Syscal Junior

Syscal Junior

The Syscal Junior is an all-purpose resistivity imaging and sounding system. It features 2 measuring channels, allowing for the recording of two simultaneous measurements. The output current is automatically adjusted (automatic ranging) to optimize the input voltage values and ensure the best measurement quality. The system is designed to automatically perform pre-defined sets of resistivity measurements with roll-along capability.

Compact, easy-to-use and field proof, the Syscal Jr measures both resistivity and chargeability (IP). With a maximum power output of 100W at 800Vpp, the Syscal Jr is suitable for most near surface geophysical prospection applications, such as pollution monitoring, salinity control, depth-to-rock determination, weathered bedrock imaging and shallow groundwater exploration (depth and thickness of aquifers).

The Syscal Jr comes also in a switch version outfitted with internal switching capability for automated electrode switching [24 (Switch-24) 48 (Switch-48) or 72 (Switch-72)] significantly reducing acquisition time. Syscal Jr switch is recommended for electrical resistivity imaging (ERI) applications.

Transmitter Syscal Junior Syscal Junior Switch
Voltage0 – 800 Vpp0 – 800 Vpp
Current0 – 1250 mA0 – 1250 mA
PowerAuto controlled internal 100 W DC/DC converterAuto controlled internal 100 W DC/DC converter
BatteryInternal battery or external 12 VInternal battery or external 12 V
Receiver Syscal Junior Syscal Junior 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 Voltage15 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 Junior Syscal Junior 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)11 kg (internal Rx / Tx batteries)
Operating T°–20 °C to +70 °C–20 °C to +70 °C
GeneralFiberglass, weather-proof casingFiberglass, weather-proof casing
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