OHAUS PA1502 manuals
PA1502
Table of contents
- Introduction
- Tools and Test Equipment Required
- specifications
- Balance Operation
- Overview of the Display Indicators
- Power On
- The Load Cell
- Connecting the RS232 Interface
- RS232 Commands
- Troubleshooting
- Diagnostic Guide
- Error Codes
- Preventive Maintenance
- Variations in Opening Pioneer Models
- Load Cell Removal and Disassembly
- Disassembly of Precision Balances with Internal Calibration
- Removing Internal Calibration Weights
- Reassembling the Internal Calibration Mechanism
- Proper manner to grasp Load Cell when removing Weight Arm assembly
- Service Fixture, screws and washers for 150g to 310g Precision balances
- Precision Load Cell top
- Position Sensor Board
- Hanger
- Magnets must be clean
- Service Fixture for 510g to 4100g Precision Load Cell, attached to Hanger
- Sideways Motion Stop Plate
- When Position Sensor Board shows normal weight, tighten its screws
- Removing the InCal Mechanism from InCal Analytical Balances
- Bottom Housing with Load Cell, Weight Arms and Weights removed
- Re-Installing Internal Calibration Components
- Disassembling Analytical Load Cells
- Shims are inserted between the Hanger and the Load Cell
- Vertical Flexure and screws, Lock Plate, washers, and bushings, removed
- Hanger with two screws
- Contact Board with 3-wire ribbon cable soldered to it
- A screw connects the Contact Board to the Load Cell
- Position Sensor PC Board Removal/Replacement/Adjustment - Analytical
- Reassembling Analytical Load Cells
- Installing the Magnet Half
- Insert shims between the Hanger and the Load Cell on both sides
- Analytical InCal Load Cell with Top Bracket visible
- Block Style Load Cell
- Progressive Disassembly of Block Style Load Cells
- Internal Calibration Testing
- InCal Mechanism Removal
- InCal Mechanism Installation
- Removing Position Sensor
- Removing the Block Style Load Cell from the Base Plate
- Installing the Block Style Load Cell on the Base Plate
- Removal and Installation of the Block Style Load Cell PC Board
- Load Cell PCB-Temperature Sensor-Position Sensor assembly
- Removing the Ratio Beam on Block Style Load Cells
- Contact Board with cover holder off
- Weight Arm Screws and Washers removed
- Aluminum Sleeves removed
- Installing the Ratio Beam on Block Style Load Cells
- Ratio Beam Vane Slotted Area
- Installing the InCal Weight Arm
- Centering pins in Ratio Beam
- Installing the Load Cell PCB-Temperature Sensor-Position Sensor
- Position Sensor on the Magnet
- Setting the Up/Down Stop Screw on Block Style Load Cells
- Test Masses Required
- Performance Tests
- Off-Center Load Test
- Off-Center Load Adjustment for Precision Models
- Off-Center Load Adjustment for Analytical Models
- Off-Center Load Adjustment for Block Style Models
- Repeatability Test
- Repeatability Worksheet
- Linearity Test
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