Emerson EPRO MMA3311/022-100 Speed and Key Monitor

The technical specifications for the EPRO MMA3311/022-100 Speed and Key Monitor:

Measurement Performance:

• Sensor Input Type: Eddy-Current Sensors
• Measurement Range: Freely selectable by means of configuration software, maximum 65535 rpm (limited by input frequency)
• Linearity Error: 0.25% at 25°C
• Linearity Error (Calculated with Sensor): Depending on the sensor, maximum -6% at 25°C
• Output Stability as Function of Temperature: <0.08% / 10K
• Long-Term Drift: Maximum 1% of measuring range
• Frequency Range: 0 to 20 kHz (automatic setting of trigger level)
• Connection Type (Internal Converter): “LEMO” socket

Environmental:

• Shock Limit: 20 g pk
• Temperature Range: -20 to 65°C (-4 to 149°F)
• Sealing: IP65
• Agency Ratings: CE

Mechanical:

• Case Material / Weight: Aluminum (non-corroding) / ~1300 g (45.8 oz.)
• Mounting: Wall mount

Electrical:

• Supply Voltage Permissible Voltage Range: Nominal +24 VDC
• Power Consumption: Maximum 6 W
• Buffered Out (2x):
  • Voltage Range: 2.0 to 10.0 VDC
  • Accuracy: ±2.5%
• Current Out:
  • Current Range: 0/4 to 20 mA (20 to 4/0 mA)
  • Maximum Burden: Galvanically separated, open circuit and short-circuit proof, 500 Ohm
• Relay Out (5x make contact):
  • Voltage Contact Rating UMAX: 48 VDC
  • Current Contact Rating IMAX: 1 A
  • Power Contact Rating PMAX: 50 W