Products

Borehole Logging Systems

Induction Conductivity

H3I-453
H4I-453
HI-381
HI-453, HI-453E
HI-453F
HII-383
HII-453

Magnetic Susceptibility

HM-453, HM-383, HM-320
HM-453E, HM-383E
HM-100
HMM-453
HMG-453

Combined probes

HMI-453, HMI-453E

Other probes

HC-380
HC-380C
HC-453, HC-453a
HC-454
HRT-381
HF-380
HGSPR-380
HF-500
HN-453
HFN-381
HGG-453
HDG-453
HLG-382

Other products

BHC-200
Geo set HDS-600
Portable Winches
Portable Logging System
Cameras

Accessories

AH-30, AH-150

Logging instruments

Triple Induction Conductivity Probe H3I-453

The probe H3I-453 is designed for measurement of electrical conductivity of rocks in boreholes. High stability and exceptionally wide dynamic range are giving you possibility to carry on precise measurements of conductivity of sand-clay layers and also mineralized water-soaked sands. Thanks to the induction method applied the probe can be used in water filled, dry or plastic cased boreholes. The 30 cm channel is used to minimize the impact of the disturbed zone of the borehole wall on the measurement results. The response is practically instantaneous (<0.5s).

Triple Induction Conductivity Probe H3I-453

Probe Parameters

Diameter 45 mm
Length 180 cm
Weight 7.0 kg
Max. Working Temperature/Pressure 75°C/15 MPa
Min. No. of Cable Conductors 2
Supply Voltage Range 30 – 45 VDC
Nominal Current Consumption 100/150 mADC
Supply Voltage Polarity + on central cond.
  − on probe casing

Measuring Parameters

Sensor four coil system
Intercoil Spacing 30, 50 and 80 cm
Operating Frequency ≈100 kHz
Communication (negative pulse) 0 – 20 000 cps
Conductivity range 1 mS/m – 3 000 mS/m
Accuracy < 3% F.S.
Stability of Zero < 0.5 mS/m/10°C

Special orders

Probes of diameter 38 mm can also be manufactured upon special order. Their measuring parameters are similar to those stated above.

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