Indledning
The Fluke 107 is a compact, handheld digital multimeter designed for basic electrical measurements. It provides accurate readings for voltage, current, resistance, capacitance, frequency, and duty cycle, along with continuity and diode test functions. Its portable design makes it suitable for various applications, from professional use to hobbyist projects.

Billede: Forside view of the Fluke 107 Digital Multimeter, displaying its screen, rotary dial, and function buttons.
Sikkerhedsoplysninger
Overhold altid sikkerhedsforanstaltningerne, når du bruger elektrisk testudstyr. Undladelse af at gøre dette kan resultere i personskade eller beskadigelse af måleren eller det udstyr, der testes.
- Gør ikke apply more than the rated voltage, as specified in the specifications section, between terminals or between any terminal and earth ground.
- Gør ikke use the meter if it is damaged or operating abnormally. Inspect the case and test leads before use.
- Gør ikke use the meter around explosive gas, vapor, or in damp eller våde omgivelser.
- Always use the correct terminals, function, and range for your measurements.
- Vær forsigtig, når du arbejder med vol.tagover 30V AC RMS, 42V peak eller 60V DC. Disse voluminertages udgør en stødfare.
- Afbryd kredsløbsstrømmen, og aflad al højvolumtage kondensatorer før test af modstand, kontinuitet, dioder eller kapacitans.
- Ensure the test leads are fully seated in the meter's input jacks.
- Udskift batteriet med det samme, når indikatoren for lavt batteri vises, for at sikre nøjagtige aflæsninger.
Hvad er der i æsken
The Fluke 107 package typically includes the following components:
- Fluke 107 digitalt multimeter
- TL75 Test Leads (Hard Point Test Leads)
- 2 AAA Batteries (Installed)
- Smart Strap Magnetic Lanyard
- User Manual (printed safety information booklet)

Image: The Fluke 107 Multimeter displayed alongside its included test leads and magnetic lanyard.
Opsætning
Installation af batteri
The Fluke 107 comes with two AAA batteries pre-installed. If replacement is needed:
- Sørg for, at multimeteret er slukket.
- Find batterirummet på bagsiden af måleren.
- Open the battery compartment cover by twisting the lock and sliding it open.
- Remove the old batteries and insert two new AAA batteries, observing the correct polarity (+/-).
- Luk batterirummets dæksel forsvarligt.
Tilslutning af prøveledninger
The Fluke 107 has three recessed banana jacks:
- A: For current measurements (up to 10A).
- KOM: Common terminal for all measurements (black test lead).
- VΩHz: For voltage, resistance, capacitance, frequency, and diode tests (red test lead).
Always connect the black test lead to the COM jack. Connect the red test lead to the appropriate jack based on the measurement you intend to perform.
Using the Smart Strap Magnetic Lanyard
The included Smart Strap allows for hands-free operation by attaching the meter to a ferrous metal surface or by configuring it as a stand. The strap has a slot that fits into the meter's case and secures with Velcro. The magnetic end can then be used to attach the meter to metal surfaces or to itself to form a viewing stand.
Betjeningsvejledning
Kontrol overview
The Fluke 107 features a central rotary selector knob and three soft-touch buttons:
- Drejeknap: Used to select the desired measurement function (OFF, AC Volts, DC Volts, AC mV, Ohms/Continuity/Diode, Capacitance, AC/DC Amps).
- HOLD-knap: Freezes the current reading on the display. Press again to resume live readings.
- Hz % Button: Toggles between frequency (Hz) and duty cycle (%) display when measuring AC Volts or AC Amps.
- Yellow Function Button:
- In AC/DC Amps mode: Toggles between AC and DC current measurement.
- In Ohms mode: Toggles between resistance, continuity test, and diode test.
- Baggrundslys knap: Activates or deactivates the display backlight. The backlight automatically turns off after 2 minutes of inactivity, but this can be overridden.

Image: A gloved hand adjusting the rotary dial of the Fluke 107 Multimeter, demonstrating its ergonomic design.
Målefunktioner
The meter is auto-ranging by default for most functions, simplifying operation.
- Voltage-måling (AC/DC):
- Drej drejeknappen til V~ for AC voltage eller V- for DC voltage.
- Connect the red test lead to the VΩHz jack and the black test lead to the COM jack.
- Apply the test probes across the circuit or component to measure voltage.
- Current Measurement (AC/DC):
- Drej drejeknappen til A~ (AC) or A- (DC). Use the yellow button to toggle between AC and DC if needed.
- Connect the red test lead to the A (10A FUSED) jack and the black test lead to the COM jack.
- Vigtig: Connect the meter in series with the circuit to measure current. Ensure the circuit is de-energized before connecting the meter.
- Modstandsmåling (Ω):
- Drej drejeknappen til Ω.
- Connect the red test lead to the VΩHz jack and the black test lead to the COM jack.
- Apply the test probes across the component. Ensure the circuit is de-energized.
- Kontinuitetstest:
- Drej drejeknappen til Ω. Press the yellow button until the continuity icon (speaker symbol) appears.
- Connect the red test lead to the VΩHz jack and the black test lead to the COM jack.
- A continuous beep indicates a complete circuit (resistance less than 70Ω). "OL" indicates an open circuit.
- Diodetest:
- Drej drejeknappen til Ω. Press the yellow button until the diode icon (arrow with line) appears.
- Connect the red test lead to the VΩHz jack and the black test lead to the COM jack.
- Place the red probe on the anode and black probe on the cathode of the diode. The display shows the forward voltage drop. Reverse the probes; "OL" should be displayed for a good diode.
- Kapacitansmåling:
- Turn the rotary knob to the capacitance symbol (-||-).
- Connect the red test lead to the VΩHz jack and the black test lead to the COM jack.
- Vigtig: Discharge capacitors before connecting them to the meter. Apply probes across the capacitor. Readings may take up to 18 seconds to stabilize.
- Frequency (Hz) and Duty Cycle (%) Measurement:
- Select AC Volts or AC Amps funktion.
- Tryk på Hz % button to display frequency. Press again for duty cycle. Press a third time to return to voltage/current display.
Auto sluk
The meter automatically powers off after 20 minutes of inactivity to conserve battery life. This feature can be disabled if continuous operation is required.
Opretholdelse
Rensning
Tør sagen af med annonceamp cloth and mild detergent. Do not use abrasives or solvents. Keep the display clean and free from scratches.
Udskiftning af batteri
Refer to the "Battery Installation" section under Setup for detailed instructions. Replace batteries when the low battery indicator appears on the display.
Fuse Check and Replacement
The Fluke 107 has a single internal fuse for the Amps function. To check the fuse:
- Drej vælgerkontakten til Ω position.
- Plug the red test lead into the VΩHz jack.
- Insert the probe tip of the red test lead into the A (10A FUSED) jack until electrical contact is made.
- A reading of less than 0.5Ω indicates a good fuse. An "OL" reading indicates a blown fuse that requires replacement.
Fuse replacement requires opening the meter case by removing three screws. It is recommended that fuse replacement be performed by qualified personnel or a Fluke service center.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| "OL" (Overbelastning) vises | Input value exceeds selected range; open circuit in continuity/diode test; blown fuse in current mode. | Ensure correct function/range is selected. Check for open circuits. Check fuse in current mode. |
| Intet display eller svagt display | Low battery; meter off; damaged display. | Replace batteries. Turn meter ON. Contact service if display is damaged. |
| Unøjagtige aflæsninger | Low battery; incorrect function/range; poor test lead connection; external interference. | Replace batteries. Verify function/range. Ensure leads are fully inserted. Move away from strong electromagnetic fields. |
| No current measurement | Blown fuse; incorrect connection (not in series). | Check and replace fuse if necessary. Ensure meter is connected in series with the circuit. |
Specifikationer
| Parameter | Værdi |
|---|---|
| Maks. Voltage mellem enhver terminal og jord | 600V |
| Vis opdateringshastighed | 3 updates per second |
| Batteritype | 2 x AAA batteries (Alkaline or Lithium recommended) |
| Batterilevetid | 200 timer minimum |
| Driftstemperatur | 0°C til 40°C (32°F til 104°F) |
| DC Volts Ranges | 6.000V, 60.00V, 600.0V (Accuracy: 0.5% + 3 counts) |
| AC Volts Ranges | 6.000V, 60.00V, 600.0V (Accuracy: 1% + 3 counts) |
| ACmV Range | 600.0mV (Accuracy: 3% + 3 counts) |
| DC Amps Ranges | 4.000A, 10.00A (Accuracy: 1.5% + 3 counts) |
| AC Amps Ranges | 4.000A, 10.00A (Accuracy: 1.5% + 3 counts) |
| Modstandsområder | 400.0Ω, 4.000kΩ, 40.00kΩ, 400.0kΩ, 4.000MΩ, 30.00MΩ (Accuracy: 0.5% + 2 or 3 counts, 1.5% + 3 counts for 40MΩ) |
| Capacitance Ranges | 50.00nF, 500.0nF, 5.000µF, 50.00µF, 500.0µF, 1000µF (Accuracy: 2% + 5 counts on two lowest, 5% + 5 counts on higher) |
| Frekvensområder | 50.00Hz, 500.0Hz, 5.000kHz, 50.00kHz, 100.0kHz (Accuracy: 0.1% + 3 counts) |
| Duty Cycle | 1% ~ 99% (Accuracy: 1% typical) |
| Diode Test Range | 2.000V (Accuracy: 10%) |
| Produktdimensioner | 8.27 x 11 x 2.17 tommer; 7.05 ounce |
Garanti og support
The Fluke 107 Digital Multimeter comes with a 1-year manufacturer warranty. For warranty claims, technical support, or service, please contact Fluke customer service or visit the official Fluke website. Ensure you have your product model number and purchase details available.
For additional resources and detailed user manuals, please refer to the official Fluke support channels.





