Multimeters

If you're looking for a versatile clamp-on amp meter for electrical motor maintenance and HVAC testing in high voltage industrial environments, the AMP-330 Clamp Meter is the best clamp meter for the job. It is the best clamp meter in the AMP-300 Series line including all the features of the AMP-320 plus a work light, peak hold, CAT IV 600 V, CAT III 1000 V safety rating and large 2.0 inch (51 mm) jaw. HVAC technicians will find the temperature and capacitance measurements they need plus DC Microamps for testing flame sensors. It also had core motor testing capabilities such as motor rotation, 3-phase sequence testing, and inrush current measurement for motor start-up monitoring. The low pass filter allows you to accurately measure current and voltage on variable frequency drives. The Amp-Tip function allows for precise measurement of current down to the tenth of an Amp, enabling accurate current measurement of both large and small diameter wires. It also offers a full range of standard multimeter features, including AC/DC current, AC/DC voltage, frequency, True-RMS, non-contact voltage detection, resistance, and continuity.

Amprobe's ACD-23SW Swivel™ Clamp Meter features a patented 180-degree rotating head clamp design allowing easy views of measurements in tight or inconvenient to reach places.

Simply rotate the body of the clamp meter to get an unobstructed view of the LCD display. Feature rich, measuring AC/DC currents, voltage, resistance and capacitance as well as CAT III 600 V safety ratings make this clamp on meter something you should swivel to see.

This rugged and reliable clamp meter is designed for professional electrician and technician that need a fast responding, feature packed, go-to clamp meter. The ACD-14-PRO offers a complete range of measuring functions for both HVAC and electrical applications. This modern Clamp Meter features a large low-light backlit LCD dual display for dimly lit areas and is capable of simultaneously displaying voltage and amperage - to perform voltage drop tests. The ACD-14-PRO offers TRMS, low pass filter, in-rush current, frequency, resistance, capacitance, temperature, DC micro-Amps, Amp-tip and non-contact voltage detection.

The Amp-Tip function allows for precise measurement of current down to the tenth of an Amp, for reliable, accurate current measurement of both large and small diameter wires. The low pass filter allows measurement of current and voltage on variable frequency drives (motors with speed controlled by frequency). True-RMS ensures accurate voltage measurements in noisy environments. Designed with a rubber over modeled enclosure for extra durability and safety rated to CAT III 600 V.

WISE-M500 series power meters are easy to use, cost effective smart meters, that provide high accuracy measurement, display and communication (Modbus RTU). Characterized by their compact size, and flexible connection mode. WISE-M500 series meters are ideal for power monitoring operations and equipment preventative maintenance.

For a multimeter, the Plugable USB-C Amperage and Voltage Tester (USBC-VAMETER) manages to fit a lot of useful features into a sturdy little package. About the size of a USB flash drive, this bidirectional USB tester allows for full USB data passthrough while it monitors USB-C power and charging, measures voltage and amperage, even visualizes the directional flow of electrical current-all in real time.

Connect the VAMETER inline between a USB-C host system like a laptop, tablet, or cell phone and a charger to use it as a USB voltage meter or power consumption meter. An updated OLED screen means a brighter and easier-to-read display in any lighting conditions, and a new orientation button lets you flip the screen with a click.

How it works:

This meter is a transparent interposer-it should not interfere with the USB data (1.1 through 3.1 Gen 2), USB-C Alternate Mode video, or USB-C charging. The meter can be used in-line with USB-C docking stations, chargers, and other USB-C accessories. The meter is able to achieve this without interfering with normal USB-C operation as it only taps into the power (VBUS) and ground connections to measure values and leaves the data lines untouched.

Common uses:

• Connecting between a USB-C host system like a laptop, tablet, or cell phone and a charger to monitor charge information.
• Connecting between a USB-C host and docking station to monitor charge information.
• Connecting between a USB-C host system and a USB-C bus powered accessory like an external hard drive, flash drive, etc to measure power draw of a device.
• Testing for USB-C port spec compliance such as a VBUS hot condition, voltage drop under load, etc

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