10 Technical data Prosonic Flow 92
56 Endress+Hauser
10.1.5 Power supply
Electrical connection see Page 27 ff.
Potential equalisation see Page 33
Cable entry see Page 32
Power supply connection:
• Standard power supply cable connection
Signal cable connection:
• Circular connector, 4 pin
Sensor cable connection:
• BNC connector
Cable specification see Page 27
Supply voltage Transmitter:
• Built-in battery
Special type Ni-Cd battery
Continuous operation time up to 5 hours (backlight OFF)
Recharging time 3 hours (power adapter used)
• Special type power adapter
100...240 V AC, 47...63 Hz
Flow measuring sensors:
• Powered by the transmitter
Power consumption DC: < 12 W (incl. sensors)
Power supply failure Memory backup with lithium battery (lifetime approx. 5 years)
10.1.6 Performance characteristics
Reference operating
conditions
• Liquid temperature: +28 °C ± 2 K
• Ambient temperature: +22 °C ± 2 K
• Warm-up period: 30 minutes
Installation:
• Inlet run >10 x DN
• Outlet run > 5 x DN
• Sensors grounded.
• The measuring sensors are correctly installed.
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