TN-90 DB Sound Voltage Meter with Backlight for Preceding Electron Tube Biliary Machine of High Precision VU Head Power

Features 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 960uA 8 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 xVU Panel Meter Audio Power Amplifier Indicator DB Table Level HeaderDetails pictures