Syscal Junior
from Iris Instruments
The Syscal Jr is an all-purpose resistivity imaging and sounding system for environmental applications. The system can be supplied as a standard sounding system capable of recording two measurements simultaneously, perfect for performing offset Wenner sounding arrays. The second recording channel significantly improves data acquisition time when the instrument is fitted with internal switching board for 48 (Switch-48) or 72 (Switch-72) electrodes for Electrical Resistivity Tomography (ERT).
The output current is automatically adjusted (automatic ranging) to optimise 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 Switch measures both resistivity and chargeability (IP). With a maximum power output of 100W at 400V the Syscal Jr is suitable for most near surface geophysical prospection applications, such as pollution monitoring and mapping, salinity control, depth-to-rock determination and weathered bedrock mapping. In high resistance environments it may be necessary to use the Syscal Jr’s bigger bother the Syscal Pro.
Product Dimensions
| Physical | Dimensions (L x W x H) | Weight |
|---|---|---|
| Syscal Junior (instrument only) | 31cm x 21cm x 21cm | 10kg |
Technical Specifications
| Voltage: | Up to 400V |
|---|---|
| Current: | 1.250A |
| Power: | 100W off 12V battery |
| Pulse Duration: | 0.25s, 0.5s, 1s, 2s, 4s, or 8s |
| Channels: | 2 recording channels |
| Input Impedance: | 100Mohm |
| Max Voltage (across recording channels): | 15V |
| Protection: | Up to 1000V |
| Accuracy: | 0.5% |
| Resolution: | 1 microV |
| Readings: | Current, Voltage, standard deviation and 20 IP windows (pre-set or selectable) |
| Stacking: | User selectable stack threshold based off measurement standard deviation. |
| Noise Rejection Routines: | 50 & 60Hz noise rejection. SP linear drift correction. |
| Memory: | 21,000 readings, stored on solid state memory. |
| Temperature: | -20 to +70ºC |
Shipping
| Contents | Dimensions (L x W x H) | Weight |
|---|---|---|
|
Case 1
Syscal Junior |
38cm x 30cm x 45cm | 21kg |
|
Case 2
Cables and Electrodes for sounding |
72cm x 49cm x 40cm | 50kg |
Shipping Notes:
Contains Gel Cell Batteries
Data Sheet
- Syscal Junior Datasheet (PDF)
Literature
- Geotomo Resistivity Notes (2015) (PDF 10MB)
- Syscal Sounding Summary (PDF 803KB)
- Syscal Switch Summary (PDF 2MB)
Checklists
- Checklist for Data Storage and Transfer (PDF 249KB)
- Checklist for Data Processing (PDF 190KB)
- Checklist for Field Editing (PDF 244KB)
- Checklist for GPS Operating Procedures (PDF 231KB)
- Checklist for Instrument Storage (PDF 138KB)
- Checklist for Out of Box Equipment Tests (PDF 228KB)
Gallery
Videos
-
Contact Resistance checks before an ERT survey
(Duration - 00:04:52) -
Connecting Electrodes to an Electrical Resistivity Tomography system
(Duration - 00:03:08) -
Cable care for Electrical Resistivity Systems
(Duration - 00:02:59) -
WennerSequence
(Duration - 00:01:50) -
UniqueElectrodes
(Duration - 00:02:16) -
RollSequence
(Duration - 00:03:03) -
DipDipSequence
(Duration - 00:02:32) -
AutoSequence
(Duration - 00:01:34)
