Unitek MICROPULL IV MP4/115 Operation And Maintenance Manual page 69

Table A-1. Beam Specification
Full Scale
Model
g-f N
B10 10 0.1
B100 100 1
B1000 1000 10
Model B100R is a manually rotatable hook version of B100
NOTE: Many specifications require that the hook diameter be approximately 2.5 times that
of the wire being tested.
Model Weight
(g)
BH3 0.1
BH5 0.1
BH8 0.1
BH12 0.1
BH20 0.1
BH30 0.1
BH3R 0.1
BH5R 0.1
BH8R 0.1
* See figure A-1
990-180
Maximum
Range (gf)
Deflection (in.)
0.5 – 12.00
1 – 120.0
40 – 1,200
Table A-2. Hook Specifications
Diameter Maximum
(in.) Pull (g-f)
0.003
0.005
0.005 125
0.012 300
0.020 850
0.030 2000
0.003
0.005
0.008 125
®
MICROPULL IV WIRE BOND PULL TESTER
CHAPTER 1: SYSTEM DESCRIPTION
0.24
0.24
0.24
Dimension A*
(in.)
20 0.007
30 0.011
0.015
0.025
0.040
0.050
20 0.007
50 0.011
0.015
Shaft
for all
Largest
BH30
1000 gram
(Dimension
total
shown in
table 1-4)
Combined
holder and
Figure A-1. 1000g Beam
Hook and Calibration
System
Dimension B*
(in.)
2 B10, B100
2 B10, B100
2 B10, B100
¾
¾
¾
2
2
2
B
A
98 g
Used On
B1000
B1000
B1000
B100R
B100R
B100R
A-3