Reed R5020-NIST 400A AC Clamp Meter with NCV




Reed R5020-NIST 400A AC Clamp Meter with NCV

Reed R5020-NIST Datasheet (PDF)

Compact AC clamp meter with built-in non-contact voltage (NCV) detector and contact thermometer.


REED R5020-NIST Offers

This compact autoranging clamp meter is capable of measuring AC current, AC/DC voltage, resistance, frequency, capacitance, duty cycle and temperature. Featuring double molded plastic housing, the R5020 includes diode check and continuity functions and a non-contact voltage detector built into the clamp tip.


  • Measures AC current, AC/ DC voltage, resistance, capacitance, frequency, duty cycle and temperature
  • 4000-count LCD display with low battery and overrange indicators
  • Built-in non-contact voltage detector with LED indicator
  • Display hold and relative mode
  • Diode test and continuity check functions
  • Durable double molded plastic housing
  • Cat. III 600V safety rating

REED R5020 Specifications

AC Current
Range 40, 400A
Accuracy AC: ±(2.5% rdg. + 8 dgt.)
Resolution 0.01, 0.1A
AC/DC Voltage
Range AC: 4, 40, 400, 600V
DC: 400mV, 4, 40, 400, 600V
Accuracy AC: ±(1.8% rdg. + 8 dgt.)
DC: ±(1.5% rdg. + 2 dgt.)
Resolution AC: 0.001, 0.01, 0.1, 1V
DC: 0.1mV, 0.001, 0.01, 0.1, 1V
Range 400Ω, 4, 40, 400kΩ, 4, 40MΩ
Accuracy ±(1.5% rdg. + 2 dgt.)
0.1Ω, 0.001, 0.01, 0.1kΩ, 0.001, 0.01MΩ
Range 40, 400nF, 4, 40, 100µF
Accuracy ±(3% rdg. + 5 dgt.)
Resolution 0.01, 0.1nF, 0.01, 0.1μF
Range 10MHz
Accuracy ±(1.2% rdg. + 2 dgt.)
Resolution 0.01Hz
Range -4 to 1400°F (-20 to 760°C)
Accuracy ±(3.0% rdg. + 9°F)
±(3.0% rdg. + 5°C)
Resolution 1°F, 1°C
General Specifications
Range Selection Autoranging / Manual
Display 4,000 count LCD display
Display Hold Yes
Relative Mode Yes
Diode Test Yes
Continuity Check Audible signal if resistance <150Ω
Duty Cycle Yes
Non-Contact Voltage Detector Yes
Autoshut off Yes (after 15 mins)
Power Supply 2 x AAA
Low Battery Indicator Yes
Jaw Opening 1.2″ (30mm), up to 350 MCM
Overvoltage Category CAT. III 600V
Product Certifications CE
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature -4 to 140°F (-20 to 60°C)
Dimensions 7.9 x 2.6 x 1.5″ (200 x 66 x 37 mm)
Weight 7.2oz (205g)

What’s included with the REED R5020

  • AC Clamp Meter
  • Test Leads
  • Thermocouple Wire Probe
  • Thermocouple Adapter
  • Batteries
  • Soft Carrying Case
  • Calibration Certificate

Ideal Applications for the REED R5020

Industrial maintenance teams performing scheduled and preventative maintenance on electro-mechanical equipment and systems.

Facilities, building maintenance and electricians looking to troubleshoot electrical equipment installation problems.

Additional information

Weight 2 lbs
Dimensions 10 × 7 × 8 in

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