The Dx transmitter unit (SCT)
The compact, lightweight 14g Dx transmitter unit contains complete signal processing and digitization of up to 6 channels and an integrated antenna.
One telemetry for various signals
Gone are the times in which a separate transmitter unit is needed for each sensor type. The Dx transmitter unit has universal signal conditioning that supports different types of sensors.
Temperature
Strain gauge
Voltage
Wide temperature range
Whether hot or cold: The Dx transmitter unit works reliably in a wide temperature range.
Standard from -40 °C to +85 °C and with the extended temperature range from -40 °C to +125 °C.
Technical data
| Voltage input in millivolt range: | Two differential inputs or four single-ended inputs | |
|---|---|---|
| Parameter | Value | Comments |
| Full-bridge | 2 inputs | |
| Half-bridge | 4 inputs | internal half-bridge completion |
| Bridge supply | 4.096V (max. 40 mA short-circuit proof) | short-circuit proof max. 2 full-bridges or 4 half-bridges each 350 Ω max. 1 full-bridges or 2 half-bridges each 120 Ω |
| Input range | ±0,244 mV/V to ±1000 mV/V | 13 measurement ranges can be set |
| Thermocouple | 2 differential or 4 single-ended inputs | type J, K |
| Electrical voltage | 2 differential or 4 single-ended inputs | |
| Input voltage | ±1 mV bis ±4096 mV | 13 measurement ranges can be set |
| Resolution | 16 bit | |
| Accuracy | 0.01% up to 0.025% full scale | |
| Sampling rate | Dx: max. 4.6 kHz per channel | |
| Anti-aliasing filter cutoff frequency | 6pole Butterworth-characteristics 1/5 of sampling rate | cuttoff frequency 1/5 of sampling rate |
| Voltage input in volt range: | One differential input and one single-ended input | |
| Parameter | Value | Comments |
| Electrical voltage | 1 differential and 1 single-ended input | |
| Measurement range | ±0.011V to ±45.065V | 13 measurement ranges can be set |
| Sampling rate | max. 4.6 kHz per channel | Dx-HT:max. 5.0 kHz per channel |
| Anti-aliasing filter cutoff frequency | 6pole Butterworth-characteristics 1/5 of sampling rate | |
| Additional channels for monitoring: | Signal strength, voltage supply and temperature | |
| Parameter | Value | Comments |
| Voltage supply of SCT (signal conditioning & transmitter) | Measurement range 6V up to 41.5 V | Resolution 10 mV |
| Temperature of SCTs | Measurement range: for Dx: -30 °C to +100 °C, for Dx-HT: -30 °C to +150 °C | Resolution 0.034 °C |
| Signal strength measurement range | -99 dBm to -10 dBm | Resolution 1 dBm |
| General data | ||
| Parameter | Value | Comments |
| Voltage supply | Inductive supply with stator head or stator ring or DC-supply 7 V to 39 V | |
| Temperature range | Dx: -40 °C to +85 °C Dx HT: -40 °C to +125 °C | |
| Data transmission | Data packages with error detection | |
| Transmission frequency | Dx: 13 frequencies in the 868 MHz band / Dx HT: 17 frequencies in the 2.4 GHz band | freely adjustable via remote control - allows parallel operation of multiple systems |
| Transmission power | max. 10 dBm | |
| Max. aggregate sampling rate of entire system | Standard Dx: 1 SCT: 4.6 kHz 2 SCTs: 7.2 kHz 3 SCTs: 3.0 kHz 4 SCTs: 4.0 kHz | Dx HT: 1 SCT: 5.0 kHz 2 SCTs: 8.0 kHz 3 SCTs: 3.6 kHz 4 SCTs: 4.8 kHz |
| Housing material | PEEK | highly temperature resistant polymer |
| Dimensions | ca. 45 x 25 x 10 mm | |
| Weight | ca. 14 g | |
