FNIRSI FNB48P USB Current Voltage-Tester

1. Zu Endeview

The FNIRSI FNB48P USB Current Voltage Tester is a high-reliability, high-safety USB voltage and current detection meter designed for mobile communication terminal fast charging trigger and capacity testing. It features a 1.77-inch TFT-LCD display and integrates USB-A, Micro-USB, and Type-C interfaces. Equipped with a dedicated 16-bit ADC and PD protocol physical chip, it can measure power supply or consumption of various USB devices, monitor phone charging, and test fast charging protocols.

This manual provides essential safety information, operational guidance, and solutions to common issues. Please read it thoroughly before use.

2. Sicherheitsvorkehrungen

• Schließen Sie das Überwachungsinterface nicht an eine Stromversorgung mit mehr als 24 V an.
• Schließen Sie den PC-Anschluss nicht an eine Stromquelle mit mehr als 16 V an.
• Only one pair of monitoring interfaces (one input port, one output port) can work simultaneously. When a pair of monitoring interfaces is active, it is forbidden to connect equipment to other monitoring interfaces (except the PC connection port, which can be connected to an external power supply).
• Bei Verwendung des Schnellladeauslösemoduls dürfen keine Geräte angeschlossen werden, die keine hohen Spannungen vertragen.tage zu jeder Überwachungsschnittstelle.
• After using the PD trigger/monitor/conversion/read E-Marker cable function, ensure to turn the PD communication switch in the lower right corner back to the OFF position.
• When working at high power, the instrument's temperature will rise. Exercise caution to prevent burns.
• Do not charge the phone after the fast charge is triggered. The manufacturer is not responsible for any damage to the phone resulting from this action.

3. Product Features and Performance

3.1. Mensch-Computer-Interaktion

• Anzeige: 1.77-inch TFT-LCD screen.
• Steuerung: Multi-function switch and touch switch (BACK button).

3.2. Volumentage und Strommessung

• Sechsstellige Anzeige für Lautstärketage, current, and power with a resolution of 0.00001 (V/A/W).
• Records minimum, maximum, and average values during operation.
• 10 Sätze umschaltbarer Kapazitäts-, Leistungs- und Zeitstatistiken.
• 1 Satz Bdtage and current curve records, supporting up to 9 hours.
• Unterstützt Wellenformen mit niedriger Geschwindigkeit (Lautstärke)tage, current, D+, D-) drawing (2sps-100sps sampLingrate).
• Unterstützt Hochgeschwindigkeits-Ripple (Vol.tage, AC coupling) drawing (up to 3.2Msps sampLingrate).

3.3. Fast Charge Trigger Protocols

• Supports QC2.0, QC3.0, Huawei FCP, SCP, Samsung AFC, PD2.0/3.0, VOOC/WARP, and SuperVOOC triggers.
• All supported protocols allow automatic monitoring.
• Features MTK-PE automatic detection.
• Unterstützt die Protokollkonvertierung von QC2.0 zu PD2.0.
• Allows setting a maximum 24-hour limited time trigger, which automatically closes when the time expires.

3.4. Wire Identification

• Innenwiderstandsmessung von Drähten mittels Differenzdruckverfahren.
• Auslesen des E-Marker-Kabelchips.
• DASH-Kabeldaten auslesen.

3.5. Miscellaneous Features

• Erfasst die Startzeit.
• Temperaturmessung an Bord.
• Schwerkraftsensor zur automatischen Umschaltung der Anzeigerichtung.
• PD monitor function.
• Unterstützung für analoge DASH-Kabel.
• Apple 2.4A Beschleunigung.

4. Aufbau und Komponenten

The FNB48P features a robust CNC metal shell and a 1.77-inch high-definition display. Key components and interfaces are:

Figure 1: FNIRSI FNB48P with labeled interfaces.

1. PC-Schnittstelle: Micro-USB, 5-PIN female socket for PC connection.
2. Funktionstasten: Multi-function switches (left, middle, right buttons).
3. Eingabetaste: Berührungsschalter (Zurück-Taste).
4. TYP-C IN: 24-PIN female socket for input monitoring.
5. MicroUSB-Eingang: 5-PIN female socket for input monitoring.
6. TYP-C AUSGANG: 24-PIN female socket for output monitoring.
7. PD COM: PD communication switch.
8. USB-A-Eingang: 5-PIN male for input monitoring.
9. USB-A-Ausgang: 5-PIN female for output monitoring.

Video 1: FNIRSI FNB48P product demonstration, showcasing its features like multi-port compatibility, gravity sensing display, real-time voltage/current/power detection, battery capacity calculation, and fast charging protocol detection.

5. Einrichtung

To begin using your FNIRSI FNB48P USB Current Voltage Tester, follow these general steps:

1. Einschalten: Connect the FNB48P to a USB power source (e.g., charger, power bank, PC USB port) using one of its input ports (USB-A IN, TYPE-C IN, or MicroUSB IN). The device will power on automatically.
2. Gerät zum Testen anschließen: Plug the device you wish to test (e.g., phone, U disk, charging cable) into the corresponding output port (TYPE-C OUT or USB-A OUT) of the FNB48P.
3. Lesen Sie die folgenden Texte: The 1.77-inch TFT-LCD screen will immediately display real-time voltage-, Strom- und Leistungsmesswerte.
4. PC-Anschluss (optional): For advanced monitoring and data management, connect the FNB48P to a PC via its Micro-USB PC interface. Ensure the PC connection port does not exceed 16V.

Weitere Informationen finden Sie im Benutzerhandbuch (PDF) for detailed setup instructions and software installation for PC connectivity.

6. Bedienungsanleitung

The FNB48P features a user-friendly interface controlled by multi-function switches (left, middle, right buttons) and a BACK button. The left and right buttons typically switch pages/menus, the middle button confirms, and the BACK button cancels/returns. Long-pressing the BACK button turns off the screen backlight.

6.1. Main Page (Summary Page)

Figure 2: Main display interface.

• Zeigt voltage, current, and power. An arrow indicates the direction of current flow.
• Long press Left button: Rufen Sie das Einstellungsmenü auf.
• Click Middle button: Auf 6-Bit-Auflösung umschalten.
• Long press Middle button: Switch screen direction (if gravity direction recognition is off in settings).

6.2. Record Page

Figure 3: Curve display modes.

• Displays boot record time and onboard temperature.
• Zeigt Voltage, current, and power data.
• The curve and progress bar on the right indicate the remaining storage capacity of the voltage und Stromkurven.
• Groups on the right show statistics group, current group capacity, power, and time values.
• Min, Max, and Avg data for voltage, current, and power are displayed at the lower left.
• Long press Left button: Switch to capacity/power consumption list.
• Click Middle button: Start/Stop-Lautstärketage und Stromkurvenaufzeichnung.
• Long press Middle button: Restart calculation of Min/Max/Avg values.
• Long press Right button: Enter battery capacity calculation tool.

6.3. Fast Charge Recognition Page

Figure 4: Fast charge protocol detection.

• Displays boot record time, onboard temperature, voltage, Strom und Leistung.
• Shows trigger time limit and status (RUN/STOP/NONE).
• Notiz: Exercise caution when using fast charge trigger/detection. Do not connect equipment that cannot withstand high voltage.
• Long press Left button: Enter the fast charge trigger module.
• Click Middle button: Start-/Stopp-Triggerzeitpunkt.
• Long press Middle button: Klare Triggerzeitpunkte.
• Long press Right button: Rufen Sie das Menü des Ladewerkzeugs auf.

6.4. Record Function Expansion

This section details advanced recording features.

6.4.1. Energy Statistics List

• Accessed by long-pressing the left button on the record page.
• Displays group number, capacity (CAP/Ah), and energy (NRG/Wh) for up to 10 groups.
• Click Middle button: Switch selection group.
• Long press Middle button: Clear selected group.

6.4.2. Battery Capacity Calculation Tool

• Accessed by long-pressing the right button on the record page.
• Allows calculation of battery capacity by setting statistical group, battery voltage (default 3.7V, adjustable 3.0-5.0V), and energy conversion efficiency (default 90%).
• Click Middle button: Move green dot between Group, Batt Vol, and Conv Eff to select item for adjustment.
• Links/Rechts-Tasten: Ändern Sie den Wert des ausgewählten Elements.

6.5. Quick Charge Protocol Trigger and Detection

This menu is accessed by long-pressing the left button on the fast charge recognition page.

6.5.1. Fast Charge Protocol Automatic Detection

• The tester attempts to trigger various protocols sequentially, displaying test results. Red indicates unsupported, Green indicates supported.
• During testing, avoid connecting any equipment to the back end.
• The device does not respond to key operations during the test. Unplug to exit.
• Click Middle button: Start test again.
• Click BACK button: Zur vorherigen Seite zurückkehren.

6.5.2. QC2.0 Trigger

Figure 5: QC2.0 Trigger interface.

• Use left/right keys to select trigger voltage (5V, 9V, 12V, 20V).
• Click BACK button: Zurückkehren.

6.5.3. QC3.0 Trigger

• Use left/right keys to decrease/increase trigger voltage.
• Click BACK button: Zurückkehren.
• Press left/right keys to quickly decrease/increase voltage.

6.5.4. Huawei FCP Trigger

• Operation method is the same as QC2.0 trigger.

6.5.5. Huawei SCP Trigger

• Operation method is the same as QC3.0 trigger.

6.5.6. Samsung AFC Trigger

• Operation method is the same as QC2.0 trigger.

6.5.7. PD Protocol Trigger

Figure 6: PD Protocol Trigger interface.

• Switch the PD communication switch to ON to enter this mode. Switch to OFF upon exiting.
• Displays available voltage gears (fixed and adjustable PPS).
• Use left/right keys to switch gears. For PPS gear, click the middle button to select step voltage, und verwenden Sie dann die Pfeiltasten links/rechts zum Anpassen.

6.5.8. PD Protocol Conversion (QC2.0 to PD)

• Used for QC2.0 chargers to supply power to PD appliances.
• Switch PD communication switch to ON, then enter PD protocol conversion mode.
• Click middle button and use left/right buttons to change maximum power of packets. Be careful not to exceed charger power. Click middle button to confirm changes.
• Set to 5V when no device is connected to prevent high-voltage Schaden.
• If the charger does not successfully trigger 20V for QC2.0, the tester will cancel the 20V gear.

6.5.9. VOOC/WARP Constant Voltage-Trigger

• Operation method is the same as QC3.0 trigger.

6.5.10. SVOOC Trigger

• Requires a load greater than 500mA. Only supports 10.5V.
• Only BACK button operation is available in this mode.

6.6. Charging Tool

Accessed by long-pressing the right button on the fast charge identification page.

6.6.1. PD Listener

• Requires PD communication switch to ON, a power supply (max 16V, usually 5V), and a Micro-USB cable connected to the PC online port for external power.
• Requires two C-C cables to connect charger and PD electrical appliances to Type-C IN and Type-C OUT respectively. If the PD charger cannot be powered, flip one of the C-C cable connectors.
• Ermöglicht viewing of detailed communication processes.

6.6.2. Read E-Marker Cable

• Reads chip information from E-Marker cables.
• When using PD listener, Type-C interface cannot be used for power supply; PC port, USB-A, Micro-USB can be used. PD communication switch must be ON.
• Click Middle button: Switch between parsed data and original data.

6.6.3. Read DASH Cable

• Reads chip-related data from DASH cables.

6.6.4. Analog DASH Cable

• Simulates DASH cable functionality using the FNB48P and a C-C cable to trigger VOOC/WARP flash charge.
• Notiz: Charging power may be reduced if the C-C cable impedance is high.

6.6.5. Apple 2.4A Acceleration

• Sets D+ and D- to 2.7V to enable 5V-2.4A charging for Apple devices.

6.7. Einstellungsmenü

Accessed by long-pressing the left button on the main page.

6.7.1. Allgemeine Einstellungen

• Bildschirmhelligkeit: Einstellbereich 1-20.
• Standby-Helligkeit: Adjustable range 0-20. Set to 0 to turn off screen directly in standby.
• Standby Zeit: Sets the duration before entering standby.
• Datenübertragung: Enables/disables PC connection.
• Temperatursymbol: Zeigt die Temperatur in °C oder °F an.
• Sprache: Supports Chinese/English.
• Aktuelle Änderung aufwachen: Sets the current threshold to wake the device from standby. Set to 0 to disable.
• Bluetooth-Schalter: Enables/disables Bluetooth data transmission.
• Schwerkraftrichtungserkennung: Automatically switches page orientation. If off, long-press middle button on simple page to switch.
• Boot-Seite: Turns on/off the boot page.
• Zurücksetzen: Restores all settings except recorded data.

6.7.2. Aufnahmeeinstellungen

• Curve recording time: Sets recording duration (max 9 hours). Changing this clears the curve.
• Statistische Stromschwelle: Sets current threshold for capacity, energy, and time statistics (range 0-5A).
• Zeit der Energiestatistik: Sets time limit for energy statistics.
• Alle Datensätze löschen: Clears all recorded data, including offline curves and energy statistics.

6.7.3. Trigger Related Configuration

• Auslösezeit: Sets trigger time.
• PD-CRC blockieren: Masks CRC messages when PD is monitoring (off by default).
• Boot-Simulation DASH: Turns on analog DASH cable function at boot (off by default).
• Starten Sie Apple 2.4A: Turns on Apple 2.4A acceleration function at boot (off by default).

6.7.4. Systeminformationen

• View operating times, SN serial number, and software version.

7. Wartung

• Halten Sie das Gerät sauber und trocken. Vermeiden Sie den Kontakt mit Staub, Feuchtigkeit und extremen Temperaturen.
• Reinigen Sie den Bildschirm und casinMit einem weichen, trockenen Tuch abwischen. Keine Scheuermittel oder Lösungsmittel verwenden.
• Bewahren Sie das Gerät bei Nichtgebrauch an einem sicheren Ort auf, um Beschädigungen zu vermeiden.

8. Fehlerbehebung

• Gerät lässt sich nicht einschalten: Ensure the FNB48P is correctly connected to a compatible USB power source within the specified voltage-Bereich (4-24V).
• Ungenaue Messwerte: Verify that connections are secure and that only one pair of monitoring interfaces is active at a time. Ensure cables are in good condition.
• Fast charge trigger issues: Double-check that the connected equipment can withstand the triggered voltage. If testing PD chargers, ensure the PD communication switch is in the correct position (ON for PD functions, OFF otherwise). If the charger restarts during testing, this is normal for some PD chargers.
• PC-Verbindungsprobleme: Ensure the Micro-USB PC interface is connected to a power source not exceeding 16V. Verify that the data transmission setting is enabled in the menu.
• Screen orientation not switching: Check the 'Gravity direction recognition' setting in the General settings menu. If it's off, you can manually switch the screen direction by long-pressing the middle button on the simple page.
• Überhitzung des Gerätes: This is normal when operating at high power. Ensure adequate ventilation and handle with care to prevent burns.

9. Spezifikationen

Figure 7: Technical Specifications of FNIRSI FNB48P.

10. Firmware Upgrade Instructions

To upgrade the firmware of your FNIRSI FNB48P, follow these steps:

1. Download the latest USB Meter upgrade tool and firmware from the official webWebsite.
2. Ensure the FNB48P is off. Press and hold the middle (OK) button, then connect the device to your PC via the Micro-USB PC interface. The screen will display "FNB-48P DFU: vX.XX" and "Click <BACK> to enter APP."


Figure 8: FNB48P in DFU mode for firmware upgrade.

3. Open the USB Meter upgrade tool on your PC.
4. In the upgrade tool, click 'System', then 'Open File Folder' to select the downloaded firmware file.
5. Click 'Upgrade' to start the firmware update process.
6. Once the upgrade is complete, the device will automatically restart and enter the main interface.

11. Garantie und Support

Thank you for choosing FNIRSI. Our products undergo strict quality inspection before being sent out. If you have any questions or need help, please contact us.

FNIRSI offers an extra 6-Month Warranty for users who contact them with questions or for support.

Kontaktinformationen:

Shenzhen FNIRSI Technology Co., LTD.

• Adresse: Westlich von Gebäude C, Weida-Industriepark, Dalang-Straße, Bezirk Longhua, Shenzhen, Guangdong
• E-Mail (Geschäftlich): fnirsiofficial@gmail.com
• E-Mail (Geräteservice): fnirsiofficialcs@gmail.com
• Tel: 0755-83242477 / +8613536884686

For more information and community engagement, visit www.fnirsi.cn.

12. Benutzertipps

• The FNB48P is highly versatile, offering comprehensive monitoring for voltage, current, capacitance, load equivalent internal resistance, energy used, and power. Its CE certification ensures safety.
• Nutzen Sie den Vorteiltage of the gravity sensor for automatic display rotation, which can be very convenient during testing.
• When using the PC software, remember that the app needs the version with Bluetooth and does not support iOS systems.
• For accurate cable resistance measurements, ensure a constant current load of about 0.5-1A.