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Yellow digital multimeter with rubber boot and backlit LCD display

Sperry Instruments

Sperry Instruments DM6650T True RMS Digital Multimeter 10 Function

SKU CH-7M2W-PZFPZ

True RMS digital multimeter with 10 functions, non-contact voltage detection, auto-ranging up to 1000 V and 10 A, backlit LCD with bar graph, and impact-resistant rubber-booted housing

  • True RMS circuitry gives accurate readings on non-linear waveforms
  • Integrated non-contact AC/DC voltage detection speeds up safety checks
  • Relative Delta function shows how readings change over time
  • Large backlit LCD with bar graph makes values easy to read
  • Impact-resistant housing with rubber boot protects the meter on site

What this multimeter does

The Sperry DM6650T is a true RMS digital multimeter built for electricians and technicians who need reliable measurements on non-linear waveforms. It combines ten functions in one compact tool, covering AC and DC voltage up to 750 and 1000 volts respectively, plus current, resistance, frequency and capacitance. Integrated non-contact voltage detection adds a quick safety check before contact is made.

How it fits in your kit

The meter runs on a single 9 V battery that is supplied with the unit, so it is ready for immediate use without hunting for a power source. Its impact-resistant ABS housing with a heavy-duty rubber boot protects the internals from drops on job sites, while the large backlit LCD and bar-graph indication remain readable in dim panels or bright sunlight. Test-lead input icons on the front panel guide correct lead placement, reducing wiring errors during fast troubleshooting.

What the included accessories change

The bundled test leads and installed battery let you start measuring the moment you open the case, with no extra purchase required. Relative Delta mode shows how a reading shifts from a reference point, the min/max function captures peak and trough values automatically, and data hold freezes the display for easy recording. Together these features turn a basic measurement session into a documented diagnostic record.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $220.99
Pricier than about 81% of the 5,006 comparable items (median $95.99).

Specifications

No published specifications for this item yet.

Questions about this item

What is the 10 A current limit during continuous measurement?

The meter measures up to 10 A AC or DC; sustained loads at that level will trip the internal fuse and stop the reading.

How hot or noisy does the DM6650T get during all-day use?

No fan is fitted so it runs silent; the ABS housing with rubber boot stays cool to the touch under normal electrician workloads.

Which test leads are required to use the 750 V AC and 1000 V DC ranges?

The supplied positive and negative test leads plug into the front-panel icons and are rated for the full 750 V AC / 1000 V DC ranges.

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