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Package Size: 11.5 x 7.5 x 3 inches
The Triplett 9045 digital multimeter (also known as a multitester) is a true RMS, auto-ranging meter for measuring voltage, current, resistance, capacitance, frequency, duty cycles, and temperature in electrical testing applications. The meter comes with a set of detachable test leads. The included bead-type probe connects to the meter using the included adapter to measure surface temperature. The meter measures duty cycles to 99.9%, indicating the percent of time a circuit is on. An audible continuity sensor confirms a circuit conducts electricity, and a diode test detects proper functioning of a circuit’s diodes. The LCD shows readings in digits and on a 61-segment bar graph and is backlit for readability in low light. The meter's internal memory stores maximum and minimum values for a session for future recall. The relative mode stores a reading in memory to use as a zero point for subsequent readings so that multiple readings can be compared. The hold function keeps a reading on the LCD, even after the meter is disconnected. The unit automatically turns off after 15 to 20 minutes of nonuse to conserve battery life, and a low-battery indicator signals when the meter's batteries need to be replaced.
This true RMS (root mean square) meter provides accurate readings when measuring linear loads, such as standard induction motors and incandescent lights, where the current or voltage has an undistorted waveform, or nonlinear loads, such as electronic devices or motors, where the current or voltage has a distorted waveform. When turned on, the meter is in auto-ranging mode and automatically selects the correct operating range for the property being measured. It can be switched to manual-ranging mode, which allows the operator to choose the appropriate operating range. The LCD has a 6,000-count resolution, meaning it can display up to 5,999 units (4 digits) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category II installations up to 1,000V, which covers large household appliances and devices connected to a fixed power supply (such as refrigerators and air conditioners), and Category III installations up 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).
|Maximum alternating current (AC) voltage input||750 volts (V)|
|Maximum direct current (DC) voltage input||1,000V|
|Maximum resistance detected||60 megaohms|
|Maximum AC current input||10 amp|
|Maximum DC current input||10 amp|
|Maximum frequency detected||10 megahertz (MHz)|
|Maximum capacitance detected||4,000 microfarads (μF)|
|Temperature measurement range||-50 to 400 degrees Celsius/-58 to 752 degrees Fahrenheit|
|Power supply||9V battery (one, installed)|
|Standards met||European Conformity (CE); International Electrotechnical Commission (IEC) safety standard 61010-1 and 61326|
|Dimensions||7.0 x 3.7 x 1.5 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.
Multitesters (also called multimeters) are electrical test meters that measure multiple properties of an electrical circuit, such as current, voltage, resistance, capacitance, and continuity. Available in handheld or benchtop models, multitesters diagnose electrical problems in electrical equipment, wiring, and power supplies. A variety of probes, clamps, and leads can be used to connect the meter to a circuit or device. Multitesters 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 the International Electrotechnical Commission's (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.
Triplett manufactures test equipment for electricians, home security installers, and telecommunications technicians. The company, founded in 1904, is headquartered in Manchester, NH.
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