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- Brand: Fotek
- Model: SM – 20
- Name: multifunction speed meter
- Appearance: 48 * 96 * 96
- Opening size: 92*45
- Ideotype
- 24×48
- 96×48
- 96×48
- Model
- SM-10
- SM-20
- SM-20S
- Retransmission
- Non
- Non
- 4~20mA
- Alarm output
- Relay
- Relay
- Non
- Output control
- Hi/Lo
- Hi/Lo
- Non
- Digit capacity
- 4 Digits
- Working voltage
- 90~265 VAC 50/60 Hz
- Current consumption
- 5VA max
- DC Output
- 12V/100 mA max.
- Input mode
- NPN
- Answering time
- Ton=0.1ms~99.9ms settable
- Pulses Per Revolution (PPR)
- 1~999 PPR Settable
- Axis diameter setting
- 1~999mm Settable (Line Speed Meter Available Only)
- Memory mode
- EEPROM
- Electrostatic resistance
- Over 8KV
- Dielectric strength
- Over 2.5KV/1min ; Between Power and each other Terminal
- Insulation strength
- Over 100MΩ/500VDC , Between Power and each other Terminal
- Work environment
- 20°C~ +80 °C ; 35%~85%RH
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