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Clamp meters: top picks
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Best overall FlukeFluke 323 True-RMS Clamp Meter
Highly accurate True-RMS clamp meter with durable build, trusted for electrical troubleshooting in commercial settings.
- True-RMS for accurate AC measurements
- Rugged and durable
- Easy to use with large display
- No DC current measurement
- Limited to 400A
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Best value KLEIN TOOLSKlein Tools CL800 Digital Clamp Meter
Versatile True-RMS clamp meter with Bluetooth connectivity for remote monitoring, great for HVAC and electrical work.
- Bluetooth app integration
- Auto-ranging and True-RMS
- Includes temperature and capacitance
- App can be sluggish
- Build feels slightly plasticky
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Best budget pick UNI-TUni-T UT210D Mini Clamp Meter
Compact and affordable AC/DC clamp meter with good accuracy for basic electrical tasks and DIY projects.
- Very affordable
- Measures DC current
- Small and portable
- Limited to 100A AC
- No True-RMS
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Best for HVAC KLEIN TOOLSKlein Tools CL390 Digital Clamp Meter
Designed for HVAC with low current sensitivity and temperature measurement, plus auto-ranging for convenience.
- Low current sensitivity (0.1A)
- Includes temperature probe
- Cat IV safety rating
- No DC current
- Backlight could be brighter
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Best for professionals FieldpieceFieldpiece SC260 Compact Clamp Meter
Durable True-RMS clamp meter with dual display and motor rotation indicator, suitable for demanding electrical jobs.
- Dual display for simultaneous readings
- Motor rotation indicator
- Cat III 600V rated
- Pricey for some
- No Bluetooth
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Best for accuracy ExtechExtech EX830 True RMS Clamp Meter
True-RMS clamp meter with 99.9A AC range and compact size, ideal for precision electrical measurements.
- High accuracy with 0.01A resolution
- Thin jaw for tight spaces
- Auto power off
- No DC current
- Display not backlit
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Best advanced features FlukeFluke 376 FC True-RMS Clamp Meter
Premium clamp meter with iFlex current probe, Bluetooth, and data logging for high-end electrical diagnostics.
- iFlex for measuring large conductors
- Bluetooth and Fluke Connect app
- High accuracy and safety rating
- Expensive
- Complex for beginners
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Best for general use AmprobeAmprobe AMP-220 Clamp Meter
Solid all-around clamp meter with True-RMS and voltage, resistance, and capacitance functions at a reasonable price.
- True-RMS and auto-ranging
- Includes capacitance measurement
- Good safety rating (Cat III 600V)
- No DC current
- Jaw opening only 1.28 inches
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Best entry-level AstroAIEtekcity MSR-C600 Clamp Meter
Budget-friendly clamp meter with basic AC current and voltage functions, suitable for simple home electrical checks.
- Extremely affordable
- Simple operation
- Includes test leads and case
- No True-RMS
- Limited to 600V AC
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Best for industrial use GreenleeGreenlee CM-600 Clamp Meter
Rugged True-RMS clamp meter with high 600A capacity and backlit display, built for tough industrial environments.
- High current capacity (600A)
- Cat IV safety rating
- Large backlit display
- Heavier than competitors
- No Bluetooth