_x000D_ VU Level Meter TR-35 500 VU Meter Panel Mechanical Pointer Type Audio Level Meter White LED 2.8-3.8V 20MA _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Test environment: temperature 20 Celsius, humidity 70 Celsius_x000D_ Overload: Input five times the current of the vine scale every 5 seconds, this action is repeated 9 times, 0.5 seconds per second_x000D_ Vibration: The meter is packaged and fixed on a vibrating machine. Vibration frequency: 16.7Hz (1000 times/min); amplitude 14.5mm, 3 minutes in X, Y, and Z directions_x000D_ Drop: The meter is packaged and dropped from a height of 30cm on a wooden board of 3cm thick. X, Y, and Z directions once each_x000D_ Durability: 1,000,000 times correction point current on and off_x000D_ _x000D_ Operating temperature:_x000D_ Work for 2 hours in an environment of -10 Celsius and keep the current at the calibration point on and off_x000D_ Work for 2 hours in an environment of 70 Celsius3 Celsius and keep the calibration point current on and off_x000D_ Terminal temperature:_x000D_ Tensile force: Acting on the terminal with a force of 10 Newtons for 10 1 second_x000D_ Tension: Acting on the terminal with a force of 2 Newtons for 101 seconds_x000D_ Bending strength: Fold 90 in the positive and negative directions at the same position of the terminal with a force of 5 Newtons_x000D_ Heat resistance: wave soldering: temperature 2603 degrees Celsius, time 5 seconds, immersion depth 1.6mm (distance to PCB bottom surface)_x000D_ Specification:_x000D_ Sensitivity: 180uA10%_x000D_ Friction: 1mm_x000D_ Zero position: 1_x000D_ White LED: 2.8-3.8V 20mA_x000D_ Colour:Black + Yellow_x000D_ Material:Zinc cupronickel_x000D_ Size:3.5x3.7cm_x000D_ _x000D_ Package Contents:_x000D_ 1 x VU meter_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_