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Measurement & Meter DDS309-TD
- Electrical pulse counter
- Digit wheel diameter: 22mm
- Digit size: 3.8 x 6.2 mm
- Aluminum shield
- Type: antimagnetic, regular
- Working voltage range2.2V~7.5V
- Driving pulse width80ms
- Electric machinery resistance450, 30
- Velocity ratio100:1, 200:1, 400:1
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