Keithley 2000 Digital Bench Multimeter User Manual

1. Pengenalan

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. Maklumat Keselamatan

AMARAN:

• 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. Produk Lebihview

3.1 Panel Depan

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

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

• paparan: Shows measurement readings and instrument status.
• Butang Fungsi: Select measurement types (DCV, ACV, DCI, ACI, Ω, Freq, Temp, etc.).
• Terminal Input: Red (HI) and Black (LO) terminals for voltage and resistance measurements, and dedicated terminals for current measurements.
• Suis kuasa: Menghidupkan atau mematikan instrumen.

3.2 Panel Belakang

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

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

• Input Kuasa AC: Untuk menyambungkan kord kuasa.
• GPIB/RS-232 Ports: For remote control and data transfer.
• Trigger Link: For synchronizing with other instruments.
• Pemegang fius: 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. Persediaan

4.1 Sambungan Kuasa

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. Pasangkan hujung kord kuasa yang satu lagi ke dalam soket kuasa AC yang dibumikan.

4.2 Kuasa Permulaan

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. Arahan Operasi

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

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

5.1 DC Jldtage Pengukuran (DCV)

1. Tekan ke DCV butang fungsi.
2. Sambungkan petunjuk ujian kepada HI (merah) dan LO (black) input terminals on the front panel.
3. Sambungkan wayar ujian merentasi komponen atau litar yang hendak diukur.
4. DC voltage bacaan akan muncul pada paparan.

5.2 Pengukuran Rintangan (Ω)

1. Tekan ke Ω butang fungsi.
2. Sambungkan petunjuk ujian kepada HI (merah) dan LO (black) input terminals.
3. Ensure the circuit or component is de-energized before connecting the leads.
4. Sambungkan wayar ujian merentasi perintang atau litar yang hendak diukur.
5. Bacaan rintangan akan dipaparkan pada paparan.

5.3 Current Measurement (DCI/ACI)

1. Tekan ke 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. Sambungkan multimeter secara bersiri dengan litar tempat arus hendak diukur.
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 webtapak.

6. Penyelenggaraan

6.1 Pembersihan

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 Penggantian Fius

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. Putuskan sambungan kord kuasa daripada instrumen.
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. Penyelesaian masalah

8. Spesifikasi

9. Waranti dan Sokongan

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.