Megger MPU690 Proving Unit
Ensure the reliability and safety of your voltage detection tools with the Megger MPU690 Proving Unit. Designed for professionals who demand precision, this portable, battery-operated device provides a dependable means to verify the accurate functioning of two-pole voltage detectors. With safety as the top priority, the Megger MPU690 is an essential addition to your electrical testing kit.
Key Features of the Megger MPU690 Proving Unit
- Five Stepped Nominal Output Voltages: The MPU690 generates a range of voltages from 50 to 690 volts, allowing you to verify a variety of voltage testers effectively. Each output voltage level is clearly indicated by an LED, making it easy to determine the setting at a glance.
- Automatic Operation: The unit features a seamless start-up process, automatically powering on when the voltage tester probes are inserted into the output terminals. This means you can quickly and effectively check your devices without tedious setup processes.
- High Output Power Suitable for Test Lamps: The robust power rating of the MPU690 ensures that even the most demanding voltage indicators, including those that rely on lamps, can be adequately tested.
- Extended Battery Life: Designed for long-lasting performance, the MPU690 helps you avoid the inconvenience of frequent battery replacements, ensuring that it remains ready for use when you need it most.
- Magnetic Base: The sturdy magnetic base offers hands-free operation, allowing you to work efficiently in various environments without needing an additional workspace.
- Rugged Case: Built to withstand the rigors of everyday use, the MPU690 features a durable casing that ensures longevity, enhancing your investment in quality testing equipment.
Applications of the Megger MPU690 Proving Unit
The Megger MPU690 is particularly effective for confirming the proper operation of voltage testers before use. While many two-pole voltage testers come equipped with a self-testing function, this feature may not fully guarantee accurate measurements, especially at voltages exceeding 50 volts. The MPU690 ensures that your voltage tester is not only functioning but is also capable of safely indicating voltages.
Upon activation, the MPU690 starts by generating the maximum output of 690 volts, gradually ramping down through the available stepping voltages, providing a thorough testing experience. This comprehensive voltage simulation closely mimics conditions similar to AC mains supply, ensuring your testers are ready for real-world applications.
Whether you are in electrical maintenance, construction, or any field requiring precise voltage testing, the Megger MPU690 Proving Unit brings practicality and safety to your operations.
Please Note: The MPU690 is not recommended for use with multimeters.
Why Choose the Megger MPU690 Proving Unit?
Investing in the Megger MPU690 not only increases your testing capabilities but also elevates your safety standards on the job. Its combination of user-friendly features and durability empowers you to work efficiently and confidently. Don’t leave the reliability of your voltage testing equipment to chance—make the smart choice today with the Megger MPU690 Proving Unit.
Megger TPT420 Voltage Tester for Electricians & Solar Industry
Overview
Introducing the Megger TPT420 Voltage Tester, the essential tool for electricians and electrical engineers. Specially designed to facilitate accurate voltage and continuity testing in a variety of applications, including the thriving solar industry, this instrument meets the highest safety standards. The TPT420 offers reliable performance even when the batteries are exhausted, ensuring continuous operation when you need it most.
Key Features
- CAT IV/1000 V Safety Rating
- IP64 Rated for water and dust resistance
- Voltage Measurement:
- 12 to 1000 V AC
- 12 to 1500 V DC for solar industry needs
- Continuity Test Function with visual and acoustic indications
- Operates without Batteries for voltage indication
- Single-Pole Voltage Test
- Phase Rotation Indication
- Integrated Torch Light for low-light conditions
Reliable Voltage and Continuity Testing
The Megger TPT420 is engineered to handle a broad range of voltage situations, measuring from 12 to 1000 V AC and up to 1500 V DC.
This makes it an invaluable tool in the solar industry and other applications requiring high voltage measurements. Additionally, the continuity function spans 0 to 500 kΩ, accompanied by an acoustic sounder for added ease of use and safety.
Even when operating in circuits protected by RCDs, RCBOs, and Safety Breakers, the TPT420 works below the tripping threshold, preventing unintentional disconnection during testing.
The simplified phase rotation indication feature eliminates the need to cross test probes, making the process more straightforward and efficient.
Built for Durability and Safety
Featuring a robust IP64-rated housing, the TPT420 is designed to withstand challenging environments. Its bright, integrated LED torch ensures you can work in poorly lit areas with ease.
The device is safety rated at CAT IV 1000 V and conforms to the latest IEC/EN 61243-3 and DIN VDE 0682-401 standards. For added compliance and safety, the unit includes GS38 probe tip shrouds as standard and comes with a protective storage and carry pouch.
Versatile Applications
The Megger TPT420 isn’t just limited to electrical installations. Its versatile design allows use in automotive, fire alarm systems, and solar/PV systems.
Whether you’re working in residential, commercial, or industrial settings, the TPT420 provides the reliability and accuracy you need.
Why Choose the Megger TPT420?
Opt for the Megger TPT420 Voltage Tester to ensure you’re equipped with one of the most reliable tools in the market. Its dual LED and LCD displays, combined with its wide range of features and high safety standards, make it an invaluable asset for any professional electrician or engineer.
Experience peace of mind knowing that this instrument will alert you to dangerous test voltages, even when battery power is depleted.


















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