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No flashlight. Includes a pouch The tip retracts
By none on March 23, 2018
Hello Steve, Electrical test & measurement tools will be assigned to 4 different designations from I - IV. These categories can be confusing; therefore, National Instruments has developed this tutorial to help customers understand what these categories mean. Tools that interact with electricity are designed for specif… see more Hello Steve, Electrical test & measurement tools will be assigned to 4 different designations from I - IV. These categories can be confusing; therefore, National Instruments has developed this tutorial to help customers understand what these categories mean. Tools that interact with electricity are designed for specific applications and conditions. Exceeding or deviating from application parameter can lead to inaccurate measurements or injury. With that said, let's take a closer look at the four primary measurement categories for electrical tools. Measurement categories can be broken down into several categories: CATI, CATII, CATIII, and CAT IV. Measurement Category I: This category is for measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. Measurement Category II: This category refers to local-level electrical distribution, such as that provided by a standard wall outlet or plug in loads (for example, 115 AC voltage for U.S. or 200 AC voltage for Europe). Examples of Measurement Category II are measurements performed on household appliances, portable tools, and similar modules. Measurement Category III: This category refers to measurements on hard-wired equipment in fixed installations, distribution boards, and circuit breakers. Other examples are wiring, including cables, bus bars, junction boxes, switches, socket outlets in the fixed installation, and stationary motors with permanent connections to fixed installations. Measurement Category IV: This category refers to origin of installation or utility level measurements on primary over-current protection devices and on ripple control units. Measurement Categories are used to rate test instruments on their ability to resist a voltage spike, which is applied through a specific resistance. The higher the category, the more risk there that a high voltage can overload a circuit and cause electrical and physical damage. Usually, the higher the CAT (category) rating, the safer the rating. Hope this helps. see less
By ElecDist SELLER on December 18, 2017
With the function switch in any position, but off, hold the NCV button and if there is 120VAC or greater near tip the light on the tip flashes and it beeps at you. You must be within two inches for it to read it.
By Jonathan Adler on July 15, 2017
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