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The Instantel® Minimate® vibration and overpressure monitor is a cost-effective solution for day-to-day compliance monitoring of blasting operations, and has become the mini-seismograph of choice for blasting professionals worldwide. With the quality and rugged reliability consistently provided by Instantel, the Minimate system is an economical seismograph that everyone can afford.

Key Features

  • Small, rugged package for portability and easy setup.
  • Rechargeable gel cell battery with 240 hour capacity (continuous monitoring).
  • Non-volatile memory with 40 - event storage capacity.
  • Monitor start/stop timer.
  • Easy-to-use keypad with intuitive menu-driven operation.
  • AutoRecord record stop mode allows the monitor to continue recording as long as activity cycles above the trigger level.
  • 1,024 S/s rate for compliance accuracy from 2 to 250 Hz.

Applications

  • Rechargeable gel cell battery with 240 hour capacity (continuous monitoring).
  • Non-volatile memory with 40 - event storage capacity.
  • Monitor start/stop timer.
  • Easy-to-use keypad with intuitive menu-driven operation.
  • AutoRecord record stop mode allows the monitor to continue recording as long as activity cycles above the trigger level.
  • 1,024 S/s rate for compliance accuracy from 2 to 250 Hz.
  • Small, rugged package for portability and easy setup.

Technical Specifications

Channels Microphone and Triaxial Geophone
Vibration Monitoring NULL
Range Up to 127 mm/s (5 in/s)
Resolution 0.125 mm/s (0.005 in/s)
Accuracy +/- 1% @ 15 Hz
Transducer Density 2.08 g/cc (130 lbs/ft3)
Frequency Range 2 to 250 Hz
NULL
Air Overpressure Monitoring NULL
Weighting Scales Linear
Range 100 to 142 dB (250 Pa (0.036 PSI) Peak)
Resolution 2 Pa (0.00029 PSI)
Accuracy 0.4 dB at 30 Hz and 127 dB
Frequency Response 2 to 250 Hz
NULL
Waveform Recording NULL
Record Modes Manual, Single-shot, Continuous
Seismic Trigger 0.25 to 127 mm/s (0.01 to 5 in/s)
Acoustic Triggers 106 to 142 dB
Sample Rate 1,024 S/s per channel (independent of record time)
Record Stop Modes Fixed record time, Instantel® AutoRecord record stop mode
Record Time 1 to 10 seconds (programmable in one-second steps)
AutoRecord Time Auto window programmable from 1 to 9 seconds, plus a 0.25 second pre-trigger. Event is recorded until activity remains below trigger level f
Cycle Time Less than 5 seconds per second of recording time
Storage Capacity 40 one-second events
NULL
Physical Specifications NULL
Battery Rechargeable 6V sealed gel cell - capacity for 240 hours continuous monitoring
User Interface 7-key keypad with domed tactile keys
Display 2-line x 20-character LCD
PC Interface RS-232
LCD Operating Temperature 10 to 50ºC (14 to 122ºF)
Electronics Operating Temperature -20 to 60ºC (-4 to 140ºF)
Remote Communications Compatible with Telephone, GSM, Cellular, RF, Satellite and Short-haul modems

Dimensions

  US Metric
Dimensions 3.2 x 3.6 x 6.3 in 81 x 91 x 160 mm

Weight

  US Metric
Weight 3 lbs 1.4 kg