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FLIR CM275 Thermal Imaging Clamp Meter

The FLIR CM275 clamp meter combines thermal imaging with electrical measurement into powerful inspection, troubleshooting, and diagnostic tools

Next Day Delivery (subject to availability)

£458.00 excluding VAT £549.60 including VAT @ 20%
  • Batteries Supplied
  • Case Included
  • Thermal Range -10 °C to +150 °C
  • 160 x 120 pixels
  • Three Selectable Colour Palettes
  • Switch Between °F and °C
  • Auto Off
  • FreeDelivery
  • 30DayMoneyBack
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FLIR CM275 Thermal Imaging Clamp Meter

The FLIR CM275 Thermal Imaging Clamp Meter combines accurate measurement of electrical parameters with FLIR’s state-of-the-art thermal imaging technology. It can measure AC/DC current up to 600A via its 35mm jaw whilst the meter can also perform contact measurement of voltage (1000V), resistance (6kΩ), and capacitance (1000µF). Other functions include diode testing and inrush current measurement for assessing the start-up phases of motors. VFD mode is perfect for motor drives and true RMS measurement makes AC parameters more accurate.

In addition to its advanced measurement functions, the FLIR CM275 has a 160 x 120 pixel thermal sensor which measures surface temperature from -10˚C to 150˚C with ±3˚C or 3% accuracy. The 150mK thermal sensitivity means that temperature differences of just 0.15˚C can be depicted on screen across a 50˚ x 38˚ field of view. A laser pointer helps the user direct the camera and there is the choice of iron, rainbow and greyscale palettes.

FLIR CM275 Thermal Imaging Clamp Meter

It is easy to select the function on the FLIR CM275 using the simple dial. Other buttons allow ranging, fine adjustments and different measuring modes such as min/max recording and data hold. Results and thermal images are shown on the 2.4” screen and both readings and images can be saved to clamp meter’s internal memory. Files can then be wirelessly transferred via Bluetooth® to the user’s smartphone using the FLIR Tools or FLIR InSite apps.

The practical design of the FLIR CM275 makes it suitable for working in tricky or cramped conditions. The integrated torch illuminates the area in dark cabinets and the slimline clamp jaws can fit into awkward cavities. It is drop tested to 2m and is safety rated as Cat III 1000V / Cat IV 600V. The clamp meter benefits from a ten-year manufacturer’s warranty.

The CM275 Comes Supplied With:

  • FLIR CM275 Thermal Imaging Clamp Meter
  • 3 x AA batteries
  • Premium Cat IV silicone test leads
  • Quick start guide
  • Instruction manual for FLIR CM275

FLIR CM275 Thermal Imaging Clamp Meter

Key Features:

  • Thermal imaging allows you to quickly scan for overheating system components, then use the test functions to troubleshoot and diagnose the fault
  • Scan entire targets for electrical issues with 160 × 120 thermal resolution
  • Use advanced electrical features including VFD mode, true RMS, and LoZ
  • Wirelessly connect to the FLIR InSITE professional workflow management tool to streamline inspections and simplify data collection, sharing, and reporting
  • Store electrical measurements and thermal images internally, for later review
  • Thermal imaging capability helps spot overheating components in circuitry
  • Measure AC/DC current, AC/DC voltage, resistance and capacitance

FLIR Comparison Table

CM275 CM174 CM74 CM72
IGM Resolution 19,200 Pixels 4800 Pixels N/A N/A
Display Counts/Type 6000/2.4" Colour TFT 6000/2" Colour TFT 6000/Backlit LCD 6000/Backlit LCD
Jaw Opening 1.38 in. 1.38 in. 1.38 in. 1.38 in.
AC/DC Voltage 1000 V 1000 V 1000 V 600 V
AC/DC Current 600 A 600 A 600 A 600 A
VFD Yes Yes Yes N/A
LoZ Yes Yes Yes Yes
Resistance 6.00 6.00 6.00 6.00
Data Storage 10 Files (40K Readings) ,
100 Images

About FLIR

FLIR Systems - The World's Sixth Sense

FLIR Systems, Inc. designs, develops, manufactures, markets, and distributes technologies that enhance perception and awareness. We bring innovative sensing solutions into daily life through our thermal imaging systems, visible-light imaging systems, locator systems, measurement and diagnostic systems, and advanced threat detection systems. Our products improve the way people interact with the world around them, enhance public safety and well-being, increase energy efficiency, and enable healthy and entertained communities.

 Resolution 160 x 120 (19,200 pixels)
Temperature Sensitivity 150mK
Temperature Accuracy 3°C or 3%
Temperature Range 14 to 302°F (-10 to 150°C)
Field of View 50.0° x 38°
Focus Fixed
Thermal Imaging Palette Iron, Rainbow, Grayscale
Continuity Check 30Ω
Data Logging & Storage 10 sets of 40K scalar measurements, 100 images
Jaw Opening 35mm (1.38in) 1250 MCM
Electrical Specifications
AC/DC Volts Range: 1000V
Accuracy: ±1.0%
AC/DC Amps Range: 600.0A
Accuracy: ±2.0%

Standard FREE 3-5 Day Courier Delivery – UK Mainland only - Zones A & B
Included in the price for all orders over £40.00 (exc vat). Sent using express courier, delivered within 3-5 working days from the date of your order, subject to availability.

Standard 1-2 Day Express Courier Delivery – UK Mainland only - Zones A & B
£4.50 for all all orders under £40.00 (exc vat). Sent by express courier, delivered within 1-2 working days from the date of your order, subject to availability.

Express Courier 1-2 Day Delivery – UK Mainland only - Zones A & B
£4.50 select at the checkout. Sent using express courier.

Next Day Delivery – UK Mainland only - Zones A & B
£8.00 select at the checkout. Sent using express courier, orders must be placed before 3pm for next day delivery, subject to availability.

Saturday Pre 12am - UK Mainland only - Zones A & B
£15.00 select at the checkout. Sent using express courier, orders must be placed before 3pm for Saturday delivery.

Orders must be placed before 3pm for next day delivery and a telephone number supplied, subject to availability.
Please note that predicted delivery times are based on regular trading days Monday to Friday. Public holidays, bank holidays and weekends are outside the usual scope of our dispatch and therefore may incure additional days lead time to your order.

Orders requiring calibration. Whilst we take the greatest care to get all orders dispatched and delivered to you in the stated time frame, orders received late afternoon and requiring calibration may on occasion miss dispatch that day, according to the complexity of the calibration. Be assured they will ship on the next dispatch, this in most cases should not add more than 24 hours to you delivery.

Delivery Surcharges
Because of the high cost of carriage we need to apply a surcharge on all deliveries made in the following regions bringing the carriage charges to:

  • Zones A & B  - Mainland delivery rates apply. 
  • Zone C - Scottish Highlands. 
  • Zone D - Outer Hebrides, Orkney Isles, Shetland Isles, Isle of Man, Scilly Isles, and Channel Islands.
  • Zone E - Northern Ireland
  • Zone F - Republic of Ireland

New Postage Map Sept 2018> 

International delivery

International delivery charges are automatically added to your order at the checkout; you can also use the guide below for a guide on prices. For any questions regarding international deliveries please contact us at

If no shipping option is available to your selected country please call us on +44 (0) 1603 406 148 to purchase your items.