Measurement & Meter DDS309D
- Digital wheel diameter: 26.5mm
- Digit size: 4.8 x 7.5 mm
- Aluminum shield
- Type: antimagnetic, regular
- Working voltage range2.2V U 7.5V
- Driving pulse width:80ms
- Electric machinery resistance:450 30
- Velocity Ratio:100:1,200:1,400:1
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