Buku Panduan Multimeter Digital Sealey MM20HV

1. Bubuka

This manual provides detailed instructions for the safe and effective use of your Sealey MM20HV Digital Multimeter. The MM20HV is a heavy-duty, general-purpose multimeter designed for various electrical measurements, featuring a clear LCD display, data hold function, temperature probe, and diode test facility. It is housed in a rugged rubber boot with an integral stand for durability and convenience.

Punten baca manual ieu sacara saksama sateuacan ngoperasikeun alat sareng tahan pikeun rujukan ka hareup.

2. Émbaran Kasalametan

Always observe basic safety precautions when using electrical testing equipment to reduce the risk of fire, electric shock, and personal injury.

• Baca pituduh: Understand all operating instructions and safety warnings before use.
• Mariksa Alat: Before each use, inspect the multimeter and test leads for any damage. Do not use if damaged.
• Proper Range: Salawasna pilih fungsi sareng rentang anu leres pikeun pangukuran.
• Voltage Watesan: Do not exceed the maximum input limits specified for each range.
• Sirkuit Hirup: Never measure resistance, continuity, or diode on a live circuit. Ensure power is off and circuits are discharged.
• Insulasi: Simpen ramo di tukangeun panghalang probe nalika ngukur.
• Lingkungan: Do not use the multimeter in wet conditions or in the presence of explosive gases or fumes.
• Palayanan: Refer all servicing to qualified personnel. Battery and fuse replacement are the only user-serviceable parts.

3. Naon dina Box

Saatos ngabongkar bungkusan, pastikeun sadaya barang anu didaptarkeun di handap aya sareng henteu ruksak:

• Sealey MM20HV Digital Multimeter
• Kabel Tés (Beureum sareng Hideung)
• Termokopel (Probe Suhu)
• Manual pangguna (dokumén ieu)

Gambar 1: Sealey MM20HV Digital Multimeter shown with included test leads and thermocouple.

4. Setélan

4.1. Pamasangan batré

The Sealey MM20HV requires two AAA batteries for operation.

1. Teang panutup kompartemen batré dina tonggong multimeter.
2. Anggo obeng pikeun nyabut sekrup anu ngamankeun panutupna.
3. Selapkeun dua batré AAA, perhatikeun polaritasna anu leres (+ sareng -) sakumaha anu dituduhkeun di jero kompartemen.
4. Ganti panutup kompartemen batré jeung amankeun ku screw nu.

4.2. Nyambungkeun Test Leads

Sambungan kabel tés anu leres penting pisan pikeun pangukuran anu akurat sareng aman.

• Insert the black test lead into the "COM" (Common) jack.
• Pikeun kalolobaan voltage, resistance, and continuity measurements, insert the red test lead into the "VΩmA" jack.
• For high current (up to 10A DC) measurements, insert the red test lead into the "10A DC" jack. Ensure the function dial is set to the appropriate current range.

Gambar 2: Multimeter with black lead in COM and red lead in VΩmA jack.

5. Parentah Operasi

The Sealey MM20HV offers 8 functions for various electrical measurements.

5.1. Daya Hurung / Pareum

Rotate the central function dial from the "OFF" position to any desired measurement function to turn the multimeter on. To turn off, rotate the dial back to "OFF".

5.2. Measuring DC Voltage (V=)

1. Insert the black lead into the "COM" jack and the red lead into the "VΩmA" jack.
2. Set the function dial to the desired DC Voltage range (e.g., 200mV, 2V, 20V, 200V, 600V). If the voltage is unknown, start with the highest range and decrease as necessary.
3. Sambungkeun probe tés kana komponén atanapi sirkuit anu badé diukur.
4. Baca voltage nilai dina tampilan LCD.

5.3. Ngukur AC Voltage (V~)

1. Insert the black lead into the "COM" jack and the red lead into the "VΩmA" jack.
2. Set the function dial to the desired AC Voltagrentang e (contona, 200V, 600V).
3. Connect the test probes across the AC voltage sumber.
4. Baca voltage nilai dina tampilan LCD.

5.4. Measuring DC Current (A=)

Awas: Pernah nyambungkeun multimeter dina paralel jeung vol atage source when measuring current. Always connect in series with the load.

1. Insert the black lead into the "COM" jack.
2. For currents up to 200mA, insert the red lead into the "VΩmA" jack. For currents up to 10A, insert the red lead into the "10A DC" jack.
3. Set the function dial to the appropriate DC Current range (e.g., 2mA, 20mA, 200mA, 10A).
4. Buka sirkuit tempat arus rék diukur teras sambungkeun multimeter sacara séri.
5. Baca nilai ayeuna dina tampilan LCD.

5.5. Measuring Resistance (Ω)

Awas: Pastikeun sirkuit geus de-energized sarta sakabeh kapasitor discharged saméméh ngukur lalawanan.

1. Insert the black lead into the "COM" jack and the red lead into the "VΩmA" jack.
2. Set the function dial to the desired Resistance range (e.g., 200Ω, 2kΩ, 20kΩ, 200kΩ, 2MΩ).
3. Connect the test probes across the component whose resistance is to be measured.
4. Baca nilai lalawanan dina tampilan LCD.

5.6. Test Continuity karungu

This function allows for quick checks of circuit continuity with an audible tone.

1. Insert the black lead into the "COM" jack and the red lead into the "VΩmA" jack.
2. Set the function dial to the continuity symbol (often shared with diode test).
3. Sambungkeun probe tés ka sakuliah sirkuit atanapi komponén.
4. Nada anu kadéngé nunjukkeun kontinuitas (résistansi rendah). Layar bakal némbongkeun nilai résistansi.

5.7. Diode/Transistor Verification

This function allows for testing diodes and transistors.

1. Insert the black lead into the "COM" jack and the red lead into the "VΩmA" jack.
2. Set the function dial to the diode symbol.
3. For diode testing, connect the red probe to the anode and the black probe to the cathode. The display will show the forward voltage leupaskeun. Balikkeun probe; tampilan kedah nunjukkeun "OL" (Open Loop) pikeun dioda anu saé.
4. For transistor (hFE) testing, insert the transistor leads into the appropriate NPN or PNP sockets on the multimeter. The display will show the hFE value.

5.8. Measuring Temperature (°C)

The multimeter includes a thermocouple for temperature measurements.

1. Remove the test leads from the input jacks.
2. Insert the thermocouple plug into the "VΩmA" and "COM" jacks, observing polarity if indicated.
3. Set the function dial to the "°C" range.
4. Place the tip of the thermocouple on or near the object whose temperature is to be measured.
5. Read the temperature value in Celsius on the LCD display.

5.9. Fungsi Nyimpen Data

Press the "HOLD" button (typically a green button on the front panel) to freeze the current reading on the display. Press it again to release the hold and resume live readings.

6. Pangropéa

6.1. beberesih

Ngusap kasus kalayan iklanamp cloth and mild detergent. Do not use abrasives or solvents. Ensure the device is off and disconnected from any circuits before cleaning.

6.2. Ngagantian batré

When the battery indicator appears on the display, replace the batteries as described in Section 4.1. Always use fresh AAA batteries.

6.3. Ngagantian sekering

If the current measurement function stops working, the fuse may need replacement.

1. Pastikeun multimeter dipareuman sareng sadaya kabel tés dicabut.
2. Remove the battery compartment cover and batteries.
3. Locate the fuse(s) inside the compartment. The MM20HV typically uses a 200mA/250V fast-blow fuse for the mA range and a 10A/250V fast-blow fuse for the 10A range.
4. Carefully remove the old fuse and replace it with a new fuse of the exact same type and rating.
5. Replace the batteries and battery compartment cover.

penting: Never use a fuse with a different rating or bypass a fuse. This can damage the multimeter and pose a serious safety hazard.

7. Cara ngungkulan

8. Spésifikasi

The following table outlines the technical specifications for the Sealey MM20HV Digital Multimeter.

Catetan: Spésifikasi tiasa robih tanpa aya bewara.

9. Garansi jeung Rojongan

For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your product or contact Sealey customer service directly. Contact details are typically available on the manufacturer's official websitus.