Measure construction and traffic vibration quickly and easily with the PPV901 Seismograph. This battery powered vibration monitor is portable and excellent for the measurements of blasting, piling, demolition, construction and traffic vibration levels. Air overpressure from blasting can also be measured from the optional microphone.

With a battery life of up to 3 weeks the PPV901 Seismograph can be used for continuous long term monitoring over full 24 hour days.

Download results to a PC for printing and further analysis.

Also available with a twin channel transducer for measurements on a common time base in 2 different places at the same time.

Options:

• Second Tri-Axial Geophone Pack
• Two stage audible and visible alarm
• Solar panel
• Modem
• Portable Printer
• Vibration Dose Value Transducer
• Impulse mode for blast monitoring
• Continuous mode for piling, rail and road traffic monitoring
• Tri-axial geophone sensor with option for second tri-axial sensor Features:
• Triggering from 0.1 mm/s
• Single range from 0.1 mm/s to 200 mm/s
• Auto record length from 2 to 18 seconds (in impulse mode)
• Can trigger and record PPV, acceleration or displacement parameters
• Air overpressure from 100 to 140 dB Linear Peak
• Memory for about 300 events or 30 days continuous recording
• Battery operated, uses 2 Alkaline ‘D’ cells (or external 12 volt supply)
• Built in timer function
• Instant readout and review of memory event results on LCD
• Download to PC with supplied RS232 cable and Windows™ based software