Clamp Meters

MA610 600A AC Clamp Meter by Extech

The MA610 is a fully loaded clamp meter with multimeter functions including AC Current, AC/DC Voltage, Resistance, Frequency, and Capacitance. It also has a built-in non-contact voltage (NCV)detector to quickly check circuits and wires for live voltages.

Features

• 1.2" (30mm) jaw size fits conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch

380950 80A Mini AC/DC Clamp Meter by Extech

Features

• 4000 count LCD display
• 4A range with 1mA resolution for accurate low current measurements
• Jaw opens to 0.5" (12.7mm)
• AC/DC Voltage, Resistance, Frequency, Capacitance, and Duty Cycle
• Diode Test/Continuity Beeper
• Data Hold
• Complete with test leads, two 1.5V AAA batteries, and carrying case

SC640 Loaded Clamp Meter by Fieldpiece

The SC640 clamp meter is packed with more features and measurements than any clamp meter in the HVACR industry. The loaded SC640 features lead storage, a swivel head, test lead holder, heavy duty magnetic strap, jaw flashlight, and a backlight on the dial so you can easily choose the right measurement in poorly lit spaces. Plus the SC640 hosts all the electrical measurements HVACR pros use everyday, along with features like True RMS, Inrush current, capacitance, temperature, duty cycle, and microamps DC.

The top-of-the-line SC640 clamp meter helps HVACR professionals do more everyday:

• Volts AC/DC
• True RMS
• Inrush current
• Swivel clamp
• Magnetic strap
• Probe storage
• Dual display
• Temperature F/C
• Capacitance
• Duty cycle %
• 400 amps AC
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode test
• Hold
• Clamp probe holder
• Dial backlight
• Clamp jaw light
• LCD backlight
• Low battery indicator

Includes

• SC640 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• ASA2 Short Alligator Lead Extensions
• Velcro Strap
• 9V Battery
• ANC7 Padded Case

SC620 Loaded Swivel Clamp Meter by Fieldpiece

The SC620 swivel-head clamp meter is packed with all the electrical measurements HVACR professionals use everyday. It also includes a host of safety features like a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder with detachable leads, and alligator probe tips for easy one-handed testing. As far as ranges go, the SC620 clamp meter has temperature, capacitance, and microamps DC for flame diode tests. It's a rugged workhorse you can count on to get the job done easier, faster, and more safely.

The SC620 is fast reacting, easy-to-use, and rugged, with extended temperature tolerances that allow for testing in freezers and on hot rooftops.Designed specifically for HVACR field service, the SC620 is a dedicated digital multimeter that offers specific features and benefits to help HVACR professionals do more, everyday:

• Volts AC/DC
• Swivel clamp
• Magnetic strap
• Dual display
• Temperature F/C
• Capacitance
• Duty cycle %
• 400 amps AC
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode test
• Hold
• Clamp probe holder
• Low battery indicator
• Lead storage

Includes

• SC620 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• ASA2 Short Alligator Lead Extensions
• Velcro Strap
• 9V Battery
• ANC7 Padded Case

380941 200A AC/DC Mini Clamp Meter by Extech

Features

• Three models provide high Accuracy and Resolution
• Large 4000 count LCD display with full function indication
• Fast 40 segment analog bargraph
• One touch "Auto Zero" for DCA measurements eliminates the need to turn a knob to zero adjust
• Measure current draw when conducting energy usage audits
• Data hold, Max/Min recall display
• 0.9" (23mm) clamp jaw opening
• Overload protection to 400A DC
• True RMS models recommended for measurements where distortion may otherwise cause inaccuracies
• Optional 3-prong AC Line Separator enables safe and easy measurements on power cables with molded plugs (splits hot conductor from neutral and ground)

SC220 Compact Clamp Meter by Fieldpiece

The Compact Clamp Meter, model SC220, incorporates a lot of big meter functions into a compact, easy to use design. While it's not exactly an all-in-one multimeter, this auto ranging digital multimeter is an affordable meter for the HVACR electrical testing HVACR professionals use everyday. Along with standard multimeter ranges, we designed the SC220 to include microamps DC for flame rectification. Add to that, we designed it with built-in non-contact voltage and a continuity beeper to give you a powerful HVACR meter that's under 8-inches tall. Makes a great backup or a solid performer for everyday testing.

Like all of our test instruments, the main benefit of the SC220 is that it was designed specifically for HVACR field service. It's rugged, has built-in safety features and includes most of the ranges you need for everyday testing. Some of the highlights include:

• Volts AC/DC
• 400 Amps AC
• Microamps DC
• Non contact voltage indicator
• 40 Mega ohm with 0.01 resolution
• Continuity
• Diode test
• Hold button
• Low battery indicator

Includes

• SC220 Compact Meter
• ADLS2 Deluxe Lead Set with Gold Plated Tips and Removable Sheath
• ANC4 Padded Case
• 9 Volt Battery

SC420 Essential Clamp Meter by Fieldpiece

The SC420 is an essential meter for HVACR professionals. It's an auto or manual ranging clamp meter that includes the electrical ranges students and technicians use for most HVACR work, plus temperature, capacitance and duty cycle - all for a great price. It also has several safety features like a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder on the clamp, and MAX hold so you can concentrate on the test point, hook up, and see the results after you've disconnected.

• Volts AC/DC
• Duty cycle %
• 400 Amps AC
• Dual display
• Extreme temperature tolerances
• Capacitance
• Microamps DC
• Frequency via leads and clamp
• Non-contact voltage
• 50 Mega Ohm with 0.1 resolution
• Continuity
• Diode Test
• Hold
• Test-lead holder
• Low battery indicator
• Rugged casing
• Voltage and amperage readings at the same time

Includes

• SC420 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• Velcro Strap
• 9V Battery
• ANC12 Padded Case

MA120 200A AC/DC Mini Clamp Meter + Voltage Detector by Extech

Features

• Measures AC/DC Current and Frequency
• Data Hold and Zero function
• 0.7" (18mm) jaw opening; 300MCM cable size
• Built-in AC non-contact Voltage (NCV) detector (120/240VAC, 50/60Hz)
• LCD backlit display
• Built-in white LED flashlight
• Auto Power Off
• Complete with two AAA batteries and soft case

AM300 300A AC Analog Clamp Meter with NIST by Extech

Features

• Single function/range switch for easy one-handed operation
• Jaw opens to 1.5" (38mm)
• AC/DC Voltage and Resistance measurement
• Pointer Lock function freezes the reading
• Zero adjust
• Complete with test leads, 1.5V battery, and carrying case

Applications

• Utility Company maintenance and installation
• Plant Maintenance
• Electrical installation and repair
• Automotive repair and testing
• Appliance insulation testing
• HVAC troubleshooting

380950-NIST 80A Mini AC/DC Clamp Meter with NIST by Extech

Designed for high resolution current measurements in hard to reach locations. This mini-clamp performs AC and DC low current tests where typical clamps cannot go.

Features

• 4000 count LCD display
• 4A range with 1mA resolution for accurate low current measurements
• Jaw opens to 0.5" (12.7mm)
• AC/DC Voltage, Resistance, Frequency, Capacitance, and Duty Cycle
• Diode Test/Continuity Beeper
• Data Hold
• Complete with test leads, two 1.5V AAA batteries, and carrying case

SC240 Compact Clamp Meter with Temperature by Fieldpiece

The SC240 Compact Clamp Meter with Temperature packs a big punch in a compact meter. With features that rival many full-sized clamp meters, this auto ranging digital multimeter packs a ton of functions into a compact, easy to handle shape. It includes temperature in both Fahrenheit and Celsius, capacitance as well as non-contact voltage indicators. It also packs in most of the other HVACR ranges you use everyday. Some technicians use the SC240 as their everyday DMM, others as a back-up or second meter to get more testing done in less time. This compact HVACR clamp meter was deigned to make your job easier, safer, and faster no matter where you choose to rank it in your bag.

• Volts AC/DC
• 400 Amps AC
• Temperature F/C
• Capacitance
• Non-Contact Voltage
• 40 Mega Ohm with 0.01 Resolution
• Continuity
• Diode Test
• Max/Min/Hold
• Low Battery Indicator
• Rugged display

Includes

• SC240 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• Velcro Strap
• 9V Battery
• ANC1 Padded Case

WD-20250-57 1000A AC Clamp Meter with NIST-Traceable Calibration by Digi-Sense

Reliably detect and measure the power quality running to your equipment to quickly find hidden issues. These meters feature durable, double-molded plastic housing and jaw.

Features

• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Large backlit display provides easy-to-read measurements
• Autorange feature automatically selects optimal measuring range
• Low-battery indicator alert for when it s time for a fresh battery

400 A AC Clamp Meters (20250-55, -56)

• Diode testing, continuity check with a buzzer sound at 50 ?, and a measurement rate of 2 readings per second
• Built-in noncontact AC voltage detector
• CAT III-1000 V safety rating
• Improved measurement ease with data Hold function
• Model 20250-56 also measures DC current and capacitance, and features a peak Hold function that captures the peak AC current or voltage reading

1000 A AC Clamp Meters (20250-57, -58)

• Improve accuracy with True RMS check for load current and AC voltage, as well as continuity of contacts, fuses, circuits, and switches
• See power variations on analog bar graph display
• CAT III-600 V safety rating
• Model 20250-58 also features DC current measurement and True RMS for more accurate current readings

Applications

• Electrical
• Industrial
• Laboratory
• HVAC
• R & D

Includes

Test leads, temperature probe (models 20250-55, -56, and -58), carrying case, 9 V battery, and NIST-traceable calibration report supplied by InnoCal.

WD-20250-58 1000A AC/DC Clamp Meter with NIST-Traceable Calibration by Digi-Sense

Reliably detect and measure the power quality running to your equipment to quickly find hidden issues. These meters feature durable, double-molded plastic housing and jaw.

Features

• Reliable measurements, guaranteed! Precalibrated to NIST-traceable standards
• Large backlit display provides easy-to-read measurements
• Autorange feature automatically selects optimal measuring range
• Low-battery indicator alert for when it s time for a fresh battery

400 A AC Clamp Meters (20250-55, -56)

• Diode testing, continuity check with a buzzer sound at 50 ?, and a measurement rate of 2 readings per second
• Built-in noncontact AC voltage detector
• CAT III-1000 V safety rating
• Improved measurement ease with data Hold function
• Model 20250-56 also measures DC current and capacitance, and features a peak Hold function that captures the peak AC current or voltage reading

1000 A AC Clamp Meters (20250-57, -58)

• Improve accuracy with True RMS check for load current and AC voltage, as well as continuity of contacts, fuses, circuits, and switches
• See power variations on analog bar graph display
• CAT III-600 V safety rating
• Model 20250-58 also features DC current measurement and True RMS for more accurate current readings

Applications

• Electrical
• Industrial
• Laboratory
• HVAC
• R & D

Includes

Test leads, temperature probe (models 20250-55, -56, and -58), carrying case, 9 V battery, and NIST-traceable calibration report supplied by InnoCal.

38389 600A True RMS AC/DC Clamp Meter with NIST by Extech

Features

• Maximum AC current of 600A
• Measure AC Current, AC/DC Voltage and Resistance
• Data Hold "freezes" data in display
• 1.25" (33mm) circular jaw opening for large cables (350MCM)
• Audible Continuity beeper
• Auto power off
• Complete with test leads, 9V battery, and belt holster
• True RMS voltage and current measurements
• AC/DC current to 600A
• Large 4000 count LCD display
• Capacitance measurements
• Temperature measurements
• Includes temperature probe (-58 to 482°F/-50 to 250°C)

EX710 800A AC Clamp Meter with NIST by Extech

Features

• Models with AC/DC Current, AC/DC Voltage, Resistance, Frequency, Capacitance, Temperature, Diode, and Continuity
• True RMS Models (EX720, EX730)
• Peak function captures inrush currents and voltage transients
• Data Hold "freezes" data in display
• 1.2" (30mm) circular jaw opening for large cables (500MCM)
• Auto power off
• Complete with test leads, 9V battery, general purpose Type K bead wire probe and belt holster
• AC Current

Includes

• Test leads
• 9V battery
• Belt holster
• General purpose Type K bead wire probe (EX720/EX730 only)

MA1500 1500A True RMS AC/DC Clamp Meter + NCV by Extech

Features

• True RMS for accurate readings of non-sinusoidal waveforms
• Built-in non-contact Voltage detector with LED alert
• 2.0" (52mm) jaw size for conductors up to 500MCM
• Dual 40,000/4000 count, backlit LCD display
• Includes Multimeter functions
• Inrush function captures transients during motor startups
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold, Peak Hold, MIN/MAX, and Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, 9V battery and carrying case

MA410 400A AC Clamp Meter + NCV with NIST by Extech

Features

• Built-in non-contact Voltage detector with LED alert
• 4000 count, backlit LCD display
• 1.2" (30mm) jaw size for conductors up to 350MCM
• Includes Multimeter functions AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold
• Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, two AAA batteries, and carrying case

MA410T 400A AC True RMS Clamp Meter + NCV by Extech

Features

• Built-in non-contact Voltage detector with LED alert
• 4000 count, backlit LCD display
• True RMS for accurate readings of non-sinusoidal waveforms
• 1.2" (30mm) jaw size for conductors up to 350MCM
• Includes Multimeter functions AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment
• Data Hold
• Auto Power Off
• Complete with test leads, general purpose Type K bead wire temperature probe, two AAA batteries, and carrying case

MA440 400A AC Clamp Meter with NCV by Extech

Three models to choose from, with or without True RMS and AC or AC/DC Current functions. Choose True RMS model for accurate readings of non-sinusoidal waveforms, model with DC Current function for automotive applications, or model with Type K function when applications require Temperature measurements. The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs!

Features

• 1.2" (30mm) jaw size fit conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch; MA443 and MA445 also includes a general purpose Type K Temperature probe
• AC Current

MA440 400A AC Clamp Meter with NIST by Extech

Three models to choose from, with or without True RMS and AC or AC/DC Current functions. Choose True RMS model for accurate readings of non-sinusoidal waveforms, model with DC Current function for automotive applications, or model with Type K function when applications require Temperature measurements. The MA440 Series meters are fully loaded with multimeter functions and built-in non-contact voltage (NCV) detector to meet your application needs!

Features

• 1.2" (30mm) jaw size fit conductors up to 500MCM
• Built-in Non-Contact Voltage (NCV) detector
• MultiMeter functions include Resistance, Capacitance and Frequency
• Relative Mode for Capacitance
• Data Hold freezes reading on display
• Auto Power Off with disable and Low Battery indication
• Large backlit LCD display
• Complete with test leads, three AAA batteries, and pouch; MA443 and MA445 also includes a general purpose Type K Temperature probe
• AC Current

SC260 Compact Clamp Meter with True RMS by Fieldpiece

The SC260 Compact Clamp Meter is a great meter for testing HVACR electrical measurements. It includes True RMS measurements so you can test variable frequency drives more accurately, along with temperature in both Fahrenheit and Celsius. The SC260 also features a backlight display for reading measurements in poorly lit places, and a sturdy swivel magnet for hands free measurements.

The SC260 helps you save time with the new Auto Select mode. Simply set the dial and connect your leads, the clamp meter will automatically select the appropriate measurement depending on what it detects. While the high temperature resistance allows you to move from a cold freezer to a hot rooftop and get accurate temperature measurements that lesser thermometers cannot measure properly.

• Volts AC/DC
• True RMS
• 400 Amps AC
• Temperature F/C
• Capacitance
• Non-contact voltage
• 40 Mega Ohm with 0.01 resolution
• Continuity
• Diode Test
• Max/Min/Hold
• LCD Backlight
• Low Battery Indicator

Includes

• SC260 Meter
• ADLS2 Deluxe Silicone Lead Set with Gold Plated Tips and Removable Sheath
• ATB1 Wrap Tab Type K Thermocouple
• Velcro Strap
• 9V Battery
• ANC1 Padded Case

380926 2000A True RMS AC/DC Clamp Meter by Extech

Features

• Full function autoranging DMM includes AC/DC Voltage and Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode and Continuity
• Current measurements to 2000A through the clamp and 400mA via test leads
• Large 4000 count backlit display for high resolution and easy viewing in dimly lit areas
• Basic DCV accuracy of 1% with 0.1mV resolution and current resolution to 0.1μA
• Rugged 2" (50mm) jaws accomodate one 2000MCM or two 500MCM cables
• Features include DCA push button zero, Relative measurements and Data Hold
• Heavy duty ABS case with built-in stand and thumb control function switch
• Complete with test leads and 9V battery

380926 2000A True RMS AC/DC Clamp Meter with NIST by Extech

Features

• Full function autoranging DMM includes AC/DC Voltage and Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode and Continuity
• Current measurements to 2000A through the clamp and 400mA via test leads
• Large 4000 count backlit display for high resolution and easy viewing in dimly lit areas
• Basic DCV accuracy of 1% with 0.1mV resolution and current resolution to 0.1μA
• Rugged 2" (50mm) jaws accomodate one 2000MCM or two 500MCM cables
• Features include DCA push button zero, Relative measurements and Data Hold
• Heavy duty ABS case with built-in stand and thumb control function switch
• Complete with test leads and 9V battery

380941 200A AC/DC Mini Clamp Meter with NIST by Extech

Features

• Three models provide high Accuracy and Resolution
• Large 4000 count LCD display with full function indication
• Fast 40 segment analog bargraph
• One touch "Auto Zero" for DCA measurements eliminates the need to turn a knob to zero adjust
• Measure current draw when conducting energy usage audits
• Data hold, Max/Min recall display
• 0.9" (23mm) clamp jaw opening
• Overload protection to 400A DC
• True RMS models recommended for measurements where distortion may otherwise cause inaccuracies
• Optional 3-prong AC Line Separator enables safe and easy measurements on power cables with molded plugs (splits hot conductor from neutral and ground)