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arrival time : 7-12workdays(Standard delivery)
dB : -20~+5dB 0dB=1.288V+/-10%, calibalated DCR= 650ω
Led Lamp voltage : 2.2~2.6V DCR= 650ω, If=450uA
Lamp : White LED x1pcs ,10~20mA
Dimension : 35.0x35.0x38.0mm (WxHxD) View size : φ34.0mm
VU meter Header DB Level Header for Recording Audio with Back light TR-35 dB : -20~+5dB 0dB=1.288V+/-10%, calibalated DCR= 650ω, If=450uA Lamp : White LED x1pcs ,10~20mA (has no resistor inside) Led Lamp voltage : 2.2~2.6V DCR= 650ω, If=450uA Lamp : White LED x1pcs ,10~20mA (has no resistor inside) Led Lamp voltage : 2.2~2.6V So, you need the resistor :270ω 1/4W ,if VDC=5V 390ω 1/4W ,if VAC/DC=6.3V 1000ω 1/2W ,if VAC/DC=12.6V need external resistor,diode, capacitor (if 1Khz 0dB=1.288Vrms,R1=470ω,VR1=100ω, or R1+VR1=500ω) Dimension : 35.0x35.0x38.0mm (WxHxD) View size : φ34.0mm Mounting hole/pitch : φ3.5mm/28.0x28.0mm Note : On the center 2 pins are for meter coil, other 2 pins are for LED Net weight approx.: 25g pointers Material: Nickel silver strips Pointer color: brown The direction of the pointer swing :left to right Pointer length : 17.3 ± 1 mm from the center axis to the needle end Pointer width : 0.45 ± 0.05 mm Electrical Characteristics: standard test conditions temperature: 20 ℃, humidity 70% Can also be tested under normal temperature and humidity The influenza degree pointer at the zero scale to the maximum scale sensitivity of 500 uA ± 10% (full scale position) internal impedance : 650 ω ± 10% Insulation impedance meter outside the box plus the electrical circuit with 500V DC plus 50M ohm meter shell Electrical insulation of the circuit impedance is 500V DC voltage test of the insulation value The zero position 10 meter using the standard position, one place pointer front and zero-scale center for the benchmark Package List: 2pcs VU Meter Warm Back Light Recording Audio Level Amp