-in-one thermometer
• Target ratio 12:1

Sold exclusive of probe

Temperature probe - extended penetration probe

• Ø3.3 x 300mm
• Temperature range -75 to 250 °C
• Accuracy (type K) ±0.5 °C, 0°C to 100 °C
• Accuracy (type T)  ±0.2 °C, -20 °C to 70 °C
• Coiled lead option available (323-168)

Kitchen oven timer minutes/seconds

• Easily programmable
• 70 decibel audible alarm
• Pocket clip/foot stand

Miniature needle temperature probe

• Ideal for measuring liquids and semi-solids
• Ultra-fast response time
• Probe temperature range -75 to 250 °C
• Accuracy (type K) ±0.5 °C, 0°C to 100 °C
• Accuracy (type T) ±0.2 °C, -20 °C to 70 °C
• Ø1.4 reducing to Ø1mm tip x 50mm

Replacement penetration probe for the 810-950 EcoTemp thermometer

• temperature range -49.9 to 199.9 °C
• dimensions Ø3.5 x 125 mm
• supplied with a 700 mm silicone connecting lead

Fast response Therma 20 NTC thermistor needle penetration probe

• Response time less than four seconds.
• Probe temperature range -40 to 150 °C
• Accuracy ±0.4 °C between -20 & 100 °C
• Ø2.6 x 130mm

ThermaData WiFi TD thermistor WiFi logger with one internal sensor 

• One internal sensor
• Resolution of 0.1 °C/°F
• Programmable high/low alarm
• Email alerts when alarm limits exceeded
• Access temperature data worldwide via internet
• User friendly, simple setup
• Free traceable calibration certificate

Thermapen Stainless Steel Wall Bracket

• Stores your Thermapen safely
• Provides easy wall hanging
• Fits Thermapen Classic & Thermapen Professional
• Dimensions h: 115 x w: 58 x d: 27 mm

Screws are not supplied. Bracket excludes instrument.

replacement probe for the 810-080 Indoor/outdoor thermometer

• 3m water-resistant silicone lead
• easy, rapid and accurate temperature measurements
• temperature range -49.9 to 69.9 °C

Stainless steel wall bracket with a white silicone cover

• Stores your thermometer safely
• Easy wall hanging
• White boot provides added protection in use
• Dimensions h: 102 x w: 79 x d: 39 mm

ETI Reference Calibration Thermometer for calibration testing

• ±0.03 °C/°F high system accuracy
• 5-point UKAS Calibration Certificate included
• Supplied with a high-accuracy probe
• Ideal for calibration comparison checks
• Polygiene BioMaster product protection
• Meets the European Standard EN 13485
• Delivery within 10-14 days, product is calibrated at the time of purchase

ETI Reference Calibration Thermometer for calibration testing is a high-accuracy PT100 device for completing calibration tests on a range of thermometers and probes.

Upgrade to the Reference Plus Thermometer for max/min and hold functions.

DishTemp Blue dishwasher thermometer with Bluetooth® wireless technology 

• Simulates maximum plate surface temperatures
• Cost-effective, reusable thermometer 
• More accurate dishwasher checks  
• Waterproof to IP66
• Ideal for HACCP compliance  
• Free traceable calibration certificate

ThermaData Wi-Fi temperature and humidity data logger for wireless monitoring

• Simultaneously displays humidity and temperature
• Access recorded data online
• Programmable high/low alarms with digital alerts
• Records up to 18,000 readings
• Free software with no subscription charges
• UKAS calibration certificates available

UKAS 3 point calibration certificate - for data loggers with internal sensor only

• 3 point temperature certificate
• Check points -18, 0, +40°C
• In-house laboratory
• Experienced personnel

Protective silicone rubber cover for ThermaGuard and ThermaQ Wi-Fi thermometers

• Protects against accidental damage
• Made from durable silicone

Colour-coded NTC thermistor penetration probe for Therma 20 thermometer

• Ideal for liquids, semi-solids and more
• Probe temperature range -40 to 150 °C
• Accuracy ±0.4 °C between -20 & 100 °C
• Ø3.3 x 130mm

DOT digital oven thermometer with alarm for monitoring roast and BBQ meat

• Easy to set up and use
• Audible alerts for perfectly cooked food
• Food probe included
• Magnetic - attaches to the exterior of the oven or BBQ for easy display
• Durable, water-resistant case
• Large backlit LCD display

Cook meat to perfection with the DOT leave-in oven meat thermometer, monitoring from outside of the oven or BBQ using the digital display. Ready to use in seconds, this alarm thermometer will ensure you never overcook your food again

Protective wallet/holster for Thermapen thermometers - 830-110

• Protects your thermometer
• Suitable for Thermapen and FPT thermometers
• Belt loop for secure attachment

AA Duracell alkaline battery - 1.5v

• Pack of 6
• Long life power!

UKAS 3 point humidity calibration certificate - instrument only

• 3 point humidity certificate
• Check points 25, 50, 75%rh
• In-house laboratory
• Experienced personnel

TempTest smart thermometers with unique rotating display

• Fast response probe, reaches temperature in just 3 seconds
• Patented, automatic 360° rotational display
• Small, compact, waterproof (IP67) design
• Auto intelligent backlit display
• Biomaster product protection
• Meets the European Standard EN 13485
• Free traceable certificate of calibration included
• UKAS 3 point certificate available

8100 Plus pH Temperature Meter and optional Kit package

• Robust waterproof case gives IP66/67 protection
• Manual/automatic temperature compensation
• Simple pH re-calibration
• 2 year guarantee
• Polygiene BioMaster product protection

Optional kit price includes electrode and probe

Stainless Steel ThermaData Pro data logger range - ideal for food, pharmaceutical and other high temperature applications.

• Integral USB interface for setup and download
• Auto PDF summary
• High temperature range -20 to 125°C
• 6 probe options available
• IP66/67 waterproof
• UKAS 3 point certificate available at extra cost

Pro-Surface Thermapen surface thermometer for grills and hotplates

• Pivoting probe & swivel head for perfect contact
• Temperature range -49.9 to 299.9 °C
• One-handed operation
• 2 year guarantee
• Biomaster product protection
• Meets the European Standard EN 13485 
• Free protective Pouch included (830-001)

Magnetic Radiator or Pipe Thermometer.

• Ideal for Central Heating and HVAC use
• 60mm dial face
• Magnetic mounting pad supplied
• Temperature in 2°C divisions

ThermaData TD2F - two channel thermistor WiFi logger for wireless temperature monitoring

• Two external remote probes
• Remote sensor range -40 to 125 °C
• Email alerts when alarm limits exceeded
• Access temperature data worldwide via internet
• Programmable high/low alarm
• User friendly, simple setup
• FREE traceable calibration certificate
• Optional UKAS 5 point certificate available

ThermaStick Pocket Thermometers

• Reduced tip for faster response
• Large, easy to read LCD display
• Max/min function
• Biomaster product protection
• Waterproof to IP66

Temperature probe extension lead

• Extends reach up to additional 1000 or 2000mm
• Fits any ETI K thermocouple probe
• 4 options available

Compact, pen-shaped digital catering thermometer with stainless steel probe

• Temperature range -49.9 to 149.9 °C
• Display hold feature & °C/°F functions
• Supplied with probe cover, incorporating pocket clip

pH Electrode Cleaning Solution

• Specially formulated for cleaning pH electrodes
• Simple and easy to use
• Prolongs useful life of the electrode
• Restores proper electrode performance

Data logger - ThermaData TDF data logger - LCD with external fixed sensor 

• NTC thermistor sensor
• -40 to 125°C 
• Records up to 4000 readings
• Ø3.3 x 100mm probe, 1m PVC/PFA lead
• Optional UKAS 5 point certificate available
• Meets EN 12830:1999, S & T, C & D, 1, 0.5

*When ordering loggers it is necessary to order at least one ThermaData logger cradle

High temperature flexible thermometer probe

• Ø3 x 130mm
• Maximum probe temperature 1100°C (type K)
• Temperature range -200 to 1100°C
• Accuracy to BS EN 60584-1:2013

Fast - response temperature probe - Type K

• Ø3.3 x 100mm
• Ideal for delicate foods, soft rubber and other similar materials
• Temperature range -75 to 250 °C
• Accuracy ±0.5 °C, 0 °C to 100 °C

HVAC Premium thermometer kit specifically designed for the heating & ventilation industry

• 0.1°C resolution
• Probes included
• Polygiene BioMaster product protection
• Free certificate of calibration

T-shaped handle needle penetration probe

• Reduced sensing tip for faster response
• Response time less than 20 seconds
• Probe temperature range -75 to 250 °C
• Accuracy to BS EN 60584-1:2013
• Ø8 x 500mm

Kitchen oven timer with a minutes and seconds or hours and minutes option

• Programmable
• Easy to read LCD display
• 80 decibel audible alarm
• Pocket clip/foot stand

Waterproof thermometer kit designed for legionella risk assessments

• 0.1 °C resolution
• 3 probe types included
• IP66/67 waterproof protection
• Free calibration certificate
• Water-resistant timer
• Carton of 100 single sachet probe wipes
• ABS carrying case

Thermometer-hygrometers with integrated sensors

• Measures temperature and humidity
• Max/min and hold functions
• Dew point calculation
• High accuracy ±2 %rh
• 10,000-hour battery life
• Optional 3-point (25, 50 & 75 %rh) UKAS certificate

Half AA lithium battery - 3.6v

This digital max/min thermometer simultaneously displays the actual temperature whilst displaying the max and min temperatures on a digital LCD bar graph

• Simultaneously displays the actual, max and min temperature
• Ideal for recording greenhouse temperatures
• Resolution of 1°C/°F or 0.1°C/°F (Max & Min)
• Large custom LCD display