ULTRICS Digital Multimeter, Voltmeter Ammeter Ohmmeter Circuit Checker with Backlight LCD Test Leads, Portable Multi Tester Measures OHM AC DC Voltage Current Resistance Continuity Diodes Transistor

Product Information

MULTIPURPOSE USE: Compact digital multimeter ideal for commercial and home use. Works as a voltmeter, ammeter, ohmmeter testing continuity, AC/ DC voltage, diode, transistor HFE, car battery tester. Another charging system test that can be carried out with a multimeter which is usually the preserve of professional car mechanics is the AC ripple test. This looks for excessive AC voltage generated by the alternator that works against the DC voltage charging of the battery. To perform this test, the digital multimeter probes have to be connected up as follows: Voltage, resistance, continuity, current, capacitance, frequency, diodes, and batteries may all be precisely measured with the HT112B multimeter.

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A sturdy rubber shell protects the multimeter from splashes and moderate bumps and can be used handheld or with a fold-out stand. To replace battery & fuse {200mAI250V) remove the 2 screws in the bottom of the case. Simply remove the old, and replace with a new one.Be careful to observe battery polatity. It’s built to safely and accurately troubleshoot a wide range of automobile and home electrical issues. One other minor disadvantage when buying the Ultrics DMM comes from the operating manual that accompanies the device. The operating instructions are relatively poor both in clarity and in their command of the English language, while the text itself is printed in an unusually small font size that makes reading difficult especially for the older folk among us. Since this is a device for the novice user, instructions on how to use its different features become even more important than for other more expert-targeted devices. Fortunately, with the encyclopaedic internet and the likes of Google and Youtube, useful help on how to use the Ultrics DMM and digital multimeters in general is not far away.This digital multi-tester comes with test leads and a 9V battery, as well as overcharge and low battery protection on all ranges. For a decent viewing angle, there is double insulation and a stand. For most home 3-wire circuits, only one wire should register a voltage of about 230V. This is the live wire.

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While keeping one lead on the ground terminal, touch the second lead onto the other live terminal or wire. Delermine whether the transistor under testing is NPN or PNP and locate the emitter, base and collector leads. It comes with Automatic Polarity Display and Data Retention Function Probes, as well as Over Range Battery Instructions and Battery Changing Instructions. Features of the Product Unusually for a low-cost DMM, the AstroAI machine also has several other features that are usually found exclusively on expensive high-end multimeters. These include a relatively high sampling rate of 2 times per second so that readings are likely to be accurate even if the measured signal is fluctuating. In addition, the meter also includes a ‘Relative’ button which can be used to compensate for any internal resistance from the test leads. Readings can also be captured at their maximum or minimum values using the ‘Max / Min’ button. A multimeter is the best tool for testing the voltage of live wires. It not only tells you that the wires are live (meaning there’s current flowing through them), it also tells you how much voltage is present.A multimeter is an electronic device that is commonly used by electronic technicians and engineers. The MESTEK DM100 Digital Multimeter is an excellent tool for hobbyists, electricians, and household use. The compact digital multimeter is excellent for both commercial and residential applications. Measuring is made easy with the data hold option.