Quick Method to Test Multimeter Fuse Integrity
For engineers who often deal with electricity, safety is always the top priority. And a multimeter is an essential testing tool for electricians, so the safety of using a multimeter is particularly important for frontline engineers. As we all know, a multimeter has a built-in fuse in the current mode to ensure that when testing the current, the multimeter is connected in series to the circuit. Once the circuit current exceeds the standard or there is a dangerous current, the fuse can be disconnected in time to ensure the safety of the instrument, especially the operator.
How to choose the appropriate fuse?
It is particularly important to choose a suitable and safe fuse to ensure the safety of the instrument and user. Fluke multimeters are equipped with high-energy, ultra high speed response original fuses, ensuring that in the event of an accident, the instrument can quickly shield potential hazards. Fluke original fuses have always been designed according to strict requirements that meet or even exceed international safety standards.
Advantages of Fluke fuses:
1. Rated voltage 1000V, 11A fuse breaking capacity 20KA. The original high-energy fuse can not only melt under continuous rated current, but also immediately melt under high instantaneous current, ensuring fast response and safety
2. Ceramic tube packaging, strong arc extinguishing ability, high reliability. The specially designed original high-energy fuse is filled with sand inside. When energy and temperature that could cause an explosion are generated, the sand melts, absorbs the energy, and isolates the air needed for explosion and combustion
The hazards of using the wrong fuse:
Instrument burnt out; The probe melts; Personnel casualties.
I would rather not install a fuse than a regular one!
How to quickly detect the quality of fuses?
Set the multimeter to the "Ω" position, use only one probe, insert the plug into the Ω socket, and insert the pen tip into the "A" and "mA/uA" sockets respectively. If there is a reading, it indicates that the fuse is good (the "A" socket reading should be 0-0.5 Ω, and the "mA/uA" socket reading should be around 10K Ω). If it displays "OL", it indicates that the fuse is burnt out.
