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Wide-angle AC ammeter 45D1-A

Home Products Shanghai ZiYi Marine Instrument Co.,Ltd Ammeter Wide-angle AC ammeter 45D1-A

Wide-angle AC ammeter 45D1-A

  • Category:Ammeter
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    Description

    Wide-angle AC ammeter 45D1-A is embedded in a ship or other occasion power equipment installation, and measures AC voltage with a rated operating frequency of 50Hz and 60Hz, and a wide-angle AC current meter.

    The AC current meter mainly adopts the measurement mechanism of the electromagnetic system electric meter, the electric system electric meter and the rectifier type electric meter. The lowest range of the electromagnetic measuring mechanism is about tens of milliamps. In order to increase the range, it is necessary to reduce the number of coil turns and thicken the wire. When an electric current measuring mechanism is used to form an ammeter, the moving coil and the static coil are connected in parallel, and the lowest range is about several tens of milliamps. In order to increase the range, if you want to reduce the number of turns of the static coil and thicken the wires, or change the two static coils from series to parallel, the range of the ammeter will be doubled. When using a rectifier meter to measure AC current, the ammeter reading is correct only when the AC has a sinusoidal waveform. A shunt can also be used to increase the range. In addition, high-frequency currents can also be measured with thermoelectric meter measurement mechanisms. The large-range AC ammeters used in power systems are mostly 5A or 1A electromagnetic system ammeters, and are equipped with current transformers with appropriate current conversion ratios.

    1. Uses:
    Embeddedly installed on ships, locomotives, power stations, mines, metallurgy, petrochemicals or other mobile power equipment, measuring AC current voltages with rated operating frequencies of 50, 400, and 427 Hz.
    2. Main technical performance:
    Class 2.5, splash proof and vibration resistant.
    3. Conditions of use:
    Ambient temperature: -25 ~ + 55 ℃, relative temperature: <98% RH

    4. Measurement range

    Model and Name

    Measuring range

    Access method

    45D1-A

    Wide-angle AC ammeter

    5, 10, 20, 30, 50A

    Direct access

    5, 10, 20, 30, 50, 75, 100, 150, 200, 300, 400, 600, 750, 800A

    1, 1.5, 2, 3, 4, 5, 6, 7.5, 10KA

    Access via current transformer

    (Secondary current 5A)

    45D1-V

    Wide-angle AC voltmeter

    30, 50, 250V

    Direct access

    450V

    (Access via 380 / 100V or 380/127 VPT)


    Inquiry Us





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    Product Categories

    • Shanghai Automation Instrumentation No. 3 Factory
      • Thermocouples
      • Thermal resistance
      • Bimetal thermometer
      • Temperature transmitter
      • Non-contact thermometer
    • Shanghai Automation Instrumentation No. 4 Factory
      • Pressure guages
      • Pressure transmitters
      • pressure controllers
    • Shanghai Far East Instrumentation Factory
    • Shanghai Automation Instrumentation No. 5 Factory
      • Ultrasonic Level Meter
      • Magnetic Level Gauge
      • Magnetostrictive Liquid Level Transmitter
      • Radar Level Meter
      • Electric Float Level Transmitter
      • Floating Ball Level Meter
      • Floating Ball Liquid Level Switch
      • Radio frequency admittance switch
      • Input-Type Liquid Level Transmitter
      • Tuning Fork Level Switch
      • Intelligent Radar Level Meter
      • Resistance level switch
    • Shanghai No. 9 Automation Instrumentation Co., Ltd.
      • Electromagnetic Flowmeter
      • V-Cone Flowmeter
      • Glass Rotor Flowmeter
      • Metal Tube Rotor Flowmeter
      • Throttling Device
      • Ellipse Flowmeter
      • Vortex Flowmeter
      • Turbine Flowmeter
      • Wedge Flowmeter
      • Sliding vane flowmeter
      • Roots flowmeter
      • Flow Switch
    • Shanghai Automation Instrumentation No. 11 Factory
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      • electric-pneumatic valve positioner
      • angle electric actuator
      • Intelligent electric actuator
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      • Fixed magnetic tachometer
      • Handheld centrifugal tachometer
      • Rotating speed digital displayer
      • Electric tachometer
      • Non-contact handheld digital tachometer
      • Standard speed generator
    • Shanghai Dahua Instrument Factory
      • Automatic balanced recorder
      • Circular chart recorder
      • Intelligent digital display regulator
      • Intelligent data logging device
    • Shanghai Hua Dong Electronic Instrument Factory
      • Weighing sensor
      • Weighing controller
      • Weighing amplifier
      • Weighting Resistance Strain Meter

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