1. Introduktion
Thank you for choosing the Neoteck TRMS 9999 Counts Digital Multimeter. This device is designed for accurate and reliable measurement of various electrical parameters. Please read this manual thoroughly before use to ensure safe and proper operation.
2. Sikkerhedsoplysninger
Always adhere to basic safety precautions when using this multimeter to avoid personal injury or damage to the device. Improper use can result in electric shock or fire.
- Do not exceed the maximum values indicated in the specifications.
- Do not use the device if it or the test leads appear damaged.
- Sørg for, at funktionskontakten er i den korrekte position, før du foretager målinger.
- Udvis ekstrem forsigtighed, når du arbejder med voltagover 36V DC eller 25V AC RMS, da disse kan udgøre en fare for stød.
- Disconnect the test leads from the circuit before changing the function.
- Replace batteries and fuses only with the specified type and rating.
3. Produktet er slutview
3.1 Pakkens indhold
Når du åbner pakken, skal du kontrollere, at alle varer er til stede og ubeskadigede:
- 1 x Neoteck Digital Multimeter
- 1 x par testledninger (rød og sort)
- 1 x K-type temperaturføler
- 2 x 1.5 V AA-batterier
- 1 x brugermanual

The image displays all items included in the product package: the digital multimeter itself, a pair of test leads, a K-type temperature probe, two AA batteries, and the user manual.
3.2 Nøglefunktioner
- True RMS 9999 Counts: Giver nøjagtige målinger for ikke-sinusformede bølgeformer.
- Integrated Manual and Automatic Mode: Offers flexibility for precise or quick measurements.
- Triple Protection: Includes overload protection (under 250V), fuse blow indication, and polarity error alarm.
- Large Inverted EBTN LCD Screen: Features white numeric values on a black background for excellent readability in various lighting conditions.
- Yderligere funktioner: Data Hold, Flashlight, Low Battery Indication, Auto Power Off, Analog Bar Graph, NCV (Non-Contact Voltage) detection, Continuity, Diode Test, Live Wire Test, VFC function.

The image shows the Neoteck multimeter displaying a voltage reading of 9.76V, demonstrating its True RMS capability for accurate and real-time measurement of RMS values, connected to a power supply.

The image shows the multimeter encased in its soft protective cover, designed to guard against shocks and friction, ensuring durability and longevity of the device.

A view of the multimeter's rear, detailing its practical features: a built-in flashlight for illumination, a probe holder for convenient storage, a wall hang hole for mounting, and a foldable kickstand for hands-free operation.
4. Opsætning
4.1 Batteriinstallation
The multimeter requires two 1.5V AA batteries. To install or replace them:
- Sørg for, at multimeteret er slukket, og at testledningerne er frakoblet.
- Find batteridækslet på bagsiden af enheden.
- Brug en skruetrækker til at åbne låget.
- Insert the two AA batteries, observing the correct polarity (+/-).
- Sæt batterirummets dæksel på igen og fastgør det med skruen.
4.2 Tilslutning af testledninger
Tilslut altid testledningerne korrekt for at opnå nøjagtige og sikre målinger.
- Sæt den sorte testledning i "COM"-stikket (fælles).
- For de fleste målinger (volumentage, resistance, continuity, diode, capacitance, frequency, temperature), insert the red test lead into the "VΩHz" jack.
- For current measurements up to 600mA, insert the red test lead into the "mA" jack.
- For current measurements up to 10A, insert the red test lead into the "10A" jack.
5. Betjeningsvejledning
The multimeter features both automatic and manual ranging modes. Use the 'SEL' button to switch between functions within a single rotary switch position, and to toggle between auto and manual range if applicable.

This image illustrates the multimeter's rotary dial, highlighting the integrated design that allows users to select between automatic and manual measurement ranges for various functions.
5.1 DC/AC Voltage Måling (V)
- Turn the rotary switch to the V (DC) or V~ (AC) position.
- Connect the red test lead to the positive side and the black test lead to the negative side of the circuit.
- Læs bindtage -værdi på displayet.
5.2 DC/AC Current Measurement (A/mA/µA)
- Turn the rotary switch to the A (DC) or A~ (AC) position, or mA/µA position.
- Connect the multimeter in series with the circuit. Ensure the red test lead is in the appropriate current jack (10A or mA/µA).
- Aflæs den aktuelle værdi på displayet.
5.3 Modstandsmåling (Ω)
- Turn the rotary switch to the Ω position.
- Sørg for, at kredsløbet er spændingsløst, før du måler modstanden.
- Tilslut testledningerne på tværs af den komponent, der skal måles.
- Aflæs modstandsværdien.
5.4 Kapacitansmåling (F)
- Turn the rotary switch to the capacitance position.
- Discharge the capacitor completely before connecting the test leads.
- Tilslut testledningerne over kondensatoren.
- Aflæs kapacitansværdien.
5.5 Frekvensmåling (Hz)
- Drej drejekontakten til positionen Hz.
- Tilslut testledningerne på tværs af signalkilden.
- Aflæs frekvensværdien.
5.6 Temperaturmåling (°C/°F)
- Turn the rotary switch to the °C/°F position.
- Connect the K-type temperature probe to the input jacks, observing polarity.
- Placer probespidsen på eller i nærheden af det objekt, hvis temperatur skal måles.
- Aflæs temperaturværdien.
5.7 NCV (kontaktfri volumen)tage) Registrering
- Drej drejekontakten til NCV-positionen.
- Move the top of the multimeter close to the AC voltage kilde.
- An alarm beep will sound and the LED will flash if AC voltage er opdaget.
5.8 Identifikation af spændingsførende ledninger

This image depicts the multimeter's live wire identification function, with the display showing 'LIVE' as a test probe is used to detect the presence of AC voltage i en stikkontakt.
- Turn the rotary switch to the Live position.
- Insert the red test lead into the live wire socket or touch the live wire.
- The display will show "LIVE" and an alarm will sound if a live wire is detected.
5.9 Diodetest
- Turn the rotary switch to the diode symbol position.
- Tilslut den røde testledning til anoden og den sorte testledning til katoden på dioden.
- Displayet viser den fremadrettede lydstyrketage-fald. Byt ledningerne for at kontrollere for et åbent kredsløb.
5.10 Kontinuitetstest
- Turn the rotary switch to the continuity symbol position.
- Tilslut testledningerne på tværs af kredsløbet eller komponenten.
- An alarm beep will sound if the resistance is less than 30Ω, indicating continuity.
5.11 Dataholdefunktion
Tryk på 'HOLD'-knappen for at fryse den aktuelle aflæsning på displayet. Tryk igen for at slippe.
5.12 Lommelygte
Press the flashlight button to turn on the built-in flashlight for illumination in dark environments. Press again to turn off.
6. Vedligeholdelse
6.1 Rengøring
Tør sagen af med annonceamp cloth and mild detergent. Do not use abrasives or solvents. Keep the test leads clean and dry.
6.2 Udskiftning af batteri
Når indikatoren for lavt batteri vises på displayet, skal batterierne udskiftes som beskrevet i afsnit 4.1.
6.3 Udskiftning af sikringer
If the multimeter displays "FUSE" and the buzzer sounds during current measurement, the fuses may have blown. Replace them with fuses of the specified type and rating (e.g., F600mA/250V and F10A/250V). Refer to the internal diagram for fuse locations.
7. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Intet display eller svagt display | Low batteries or incorrect battery installation | Udskift batterierne eller kontroller polariteten. |
| "OL" vises | Overload or out of range measurement | Select a higher range or ensure the measured value is within limits. |
| "FUSE" displayed and buzzer sounds | Blown fuse during current measurement | Replace the appropriate fuse (refer to Section 6.3). |
| "LEAD" displayed and buzzer sounds | Incorrect test lead connection for selected function | Ensure test leads are connected to the correct input jacks for the chosen measurement mode. |
| Unøjagtige aflæsninger | Poor contact, damaged leads, or external interference | Check lead connections, inspect leads for damage, or move away from strong electromagnetic fields. |
8. Specifikationer

This image provides a clear visual representation of the multimeter's physical dimensions, indicating a height of 186mm, a width of 85mm, and a depth of 53mm.
| Parameter | Specifikation |
|---|---|
| Materiale | ABS + TPE |
| Vise | Inverted Digital LCD, 9999 Counts |
| Måletilstand | Dual Integral A/D Transform True RMS |
| Rækkevidde kontrol | Automatisk rækkevidde og manuel rækkevidde |
| DC bindtagRækkevidde | 999.9mV / 9.999V / 99.99V / 999.9V |
| AC VoltagRækkevidde | 0.999V / 9.999V / 99.99V / 999.9V |
| DC strømområde | 99.9µA / 99.99mA / 600.0mA / 10A |
| AC nuværende rækkevidde | 99.99mA / 600.0mA / 10A |
| Modstandsområde | 999.9Ω / 9.999kΩ / 99.99kΩ / 999.9kΩ / 9.999MΩ / 99.99MΩ |
| kapacitans Range | 9.999nF / 99.99nF / 999.9nF / 9.999µF / 99.99µF / 999.9µF / 9.999mF / 99.99mF |
| Frekvensområde | 9.999 Hz til 9.999 MHz |
| Temperaturområde | -20℃ til 1000℃ / -4℉ til 1832℉ |
| AC Voltage Båndbredde | 40Hz - 1kHz |
| Diodetest | 0.15V - 3V |
| Kontinuitetsalarm | Modstand < 30Ω |
| Strømforsyning | 2 x 1.5 V AA-batterier |
| Dimensioner (L x B x H) | 185 mm x 85 mm x 52 mm (7.32 "x 3.35" x 2.08 ") |
| Vægt | 350g (inklusive batterier) |
9. Garanti og support
Neoteck products are designed for reliability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Neoteck webwebsted. Behold din købskvittering som købsbevis i tilfælde af garantikrav.