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Rectangular AC voltmeter 69L7-V

Home Products Shanghai ZiYi Marine Instrument Co.,Ltd Voltmeter Rectangular AC voltmeter 69L7-V

Rectangular AC voltmeter 69L7-V

  • Category:Voltmeter
  • Inquiry Send Email

    Description

    Rectangular AC voltmeter 69L7-V AC voltmeter refers to a meter used to measure the effective value of AC voltage. In the field of strong electricity, AC voltmeters are often used to measure the voltage of the monitoring line.
    Usually, the AC voltmeter first amplifies the small signal and then measures it as an input stage to minimize the impact of the measuring instrument on the circuit under test. At the same time, a circuit with a high input impedance is used as the input stage to minimize the influence of the measuring instrument on the circuit under test.
    The AC voltmeter can be divided into amplification-detection type, detection-amplification type and heterodyne type according to the composition of the circuit.
    The commonly used AC voltmeter belongs to the amplification-detection type electronic voltmeter. It is mainly composed of attenuator, AC voltage amplifier, detector and rectified power supply.
    The measured voltage is first attenuated by the attenuator to a value suitable for the input of the AC amplifier, then amplified by the AC voltage amplifier, and finally detected by the detector to become a direct current flowing through the magnetoelectric meter, and the meter head indicates the magnitude of the measured voltage.

    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

    69L7-A rectangular AC ammeter

    0, 5, 1, 2, 3, 5, 10, 20A

    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)

    69L7-V rectangular AC voltmeter

    30, 50, 75, 100, 150, 300, 450, 500, 600V

    Direct access

    3, 6, 7.2, 12, 18, 42KV

    Access via voltage transformer (secondary voltage 100V)

    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
      • Electric Actuator
      • electric-pneumatic valve positioner
      • angle electric actuator
      • Intelligent electric actuator
    • Shanghai Automation Instrumentation No. 7 Factory
      • Electric valve
      • Pneumatic valve
      • Manual Valve
      • Electric Actuator
      • Electric Valve Actuator
      • Pneumatic Actuator
      • Electric Actuator Accessories
    • Shanghai Automation Instrumentation Co., Ltd.
    • Shanghai ZiYi Marine Instrument Co.,Ltd
      • Frequency Meter
      • Ammeter
      • Power Factor Meter
      • Voltmeter
      • Current voltmeter
      • Controllable Voltage Regulator
      • Megger
    • Shanghai Automation Instrument Tachometer and Instrument Motor CO.,LTD
      • 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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