1. Introduzzjoni
This manual provides comprehensive instructions for the safe and effective operation, maintenance, and troubleshooting of the Rigol DM3068 6 1/2 Digit Benchtop Digital Multimeter. Please read this manual thoroughly before using the instrument to ensure proper functionality and to prevent damage or injury.
2. Informazzjoni dwar is-Sigurtà
Always observe the following safety precautions when operating the DM3068 multimeter:
- Tħaddimx l-istrument f'atmosfera splussiva jew fil-preżenza ta' gassijiet jew dħaħen fjammabbli.
- Ensure the power cord is properly connected to a grounded outlet.
- Applikax voltage or current exceeding the specified maximum input limits. Refer to the specifications section for details.
- Use only test leads and accessories supplied or recommended by Rigol.
- Before opening the instrument cover, disconnect the power cord and all test leads.
- Do not operate the instrument if it appears damaged or is not functioning correctly.
- Always connect the common (COM) test lead before connecting the live test lead. Disconnect the live test lead first.
- Be aware of the CAT I (1000V) and CAT II (300V) ratings for the input terminals.
3. Prodott Aktarview
The Rigol DM3068 is a high-performance 6 1/2 digit benchtop digital multimeter designed for precise measurements in various applications. Key features include:
- Real 6 1/2 digits resolution for high accuracy.
- Dual display capability for simultaneous AC signal measurement.
- "Any sensor" function for versatile sensor integration.
- Support for multiple temperature sensors (TC, RTD, THERM).
- Standard capacitor measurement function.
- LXI over LAN and USB connectivity for remote control and data acquisition.
3.1 Panel ta 'Quddiem
The front panel features the display, function buttons, range controls, and input terminals. Refer to the image below for a visual representation.

Figura 3.1: Quddiem view of the Rigol DM3068 Digital Multimeter, showing the display, control buttons, and input terminals.
- Wiri: Shows measurement readings, settings, and menu options.
- Buttuni tal-Funzjoni: Select measurement modes (DCV, ACV, Resistance, Current, Frequency, Capacitance, Diode, Continuity, Temperature).
- Range Controls: Manual range selection (Rng+, Rng-) or Auto-ranging (Auto).
- Terminali tal-Input: Dedicated terminals for voltage (VΩ), current (mA, 10A), and common (COM) measurements.
- Port Ospitanti USB: Għall-konnessjoni ta' apparati tal-ħażna USB.
3.2 Panel ta 'wara
The rear panel includes the power input, communication interfaces, and other connectors. (Specific image for rear panel not available, general description provided).
- Input tal-Enerġija AC: Għall-konnessjoni tal-korda tal-enerġija.
- USB Device Port: Għall-konnessjoni ma' kompjuter.
- Port tal-LAN: For network connectivity (LXI).
- Port RS-232: Għal komunikazzjoni serjali.
4. Setup
4.1 Spakkjar u Spezzjoni
Upon receiving your DM3068, carefully inspect the packaging for any signs of damage. Open the box and verify that all components listed in the packing list are present and undamaged. If any items are missing or damaged, contact your supplier immediately.
4.2 Konnessjoni tal-Enerġija
- Kun żgur li s-swiċċ tal-enerġija fuq il-pannell ta' wara jkun fil-pożizzjoni OFF.
- Connect the provided AC power cord to the power input on the rear panel of the instrument.
- Ipplaggja t-tarf l-ieħor tal-korda tal-enerġija f'sokit tal-enerġija AC ertjat.
4.3 Tixgħel Inizjali
After connecting the power, press the power button on the front panel. The instrument will perform a self-test and display the startup screen. Allow a few minutes for the instrument to warm up and stabilize for optimal measurement accuracy.
5. Istruzzjonijiet Operattivi
5.1 Kejl Bażiku
To perform a basic measurement, select the desired function using the dedicated buttons on the front panel. Connect the test leads to the appropriate input terminals (VΩ for voltage/resistance, mA/10A for current, COM for common) and to the circuit under test.
5.1.1 DC Voltage Kejl (DCV)
- Agħfas il- DCV buttuna.
- Qabbad iċ - ċomb aħmar tat - test mal - VΩ terminali u t-test iswed iwassal għal COM terminali.
- Connect the test leads across the component or circuit to measure DC voltage.

Figura 5.1: Display showing a DC Voltage measurement of 2.000,001V.
5.1.2 AC Voltage Kejl (ACV)
The DM3068 supports dual display for AC signal measurements, showing both voltage u l-frekwenza simultanjament.
- Agħfas il- ACV buttuna.
- Connect the test leads as described for DCV.
- Il-wiri se juri l-AC voltage and its frequency.

Figura 5.2: Display showing an AC Voltage measurement of 199.9999mV and a frequency of 1.000000kHz.
5.1.3 Kejl tal-Kapaċitanza
The DM3068 includes a standard capacitance measurement function.
- Agħfas il- KAP buttuna.
- Ensure the capacitor is discharged before connecting it to the VΩ and COM terminals.
- Id-displej se juri l-valur tal-kapaċitanza.

Figura 5.3: Display showing a Capacitance measurement of 1.000nF.
5.2 Temperature and Sensor Measurements
The "Any sensor" function allows for flexible integration of various sensors, including multiple types of temperature sensors.
- Agħfas il- Sensor buttuna.
- Use the menu to select the sensor type (e.g., TC for Thermocouple, RTD for Resistance Temperature Detector, THERM for Thermistor).
- Connect the sensor to the appropriate input terminals as per the on-screen instructions.
- The display will show the temperature reading.

Figura 5.4: Display showing a temperature reading of 19.05305 °C from a sensor.

Figura 5.5: Display showing the selection menu for sensor types, including TC, RTD, and THERM.
5.3 Data Logging and Analysis
The DM3068 offers advanced data logging and statistical analysis features.
5.3.1 History and Trend View
The instrument can store up to 5000 readings in its history. The Trend View function allows you to visualize the development of measurements over time directly on the display.
- Agħfas il- Storja button to access stored readings.
- Navigate to the Trend View option to display a graphical representation of the data.

Figura 5.6: Display showing a Trend View of measurements over time, including Max and Min values.
5.3.2 Statistical Analysis
The DM3068 can perform statistical analysis on recorded data, including histograms and various statistical parameters.
- Aċċess għall- Matematika or Utilità menu.
- Select the Statistics option to view parameters like average (AVG), standard deviation (SDEV), and to display a histogram of the data.

Figura 5.7: Display showing a histogram of measurement data.

Figura 5.8: Display showing the Statistics menu with options for STA (Statistical Analysis), P/F (Pass/Fail), dBm, dB, and REL (Relative).
6. Manutenzjoni
6.1 Tindif
To clean the instrument, disconnect it from all power sources and test circuits. Use a soft cloth dampened with mild detergent and water. Do not use abrasive cleaners or solvents. Ensure no moisture enters the instrument.
6.2 Sostituzzjoni tal-Fjus
The DM3068 contains internal fuses for protection. If a current measurement range becomes inoperative, a fuse may need replacement. Fuse replacement should only be performed by qualified service personnel to avoid voiding the warranty or causing further damage. Note that the 200mA current input fuse is internal and not user-replaceable from the rear panel, despite any markings.
6.3 Kalibrazzjoni
For optimal accuracy, the DM3068 should be calibrated periodically by a qualified service center. Refer to Rigol's official documentation or contact support for recommended calibration intervals.
7 Issolvi l-problemi
This section provides solutions to common issues encountered with the DM3068. For more detailed assistance, refer to the instrument's built-in "Online Help" function or contact Rigol technical support.
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-istrument ma jixgħelx. | Power cord not connected; power outlet faulty; internal fuse blown. | Check power cord connection; test power outlet; contact service for fuse replacement. |
| L-ebda qari jew "OL" muri. | Test leads not connected properly; circuit open; measurement range exceeded. | Verify test lead connections; check circuit continuity; select a higher measurement range or use auto-ranging. |
| Qari mhux korrett. | Wrong measurement function selected; poor test lead contact; instrument not calibrated. | Select correct function; ensure good contact; consider calibration. |
| Communication (USB/LAN) issues. | Incorrect cable; driver not installed; network configuration error. | Verify cable type and connection; install necessary drivers; check network settings. |
| Data logging stops prematurely. | Memory limit reached (5000 readings). | Transfer data to external storage or clear history. Note the 5000-reading limit. |
8. Speċifikazzjonijiet
The following table outlines the general specifications for the Rigol DM3068 Digital Multimeter.
| Parametru | Valur |
|---|---|
| Brand | Rigol |
| Numru tal-Mudell | DM3068 |
| Tip ta' Kejl | Multimetru |
| Riżoluzzjoni | 6 1/2 Digits |
| Sors tal-Enerġija | AC |
| Piż tal-oġġett | 5.5 libbra (2.5 Kilogrammi) |
| Dimensjonijiet tal-Prodott (L x W x H) | 9.12 x 11.44 x 4.21 pulzieri |
| Speċifikazzjoni Met | UL 61010-1, IEC 61010-2-030, NIST Traceable |
| Konnettività | USB, LAN (LXI), RS-232 |
| Kapaċità tal-Logging tad-Data | Sa 5000 qari |
9. Garanzija u Appoġġ
For information regarding the product warranty, technical support, or service, please refer to the official Rigol website or contact your local Rigol distributor. Ensure you have your product model number (DM3068) and serial number available when seeking support.
Rigol Technologies USA Inc. is the manufacturer.
Official Rigol Websit: www.rigolna.com





