5 Best inrush Current Meter
An inrush current meter is a device that measures the current drawn by an electrical circuit or device when it is first turned on. Inrush current is the initial surge of electrical current that flows into a device’s circuits when it is first powered on, and it can be significantly higher than the device’s normal operating current.
Inrush current can cause problems in electrical systems, including tripping circuit breakers, damaging components, and even causing fires. Therefore, it is important to measure and monitor inrush current to ensure the safe and reliable operation of electrical equipment.
An inrush current meter typically uses a current transformer to measure the current flowing through a circuit. The device can be set up to trigger an alarm or shut off power if the inrush current exceeds a predetermined level, helping to prevent damage to the equipment or the surrounding electrical system.
In addition to measuring inrush current, some inrush current meters can also provide data on the duration and waveform of the inrush current, which can be helpful in diagnosing problems or identifying issues with the electrical system.
Overall, an inrush current meter is a useful tool for maintaining the safety and reliability of electrical systems, particularly those that use equipment with high starting currents, such as motors, transformers, and power supplies.
Buying Guide:
- Accuracy: The accuracy of the inrush current meter is crucial, especially for applications where precise measurements are required. Look for devices that have a high level of accuracy and that can provide reliable measurements even in challenging conditions.
- Range: The range of the inrush current meter is also important, as it will determine the maximum current that the device can measure. Make sure that the range of the meter is suitable for the electrical system or equipment you intend to use it with.
- Display: The display of the inrush current meter should be clear and easy to read, even in low-light conditions. Some devices may also have a backlight or other features to improve visibility.
- Durability: Consider the durability of the device, especially if it will be used in harsh or demanding environments. Look for models with sturdy construction and that are designed to withstand vibration, shock, and other hazards.
- Ease of use: The inrush current meter should be easy to use and operate, even for those who are not familiar with electrical testing equipment. Look for models that have intuitive controls and a user-friendly interface.
- Additional features: Some inrush current meters may have additional features, such as data logging, waveform analysis, or the ability to connect to a computer or other devices. Consider whether these features are important to your specific application.
- Price: Finally, consider the price of the inrush current meter. Look for a device that offers a good balance of features, accuracy, and reliability within your budget.
Product Comparison Table
| Feature | Fluke 376 FC | Hioki 3280-20F | Amprobe ACD-51NAV | Klein Tools CL800 | Extech 380940 |
|---|---|---|---|---|---|
| AC/DC Measurement | Yes | Yes | Yes | Yes | Yes |
| True RMS Measurement | Yes | Yes | Yes | Yes | Yes |
| Clamp Jaw Opening | 34 mm | 33 mm | 42 mm | 32 mm | 30 mm |
| AC Current Range | 600 A | 1000 A | 600 A | 600 A | 1000 A |
| DC Current Range | 999.9 A | – | – | – | 1000 A |
| AC Voltage Range | 1000 V | 600 V | 600 V | 600 V | 750 V |
| DC Voltage Range | 1000 V | – | – | – | 1000 V |
| Resistance Range | 60 kΩ | 1000 Ω | 60 kΩ | 60 kΩ | 600 Ω |
| Frequency Range | 500 Hz | 1 kHz | 1 kHz | 1 kHz | 1 kHz |
| Continuity Test | Yes | Yes | Yes | Yes | Yes |
| Diode Test | Yes | Yes | Yes | Yes | Yes |
| Temperature Measurement (IR Thermometer) | Yes | – | – | – | Yes |
| Backlit Display | Yes | Yes | Yes | Yes | Yes |
| Bluetooth Connectivity | Yes | – | – | – | – |
| CAT Rating | CAT III 1000 V | CAT III 600 V | CAT III 600 V | CAT IV 600 V | CAT III 600 V |
Fluke 376 FC True-RMS AC/DC Clamp Meter with iFlex
The Fluke 376 FC True-RMS AC/DC Clamp Meter with iFlex is a versatile electrical testing device designed to measure both AC and DC electrical currents accurately. It features a flexible current probe, known as the iFlex, that can measure up to 2500 A AC and 1000 A DC.
The Fluke 376 FC is a True-RMS meter, which means it can accurately measure non-sinusoidal waveforms and deliver more precise measurements compared to traditional average-responding meters. It also features a large, easy-to-read backlit display, which allows you to see measurements in low light conditions.
This clamp meter is designed with wireless connectivity, enabling you to connect to your smartphone or tablet via Bluetooth to transfer data or remotely monitor measurements. Additionally, the Fluke 376 FC comes with the Fluke Connect app, which provides you with the ability to store and share measurement data, create work orders, and collaborate with other team members in real-time.
Overall, the Fluke 376 FC is a reliable and versatile electrical testing device, ideal for professional electricians, engineers, and technicians who require a robust and accurate tool for measuring both AC and DC currents.
Hioki 3280-20F AC Clamp Meter
The Hioki 3280-20F AC Clamp Meter is a reliable and versatile electrical testing device designed to measure AC currents up to 1000 A with high accuracy. It features a compact and ergonomic design, making it easy to handle and operate in tight spaces.
The Hioki 3280-20F is equipped with a large, easy-to-read digital display that shows measurement results in real-time, allowing you to quickly and accurately measure electrical currents. It also features a Data Hold function, which allows you to freeze the display at a particular value, making it easier to take readings.
This clamp meter is designed with safety in mind, with a robust, durable design that protects it against accidental drops and impacts. It also features a built-in non-contact voltage detector, allowing you to detect the presence of live electrical circuits without making direct contact with them.
Overall, the Hioki 3280-20F AC Clamp Meter is a reliable and cost-effective electrical testing device ideal for professional electricians, technicians, and DIY enthusiasts who require a versatile and easy-to-use tool for measuring AC currents.
Amprobe ACD-51NAV Clamp Meter
The Amprobe ACD-51NAV Clamp Meter is a versatile and accurate electrical testing device designed to measure AC/DC current up to 600 A with high precision. It features a large, easy-to-read backlit digital display that shows measurement results in real-time, allowing you to quickly and accurately measure electrical currents.
The ACD-51NAV also comes equipped with a number of additional features that make it a versatile tool for electrical testing, including a built-in non-contact voltage detector and a continuity buzzer for easy and quick testing of circuit continuity. It also has a hold function that allows you to freeze the display at a particular value, making it easier to take readings.
This clamp meter is designed with safety in mind, with a rugged, ergonomic design that is easy to handle and operate even in difficult working conditions. It also features a low battery indicator and automatic shut-off function to help conserve battery life.
Overall, the Amprobe ACD-51NAV Clamp Meter is a reliable and accurate electrical testing device ideal for professional electricians, technicians, and DIY enthusiasts who require a versatile and easy-to-use tool for measuring both AC and DC currents, as well as detecting voltage and continuity in electrical circuits.
Klein Tools CL800 Digital Clamp Meter
The Klein Tools CL800 Digital Clamp Meter is a versatile and durable electrical testing device designed to measure AC/DC current up to 600 A with high precision. It features a large, easy-to-read backlit digital display that shows measurement results in real-time, allowing you to quickly and accurately measure electrical currents.
The CL800 also comes equipped with a number of additional features that make it a versatile tool for electrical testing, including a built-in non-contact voltage detector, a low impedance mode for identifying ghost voltage, and a frequency counter for testing variable frequency drives and HVAC equipment. It also has a data hold function that allows you to freeze the display at a particular value, making it easier to take readings.
This clamp meter is designed with safety in mind, with a rugged, ergonomic design that is easy to handle and operate even in difficult working conditions. It also features a low battery indicator and automatic shut-off function to help conserve battery life.
The CL800 also comes with a carrying case, test leads, and batteries, making it a complete package that is ready to use right out of the box.
Overall, the Klein Tools CL800 Digital Clamp Meter is a reliable and accurate electrical testing device ideal for professional electricians, technicians, and DIY enthusiasts who require a versatile and easy-to-use tool for measuring both AC and DC currents, as well as detecting voltage and frequency in electrical circuits.
Extech 380940 True RMS AC/DC Clamp Meter with IR Thermometer
The Extech 380940 True RMS AC/DC Clamp Meter with IR Thermometer is a versatile electrical testing tool that can measure both AC and DC electrical currents, as well as temperature using its built-in infrared (IR) thermometer.
This clamp meter can measure AC current up to 600 amps and DC current up to 1000 amps, making it suitable for a wide range of electrical applications. It also features a true RMS measurement function, which allows it to accurately measure distorted waveforms, such as those found in variable speed drives and other non-linear loads.
The IR thermometer on this clamp meter can measure temperatures from -4 to 518 degrees Fahrenheit (-20 to 270 degrees Celsius), making it useful for detecting hot spots in electrical equipment or for measuring the temperature of air vents, pipes, and other surfaces.
Other features of the Extech 380940 True RMS AC/DC Clamp Meter include a large backlit display for easy reading of measurements, a data hold function to freeze the displayed value, and a peak hold function to capture transient events. The clamp meter also has a low battery indicator and an auto power off function to conserve battery life.
Overall, the Extech 380940 True RMS AC/DC Clamp Meter with IR Thermometer is a reliable and useful tool for electricians, HVAC technicians, and other professionals who need to measure electrical currents and temperature in their work.