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8.2 DAQlink III Specifications
1 to 24 channels per unit
Weatherproof enclosure
Multiple units can be used together for large
channel count
A/D conversion:
24 bit high-speed sigma delta converters
Dynamic range:
144 dB (system)
Greater than 118 dB (measured at 2msec)
Bandwidth:
DC to 15 KHz –
Analog filter flat response to 8000 Hz
Digital Filter Bandwidth = 85% of (sample rate)
Common Mode Rejection:
Greater than 100 dB
Crosstalk:
Better than 125 dB
Noise Floor:
0.2 microvolt RMS noise (2 msec sample rate)
Trigger Accuracy:
+/- 1 microsecond at all sample rates
Maximum Input Signal:
Standard ( x 2 gain): 3.58 volts peak to peak
(optional: ( x1 gain): 7.16 volts peak to peak)
Input Impedance:
100 K ohms
Preamplifier Gains:
X2, and x32 standard; software selectable
(X1, and x16 available on special request)
Anti-alias Filters:
85 % of Nyquist frequency
Digital Filters:
Low Cut – User Selectable frequency
Notch – 50 or 60 Hz standard – User selectable
High Cut – User Selectable
Sample Interval:
0.0208, 0.0625, 0.125, 0.250, 0.500, 1.00, 2.00, 4.00, 8.00, 16.00 millisecond
Sample Frequency:
48000, 16000, 8000, 4000, 2000, 1000, 500, 250, 125,64.5 samples/second
Record Length:
Up to 4 Gbytes/ number of channels
Pre- trigger delay:
10 second
Continuous Recording Option
GPS Interface Standard
Internal Clock synchronized to GPS time
GPS Time and Position saved with data
Internal Storage:
Compact Flash style storage media
Standard FAT16 or FAT32 file system
(maximum file size = 32GB)
100Mbit Ethernet
Download speed 8MByte/sec; real time transfer
Power consumption:
24 channels – less than 0.4 watt/channel
Built in Line Testing and Instrument Tests
Size: 330x230x60 mm
Weight: 3.4 Kg
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