In its most basic form, electrical test and tag entails introducing a voltage or current to a circuit and comparing the measured value to a target value. Each piece of electrical test equipment is intended for a specific use and confirms the math underlying a circuit.
A test technician's role is to know which piece of test equipment to employ for the work at hand, as well as to comprehend the test equipment's limitations. The most typical pieces of test equipment used in the field are discussed in this article.
Electrical test gear ought to be viewed as a wellspring of deadly electrical energy. Experts should notice generally security admonitions and follow all reasonable wellbeing safety measures to forestall contact with empowered pieces of the gear and related circuits, including the utilization of fitting Personal Protective Equipment.
We provide information about test and tag machine here in brief description which are used by technicine in testing electrical equipment.
Electrical Testers-
Electrical analyzers and meters are demonstrative instruments. They test distinctive wire associate sorts. These instruments let you decide whether the wires you are dealing with are hot. Analyzers and meters can likewise check on the off chance that an electrical gadget is working. They can show assuming a repository is wired appropriately.
Multimeter-
Otherwise called a VOM (Volt-Ohm meter), a multi-meter is a handheld gadget that joins a few estimation capacities (like voltage, current, opposition and recurrence) into a solitary unit.
Multi-meters are mostly used to investigate electrical issues in a wide exhibit of modern and family gadgets, for example, electronic hardware, engine controls, homegrown machines, power supplies, and wiring frameworks.
Megohmmeter-
Most regularly alluded to as basically a "megger", a megohmmeter is an exceptional kind of ohmmeter used to quantify the electrical obstruction of separators.
Megohmmeters are one of the most habitually utilized bits of test gear and can be utilized to quantify the protection of different kinds of device like circuit breakers, transformers, switchgear and links.
Low-Resistance Ohmmeter-
Regularly called a DLRO in the field, the low-obstruction ohmmeter is utilized for making high-accuracy opposition estimations under 1 ohm. Low-Resistance ohmmeters produce low voltage DC flows through battery power with results of up to 100A.
Low-Resistance ohmmeters are one of the most much of the time utilized bits of test gear and can be utilized to gauge the opposition of different sorts of mechanical assembly, for example, electrical switch and switch contacts, link and busway, transformers and generators, engine windings, and circuits.
Hipotential Test Set (AC/DC/VLF)-
Dielectric endure (or hipot) testing checks for great protection in medium and high-voltage contraption, something contrary to a progression test. Protection is focused on above ostensible qualities to guarantee insignificant current breaks from the protection to ground.
Hipot test sets involve a high voltage lead, a return lead, and a ground lead. The high voltage lead is related with the contraption under test with any leftover parts grounded and the resulting current is assessed through the return.
Other more test and tag machine
- High Current Test Set (500A to 15000A+)
- Secondary Test Set
- Relay Test Set
- Power Factor Test Set
- Winding Resistance Test Set
- Transformer Turns Ratio (TTR) Test Set
- Current Transformer Test Set
- Magnetron Atmospheric Condition (MAC) Test Set
- Ground Resistance Test Set
- Ultrasonic Tester
- Battery Impedance Tester
