Manual d'usuari del multímetre de taula digital Keithley 2000

1. Introducció

The Keithley Model 2000 is a 6½-digit bench digital multimeter designed for high-performance measurement applications. It utilizes advanced A/D converter technology to provide fast, accurate, and stable measurements. This manual provides essential information for the safe and effective operation of your Keithley 2000 multimeter.

2. Informació de seguretat

ADVERTIMENT:

• Always connect the protective earth terminal of the instrument to the protective earth of the AC power supply through the supplied power cord.
• Do not operate the instrument in an explosive atmosphere or in the presence of flammable gases or fumes.
• Ensure all connections are secure before applying power or making measurements.
• Observe all terminal ratings and maximum input voltages specified on the instrument.
• Refer all servicing to qualified personnel. There are no internal operator serviceable parts.

3. Producte acabatview

3.1 Tauler frontal

The front panel of the Keithley 2000 features the display, function buttons, input terminals, and power switch.

Imatge: Frontal view of the Keithley 2000 Digital Bench Multimeter, showing the display, control buttons, and input terminals.

• Visualització: Shows measurement readings and instrument status.
• Botons de funció: Select measurement types (DCV, ACV, DCI, ACI, Ω, Freq, Temp, etc.).
• Terminals d'entrada: Red (HI) and Black (LO) terminals for voltage and resistance measurements, and dedicated terminals for current measurements.
• Interruptor d'alimentació: Encén o apaga l'instrument.

3.2 Panell posterior

The rear panel provides connections for power, communication interfaces, and fuse access.

Imatge: Part posterior view of the Keithley 2000 Digital Bench Multimeter, showing power input, GPIB, RS-232, and trigger link ports.

• Entrada d'alimentació de CA: Per connectar el cable d'alimentació.
• GPIB/RS-232 Ports: For remote control and data transfer.
• Trigger Link: For synchronizing with other instruments.
• Portafusibles: Contains the main power fuse.

3.3 Optional Scanner Cards

The Model 2000 supports optional scanner cards for multiplexing up to 20 different input signals, enabling multipoint measurement applications.

Image: An optional scanner card, which can be installed in the Keithley 2000 to expand its input capabilities for multipoint measurements.

4. Configuració

4.1 Connexió d'alimentació

1. Ensure the power switch on the front panel is in the OFF position.
2. Connect the supplied AC power cord to the power input receptacle on the rear panel.
3. Connecteu l'altre extrem del cable d'alimentació a una presa de corrent de CA amb connexió a terra.

4.2 Engegada inicial

1. Press the power switch on the front panel to the ON position.
2. The instrument will perform a self-test and display its firmware version.
3. Once the self-test is complete, the multimeter will be ready for operation.

5. Instruccions de funcionament

The Keithley 2000 offers 13 built-in measurement functions. This section covers basic operation for common measurements.

Imatge: Anglesa view of the Keithley 2000 Digital Bench Multimeter, highlighting the clear digital display showing a measurement.

5.1 DC Voltage Mesurament (DCV)

1. Premeu el botó DCV botó de funció.
2. Connecteu els cables de prova al HI (vermell) i LO (black) input terminals on the front panel.
3. Connecteu els cables de prova al component o circuit que s'ha de mesurar.
4. El vol DCtage reading will appear on the display.

5.2 Mesura de resistència (Ω)

1. Premeu el botó Ω botó de funció.
2. Connecteu els cables de prova al HI (vermell) i LO (black) input terminals.
3. Ensure the circuit or component is de-energized before connecting the leads.
4. Connect the test leads across the resistor or circuit to be measured.
5. The resistance reading will appear on the display.

5.3 Current Measurement (DCI/ACI)

1. Premeu el botó DCI or ACI function button depending on the current type.
2. Connect the test leads to the dedicated 3A, 250V AMPS input terminals on the front panel.
3. Ensure the circuit is de-energized before connecting the leads.
4. Connecteu el multímetre en sèrie amb el circuit on es vol mesurar el corrent.
5. Apply power to the circuit. The current reading will appear on the display.

For other functions like AC Voltage (ACV), Frequency (FREQ), Temperature (TEMP), and advanced settings, refer to the detailed programming manual available on the Keithley weblloc.

6. Manteniment

6.1 Neteja

To clean the instrument, use a soft cloth dampened with a mild detergent solution. Do not use abrasive cleaners or solvents. Ensure the instrument is powered off and disconnected from all power sources before cleaning.

6.2 Canvi de fusibles

If the instrument does not power on, the fuse may need replacement. The fuse holder is located on the rear panel. Always replace the fuse with one of the same type and rating as specified on the instrument (e.g., 250mA T, 100/120 VAC or 125mA T, 220/240 VAC).

1. Desconnecteu el cable d'alimentació de l'instrument.
2. Open the fuse holder cover.
3. Remove the old fuse and insert a new fuse of the correct rating.
4. Close the fuse holder cover securely.

7. Solució De Problemes

8. Especificacions

9. Garantia i Suport

For warranty information and technical support, please refer to the documentation included with your product or visit the official Keithley website. Keithley provides comprehensive resources, including detailed manuals, software downloads, and contact information for customer service and technical assistance.

You can typically find support resources at www.tek.com/keithley.