FLIR CM276 vs DM286: Thermal Clamp Meter or Imaging Multimeter?

Choose the FLIR CM276 when your main job is AC/DC load current through a clamp jaw; choose the FLIR DM286 when you need current through test leads, including µA and mA, or contact temperature. Both combine thermal imaging with electrical measurements, but their current inputs solve different jobs. For a first imaging instrument, buy the measurement path you use most and budget for the missing capability separately.

Quick picks: jaw current or lead current?

Compare specifications and all conditions

Load-current inspections

Pick

CM276

Reason and remaining purchase

Built-in 600 A AC/DC jaw; add a separate instrument for lead-based µA/mA or contact temperature.

Small-current and component troubleshooting

Pick

DM286

Reason and remaining purchase

Dedicated µA/mA/A inputs and Type-K temperature; add a compatible clamp for high-current work.

Thermal documentation with an existing electrical kit

Pick

Keep the complementary instrument

Reason and remaining purchase

Compare which current path your existing meter already covers before duplicating it.

Full comparison table ↔

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Your priority	Pick	Reason and remaining purchase
Load-current inspections	CM276	Built-in 600 A AC/DC jaw; add a separate instrument for lead-based µA/mA or contact temperature.
Small-current and component troubleshooting	DM286	Dedicated µA/mA/A inputs and Type-K temperature; add a compatible clamp for high-current work.
Thermal documentation with an existing electrical kit	Keep the complementary instrument	Compare which current path your existing meter already covers before duplicating it.

Your priority	Pick	Reason and remaining purchase
Load-current inspections	CM276	Built-in 600 A AC/DC jaw; add a separate instrument for lead-based µA/mA or contact temperature.
Small-current and component troubleshooting	DM286	Dedicated µA/mA/A inputs and Type-K temperature; add a compatible clamp for high-current work.
Thermal documentation with an existing electrical kit	Keep the complementary instrument	Compare which current path your existing meter already covers before duplicating it.

For the underlying choice, read clamp meter vs multimeter; our best clamp meters covers the broader category.

CM276 vs DM286: the electrical differences

These are FLIR specifications, not readings verified by thisMETER. The ranges below describe the native inputs; accessory clamp modes are separate.

Sources: CM276 manual, CM276 datasheet, DM286 manual and DM286 specifications.

Best for load-current inspections: FLIR CM276

The CM276 combines a True RMS AC/DC clamp with thermal imaging, a low-impedance voltage mode and a VFD low-pass filter. Choose it when load current and thermal records belong in the same inspection.

Its 35 mm jaw still needs physical access to the conductor and room to close completely. FLIR warns that enclosing multiple circuit poles produces a differential measurement and that nearby current-carrying equipment can affect accuracy. Check conductor diameter and working clearance before ordering.

The native jaw ranges stop at 600.0 A; the separate external-clamp input offers AC ranges through 3000 A. FLIR lists the TA74 flexible current probe as optional, so that larger range is not a capability supplied by the standard box alone.

The trade-off is the input layout: its lead connectors serve voltage and component functions, with no dedicated µA/mA current jack or Type-K temperature mode listed. Keep a suitable DMM or contact thermometer if those are regular jobs.

Check specifications and availability at FLIR

Best for lead-current and contact-temperature work: FLIR DM286

The DM286 is a True RMS imaging DMM with separate A and µA/mA inputs, low-impedance voltage measurement, VFD mode and a built-in non-contact voltage detector. Its 4000 µA range resolves 1 µA, and its 400.0 mA range resolves 0.1 mA. Those are stronger reasons to choose it than the shared thermal resolution.

The 10 A input is time-limited: FLIR permits no more than 10 seconds, with 15 minutes between measurements. For repeated load-current work, choose the clamp architecture or add an appropriate external clamp rather than planning around the DMM current jack.

Contact temperature is another substantive difference: the input spans −40 to 400°C, but the included K-type probe covers only −30 to 260°C. FLIR excludes the thermocouple probe’s accuracy from the meter-input specification. Choose a task-appropriate probe when its shape, insulation or range is unsuitable.

The DM286’s optional flexible-clamp mode reaches 3000 A AC, and FLIR explicitly says the adapter’s accuracy is additional to the meter specification. It does not turn the standard package into a built-in AC/DC jaw instrument.

Check specifications and availability at FLIR

Buying guide: useful ranges and input protection

A display step is not a guaranteed accurate minimum: the DM286 manual specifies accuracy assurance from 5% to 100% of range. For CM276, the current table gives ±(2.0% + 5 digits) on its normal AC/DC jaw ranges, with additional AC waveform conditions and position error. For leakage, standby or other small-current work, compare the full error specification at the expected reading before selecting either instrument.

DM286 fuse protection is input-specific: the maintenance section specifies 600 mA, 1000 V, 10 kA interrupt rating for mA and 11 A, 1000 V, 30 kA interrupt rating for A. Use the specified replacement type; a current-range number does not describe its protection.

Check the DC-voltage accuracy discrepancy before buying. FLIR’s DM286 product page and datasheet give ±(0.09% + 3), while its linked manual’s DC-voltage table gives ±(0.9% + 3 digits) outside the mV range. Ask FLIR to resolve that discrepancy if DC-voltage precision decides the purchase.

Thermal imaging helps locate a problem; it does not replace the inputs

Both instruments have 160 × 120 thermal detectors, radiometric still-image storage and MSX, which adds visible-camera detail to thermal images. Both have 6000-count electrical displays; DM286’s screen is 2.8 inches, against 2.4 inches on CM276.

Treat a thermal pattern as a reason to investigate, then use the appropriate electrical measurement to establish the cause. An IR temperature range is separate from contact-probe capability and does not add a missing current input.

Saved files, Meterlink and the computer workflow

Neither needs a phone for local measurement and capture; Meterlink adds mobile sharing and analysis. The Meterlink app manual requires iOS 14.0 or later, or Android 10 or later. Check your intended device and current app listing before making mobile reporting part of the purchase.

Long local recording does not mean equally long Bluetooth transfer: CM276’s manual limits shared clips to 20 seconds. For DM286, the product page and datasheet also say 20 seconds, but the linked manual says 30 seconds. Resolve that mismatch with FLIR if clip length matters; plan to offload longer recordings by USB.

CM276’s manual documents a Windows PC workflow in which the meter appears as external storage; DM286’s manual likewise describes an external-drive PC transfer. Both support downloading logs for spreadsheet use. Check the actual file import and reporting workflow before buying for unattended documentation.

1. 1

   Choose what to save

   Decide whether you need electrical logs, radiometric stills or video.

2. 2

   Choose the destination

   Check the mobile app requirements or the documented PC transfer route.

3. 3

   Check the handoff

   Confirm clip limits and spreadsheet import before relying on the workflow.

Exact packages, optional accessories and remaining tools

This comparison covers the standard CM276 and DM286 packages, not a flex-probe or PV bundle. The US CM276 datasheet identifies its standard order as 793950392768.

Check DM286 charging before ordering. Its product page still links the TA04-KIT charging kit, but the kit’s own page marks it discontinued. Confirm a currently supported way to recharge the supplied packs; do not assume the standard box contains a separate charger.

The DM286 package page describes the supplied leads and clips as CAT IV 600 V; check their actual markings before relying on the meter’s CAT III 1000 V rating.

CM276’s optional TA85 leads or TA86 MC4 plugs enable its dedicated 1500 V DC PV measurement path, only in the PV switch position; that is separate from its ordinary 1000 V functions. FLIR also labels PV power 900 kVA in the CM276 datasheet and 900 kW in the manual; confirm that specification rather than treating the units as interchangeable. Order the standard package only if its supplied leads cover your intended work.

• Yes: Both standard packages include test leads, a USB cable and a soft case
• Yes: DM286 includes a contact-temperature probe and alligator clips
• No: CM276 does not list a Type-K contact-temperature function
• Partly: External flex-clamp capability requires an additional probe

Comparing imaging-DMM generations instead? Use our FLIR imaging-DMM generation comparison. For a conventional DMM shortlist, start with best multimeters.

How we choose

We compared FLIR’s model-specific manuals, US datasheets, electrical tables, package lists and Meterlink documentation. Recommendations reflect documented capabilities; thisMETER has not physically evaluated these instruments. Conflicting maker specifications are identified above, and a range or display resolution is not presented as a verified result. Our selection method explains the research approach.

Verdict

Buy CM276 for built-in AC/DC jaw current and thermal inspection records; buy DM286 for lead-based µA/mA/A and contact temperature. Keep or add the complementary tool your work requires, and confirm the exact kit and reporting workflow before ordering.