TN-73 High-precision VU Meter DB Power Discharge Flat Meter Mixer Power Meter
TN-73 High-precision VU Meter DB Power Discharge Flat Meter Mixer Power Meter
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Product Details
High-precision VU Meter DB Power Discharge Flat Meter Mixer Power Meter measures power levels with a movable coil type mechanism. It features a black pointer that swings from left to right.
- Movable part: movable coil type
- Pointer materials: Nickel Silver Strips
- Pointer color: Black
- Direction of pointer swing: From left to right
- Pointer length: 30 +/- 1mm
- Pointer width: 0.45 +/- 0.05mm
- Direction of use: Vertical
- Operating temperature limit: -10°C to +60°C, RH 35% to 85%
- Storage temperature limit: -20°C to +60°C, RH 35% to 85%
- Solder condition: Terminal must be inserted 3mm into tin plate at 230°C for 3.5 seconds
- Solder temperature: 350°C for 3.5 seconds, terminal must be 3mm in contact with solder gun
- Anti-static test: Dry nylon cloth used on transparent cover surface
- Light bulb specification: DC12V 12W
- Standard test conditions: 20°C, 70% humidity
- Pointer sensitivity: 1mA +/- 5%
- Internal impedance: 50 ohm +/- 5%
- Insulation impedance: above 500V DC plus 50M ohm
- Zero position error: +/- 1mm
- Equalization error: +/- 1mm when tilted 90 degrees
- Stick pointer test: Pointer returns to 1/3 of scale
- Friction error range: +/- 1mm
- Braking test: Pointer indicates within one second
- Over load test: Input ten times full scale current
- Vibration test: Shaken 4mm every 1,000 times per minute
- Impact test: Meter dropped from 30cm
- Reliability test: Remains within standard after 100,000 inputs
- Environmental impact test: 50°C, 85% humidity for 100 hours
- Terminal tension test: Terminal must bear 1 kg tension for 60 seconds
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