CHAPTER 2 DIAGNOSIS
Ohaus Corporation www.ohaus.com
2-8
EB Series Scales Series Service Manual
2.7.2 Excitation and Output Voltage Test
continued
Note:
Table 2-10 indicates typical readings. Actual values can vary, but should remain
linear throughout the entire range.
If readings are out of tolerance, replace the Load Cell. See Section 3.4 or 3.5 for Load Cell
replacement.
TABLE 2-10. LOAD CELL OUTPUT READING.
NOMINAL OUTPUT IN MILLIVOLVTS AT 5 VOLTS EXCITATION
CAPACITY
NO LOAD
50%
100%
3 kg
6 kg
15 kg
30 kg
2.7 ±1.5
1.9 ±1.5
1.2 ±1.5
0.5 ±1.5
no load + 3.2
no load + 4.4
no load + 5.2
no load + 4.9
no load + 6.4
no load + 8.8
no load + 10.3
no load + 10.4
Note: Wiring connections are different
in Version 1 and Version 2.
(V2 introduced in Fall 2009.)
AC ADAPTER
CONNECTOR
TO POWER
SWITCH
Main PCB: VERSION 1
Figure 2-2. EB Interconnections: Version 1.
Note: Wiring connections are different
in Version 1 and Version 2.
(V2 introduced in Fall 2009.)
Main PCB: VERSION 2
AC ADAPTER
CONNECTOR
TO POWER
SWITCH
Figure 2-3. EB Interconnections: Version 2.
Summary of Contents for EB SERIES
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