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

Magnetic Susceptibility Probe HM-100

This probes is designed for measurement of magnetic susceptibility of rocks in borehole profile.
The HM-100 is used for measurement in complex of sedimentary rocks, igneous or metamorphic rocks up to low magnetite rocks. The susceptibility is an excellent indicator of lithology.
The probes response is practically instantaneous (<0.5s).

Magnetic Susceptibility Probe HM-100

Probe Parameters

Diameter 100 mm
Length 220 cm
Weight 45.0 kg
Max. Working Temperature/Pressure 125°C/130 MPa
Min. No. of Cable Conductors 2
Supply Voltage Range 30 – 45 VDC
Max./Nominal Current Consumption 100/40 mADC
Supply Voltage Polarity + on central cond.
  − on probe casing

Measuring Parameters

Sensor two coil system
Inter coil Spacing 25 cm
Operating Frequency ≈2 kHz
Communication (negative pulse) 0 – 20 000 cps
Selectable pulse width 4 – 30μsec
Pulse amplitude 5 – 8 VDC
Measuring range 10−5 – 0.5 SI units
Accuracy < 3% F.S.
Zero Drift < 2.10−5 SI units/10°C

Special orders

Customer can make use of two optional outputs:

1. frequency output as described above
2. voltage output 0 – 5 VDC

If required by the customer the chassis of electronics is manufactured to accomodate their communication and power supply modules.

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