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SpectraDAQ-200 is a precision data acquisition sound card optimized for test and measurement applications. Designed specifically for use with SpectraPLUS it features fixed gain steps for easy calibration to the transducer sensitivity, IEPE power for accelerometers or microphones, and standard BNC connectors. It is housed in a rugged metal case and powered by USB 3.0.
Excellent Performance
The A/D and D/A converters are state of the art and provide incredible dynamic range and extremely low distortion.
Direct Calibration
The input channels provide 4 fixed gain steps. This allows SpectraPLUS to be calibrated directly to volts, millivolts or to the transducer sensitivity providing quick and accurate calibration for microphones, accelerometers and other sensors.
IEPE Power
Accelerometers, microphones and hydrophones often use IEPE powered sensors; IEPE power is a 4ma constant current supply that is built-in to the input circuitry of the module. It is enabled via the SpectraPLUS software. IEPE is also known as ICP (trademarked by PCB electronics).
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Input Voltage Ranges (software selectable) |
+/-10V, +/-2.5, +/-625mV, +/-156mV |
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Sampling Rate |
Up to 192kHz |
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Sampling Precision |
24 bit |
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Input Channels and connectors |
2 input channels, 2 BNC (single ended) |
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Input Impedance |
1 Meg Ohm |
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IEPE power (software selectable) |
4ma constant current |
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Frequency Response – Inputs |
4 Hz to 92 kHz (-1dB) |
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Frequency Response - Outputs |
4 Hz to 22 kHz (-1dB), 22 kHz to 80 kHz (+/-4dB) |
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Low Frequency cutoff |
2 Hz (-3dB) |
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Total Harmonic Distortion (THD) |
< 0.002% (0.5 Vrms signal level, 2.5 V gain) |
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Spurious Free Dynamic Range |
> 95 dB |
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Noise Floor (terminated inputs) |
< -110 dBVrms |
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Channel Separation |
> 90 dB |
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Output Voltage |
+/-1.4 V (1 Vrms) |
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Output Channels and connectors |
2 output channels (1 BNC mono, 1 3.5 mm stereo jack) |
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Digital I/O |
3 Input, 3 Output (RJ45 connectors) |
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Drivers (Vista/Win7/8/10, x32 and x64) |
MME (Windows Multimedia Extensions) |
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ASIO (Steinberg Audio Stream Input/Output) |
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PC Interface |
USB 3.0 (cable included) |
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Operating Power |
USB 3.0 (650ma at 5V) |
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Input voltage protection |
> +/-30 V |
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Operating Temperature range |
0 to 50 C |
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Dimensions |
5.5 x 3 x 1 in (140 x 77 x 26 mm) |
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Weight |
9 oz (250 grams) |
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Warranty |
1 year |
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