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  1. Functions: Measuring resistivity, induced polarization on land for basic geological investigation, mineral investigation and assessment; Engineering geology; Geological hazard.
  2. Manufactured by: IRIS INSTRUMENTS – France
  3. Year of production: 2006
  4. Webiste: hptts:\\www.iris-instruments.com

5.1.Transmitter 250 W DC/DC

– Power: 12V DC

– Output Voltage – Current:

100 V – 2.50 A max.

200 V – 1.25 A max.

400 V – 0.62 A max.

Dimensions ( L x W x H) 31 x 21 x 21 cm.

Weight: 5Kg

5.2. Transmitter 1200 W AC/DC

– Power: 220V AC (supplied by a standard motor generator).

Voltage:  0 – 1600 Vpp

Current: 0 – 2500 mA

5.3. Receiver

Pulse duration: 250ms, 500ms, 1s, 2s, 4s, or 8s

Channels: 2 channels

Input Impedance: 100 MOhms

Input Voltage: 15V, automatic gain, input protection 1000V

Resolution / Accuracy: 1 µV / 0.2%

Readings: Resistivity, Self potentiel, Induced polarisation ( Up to 20 windows), Quality control, and optional full waveform

Noise Rejection: power line rejection, SP linear drift correction.

Storage: 44800 readings, up to 8 hours full waveform , stored on solid state memory

Dimensions ( L x W x H) 31x21x21cm Fiber glass casing, weather proof,

weight: 5.2Kg with internal battery

Operating Temp.: -20 to +70°C


Multi-Electrode accessory for an automatic switching of the electrodes. This allows to realize some high acquisition speed profiling. A Multinode box is able to drive up to 16 electrodes

6. Some projects used Electrical Equipment SYSCAL–R2 by the Geophysical Division:

– Project: Detaile investigation of aviation magnetic anomalous bands in Cao Bang – That Khe area to look for iron ores;

– Project: “Investigation and detail Investigation aviation magnetic anomalous bands in the area of Thuong Giap, Tuyen Quang province”.

– Project “Investigation and overall assessment of potentiality of magnesite, dolomite and wolastonite in Tay So Ro region, Kon Chro district, Gia Lai province”.

– Scientific research contract: “Using electric measurement method to look for underground water in 06 provinces of the Kingdom of Cambodia”.

And many other works.

                                                                                                                                             Source: Geophysical Division./.


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