The Dxtransmitter unit (SCI)

The compact, lightweight 14g Dx transmitter unit contains complete signal processing and digitization of up to 6 channels and an integrated antenna.

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
Full-bridge2 inputs
Half-bridge4 inputsinternal half-bridge completion
Bridge supply4.096V (max. 40 mA short-circuit proof)13 programmable measurement ranges by remote control
Input range±0,244 mV/V bis ±1000 mV/V
Thermocouple2 differential or 4 single-ended inputstype J, K
Electrical voltage2 differential or 4 single-ended inputs 
Input voltage±1 mV/V bis ±4096 mV/V13 programmable measurement ranges by remote control
Resolution16 bit 
Accuracy0.01% up to 0.025% full scale 
Sampling rate

Dx: max. 4.6 kHz per channel
Dx-HT: max. 5.0 kHz per channel

Anti-aliasing filter6pol Butterworth-characteristics
Voltage input in volt range: One differential input and one single-ended input
Electrical voltage1 differential and 1 single-ended input 
Measurement range±0.011V bis ±45.065V 13 programmable measurement ranges by remote control
Sampling ratemax. 4.6 kHz per channelDx-HT:max. 5.0 kHz per channel
Anti-aliasing filter
cutoff frequency
6pol Butterworth-characteristics 
Additional channels for monitoring:Signal strength, voltage supply and temperature 
Voltage supply of SCT
(signal conditioning & transmitter)
Measurement range 6V up to 41.5 VResolution 10 mV
Temperature of SCTsMeasurement 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 dBmResolution 1 dBm
General data
Voltage supplyInductive 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 transmissionData 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 powermax. 10 dBm 
Max. aggregate sampling rate of entire systemStandard 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 materialPEEKhighly temperature resistant polymer
Dimensionsca. 45 x 25 x 10 mm 
Weightca. 14g