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TN-90A DB Sound Voltage Meter with Backlight for Preceding Electron Tube Biliary Machine of High Precision VU Head Power Amplifier Level Meter
TN-90A DB Sound Voltage Meter with Backlight for Preceding Electron Tube Biliary Machine of High Precision VU Head Power Amplifier Level Meter DescriptionFeatures:Add backlight board, white LED light source with homogenizer, make light diffuse evenly, solve the problem of LED light pointing, hollow dial bottom color is pure black, after power-on calibration lines and characters transparent green light is very beautiful.Specification:Movable part: moving coil typePointer Material: Zinc White CopperPointer color: orangePointer swing direction: from left to rightLength of the pointer: from the center axis to the needle tip 44 +1 mmWidth of pointer; 0.45 + 0.05 mmDirection of Use of Meter: VerticalStandard test conditions: temperature 20 C, humidity 70%. If the test results do not differ, the test can also be carried out at room temperature and humidity.Current Sensitivity: The Sensitivity of the Pointer from Zero to Maximum (Full Scale) 1000uA + 10%Internal impedance: 650_+10%Insulation impedance: 500V DC plus 50M ohm for meter outer box and electrical circuit. Insulation impedance of meter outer shell and electrical circuit is tested by 500V DC voltage.Package included:1 x VU Panel Meter Audio Power Amplifier Indicator DB Table Level Header
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