DT9837 Series USB Modules for Sound and Vibration Analysis
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Benefits of the DT9837 Series High-Accuracy Dynamic Signal Acquisition Modules
- 4 simultaneous 24 bit analog inputs, IEPE supported, and one tachometer input.
- Ideal solution for portable noise, vibration, and acoustic measurements.
- Reliable BNC connectors for all I/O channels.
DT9837 Series USB Modules for Sound and Vibration Analysis
Models DT9837 (6069-410-142), DT9837A (6069-410-041), DT9837B (6069-410-048) With 4 Simultaneous Channel 24 bit ADC
The modules of the DT9837 series are high-accuracy dynamic signal acquisition boxes for Windows-PC/USB. The are an ideal solution for portable noise, vibration, and acoustic measurements. Four 24-bit IEPE (ICP) sensor inputs are synchronized with a tachometer input (depending on model) to provide data streams that are matched in time, for field and laboratory use. The DT9837 are rugged, compact, USB-powered modules for stationary as well as portable measurement applications.
- Four simultaneous analog input channels.
- 24 bit Delta-Sigma A/D converters for high resolution measurements.
- Support for IEPE (Integrated Electronic Piezoelectric) inputs, including use of a 2 mA or 4 mA current source and AC or DC coupling.
- Up to 105.4 kS/s sample rate per channel.
- Input range ±10 V with software-selectable gains x1 and x10 for an effective input range of ±10 V and ±1 V, respectively.
- Return the value of tachometer counter 0 in the analog input data stream, to measure the period or frequency of the tachometer input signal synchronously with analog input measurements.
- DT9837A, DT9837B: Read the value of tachometer counter 1 in the analog input data stream, allowing you to precisely correlate tachometer measurements with analog input measurements.
- DT9837B: Read the value of gate counter 2 in the analog input data stream, allowing you to precisely correlate gate input measurements with analog input measurements.
- DT9837A: Support for reading analog output values in the analog input data stream, allowing you to correlate input and output values.
- Software-programmable trigger source (software trigger, external digital trigger, or analog threshold trigger) to start the analog input operation./li>
- Internal clock source (shared between the analog input and analog output subsystems).
- DT9837A and DT9837B: RJ45 synchronization (LVDS) connector for synchronizing acquisition on up to four modules.
- BNC connectors for all channels.
- USB 2.0 connectivity to a Windows-PC, USB-powered.
Model Overview
Model | DT9837 (6069-410-142) - EOL/obsolete | DT9837A (6069-410-041) | DT9837B (6069-410-048) | |
Analog inputs | Number | 4, single-ended, simultaneous channels | ||
A/D conversion | 24 bit, 52.6 kS/s | 24 bit, up to 105.4 kS/s | ||
Range | ±10 V with software-selectable gains of 1 and 10 for an effective input range of ±10 V and ±1 V, respectively | |||
High-pass filter | 0.5 Hz | 0,1 Hz | 0,5 Hz | |
AC/DC coupling | ✓ | ✓ | ✓ | |
Current source | 4 mA | |||
A/D threshold trigger | Fixed | Programmable | ||
Tachometer | ✓ 1 channel | ✓ 1 channel | ✓ 1 channel | |
Analog output readback | - | ✓ | - | |
Analog output | Number | 1 channel, single value; buffer mode | 1 channel, waveform streaming; buffer mode, streaming mode | - |
D/A conversion | 24 bit, 46.875 kS/s (fixed) | 24 bit, 52.7 kS/s | - | |
Range | ±10 V | ±10 V, ±3 mA output current | - | |
Trigger types | Software trigger | Software trigger, external digital trigger, or analog threshold trigger | - | |
Multiple module synchronization | - | ✓ RJ45 synchronization (LVDS) | ||
Connecitivity | USB | USB 2.0; USB-powered | ||
Analog inputs | 3x BNC and 1x BNC for tachometer input channel | |||
Analog outputs | 1x BNC and 1x BNC for external trigger | - |
Included: Module DT 9837, 98137A, or 9837B, software and user manual via download.