Extech EX310 Mini Digitalt Multimeter med NCV Detektor Brugsanvisning

1. Introduktion

The Extech EX310 is a compact, manual-ranging digital multimeter designed for a variety of electrical measurements. It features an extra-large 2000-count LCD and a built-in Non-Contact AC Voltage Detector (NCV) for enhanced safety. This device is capable of measuring AC/DC Voltage, AC/DC Current, Resistance, Diode, and Continuity, and includes a battery test function for 1.5V and 9V batteries. Its robust design, including a protective rubber holster and tilt stand, makes it suitable for field use.

2. 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.

• The Extech EX310 is UL listed with a CAT III – 600 Volt safety rating.
• Påfør ikke mere end den nominelle voltage, som markeret på måleren, mellem terminaler eller mellem enhver terminal og jord.
• Always inspect test leads for damage before use. Replace if insulation is compromised.
• Udvis ekstrem forsigtighed, når du arbejder med spændingsførende kredsløb.
• Brug den kontaktfri volumentage (NCV) detector as a preliminary check for live AC voltage, but always verify with direct contact measurements when possible.
• Ensure the function switch is set to the correct range before making measurements.

3. Produktfunktioner

• 9-Function Manual-Ranging DMM: Mål AC/DC voltage, AC/DC current (up to 10 A), resistance, diode, continuity, plus 1.5 V/9 V battery tests.
• Non-Contact Voltage (NCV) Detektor: Built-in NCV with red LED and audible beeper alerts to the presence of live AC (100-600 VAC) without probes.
• Extra-Large 2000-Count Display: Clear, easy-to-read 1-inch digits on a high-count LCD ensure readability.
• Rugged, Portable Design: Compact meter (5.7 × 2.9 × 1.6 in, 9 oz) with protective rubber holster, tilt stand, and low-battery indicator.
• Reliable Safety & Accuracy: 0.5% basic accuracy. Designed to UL/CAT II-1000 V & CAT III-600 V safety standards.

4. Pakkens indhold

The Extech EX310 package includes the following items:

• Extech EX310 Mini Digital Multimeter
• Testledninger
• 9 volt batteri
• Tilt stativ

5. Produktet er slutview (Controls and Display)

Familiarize yourself with the components of your EX310 multimeter:

Billede: Forside view of the Extech EX310 Mini Digital Multimeter, showing the large LCD display, function dial, NCV button, and input jacks.

Image: Close-up of the Extech EX310's function dial, illustrating the various measurement ranges and functions such as voltage, current, resistance, diode, continuity, and battery test.

• LCD-skærm: Viser måleaflæsninger, enheder og funktionsindikatorer.
• Funktionskontakt: Rotary dial to select the desired measurement function and range.
• NCV-knap: Aktiverer den berøringsfri lydstyrketage detection feature.
• Indgangsstik: Terminals for connecting test leads (COM, VΩmA, 10A).

6. Opsætning

6.1. Batteriinstallation

1. Sørg for, at multimeteret er slukket.
2. Find batteridækslet på bagsiden af ​​måleren.
3. Skru fastholdelsesskruen(e) af, og fjern dækslet.
4. Isæt et nyt 9V batteri, og overhold den korrekte polaritet.
5. Sæt dækslet på igen, og fastgør det med skruen/skruerne.

En indikator for lavt batteriniveau vises på displayet, når batteriet skal udskiftes.

6.2. Tilslutning af testledninger

Tilslut testledningerne til de relevante indgangsstik:

• Indsæt den sorte testledning i KOM (fælles) stik.
• For de fleste målinger (Vol.tage, Resistance, Diode, Continuity, mA Current), insert the red test lead into the VΩmA stik.
• For målinger af høj strøm (op til 10 A), sæt den røde testledning i 10A stik.

7. Betjeningsvejledning

Before making any measurement, ensure the test leads are correctly connected and the function switch is set to the desired range.

7.1. AC/DC Voltage Måling

1. Set the function switch to the desired ACV (~) or DCV (---) range (e.g., 200V, 600V).
2. Connect the red test lead to the VΩmA jack and the black test lead to the COM jack.
3. Berør testproberne ved de kredsløbspunkter, hvor vol.tage skal måles.
4. Læs bindtage-værdi på LCD-skærmen.

7.2. AC/DC strømmåling

Forsigtighed: Never attempt to measure current on a circuit with voltage present across the current terminals. This can blow the fuse or damage the meter.

1. Sluk for strømmen til kredsløbet.
2. Set the function switch to the desired ACA (~) or DCA (---) range (e.g., 200mA, 10A).
3. Connect the red test lead to the appropriate current jack (VΩmA for mA, 10A for 10A) and the black test lead to the COM jack.
4. Åbn kredsløbet, hvor strømmen skal måles, og forbind måleren i serie.
5. Apply power to the circuit and read the current value on the LCD.

7.3. Modstandsmåling

1. Sørg for, at kredsløbet eller komponenten er spændingsløs.
2. Set the function switch to the desired Resistance (Ω) range (e.g., 200Ω, 20kΩ).
3. Connect the red test lead to the VΩmA jack and the black test lead to the COM jack.
4. Berør testproberne hen over den komponent eller det kredsløb, der skal måles.
5. Aflæs modstandsværdien på LCD-skærmen.

Image: The Extech EX310 Multimeter displaying a reading while test leads are connected to a circuit board, demonstrating a typical measurement scenario.

7.4. Diodetest

1. Ensure the component is de-energized.
2. Set the function switch to the Diode (→|) position.
3. Connect the red test lead to the VΩmA jack and the black test lead to the COM jack.
4. Berør den røde sonde anoden og den sorte sonde katoden på dioden.
5. Læs videre bindtage drop on the LCD. Reverse the probes to check for an open circuit (OL).

7.5. Kontinuitetstest

1. Sørg for, at kredsløbet eller komponenten er spændingsløs.
2. Set the function switch to the Continuity (→))) position.
3. Connect the red test lead to the VΩmA jack and the black test lead to the COM jack.
4. Berør testproberne hen over kredsløbet eller komponenten.
5. An audible tone will sound if continuity exists (resistance below approximately 30Ω).

Billede: Et nærbillede view of the Extech EX310 Multimeter with its test leads connected to an internal electronic circuit, demonstrating precise measurement capabilities.

7.6. Non-Contact Voltage (NCV) Detektion

1. Indstil funktionskontakten til en hvilken som helst position.
2. Press and hold the NCV button.
3. Move the top of the meter (where the NCV sensor is located) close to the suspected AC voltage source (e.g., wire, outlet).
4. A red LED will illuminate and an audible beeper will sound, increasing in intensity as the meter gets closer to the live AC voltage.

Image: A hand holding the Extech EX310 Multimeter near an electrical wall outlet, demonstrating the use of the Non-Contact Voltage (NCV) detection feature to identify live circuits.

7.7. Battery Test (1.5V/9V)

1. Set the function switch to the 1.5V BAT or 9V BAT position.
2. Connect the red test lead to the VΩmA jack and the black test lead to the COM jack.
3. Touch the red probe to the positive terminal and the black probe to the negative terminal of the battery.
4. Læs batterivolumentage på LCD -skærmen.

8. Vedligeholdelse

8.1. Udskiftning af batteri

Refer to Section 6.1 for detailed instructions on replacing the 9V battery when the low battery indicator appears.

8.2. Udskiftning af sikring

If the current measurement functions cease to operate, the internal fuse(s) may need replacement. The fuses are typically located beneath the battery compartment. Refer to the full product manual for specific fuse ratings and replacement procedures. Always replace with fuses of the identical type and rating.

8.3. Rensning

Tør med jævne mellemrum kabinettet med annonceamp klud og mildt rengøringsmiddel. Brug ikke slibemidler eller opløsningsmidler. Sørg for, at måleren er helt tør før brug.

9. Fejlfinding

• Ingen visning: Check the 9V battery. Ensure it is correctly installed and has sufficient charge.
• Forkerte aflæsninger: Verify that the function switch is set to the correct measurement type and range. Ensure test leads are properly connected and making good contact with the circuit.
• Strømmåling virker ikke: Check the internal fuse(s). Refer to the Maintenance section for fuse replacement.
• NCV registreres ikke: Ensure the NCV button is pressed and held. Confirm the presence of AC voltage (100-600 VAC) in the area being tested.

10. Specifikationer

Image: Diagram illustrating the physical dimensions of the Extech EX310 Multimeter, showing a length of 6.0 inches (15 cm).

11. Garantioplysninger

The Extech EX310 Mini Digital Multimeter is covered by a 1 års reservedele og arbejdsgaranti from the date of purchase. Please retain your proof of purchase for warranty claims. This warranty covers manufacturing defects and workmanship under normal use.

12. Kundesupport

For technical assistance, troubleshooting beyond this manual, or warranty service, please contact Extech customer support. Refer to the official Extech webwebstedet eller produktemballagen for de mest aktuelle kontaktoplysninger.