Homely M890G Digital Multimeter User Manual

1. Kirish

Thank you for choosing the Homely M890G Digital Multimeter. This device is a portable, battery-powered digital multimeter designed for measuring AC/DC voltage, AC/DC current, resistance, capacitance, frequency, temperature, diode, and transistor hFE. It features a clear digital display, data hold function, and auto power-off for convenience and efficiency. Please read this manual thoroughly before use to ensure safe and proper operation.

2. Xavfsizlik ma'lumotlari

WARNING: To avoid electric shock or personal injury, and to avoid damage to the meter or to the equipment under test, observe the following safety rules:

• Always ensure the meter is in the correct function and range before making measurements.
• Nominal hajmdan ortiq qo'llamangtage, hisoblagichda ko'rsatilganidek, terminallar o'rtasida yoki har qanday terminal va tuproq o'rtasida.
• Vol. bilan ishlashda juda ehtiyot bo'lingtag60V DC yoki 30V AC RMS dan yuqori. Bunday jildtagzarba xavfini keltirib chiqaradi.
• Funktsiyalar yoki diapazonlarni o'zgartirishdan oldin sinov simlarini kontaktlarning zanglashiga olib tashlang.
• Agar u shikastlangan bo'lsa yoki sinov simlarining izolyatsiyasi buzilgan bo'lsa, hisoblagichdan foydalanmang.
• Remove the test leads from the meter before opening the battery cover or fuse cover.
• Batareya quvvati kamligi indikatori paydo bo'lishi bilan aniq ko'rsatkichlarni ta'minlash uchun batareyani almashtiring.
• Hisoblagichni portlovchi gaz, bug 'yoki chang muhitida ishlatmang.

3. Paket tarkibi

Quyida sanab o'tilgan barcha narsalar mavjudligini va buzilmaganligini tekshiring:

• Homely M890G Digital Multimeter
• Test Leads (one red, one black)
• K-Type Thermocouple Temperature Probe
• Foydalanuvchi uchun qo'llanma

Figure 3.1: Contents of the Homely M890G Digital Multimeter package, including the multimeter, red and black test leads, a K-type thermocouple, and the instruction manual.

4. Mahsulot tugadiview

The Homely M890G Digital Multimeter features a robust design with a clear LCD display and a rotary switch for function selection.

4.1 Old panel joylashuvi

4.1-rasm: Batafsil old view of the M890G multimeter, highlighting the LCD display, function rotary switch, and input terminals. The display shows '00.0' and test leads are connected.

• LCD displey: O'lchov ko'rsatkichlari, birliklar va funktsiya ko'rsatkichlarini ko'rsatadi.
• Aylanadigan kalit: Used to select the desired measurement function (e.g., V~, V=, A~, A=, Ω, °C, Hz, F, Diode, hFE).
• Funktsiya tugmalari: (e.g., HOLD, RANGE, REL, Hz/DUTY, SELECT) for additional features.
• Kirish ulagichlari:
  • COM: Common terminal for the black test lead.
  • VHz: Jildi uchun kiritishtage, resistance, frequency, capacitance, diode, and continuity measurements (red test lead).
  • mA: Milliy uchun kirishampoqim o'lchovlari (qizil sinov simi).
  • 20A MAKSIMAL: 20A gacha bo'lgan yuqori tok o'lchovlari uchun kirish (qizil sinov simi).

4.2 Rear Features

4.2-rasm: Views of the M890G multimeter from the side and rear, illustrating the integrated kickstand for hands-free operation and the battery compartment cover.

• Stend: Allows the meter to stand upright for easier viewing.
• Batareya bo'limi: Located on the rear, secured by screws, for battery replacement.

5. Sozlash

5.1 Batareyani o'rnatish

The M890G multimeter requires a 9V battery (not always included). To install or replace the battery:

1. Multimetr o'chirilganligiga va sinov simlari uzilganligiga ishonch hosil qiling.
2. Batareya bo'limi qopqog'ini hisoblagichning orqa tomonida toping.
3. Mahkamlash vintini (vintlarini) oching va qopqoqni ehtiyotkorlik bilan olib tashlang.
4. Connect a new 9V battery to the battery clip, observing correct polarity.
5. Batareyani bo'linmaga joylashtiring va qopqoqni qayta joyiga qo'ying, uni vint(lar) bilan mahkamlang.

5.2 Sinov simlarini ulash

Har doim qora sinov simini ulang COM Qizil sinov simini o'lchov turiga qarab tegishli kirish ulagichiga ulang:

• Jil uchuntage, Resistance, Capacitance, Frequency, Diode, and Continuity measurements, connect the red lead to the VHz jek.
• For current measurements up to 500mA, connect the red lead to the mA jek.
• For current measurements up to 20A, connect the red lead to the 20A MAX jek.

6. Foydalanish bo'yicha ko'rsatmalar

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

6.1 Quvvatni yoqish/o‘chirish

Turn the rotary switch from the OFF position to any desired function to power on the meter. To power off, turn the rotary switch back to the OFF position. The meter features an auto power-off function to conserve battery life after a period of inactivity.

6.2 DC Vol. o'lchashtage (V =)

1. Qora sinov simini ulang COM va qizil test olib keladi VHz.
2. Aylanadigan kalitni kerakli DC Volga o'rnatingtage (V=) range. If the voltage is unknown, start with the highest range and decrease as needed.
3. Sinov simlarini sinovdan o'tkazilayotgan sxemaga yoki komponentga parallel ravishda ulang.
4. jildini o'qingtagLCD displeydagi e qiymati.

6.3 O'zgaruvchan tokni o'lchash Voltage (V~)

1. Qora sinov simini ulang COM va qizil test olib keladi VHz.
2. Aylanadigan tugmani kerakli AC Vol ga o'rnatingtage (V~) range.
3. Connect the test leads in parallel to the AC source or component.
4. jildini o'qingtagLCD displeydagi e qiymati.

6.4 Qarshilikni o'lchash (Ō)

1. Qarshilikni o'lchashdan oldin kontaktlarning zanglashiga olib tashlanganligiga ishonch hosil qiling.
2. Qora sinov simini ulang COM va qizil test olib keladi VHz.
3. Set the rotary switch to the desired Resistance (Ω) range.
4. Connect the test leads across the component whose resistance is to be measured.
5. LCD displeydagi qarshilik qiymatini o'qing.

6.5 Measuring DC Current (A=)

CAUTION: Never connect the meter in parallel to a voltage source when measuring current. This can blow the fuse or damage the meter.

1. Devrenni quvvatsizlang.
2. Qora sinov simini ulang COM. Connect the red test lead to mA for currents up to 500mA, or to 20A MAX for currents up to 20A.
3. Set the rotary switch to the appropriate DC Current (A=) range.
4. Open the circuit where the current is to be measured and connect the meter in series with the load.
5. Re-energize the circuit and read the current value on the LCD display.

6.6 Measuring Temperature (°C)

1. Connect the K-type thermocouple to the appropriate input jacks (usually VHz va COM, observing polarity if indicated).
2. Set the rotary switch to the Temperature (°C) function.
3. Termojuftning uchini harorati o'lchanadigan obyektga yoki uning yoniga qo'ying.
4. LCD displeyda harorat qiymatini o'qing.

6.7 Boshqa funksiyalar

• Davomiylik testi: Set the rotary switch to the continuity symbol. A built-in buzzer will sound if the resistance is below a certain threshold.
• Diyot tekshiruvi: Set the rotary switch to the diode symbol. Connect the red lead to the anode and black lead to the cathode of the diode. The forward voltage tomchisi ko'rsatiladi.
• Transistor hFE Test: Insert the transistor into the hFE socket on the meter, ensuring correct Emitter, Base, Collector (EBC) orientation for NPN or PNP types. Set the rotary switch to hFE.
• Imkoniyatlar (F): Set the rotary switch to the capacitance range. Connect the leads across the capacitor (ensure it is discharged first).
• Chastotasi (Hz): Set the rotary switch to the frequency range. Connect the leads to the signal source.

7. Xizmat ko'rsatish

7.1 Tozalash

Hisoblagichni reklama bilan o'chiringamp mato va yumshoq yuvish vositasi. Abraziv yoki erituvchilardan foydalanmang. Kirish terminallarini axloqsizlik va namlikdan saqlang.

7.2 Batareyani almashtirish

When the low battery indicator appears on the display, replace the 9V battery as described in Section 5.1. Failure to do so may result in inaccurate readings.

7.3 Sigortani almashtirish

If the meter fails to measure current, the fuse may be blown. Refer to the specifications for the correct fuse type. To replace the fuse:

1. Ensure the meter is off and all test leads are disconnected.
2. Open the battery compartment cover (and potentially an additional fuse cover, depending on the model).
3. Carefully remove the old fuse and replace it with a new one of the identical type and rating.
4. Securely close all covers.

8. Muammolarni bartaraf qilish; nosozliklarni TUZATISH

9. Texnik shartlar

10. Kafolat va qo'llab-quvvatlash

For warranty information or technical support regarding your Homely M890G Digital Multimeter, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your purchase receipt as proof of purchase.