TPI 275 Clamp-On Tester with True RMS Digital Multimeter and 11000 Count Display, 110 Megaohms Resistance, 600V AC/DC Voltage, 400A AC, 1100 Microamperes DC Current

Price: $149.95
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Manufacturer Description

The TPI 275 digital clamp meter is a true RMS sensing, manual- and auto-ranging multimeter for measuring current, voltage, resistance, capacitance, and frequency in electrical testing applications. It has a clamp that measures AC and DC current to 400 amp. The clamp has two jaws that can close around an electrical conductor up to 35mm (1.37") in diameter to measure current without touching or interrupting the circuit. A set of test leads is included for measuring DC current to 1,100 microamperes, AC and DC voltage to 600V, resistance to 110 megohms, voltage frequency to 110mHz (megahertz), and capacitance to 110,000 microfarads. The meter comes with a K-type thermocouple probe for measuring temperature to 1,000 degrees F. Its relative function allows a measurement to be set as a reference value, and it displays the subsequent measurements as positive or negative deviations from that value. The peak hold function records the maximum measurement of a current surge. The maximum/minimum function records the highest and lowest readings in a session to track a sudden increase or decrease in readings. To aid documentation of readings and capture readings in tight spaces, the data hold function keeps the most recent reading on the display after disconnecting from the circuit. An audible continuity sensor confirms that the circuit conducts electricity, and a diode check detects whether a circuit's diodes are working properly. The meter's inrush current function analyzes the surge current at the startup of motors and other inductive loads to provide accurate, stable measurements. A non-contact voltage detector senses voltage without making contact with the circuit. The meter has a rotary switch to select the property to measure, and an 11,000-count LCD that shows readings numerically and in a 41-segment bar graph. The unit operates on a single 9V battery, and turns off automatically after 30 minutes of non-use to conserve battery life. It has a low-battery indicator that signals when the battery needs to be replaced. Clamp meters are typically used by electrical engineers to measure properties of electrical current without physically touching or disconnecting the conductor.

This true RMS (root mean square) sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform. It has two ranging modes: manual, which allows the user to select the operating range, and auto, which automatically selects the appropriate operating range. Accuracy and resolution specifications vary according to the range being measured. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is rated for CAT III installations to 600V, which covers items used with enclosed building circuit installations, such as service panel parts, branch circuits, and fixed installations that are connected directly to a building's AC power supply. The European Conformity (CE) marking indicates compliance with applicable European Union directives. The unit comes with a test lead set, a K-type temperature probe, a carrying case, and instructions.

Specifications
Maximum AC input400 amp
Maximum DC input400 amp
Maximum AC voltage input600V
Maximum DC voltage input600V
Maximum capacitance detected110,000μF
Maximum frequency detected110mHz
Maximum resistance detected110 MΩ
Installation ratingCAT III, 600V
Standards metIEC safety standard 61010; CE marking
Power supply9V battery
Weight0.8lb.
Dimensions10 x 2.5 x 1.3 inches (H x W x D)

H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Clamp meters, also called clamp-on meters, measure electrical current without cutting through wires, or touching or interrupting the electrical circuit. Available in handheld or benchtop models, clamp meters diagnose problems in electrical equipment, wiring, and power supplies. A current clamp has two jaws that fit around a conductor to take measurements. All clamp meters test for current. Some come with test leads and inputs for measuring voltage, capacitance, and resistance. They display information either in analog or digital form. Factors that influence meter choice include the electrical properties to be measured, the anticipated range of results, and the desired level of protection against transient voltages. Safety ratings are based on International Electrotechnical Commission (IEC) standards for low-voltage test equipment. IEC 61010 delineates four overvoltage installation categories. In general, a meter with a category IV rating will provide more protection against transient voltages than a meter with a lower category rating.

Test Products International (TPI) manufactures test and measurement equipment such as oscilloscopes, manometers, multimeters, and test leads. The company, founded in 1997, is headquartered in Beaverton, OR.

What's in the Box?
  • TPI 275 Clamp meter
  • Test lead set
  • K-Type temperature probe
  • 9V battery
  • Case
  • Instructions

Product Features

Digital clamp meter measures AC and DC current to 400 amp, DC current to 1,100 microamperes, AC and DC voltage to 600V, resistance to 110 megohms, frequency to 110mHz, and capacitance to 110,000 microfarads True RMS sensing meter provides accurate readings when measuring linear or non-linear loads, regardless of waveform Clamp with 35mm (1.37") jaw opening measures current without touching or interrupting the circuit Includes K-Type thermocouple probe to measure temperature Meets IEC safety standard 61010, and is rated for CAT III installations to 600V

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