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Brand | Guildline |
---|---|
Model | 6675A |
Category | Measuring Instruments |
Language | English |
Provides a general description of the Guildline Model 6675A Automatic Direct-Current-Comparator Resistance Ratio Bridge.
Details the front panel terminals and controls of the 6675A, including input terminals and keypad.
Describes the rear panel connectors and controls, such as chart recorder output, IEEE-488, RS232, and power switch.
Lists general specifications for the 6675A, including operating temperature, humidity, power, dimensions, and weight.
Continues the general specifications, detailing resistance range, linearity, temperature coefficient, and analog/digital output.
Outlines the resistance measurement specifications, including resolution, uncertainty, and noise limits for various ranges.
Details the specifications for temperature measurement, including recommended excitation current, resolution, and uncertainty.
Covers preliminary setup steps, including voltage selector, fuse installation, and power cord connection.
Provides critical safety warnings regarding dangerous voltages and handling of the high voltage output terminal.
Explains the operating procedure, including keypad functions, display areas, and menu navigation.
Describes general key and display operations, including the base menu and its display configuration.
Details basic menu operations, including function key actions and navigation between menu levels.
Describes the title screen displayed upon power-on and the self-test routines.
Explains the main menu structure and navigation, including Measure, Setup, Voltmeter, and Sofcal options.
Provides guidance on measurement operations, including normal, high, low ohms, and thermometry measurements.
Details the hardware and software requirements for the 6675A Data Acquisition software, ResCal™.
Introduces the theory behind the 6675A's microprocessor-based direct-current-comparator bridge design.
Explains the resistance measurement theory, background of the Model 9975, and the 6675A's principles.
Details the nanovolt detector's CPU options, including dip switches and principles of operation.
Describes the available interfacing standards for remote control: IEEE-488 and RS232C.
Explains the IEEE-488 (GPIB) interface, its capabilities, and system connections.
Details the RS232C interface for connecting to controllers or printers, including cable requirements.
Covers the command language used for IEEE-488 and RS232C interfaces, including syntax rules.
Explains the operating states: Local, Remote, and Remote with Lockout.
Lists the required test equipment for calibrating the 6675A, including standard resistors and baths.
Provides steps for calibrating a 1:1 ratio using two 1 Ohm standard resistors.
Details the procedure for calibrating a 1:1 ratio with 10 kΩ resistors.
Outlines calibration procedures for 10:1 ratios using different resistor configurations.
Describes the calibration steps for a 1:1 ratio using 100 MΩ resistors.
Introduces the section on troubleshooting, repair, and alignment of the 6675A.
Lists common error messages and their corresponding corrective measures.
Provides a list of warnings that may appear during operation and recommended corrective actions.
Explains the calibration process for the nanovolt detector, including gain and offset adjustments.
Details the general procedure for disassembling the 6675A to access internal modules.
Outlines the procedure for reassembling the 6675A after disassembly.
Provides information to help localize faults to sub-assemblies or discrete components.
Details procedures for checking power supply voltages and noise levels on various PCBs.
Covers the alignment procedures, including required test equipment and initial checks.