DSHM552 Combined Sidewall Probe (3000M)
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Function： With a good performance of stratum Lithology acquisition, strata division, resistivity, porosity and volume density determination ,makes it a incompensible part of the series probes. valuates the radiate minerals content such as K and U, tell
Specifications：
*Measured parameters: double-spaced
compensated density (DsCD), Natural Gamma, Three direction laterolog, Caliper
and spontaneous potential
compensated density (DsCD), Natural Gamma, Three direction laterolog, Caliper
and spontaneous potential
*Data transmitter: 8-bit
serial output
serial output
Work environment: -10℃ to 70℃
Dimensions:Ф50×2950mm (divided to two
segments)
segments)
Probe weight: ≤28 Kg,
Pressurization: less than 20Mpa
DSCD (double-spaced compensate density log)
Function：
The source relies on oriented-emitting, and explorer uses long- or
short-spaced oriented receiver which is wall-sticking can reduce affect
borehole type to the density measurement.
short-spaced oriented receiver which is wall-sticking can reduce affect
borehole type to the density measurement.
Specifications：
Work source strength: 100mCi137Cs radioisotopes.
Short spacing: 200mm, Long spacing: 350mm
Glimmers body: Nal(T1), Ф23×40mm
Photomultiplier Tube: GDB23
Counting range: 0 to 32000cps
Measurement density range: 1 to 4g/cm3
Measurement relative error: 5%
Stability: work a continual 4-hour (5μCi or C s137 source), and the
output changes less than 5%
output changes less than 5%
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