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The Endevco® model 133 is a three-channel, Piezoelectric and Isotron signal conditioner that is manually or computer programmable.
Features
- Three-channel PE/Isotron® signal conditioner
- 100 kHz bandwidth (-3dB Corner)
- Built-in 4-pole Butterworth high-pass filter with optional corner frequencies
- Gain range 0 to 1000
- RS-232 serial interface
- 12 VDC power option
- Meets filter requirements of J211 and ISO 6487
Specifications
| Inputs |
| Piezoelectric | Single-ended with one side connected to signal ground |
| Maximum charge input | ≤ 10 000 pC |
| Source resistance | > 10 Meg ohms |
| Source capacitance | < 30 000 pF |
| Isotron | Single-ended with low side connected to signal ground |
| Constant excitation current | Off, 4 mA or 10 mA, one range is valid for all 3 channels selectable through front panel or RS-232 |
| Accuracy | ± 15% |
| Compliance voltage | < 22 VDC |
| Maximum input voltage | < 22 Volts (AC + DC components) |
| Input impedance | 100 M ohms and 33 000 pF |
| Outputs |
| AC voltage | Single ended with one side connected to output signal ground. Signal proportional to input. |
| Maximum linear output | 10 Vpk minimum |
| Display non-linearity | Inherent error 1% of full scale reading Inherent error 1% of full scale reading |
| Maximum current output | 10 mA (10 V into a 1 k ohms load) |
| DC offset | 15 mV maximum |
| Protection | Short circuit protected |