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Technical Specification
| TRMS | |
| Accuracy: | 0.1% of fin. val. ± 2 digits |
| Sampling rate: | 1kHz |
| Resolution: | 12 bit, ± 2048 digits for Uss |
| Frequency range: | 20.0 … 250Hz |
| Meas. period/transient time: | 0.5s |
| Frequency | |
| Accuracy: | ± 0.1Hz |
| Sampling rate: | 1kHZ |
| Resolution: | 0.1Hz |
| Sensitivity: | 10% of final value |
| Frequency range: | 20.0 … 250Hz |
| Meas. period/transient time: | 0.5s |
| Electrical isolation: | 1kV permanent, 4kV for 1s |
| Housing: | polystyrene, dim. L 100 x W 54 x H 31mm |
| Sockets: | touchproof, Ø 4mm |
| Operating voltage: | 6 … 14V through ALMEMO® device |
| Current consumption: | < 40mA (connector and module) |
Technical Features
- Independent, full digital acquisition of the true/effective values of an AC variable.
- Measuring signals with any course of a curve are digitised with 1kHz.
- Pure digital data transmission to the measuring instrument.
- Acquisition of the frequency through a second measuring channel.
- Connector sockets electrically isolated and overvoltage protected.
Variant Information
| Meas. Range | Resolution | Peak | Overload | Internal Resistance | Order No. |
| 130.0mV eff | 0.1mV | 0.2V | 400V | 0.5MΩ | ZA9903AB1 |
| 1.300V eff | 1mV | 2V | 400V | 0.8MΩ | ZA9903AB2 |
| 13.00V eff | 10mV | 20V | 500V | 1MΩ | ZA9903AB3 |
| 130.0V eff | 0.1V | 200V | 500V | 1MΩ | ZA9903AB4 |
| 400V eff | 1V | 1000V | 100V | 4MΩ | ZA9903AB5 |
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