Triaxial Vibration Monitor: VM40C

    • For structural vibration measurement to DIN 4150-3, BS7385, SN 640312a, Circulaire du 23/07/86 and many other standards like Federal Transit Administration (FTA) standard.
    • Includes high-sensitivity triaxial accelerometer, electronics for signal conditioning, monitoring, recording and battery
    • Safe user guidance
    • Measurement of main frequency by continuous FFT
    • Time and event triggered recording for up to 100 000 measurements
    • VM40B with SMS notification at alarm events
    • Robust aluminum enclosure for autonomous field application (IP67)
Monitored quantitiesPeak value of vibration velocity or acceleration
Measuring rangesAcceleration: 0.01 – 15 m/s²;
Velocity: 0.1 – 2400 mm/s at 1 Hz; 0.1 – 30 mm/s at 80 Hz (frequency dependent)
Frequency ranges (-3 dB)0.8 – 100 Hz; 0.8 – 395 Hz; 5 – 150 Hz
Displayed data3 peak values (X/Y/Z) or vector sum, main frequency, 50 line FFT spectrum
Alarm indicationLEDs for warning/alarm, super bright
relay output, n.o./n.c, max. 100 VDC / 2 A
SMS alarm functionExternal cellular modem 4G (LTE B3, B8, B20); 2G (E-GSM-900, DCS-1800)
SMS sent at alarm condition, includes X/Y/Z values, date, time and device name
SMS polling of alarm number and highest alarm by calling the VM40
InterfaceUSB, PC software for archiving and report generation included
Power supplyInternal battery, 5 to 15 days (depending on mobile communication), charge duration approx. 10 h with mains plug adapter
unlimited operation with connected USB supply voltage