Measuring units |
Peak value of vibration speed Peak value of vibration acceleration |
Supported standards | DIN 4150-3; BS 7385; SN 640312A |
Vibration sensor | triaxial piezo-electric acceleration sensor |
Display range (peak) acceleration | 0.001 ... 15 m/s² |
Display range (peak) speed (frequency-dependend) |
0.01 ... 2,400 mm/s at 1 Hz 0.01 ... 30 mm/s at 80 Hz |
Accuracy (reference value: 16 Hz) |
±3 %, ±2 digits, 100 Hz low pass ±3 %, ±2 digits, 398 Hz low pass |
Display |
LCD, b&w, 128 x 64 pixel, backlight 3 peak values (x/y/z direction) or vector sum, main frequency, 50-lines FFT spectrum, battery status, date and time |
Alarm |
warning and alarm LEDs next to the display relay output (chargeover contact, max. 100V DC / 2 A) |
GSM modem | Quad band (850, 900, 1800, 1900 MHz) (optional) |
SMS alarm function |
SMS notification when alarm is triggered SMS contains x/y/z readings, frequency, date, and device name |
Additional GSM functions | Phone call with headset (optional VM40-HS adaptor) (optional) |
Memory |
Built-in micro-SD card Max. 100,000 readings (x/y/z, frequency, date, time, device name) |
Analogue digital convertor | 24 bit, sigma-delta |
USB interface | USB 2.0, CDC mode, via VM2x-USB cable |
Battery |
NiMH, 4.8 V, charging time: 10 h No battery power consumption when connected via USB (e.g. to an USB powerbank or a USB mains / AC adaptor) |
Battery service life | 5 ... 15 days, depending on the temperature and duty cycle |
Languages | German, English |
Temperature range | -20°C ... 60°C / -4°F ... 140°F |
Protection class | IP 64 |
Dimensions |
150 mm x 140 mm x 80 mm / 5.9 in x 5.5 in x 3.1 in |
Weight | 2 kg / 4.4 lbs |