Sperry® Instruments Analog 600A Clampmeter

A Useful Instrument for the Seasoned Electrical Worker

SPR300Plus application on circuit breaker

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Sperry Instruments™ Analog 600A Clampmeter

    Additional Images
  • Sperry SPR-300PLUS Clampmeter - icon
  • Sperry SPR-300PLUS Clampmeter with Leads - icon
  • Sperry SPR-300PLUS Clampmeter Circuit Breaker Application - icon
  • Sperry SPR-300PLUS Clampmeter Outlet Application - icon
  • Sperry SPR-TL52 Leads - icon

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Application on a Circuit Breaker

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Low Price GuaranteeWhat's special about this voltmeter?

  • Analog operation provides instantaneous readings and current changes in real time, so it is ideal for special applications such as those with fluctuating current
  • Measures resistance and electric current up to 600A without touching conductors for increased safety
  • Broad frequency response of 50 to 400Hz makes this tester useful with a wide range of applications
  • Large, clear window gives fast, distortion free readings for a smooth workflow
  • Click for More Features

The seasoned professional knows that almost all legacy equipment still has unique uses. This Analog Clamp meter by Sperry Instruments gives special readings that even the most advanced digital multimeter cannot achieve. Using a needle instead of an LED readout, this tester provides instant readings and fluctuations in real time. This allows the analog meter to provide a perspective of the situation that wouldn't be possible otherwise.

  • Needle-hold feature helps you keep more accurate records
  • Includes a set of test leads for special applications in which the clamp cannot be used
  • Requires just one standard AA battery for operation, ensuring you will never be stuck without power
  • UL approved to handle the most demanding applications
  • Limited Lifetime Manufacturer's Warranty ensures a long service life


Property Value
AC Voltage 150, 300, 600V - Accuracy: +3% of FS
AC Current 6,20,60,200,600A - Accuracy: +3% of FS
Resistance 2K - Accuracy: +3% of FS
Insulation Protection 10MΩ min. at 1000V between electrical circuit and housing or metal section of transformer jaws
Overload Protection AWS Part #F-1, 0.5A, 250V, 1/4" x 1-1/4" fuse and diode
Frequency Response 50-400Hz
Conductor Size Approx. 1.2" (30mm)
Dimensions 8.7"L x 3.3"W x 1.6"D(220mm x 83mm x 40mm)
Weight Approx. 13.8oz (390g) battery included
Power Source (1) 1.5V AA Battery
Fuse 1/4" x 1-1/4", 0.5A, 250V FF
Temperature RH 80%: 41°F to 104°F (5°C to 4°C) to 87.8°F (31°C), decreasing linearly to 50% RH at 40°C
Cleaning Wipe with a clean dry cloth
Accessories Included Test Leads Model TL-52 one alligator, Banana Plugs are shrouded, Battery B-1, AA type 1.5V, Two 0.5/250V Fuses F-1, durable Case C-53
Industry Standards UL Approved
CE Certified
Overvoltage Category II
Pollution Degree 2
SPR-300PLUS Sperry Analog Clamp Meter 600A 8.7"L x 3.3"W x 1.6"D
(220mm x 83mm x 40mm)
13.8oz (390g)
Test Leads
SPR-TL52 Sperry Probe Type Test Leads N/A 48" (121.9cm) 0.05lb (22.68g)
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