TABLE OF CONTENTS
Valor
™ 2000/4000 Series Service Manual
ii
Ohaus Corporation www.ohaus.com
CHAPTER 4 TESTING
4.1.
Testing .....................................................................................................................4-1
4.1.1 Test Masses Required ......................................................................................4-1
4.2
Operational Test ......................................................................................................4-1
4.3
Segment Display Test ..............................................................................................4-1
4.4.
Performance Tests ...................................................................................................4-2
4.4.1 Precision Test ...................................................................................................4-2
4.4.2 Repeatability Test .............................................................................................4-3
4.4.3 Linearity Test ....................................................................................................4-5
4.4.4 Off-Center Load Test ........................................................................................4-5
4.4.5 Adjusting Off Center Load .................................................................................4-6
CHAPTER 5 DRAWINGS AND PARTS LISTS
5-1 Valor 4000PW Scale: Housing & Internal Parts ........................................................5-2
5-2 Valor 4000XW Scale: Housing & Internal Parts ........................................................5-4
5-3 Valor 2000PW Scale: Housing & Internal Parts ........................................................5-6
5-4 Valor 2000XW Scale: Housing & Internal Parts ........................................................5-8
Appendix A STANDARD CALIBRATION
A.1
Calibration ............................................................................................................... A-1
A.2 Setup and Calibration .............................................................................................. A-2
Appendix B SERVICE CALIBRATION
B.1
Service Menu Structure ........................................................................................... B-1
B.2
Entering the Service Menu ...................................................................................... B-1
B.3
Ramp Menu ............................................................................................................ B-2
B.4
Service Linearity Calibration .................................................................................... B-2
B.5
Service Span Calibration ......................................................................................... B-3
B.6
Capacity Menu ........................................................................................................ B-3
B.7
S.Unit ...................................................................................................................... B-4
B.8
Expand Menu .......................................................................................................... B-4
B.9
Reset Menu............................................................................................................. B-4
B.10 End Menu ............................................................................................................... B-4
LIST OF TABLES
TABLE NO.
TITLE
Page No.
1-1
Specifications
– Valor 4000 .................................................................................1-2
1-2
Specifications
– Valor 2000 .................................................................................1-2
1-3
Controls Functions Valor 4000 .............................................................................1-3
1-4
Battery Charge Status .........................................................................................1-4
1-5
Menu Structure ....................................................................................................1-5
1-6
Controls Functions Valor 2000 .............................................................................1-6
1-7
Battery Charge Status .........................................................................................1-7
2-1
Load Cell Resistance Readings (in Ohms) ..........................................................2-2
2-2
Color Code for Load Cell Wiring ..........................................................................2-2
2-3
Load Cell Output Readings (in mV with 3.3V Excitation) ......................................2-3
2-4
Diagnostic Guide .................................................................................................2-6
3-1
Mounting Bolt Torque Settings .............................................................................3-5
3-2
Overload Stop Gap Settings ................................................................................3-6
4-1
Test Mass Values ................................................................................................4-1
4-2
Repeatability Worksheet ......................................................................................4-4
Summary of Contents for VALOR 4000
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