SPECIFICATIONS Digitizer Module – KEYSIGHT DAQM909A
General technical data | |
| ADC per channel | 800 kSa/s at 24-bit |
| Accuracy | Basic DC voltage accuracy: 0.003% per year. |
| Range | Hi, Lo Input to Earth: 0.3 Vpk, 1 Vpk, 3 Vpk, 18 Vpk Differential input: 0.6 Vpk, 2 Vpk, 6 Vpk, 36 Vpk Differential input – sinewave Vrms: 0.42 Vrms, 1.4 Vrms. 4.2 Vrms, 25 Vrms |
| Residual noise (20 Hz – 20 kHz) | 7 µVrms, 16 µVrms, 52 µVrms, 175 µVrms |
| Sample count | 1 to 16M |
| Trigger count | 1 to 85k |
| Pre-trigger count | 0 to sample count |
| External trigger input (one per module) | TTL compatible |
| External trigger delay | 0 – 1000s, 1 µs steps |
| External trigger latency | 1-sample |
| External Trigger-In terminals | Screw terminal (≥ 20-gage wire) |
| Measurement input terminals | Screw terminal (≥ 20-gage wire) |
| Acquisition memory/channel | 16M to 48M Samples |
| Acquisition bandwidth | Time domain (-3 dB): 0.2*Fs or 125 kHz max Frequency domain (-0.1 dB): 0.4*Fs or 30 kHz max |
| Analog bandwidth (-3 dB) | 125 kHz (measured) |
Keysight DAQM909A: 4-Channel Simultaneous Sampling Digitizer Module
The DAQM909A is a four-channel digitizer module capable of providing four simultaneously-sampled channels with sampling rate as high as 800k samples per second with a maximum resolution of 24 bits. The input channels of the DAQM909A can be configured as a differential input or a single-ended input and each of the channels can provide up to 4mA of constant current to power up an external IEPE transducer.
When three DAQM909A modules are inserted within the same instrument, all 12 channels can be synchronized to provide simultaneous sampling.
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