PeakTech P 4090 True RMS Bench Multimeter User Manual

1. Einleitung

The PeakTech P 4090 is a high-precision True RMS Bench Multimeter designed for accurate electrical measurements in various applications. This versatile device offers a comprehensive range of functions, including True RMS measurement, diode and continuity testing, and relative value measurement. Featuring a clear 21mm LCD display, it ensures quick and easy reading of measured values. The integrated USB interface and accompanying PC software enable convenient data logging, analysis, and remote control, making it suitable for both laboratory and mobile service use.

Abbildung 1: Vorderseite view of the PeakTech P 4090 True RMS Bench Multimeter.

2. Sicherheitshinweise

Always read this manual thoroughly before operating the PeakTech P 4090 Multimeter. Failure to follow safety instructions can result in electric shock, fire, or damage to the device. Keep this manual for future reference.

• The device complies with safety standard EN 61010-1 and is rated CAT I 600V.
• To prevent electrical shock, always remove test leads and the power cord before opening the battery cover or the device casing.
• Do not operate the multimeter with the battery cover open.
• To prevent fire, install only fuses with the specified ampDurchschnitt und Volumentage ratings (F 200mA/250V and 10A/MAX).
• Ensure the operating environment is dry and free from excessive dust or corrosive gases.
• Do not use the device if it appears damaged or if the insulation of the test leads is compromised.

Figure 2: Rear panel of the multimeter showing power input, USB port, and safety warnings.

3. Packungsinhalt

Upon unpacking your PeakTech P 4090 Multimeter, please verify that all the following items are present and in good condition:

• PeakTech P 4090 True RMS Bench Multimeter
• Tragetasche
• Netzkabel
• USB-Schnittstellenkabel
• Software für Windows
• Testleitungen (rot und schwarz)
• Bedienungsanleitung

4. Produktüberschreitungview

4.1 Frontplatte

Abbildung 3: Detaillierte Vorderseite view showing the LCD display, rotary switch, input jacks, and function buttons.

The front panel features the large 21mm LCD display, a central rotary switch for function selection, input jacks for test leads, and various push-buttons for additional functions.

• LCD Anzeige: Shows measurement values, units, and function indicators.
• Eingangsbuchsen: Dedicated terminals for voltage (V), current (10A, µA mA), and common (COM) connections.
• Drehschalter: Used to select the desired measurement function (e.g., DC Voltage, AC-Voltage, Resistance, Current, Frequency, Temperature).
• Funktionstasten: Include RANGE, HOLD, REL (Relative), MAX/MIN, Hz/Duty, USB, MODE, and Backlight control.

4.2 Rückseite

Figure 4: Rear panel with power input, battery compartment, and USB interface.

The rear panel provides connections for power and data communication.

• Leistungsaufnahme: AC power socket (220V 50Hz) and DC battery compartment (6 x 1.5V R14C UM2).
• USB-Anschluss: For connecting the multimeter to a computer for data transfer and software control.
• Stromschalter: Hauptnetzschalter für das Gerät.

4.3 Kippständer

Abbildung 5: Seite view illustrating the adjustable tilt stand for optimal viewing-Winkel.

An integrated tilt stand on the underside of the multimeter allows for adjusting the viewing angle for improved ergonomics and readability.

5. Einrichtung

5.1 Powering the Multimeter

The PeakTech P 4090 can be powered by either AC mains or batteries for mobile use.

5.1.1 Einlegen der Batterie

1. Ensure the multimeter is turned off and disconnected from any power source and test leads.
2. Locate the battery compartment on the rear panel (refer to Figure 4).
3. Schrauben Sie den Batteriefachdeckel ab und entfernen Sie ihn.
4. Insert six (6) 1.5V R14C (UM2) batteries, observing the correct polarity (+/-).
5. Bringen Sie die Abdeckung des Batteriefachs wieder an und befestigen Sie sie mit Schrauben.

5.1.2 Wechselstromanschluss

1. Stellen Sie sicher, dass das Multimeter ausgeschaltet ist.
2. Connect the provided power cord to the AC power input socket on the rear panel (refer to Figure 4).
3. Plug the other end of the power cord into a suitable 220V 50Hz AC outlet.

5.2 Anschließen der Testleitungen

Always connect the test leads to the appropriate input jacks based on the measurement you intend to perform. Incorrect connection can lead to damage or inaccurate readings.

• Für die meisten Bändetage, resistance, continuity, and diode measurements, connect the red test lead to the 'V Ω Temp' jack and the black test lead to the 'COM' jack.
• For current measurements up to 250mA, connect the red test lead to the 'µA mA' jack and the black test lead to the 'COM' jack.
• For high current measurements up to 10A, connect the red test lead to the '10A' jack and the black test lead to the 'COM' jack.

5.3 Software Installation (for Windows)

The PeakTech P 4090 includes PC software for data logging and analysis. Follow these steps to install:

1. Legen Sie die mitgelieferte Software-CD in das CD/DVD-Laufwerk Ihres Computers ein.
2. Follow the on-screen instructions to install the software. If the installer does not launch automatically, browse the CD and run the setup file.
3. After installation, connect the multimeter to your computer using the supplied USB interface cable (refer to Figure 4 for USB port location).
4. Launch the PeakTech DMM Tool software to begin data communication.

Abbildung 6: Bspample screenshot of the PeakTech DMM Tool software interface.

6. Bedienungsanleitung

6.1 Ein-/Ausschalten

To turn the multimeter on, flip the power switch on the rear panel to the 'ON' position. To turn it off, flip the switch to 'OFF'.

6.2 Funktionsauswahl

Rotate the central rotary switch on the front panel to select the desired measurement function. The selected function will be indicated on the LCD display.

• V (DC/AC Voltage): For measuring direct or alternating current voltage.
• 10A (DC/AC Current): For measuring high direct or alternating current.
• mV Hz Ω Temp (Millivolt, Frequency, Resistance, Temperature): A multi-function setting. Use the MODE button to cycle through these functions.
• µA mA (DC/AC Current): For measuring low direct or alternating current.
• Hz/Duty (°C/°F): For measuring frequency/duty cycle or temperature in Celsius/Fahrenheit. Use the MODE button to switch.

6.3 Tastenfunktionen

• ANGEBOT: Manually selects the measurement range. Press repeatedly to cycle through available ranges. Hold to return to auto-ranging.
• HALT: Friert den aktuellen Anzeigewert ein. Zum Entsperren erneut drücken.
• REL (Relativ): Stores the current reading as a reference and displays subsequent measurements as a deviation from this reference.
• MAX MIN: Records and displays the maximum and minimum values measured since activation.
• Hz/Einschaltdauer: In relevant functions, toggles between frequency and duty cycle measurement.
• USB: Activates or deactivates the USB communication interface.
• MODUS: Cycles through sub-functions within a rotary switch setting (e.g., DC/AC, Resistance/Continuity/Diode, Hz/Temp).
• Taste für Hintergrundbeleuchtung: Aktiviert oder deaktiviert die Display-Hintergrundbeleuchtung.

6.4 Basic Measurement Procedures

Always ensure the multimeter is set to the correct function and range, and test leads are connected properly before making any measurements.

1. Bandtage Measurement (DC/AC):
   a. Connect the red lead to 'V Ω Temp' and the black lead to 'COM'.
   b. Set the rotary switch to 'V' (for DC or AC voltage). Use the MODE button to select DC or AC.
   c. Connect the test leads in parallel to the circuit or component to be measured.
2. Strommessung (DC/AC):
   a. Connect the red lead to 'µA mA' or '10A' (depending on expected current) and the black lead to 'COM'.
   b. Set the rotary switch to 'µA mA' or '10A'. Use the MODE button to select DC or AC.
   c. Connect the multimeter in series with the circuit to be measured.
3. Widerstandsmessung:
   a. Connect the red lead to 'V Ω Temp' and the black lead to 'COM'.
   b. Set the rotary switch to 'mV Hz Ω Temp'. Press MODE until 'Ω' is displayed.
   c. Connect the test leads across the component to be measured (ensure power is off for passive components).
4. Durchgangsprüfung:
   a. Connect the red lead to 'V Ω Temp' and the black lead to 'COM'.
   b. Set the rotary switch to 'mV Hz Ω Temp'. Press MODE until the continuity symbol (speaker icon) is displayed.
   c. Touch the test leads to the points to be tested. A beep indicates continuity.
5. Diodentest:
   a. Connect the red lead to 'V Ω Temp' and the black lead to 'COM'.
   b. Set the rotary switch to 'mV Hz Ω Temp'. Press MODE until the diode symbol is displayed.
   c. Connect the test leads across the diode. The display will show the forward voltage fallen.

7. Wartung

7.1 Reinigung

Um das Multimeter zu reinigen, wischen Sie das Gehäuse mit einem feuchten Tuch ab.amp cloth and a mild detergent. Do not use abrasives or solvents. Ensure the device is powered off and disconnected from all circuits and power sources before cleaning.

7.2 Batteriewechsel

When the low battery indicator appears on the display, replace the batteries promptly to ensure accurate measurements. Follow the steps outlined in Section 5.1.1 for battery installation.

7.3 Sicherungswechsel

If the current measurement function fails, the fuse may need replacement. Always replace fuses with the correct type and rating to prevent damage and ensure safety.

1. Ensure the multimeter is turned off and disconnected from all power sources and test leads.
2. Locate the fuse compartment, typically accessible by opening the main casing (refer to safety warnings in Section 2). This procedure should only be performed by qualified personnel.
3. Replace the blown fuse with a new one of the identical type and rating:
   • For µA/mA input: F 200mA/250V, Ø 5x20mm
   • For 10A input: F 10A/MAX, 10 sec MAX EACH 15min (specific fuse type may vary, refer to device markings)
4. Schließen Sie die c sicher.asing before resuming operation.

8. Fehlerbehebung

If you encounter issues with your PeakTech P 4090 Multimeter, refer to the following common troubleshooting steps:

• Kein Display/Stromanschluss: Check if the power switch is ON. If using batteries, check battery charge and polarity. If using AC, ensure the power cord is securely connected and the outlet is functional.
• Falsche Messwerte: Ensure test leads are correctly connected to the appropriate input jacks for the selected function. Verify the rotary switch is set to the correct measurement type and range. Check if the REL function is active.
• Strommessung funktioniert nicht: The fuse for the current input may be blown. Refer to Section 7.3 for fuse replacement instructions.
• No USB Communication: Ensure the USB button on the multimeter is activated. Check USB cable connection and PC software installation. Restart the software and/or computer.
• Intermittierende Lesungen: Check for loose connections at the test leads or input jacks. Ensure the test leads are not damaged.

Wenn das Problem nach diesen Schritten weiterhin besteht, wenden Sie sich bitte an den Kundendienst oder einen qualifizierten Servicetechniker.

9. Spezifikationen

10. Garantie und Support

For warranty information, technical support, or service inquiries, please contact PeakTech directly. Refer to the official PeakTech webAuf dieser Website finden Sie die aktuellsten Kontaktdaten und Garantiebedingungen.

Hersteller: PeakTech
WebWebsite: www.peaktech.de