Syscal R1Plus

Syscal R1 Plus

The Syscal R1 plus is designed for medium depth applications, featuring a powerful transmitter and 2 measuring channels in a compact design.

Data acquisition is fully automated with automatic self-potential correction and ranging, digital stacking for signal enhancement, and real time error display. The internal memory can store all required information (intensity, voltage, resistivity, chargeability, geometrical parameters and station number).

The Syscal R1 plus switch is equipped with switching cards that can efficiently operate 24 (Switch-24) up to 72 (Switch-72) electrodes rendering ideal for electrical resistivity imaging (ERI) applications.

For imaging applications, Iris Instruments proposes different standard heavy-duty multi-core cables (5 traces – 10m, 10 traces – 5m and 10 traces – 10m). Customized cables may also be assembled for special arrays or non-standard applications.
Measurement sequences can be configured through the instrument interface or via the PC software Electre Pro (provided with the Syscal). Electre Pro enables operators to develop and interrogate 2D, 3D, downhole and roll long sequences prior to heading into the field, helping to minimize potential data collection errors. The measured data can be downloaded and processed before inversion via the PC software (Prosys II, provided with the Syscal).

Common applications

  • Civil engineering

  • Hydrogeology

    • Depth to aquifer, aquifer thickness, salinity control

  • Environmental

    • Contaminant transport, monitoring and characterization

  • Geological

    • depth-to-bedrock determination, weathered bedrock characterization, clay-gravel identification

Transmitter Syscal R1 + Syscal R1 + Switch
Voltage0 – 1200 Vpp0 – 1200 Vpp
Current0 – 2500 mA0 – 2500 mA
PowerAuto controlled internal 250 W DC/DC converterAuto controlled internal 250 W DC/DC converter
BatteryInternal battery or external 12 VInternal battery or external 12 V
Receiver Syscal R1 + Syscal R1 + Switch
Pulse duration250 ms, 500 ms, 1 s, 2 s, 4 s, 8 s250 ms, 500 ms, 1 s, 2 s, 4 s, 8 s
Channels2 channels2 channels, 24 / 48 / 72 switch
Input Impedance100 MΩ100 MΩ
Input Voltage19 V, automatic gain, input protection 1000 V15 V, automatic gain, input protection 1000 V
ReadingsResistivity, Self Potential, Induced Polarization (up to 20 windows), Quality control, optional full waveformResistivity, Self Potential, Induced Polarization (up to 20 windows), Quality control, optional full waveform
Resolution / Accuracy1 µV / 0.2 %1 µV / 0.2 %
General Syscal R1 + Syscal R1 + Switch
Noise ReductionPower line rejection, SP linear drift correctionPower line rejection, SP linear drift correction
Storage44 800 readings, stored on solid-state memory44 800 readings, stored on solid-state memory
Weight9.8 kg (internal Rx / Tx batteries)10 – 12.5 kg (internal Rx / Tx batteries)
Operating Temperature–20 °C to +70 °C–20 °C to +70 °C
GeneralFiberglass, weather-proof casingFiberglass, weather-proof casing
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