Table of Contents
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Table of Contents
Related Manuals for norbar TST 25
Summarization of Contents
Section 1: Introduction to Norbar Instruments
1.1 Scope of the Service Manual
Defines the service, calibration, and upkeep scope for Norbar instruments covered by this manual.
1.2 Hidden Features and Limitations
Details hidden features for setup/calibration and specifies manual's limitations regarding content.
1.3 Shipping, Disposal, and Abbreviations
Covers shipping repackaging, disposal considerations, and common abbreviations used in the manual.
Section 2: Instrument Testing Procedures
2.1 Testing Scope
Details tests for TST, TTT & TTL instruments to ensure functionality without opening the case.
2.2 Tests to Complete
Lists tests including visual inspection, power supply, inputs, menus, and outputs for instrument verification.
Section 3: Instrument Calibration Check
3.1 Calibration Check Scope
Details the method for checking TST, TTT & TTL calibration using a digital voltmeter for traceability.
3.2 Required Equipment for Calibration
Lists essential equipment for calibration: specific digital voltmeters and a test fixture.
3.3 Calibration Considerations
Outlines environmental conditions and preparation steps for accurate instrument calibration.
3.4 Instrument Calibration Procedure
Provides step-by-step procedure for connecting, setting zero, and performing calibration checks on instruments.
Section 4: Transducer Calibration
4.1 Transducer Calibration Scope
Explains how to calibrate SMART transducers (external and internal) using TST, TTT or TTL instruments.
4.2 Required Equipment for Transducer Calibration
Lists items needed: instrument, calibration beams, weights, and transducer lead.
4.3 Transducer Calibration Considerations
Outlines environmental and warm-up conditions for accurate transducer calibration.
4.4 As Found and As Left Calibration
Describes taking 'as found' results and making adjustments for 'as left' calibration results.
4.5 Transducer Calibration Procedure
Provides a simplified procedure for calibrating all torque transducers, including setup and 'as found' steps.
Section 5: Instrument Operation
5.1 Operation Scope
Explains TST / TTT / TTL instrument operations not covered in the operator's handbook.
5.2 General Description of Operation
Describes the front panel module, power supply, and signal processing within the instrument.
5.3 Setting and Resetting Stored Data
Details recording, transferring, re-initializing, and setting up external/internal transducers.
5.4 Special Features Not in Handbook
Covers features like power down time and holding the display logo, not detailed in the operator's handbook.
5.5 Voltage Compensation and Limits Off Signal
Details voltage excitation compensation and limits off signal features for enhanced instrument functionality.
Section 6: Repair Procedures
6.1 Repair Scope
Explains the procedures for repairing the TST / TTT / TTL instruments.
6.2 Replaceable Parts and Serviceability
Discusses parts, front panel serviceability, and transducer shaft replacement.
6.3 Removing and Replacing the Front Panel
Details the procedure for safely removing and replacing the instrument's front panel.
6.4 Internal Settings Adjustment
Covers adjustment of potentiometers for instrument zero and display contrast, and switch settings.
6.5 Internal Connections
Details PAD connections from the front panel to the connector PCB for TST, TTT, and TTL.
6.6 External Connectors and Pinouts
Details pin connections for transducer, serial port interface, and ancillary ports.
6.7 Error and Warning Messages
Lists error and warning messages with corresponding messages and comments for troubleshooting.
Section 7: Parts Lists
7.1 Parts List Scope
Provides a list of items used in the manufacture of TST, TTT & TTL instruments.
7.2 Parts List for TST 2
Lists all parts required for the TST 2 model (Model No. 43212).
7.3 Parts List for TST 10
Lists all parts required for the TST 10 model (Model No. 43213).
7.4 Parts List for TST 25
Lists all parts required for the TST 25 model (Model No. 43214).
7.5 Parts List for TST 2 Rundown Assembly
Lists parts for the rundown assembly for TST 2 (Model No. 50539).
7.6 Parts List for TST 10 Rundown Assembly
Lists parts for the rundown assembly for TST 10 (Model No. 50540).
7.7 Parts List for TST 25 Rundown Assembly
Lists parts for the rundown assembly for TST 25 (Model No. 50541).
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