Test Sample Resistivity Measurements - QuadTech 1865 Instruction Manual

3.2

Test Sample Resistivity Measurements

The 1865 can be used for measuring the resistivity of test samples as described by ASTM
Standard D 257, which describes in detail the techniques for both surface and volume
resistivity measurements. The 1865-11 Test Cell is shown in Figure 3-1
Front
1865 QuadTech
Megohmmeter
Megohmmeter
1865
IR Tester
+
Rear
1865-11
Test Fixture
Inside
1865-11
Test Fixture
Top
Electrode
Bottom
Electrode
Guard
Electrode
Figure 3-1: 1865-11 Surface Plate Test Sample Cell
Page 74 of 87
DISPLAY
RESISTANCE
!
CAUTION
HIGH VOLTAGE
2.620MΩ
-
GUARD
Push Button
Lock
Open/Close Fixture
SELECT ENTRY
1865-11: Surface Plate Sample Test Fixture
Max Sample Thickness: 8mm
Max Sample Size: 100mm x 100mm
Function
Switch
FUNCTION
Ring
REST
Rv Rs
V
TEST
STOP
START
0 1
Outer Ring Electrode:
80mm
Inner Ring Electrode:
70mm
Bottom Electrode
50mm
Top Electrode
Sample
Ring
Bottom Electrode
g
Applications