blastmate III (blasting monitor)

General Specifications * Channels : Microphone and Triaxial Geophone or 4 independent user configurable channels ( two microphones and two Triaxial Geophones or 8 independent channels with optional 8 channel upgrade ) * Vibration Monitoring ( with Standard Triaxial Geophone ) Range : Up to 254 mm/s ( 10 in /s ) Resolution : 0.127 mm/s (0.005 in/s) or 0.0159 mm/s (0.000625 in/s) with built in preamp Accuracy : +/- 5% or 0.5 mm/s (0.02 in/s), whichever is larger, between 4 and 125 Hz /DIN 45669-1 standard Transducer Density : 2.13 g/cc ( 133 lbs/ft3) Frequency Range : 2 to 250 Hz, within zero to -3 dB of an ideal flat response /1 to 315 Hz * Air Overpressure Monitoring Weighting Scales : Linear or A Weight Linear Range : 88 to 148 dB ( 500 Pa ( 0.072 PSI ) Peak ) Linear Resolution : 0.25 Pa ( 0.0000363 PSI ) Linear Accuracy : +/- 10% or +/- 1 dB, whichever is larger, between 4 and 125 Hz Linear Frequency Response : 2 to 250 Hz Between -3 dB roll off points A -Weight Range : 50 to 110 dBA A-Weight Resolution : 0.1 dBA * Maximum Cable Length ( ISEE / DIN ) : 75 m ( 250 ft ) / 1,000 m ( 3,280 ft ) Waveform Recording * Record Modes : Manual, Single shot, Continuous * Seismic Trigger : 0.125 to 254 mm/s ( 0.005 to 10 in/s) * Acoustic Triggers Linear : 100 to 148 dB A Weight : 55 to 110 dBA * Sample Rate : 1.024 to 16,000 S/s per Channel ( independent of record time ) up to 65,000 S/s in single channel mode with advanced software (maximum 8,000 S/s per channel for 8 channels ) * Record Stop Modee : Fixed record time, Instantel Auto Record , record stop mode * Record Time : 1 to 100 seconds ( programmable in one second steps ) or 500 seconds plus 0.25 seconds pre trigger * Auto Record Time : Auto window programmable from 1 to 9 seconds, plus a 0.25 second pre trigger. Events is recorded until activity remains below trigger level for duration of auto window, or until available memory is filled * Cycle Time : Recording uninterrupted by event processing - No dead time * Storage Capacity Full Wavefrom events : 300 one second events at 1,024 S/s sample rate ( 1,500 event capacity with optional memory upgrade ) Event Summaries : 1,750 ( 8,750 event capacity with memory upgrade ) Histogram Recording * Record Modes : Histogram and Instantel Histogram Combo ( monitor captures triggered waveforns while recording in Histogram mode ) * Recording Intervals : 2,5 or 15 seconds; 1, 5 or 15 minutes * Storage Capacity : 46,656 intervals 3 days at 5 second intervals or 102 days at 15 minutes intervals ( with memory up grade 15 days at 5 second intervals or 540 days at 15 minutes intervals ) Physical Specifications * Dimensions : 269 x 355 x 165 mm ( 10.6 x 14.0 x 6.5 in ) * Weight : 6.4 Kg ( 14 Lbs ) * Battery : Rechargeable 6 V sealed gel cell capacity for 30 days of continuous monitoring * User Interface : 63 domed tactile keys including full keyboard and dedicated keys for common fucntions