10 Technical data Promass 40
52 Endress+Hauser
Power consumption AC: <15 VA (including sensor)
DC: <15 W (including sensor)
Switch-on current:
• max. 13.5 A (< 50 ms) at 24 V DC
• max. 3 A (< 5 ms) at 260 V AC
Power supply failure Lasting min. 1 power cycle:
• EEPROM saves measuring system data if power supply fails.
• S-DAT™ is an exchangeable data storage chip with sensor specific data:
nominal diameter, serial number, calibration factor, zero point, etc.
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