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Model : Epoch 650
Xuất xứ : Mỹ
Các thông số kỹ thuật chính
1/ General
Overall
dimensions (W x H x D) 236 mm x 167 mm x 70 mm (9.3 in. x 6.57 in. x 2.76 in.)
Weight 1.6
kg (3.5 lb), including lithium-ion battery
Keypad
English, International, Japanese, Chinese
Languages
English, Spanish, French, German, Japanese, Chinese, Portuguese, Russian
Transducer
connections BNC or Number 1 LEMO
Data
storage 100,000 IDs onboard, removable 2 GB microSD card (standard)
Battery type Single lithium-ion rechargeable standard
Battery life 15 h to 16 h (lithium-ion)
Power
requirements AC Mains: 100 VAC to 120 VAC, 200 VAC to 240 VAC, 50 Hz to 60 Hz
Display
type Full VGA (640 x 480 pixels) transflective color LCD, 60 Hz update rate
Display
dimensions (W x H, Diag.) 117 mm x 89 mm, 146 mm (4.62 in. x 3.49 in., 5.76
in.)
2/ Pulser
Pulser
Tunable Square Wave
PRF 10 Hz
to 2000 Hz in 10 Hz increments
Energy
settings 100 V, 200 V, 300 V or 400 V
Pulse width
Adjustable from 25 ns to 5,000 ns (0.1 MHz) with PerfectSquare™ technology
Damping 50,
100, 200, 400 Ω
3/ Receiver
Gain 0 to
110 dB
Maximum
input signal 20 V p-p
Receiver
input impedance 400 Ω ± 5%
Receiver
bandwidth 0.2 MHz to 26.5 MHz at –3 dB
Digital
filter settings
Thirty
digital filter sets standard
Seven
EN12668-1:2010 compliant filters (0.2-10 MHz, 2.0-21.5 MHz, 8.0-
26.5 MHz, 0.5-4
MHz, 0.2-1.2 MHz, 1.5-8.5 MHz, 5-15 MHz)
Rectification
Full-wave, Positive Half-wave, Negative Half-wave, RF
System
linearity Horizontal: ± 0.5% FSW
Resolution
0.25% FSH, amplifier accuracy ± 1dB
Reject 0 to
80% FSH with Visual Warning
Amplitude
measurement 0 to 110% full screen height with 0.25% resolution
Measurement
rate Equivalent to PRF in all modes
4/ Calibration
Automated
calibration
Velocity,
Zero Offset
Straight
Beam (First Backwall or Echo-to-Echo)
Angle Beam
(Soundpath or Depth)
Test modes
Pulse Echo, Dual, or Through Transmission
Units
Millimeters, inches, or microseconds
Range 3.36
mm to 13,388 mm (0.132 in. to 527.10 in.) at 5,900 m/s (0.2320 in./µs)
Velocity
635 m/s to 15240 m/s (0.0250 in./µs to 0.6000 in./µs)
Zero offset
0 to 750 µs
Display
delay -59 mm to 13,401 mm (-2.320 in. to 526.97 in.) longitudinal velocity in
steel
Refracted
angle 0° to 90° in 0.1° increments