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  2. Electronic test equipment - Wikipedia

    en.wikipedia.org/wiki/Electronic_test_equipment

    Multimeter e.g., VOM (Volt-Ohm-Milliammeter) or DMM (Digital Multimeter) (Measures all of the above) LCR meter - inductance (L), capacitance (C) and resistance (R) meter (measure LCR values) The following are used for stimulus of the circuit under test: Power supplies; Signal generator; Digital pattern generator; Pulse generator

  3. List of IEC standards - Wikipedia

    en.wikipedia.org/wiki/List_of_IEC_standards

    IEC 60100 Methods for the measurement of direct inter-electrode capacitance of electronic tubes and valves; IEC 60104 Aluminium-magnesium-silicon alloy wire for overhead line conductors; IEC 60105 Recommendation for commercial-purity aluminium busbar material; IEC 60107 Methods of measurement on receivers for television broadcast transmissions

  4. Capacitance meter - Wikipedia

    en.wikipedia.org/wiki/Capacitance_meter

    A capacitance meter is a piece of electronic test equipment used to measure capacitance, [1] mainly of discrete capacitors. Depending on the sophistication of the meter, it may display the capacitance only, or it may also measure a number of other parameters such as leakage , equivalent series resistance (ESR), and inductance .

  5. Check valve - Wikipedia

    en.wikipedia.org/wiki/Check_valve

    A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...

  6. Multimeter - Wikipedia

    en.wikipedia.org/wiki/Multimeter

    Analog multimeter Digital multimeter. A multimeter (also known as a volt-ohm-milliammeter, volt-ohmmeter or VOM) [1] is a measuring instrument that can measure multiple electrical properties. [2] [3] A typical multimeter can measure voltage, resistance, and current, [4] in which case can be used as a voltmeter, ohmmeter, and ammeter.

  7. Double check valve - Wikipedia

    en.wikipedia.org/wiki/Double_check_valve

    A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. [1] It is different from the two-way check valves (sometimes erroneously referred to as double check valves) used in air brake systems on heavy trucks which select from the highest pressure source.

  8. Extech Instruments - Wikipedia

    en.wikipedia.org/wiki/Extech_Instruments

    Extech Instruments is a supplier of handheld electronic test equipment and measuring instruments.It is based in Nashua, New Hampshire with design, manufacturing, and warehousing facilities in Hong Kong and Taiwan and a sales office in Shanghai.

  9. List of EN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_EN_standards

    Circular flanges for pipes, valves, fittings and accessories, PN designated; EN 1168: Precast concrete products - Hollow core slabs; EN 1176-1: Playground equipment. General safety requirements and test methods; EN 1177: Impact absorbing playground surfacing. Safety requirements and test methods; EN 1325:2014: Value Management. Vocabulary.