Agilent Technologies 16048A Specifications Page 76

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16008B Resistivity Cell
Terminal Connector:
* Interlock Connector enables and disables the
application of source voltage from the measure-
ment instrument.
DUT Connection: 2-Terminal (with triaxial cable)
Dimensions (approx.): 240(W) x 180(H) x 240(D) [mm]
Cable Length (approx.): 1.2 m (connector to electrodes)
Weight (approx.): 7000 g
72
DC (High resistance) Material
Description: The 16008B is designed to operate specifi-
cally with 4339B. It is used to measure surface or volume
resistance/resistivity of insulation materials. The follow-
ing figures show the block diagrams of resistivity mea-
surements.
Volume resistivity is measured across the material (MUT)
by the unguarded and guarded electrodes. Surface resistiv-
ity, on the other hand, is measured along the surface of the
MUT (between the guarded and the unguarded electrodes).
Notice that the role of the guard and unguarded electrodes
switch, when measuring volume and surface resistivity.
16008B is provided with three different electrode sizes to
meet size requirements by different measurement stan-
dards. The guarded electrode eliminates measurement
errors due to the edge effect and arbitrary contact pres-
sure can be applied to the material under test. It is also
equipped with a high-voltage protection cover to shut off
power when opened.
Applicable Instruments: 4339B
Frequency: DC
Maximum Voltage: 1000 V
Maximum Current: 10 mA
Resistance Measurement Range:
Volume Resistivity Measurement Range:
up to 4.0 x 10
18
Ωcm
Surface Resistivity Measurement Range:
up to 4.0 x 10
17
Ω
Operating Temperature: -30°C to +100°C (excluding
selector switch)
Material Size: Select an electrode so that outer diameter
of guarding electrode is smaller than the DUT’s diameter.
See figure and table below for more details:
Volume resistivity measurement Surface resistivity measurement
Electrode sizes and applicable material sizes
Type Connector
Input Triaxial (special screw-type)
Output High Voltage BNC (special type)
Control Interlock connector*
D1 D2 D3 Ordering information D
Main Electrode Guard Electrode Guard Electrode _____ Material Size
(Inner Diameter) (Outer Diameter)
26 mm 38 mm 48 mm
Supplied with Opt.16008B-001/002
50 mm* to 125 mm
50 mm 70 mm 80 mm Standard - equipped 82 mm* to 125 mm
76 mm 88 mm 98 mm
Supplied with Opt.16008B-001
100 mm* to 125 mm
* Outer Diameter of Guard Electrode + 2 mm
Thickness: 10µm to 10 mm
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