Power Supply Voltage: AC/DC 24–240 V, < 3 W, < 10 VA
Frequency Monitoring Range: 10.00–500.00 Hz
Frequency Monitoring Input Voltage: AC 20–200 V / 80–440 V
Speed Monitoring Range: 5–99,999 min⁻¹
Speed Sensor Input: 2-wire or 3-wire, PNP or NPN proximity sensors
Display: 5-digit digital display, showing Hz or min⁻¹
Relay Outputs: 2 × change-over contacts (each relay independently programmable)
Relay Functions: Configurable for minimum, maximum, or range monitoring with hysteresis, automatic reset, and time delay (≥ 50 ms)
Analog Output: None (available only on FRMU1000)
Maximum Error: < 0.15% FS + 0.015%/K
Operating Temperature: -20 °C to +60 °C
Protection Rating: IP 30 / IP 20 (terminals are pluggable)
Dimensions (Height × Width × Depth): 90 × 70 × 58 mm (mounting height 55 mm)
Weight: Approximately 180 g
Installation Method: 35 mm DIN rail or M4 screws