General Blastmate III Specifications
Channels: Microphone and Triaxial Geophone or 4 independent user-confi gurable 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 (ISEE / DIN): +/- 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 (ISEE / DIN): 2 to 250 Hz, within zero to -3 dB of an ideal fl at response / 1 to 315 Hz
Maximum Cable Length (ISEE / DIN): 75 m (250 ft) / 1,000 m (3,280 ft)
Air Overpressure Monitoring:
Weighting Scales: Linear
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:
A-Weight Range: 50 to 110 dBA
A-Weight Resolution: 0.1 dBA
A-Weight Frequency Response: 15 to 8,000 Hz
Waveform Recording:
Record Modes: Manual, Single-shot, Continuous
Seismic Trigger: 0.127 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 16,384 S/s per channel (independent of record time), up to 65,536 S/s in single-channel mode with advanced software (maximum 8,192 S/s per channel for 8 channels)
Record Stop Mode: Fixed record time, Instantel® AutoRecord™ record stop mode
Record Time 1 to 100 seconds (programmable in one-second steps) or advanced mode, 500 seconds plus 0.25 seconds pretrigger
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 for duration of auto window, or until available memory is filled.
Cycle Time: Recording uninterrupted by event processing – No dead time
Storage Capacity:
Full Waveform 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 optional memory upgrade)
Histogram Recording
Record Modes: Histogram and Instantel Histogram Combo™ (monitor captures triggered waveforms while recording in Histogram mode)
Recording Interval: 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 minute intervals (with memory upgrade – 15 days at 5-second intervals or 540 days at 15 minute 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 functions
Display: 4-line x 20 character, high contrast, backlit LCD with online help
Printer: High resolution thermal plotter
PC Interface: RS-232
Auxiliary Inputs and Outputs: External Trigger, Remote Alarm, coordinate download from GPS
Environmental
Printer/LCD Operating Temperature: -10 to 500C (14 to 1220F)
Electronics Operating Temperature: -20 to 550C (-4 to 1310F)
Remote Communications: Compatible with Telephone, GSM, Cellular, RF, Satellite, Short-haul modems, and Ethernet® device servers. Automatically transfers events when they occur through Instantel Auto Call Home™ feature.
Additional Features: Monitor start/stop timer
Electrical Standards: CE Class A