Sealey MM19

Дастури корбарии мултиметри рақамии Sealey MM19 бо функсияи 7

1. Муқаддима

This manual provides instructions for the safe and effective use of the Sealey MM19 Digital Multimeter. The MM19 is a general-purpose multimeter designed for measuring various electrical parameters, including AC and DC voltage, DC current, resistance, audible continuity, and diode/transistor verification. Please read this manual thoroughly before operation and retain it for future reference.

2. Маълумот оид ба бехатарӣ

Always observe basic safety precautions when using electrical test equipment to reduce the risk of fire, electric shock, or personal injury. This device complies with IEC 1010 and CE CAT II safety standards.

  • Do not exceed the maximum input limits for any function. Refer to the specifications section for details.
  • Ҳеҷ гоҳ ҷилдиtage to the meter when the rotary switch is set to Resistance (Ω), Diode, Continuity, or Current (A) functions.
  • Ҳангоми кор бо voltagаз 30V AC RMS, қуллаи 42V ё 60V DC. Ин ҷилдиtagхатари зарбаро ба вуҷуд меорад.
  • Ensure the test leads are in good condition, without cracked or broken insulation.
  • Always connect the common (COM) test lead first and disconnect it last.
  • Disconnect power to the circuit under test before measuring resistance or continuity.
  • Батареяро фавран иваз кунед when the low battery indicator appears to ensure accurate readings.

3. Маҳсулот ба охир расидview

The Sealey MM19 Digital Multimeter features a clear LCD display, a central rotary switch for function selection, and input jacks for test leads.

Sealey MM19 Digital Multimeter with test leads

The Sealey MM19 Digital Multimeter, shown with its yellow casing, large LCD display, rotary function switch, and red and black test leads connected to the input jacks.

Компонентҳо:

  • Намоиши LCD: Large (46 x 25mm) digital display for reading measurements.
  • Калиди гардишкунанда: Барои интихоби функсия ва диапазони андозагирии дилхоҳ истифода мешавад.
  • VΩmA Input Jack: Барои ҷtage, resistance, and current measurements up to 200mA.
  • 10ADC Input Jack: For high current measurements up to 10A DC (unfused).
  • Ҷеки вуруди COM: Вуруди умумӣ (манфӣ) барои ҳамаи андозагириҳо.
  • Сокети hFE: For transistor (NPN/PNP) testing.
  • Роҳбарони санҷиш: Симҳои сурх (мусбат) ва сиёҳ (манфӣ) барои пайвастшавӣ ба схемаҳо.

4. Танзимот

4.1. Насби батарея

The Sealey MM19 Multimeter requires a 9V battery for operation. If the display does not illuminate or shows a low battery indicator, the battery needs to be installed or replaced.

  1. Боварӣ ҳосил кунед, ки мултиметр хомӯш карда шудааст.
  2. Сарпӯши қисмати батареяро дар қафои дастгоҳ ҷойгир кунед.
  3. Винт(ҳо)-еро, ки сарпӯшро мустаҳкам мекунанд, кушоед ва онро бодиққат бардоред.
  4. Батареяи нави 9V-ро ба қутбҳои батарея пайваст кунед ва қутбияти дурустро риоя кунед.
  5. Place the battery inside the compartment and replace the cover, securing it with the screw(s).

4.2. Пайваст кардани рахҳои санҷишӣ

The multimeter is supplied with a pair of test leads (red and black).

  • -ро ворид кунед black test lead ба COM Ҷеки вуруди (умумӣ).
  • Барои аксари андозагирӣ (ҷилдtage, resistance, low current), insert the red test lead ба VΩmA сурохии вуруд.
  • For high DC current measurements (up to 10A), insert the red test lead ба 10ADC сурохии вуруд.

5. Дастурҳои истифодабарӣ

To operate the multimeter, select the desired function and range using the rotary switch.

5.1. Андозагирии ҳаҷми ҷараёни доимӣtagд (DCV)

  1. Insert the red lead into the VΩmA jack and the black lead into the COM jack.
  2. Set the rotary switch to the desired DCV range (e.g., 200m, 2000m, 20, 200, 1000). Start with the highest range if the voltagд маълум нест.
  3. Рангҳои санҷиширо ба ҷузъ ё схемаи ченшаванда пайваст кунед.
  4. Ҷилди хонедtagарзиши e дар экрани LCD.

5.2. Андозагирии AC Voltagд (ACV)

  1. Insert the red lead into the VΩmA jack and the black lead into the COM jack.
  2. Set the rotary switch to the desired ACV range (e.g., 200, 750). Start with the highest range if the voltagд маълум нест.
  3. Рангҳои санҷиширо ба ҷузъ ё схемаи ченшаванда пайваст кунед.
  4. Ҷилди хонедtagарзиши e дар экрани LCD.

5.3. Андозагирии ҷараёни доимӣ (DCA)

  1. For currents up to 200mA: Insert the red lead into the VΩmA jack and the black lead into the COM jack.
  2. For currents up to 10A: Insert the red lead into the 10ADC jack and the black lead into the COM jack.
  3. Set the rotary switch to the desired DCA range (e.g., 200μ, 2000μ, 20m, 200m, 10A). Start with the highest range if the current is unknown.
  4. Қувваи барқро ба схема хомӯш кунед. Open the circuit where the current is to be measured.
  5. Мултиметрро ба схема пай дар пай пайваст кунед.
  6. Қувваро ба занҷир пайваст кунед ва арзиши ҷориро дар дисплейи LCD хонед.

5.4. Ченкунии муқовимат (Ω)

  1. Insert the red lead into the VΩmA jack and the black lead into the COM jack.
  2. Set the rotary switch to the desired Resistance (Ω) range (e.g., 200, 2000, 20k, 200k, 2000k).
  3. Боварӣ ҳосил кунед, ки схемаи озмоишшуда аз барқ ​​​​хомуш карда шудааст.
  4. Симҳои санҷиширо дар байни ҷузъи ченшаванда пайваст кунед.
  5. Қимати муқовиматро дар экрани LCD хонед.

5.5. Санҷиши давомнокии шунавоӣ

  1. Insert the red lead into the VΩmA jack and the black lead into the COM jack.
  2. Set the rotary switch to the continuity symbol (speaker icon).
  3. Боварӣ ҳосил кунед, ки схемаи озмоишшуда аз барқ ​​​​хомуш карда шудааст.
  4. Connect the test leads across the component or wire.
  5. If continuity exists (low resistance), the meter will emit an audible tone. The display will show the resistance value.

5.6. Diode/Transistor Verification Mode (hFE)

  1. Insert the red lead into the VΩmA jack and the black lead into the COM jack for diode testing.
  2. Set the rotary switch to the diode symbol.
  3. Сими сурхро ба анод ва сими сиёҳро ба катоди диод пайваст кунед. Дар дисплей ҳаҷми пеш нишон дода мешавад.tagсимҳоро чаппа кунед; дар дисплей бояд нишон дода шавад, ки диоди хуб аст.
  4. For transistor hFE measurement, insert the transistor leads (Emitter, Base, Collector) into the appropriate sockets (E, B, C) in the hFE test socket, ensuring correct NPN or PNP type selection.
  5. Арзиши hFE-ро дар дисплейи LCD хонед.

6. Нигоҳдорӣ

6.1. Тозакунӣ

Ҳисобкунакро тоза кунед вasing бо рекламаamp матоъ ва шустушӯи нарм. Абразивҳо ва ҳалкунандаҳоро истифода набаред. Пеш аз истифода боварӣ ҳосил кунед, ки ҳисобкунак комилан хушк аст.

6.2. Иваз кардани батарея

Refer to Section 4.1 for battery installation instructions. Replace the 9V battery when the low battery indicator appears on the display to maintain measurement accuracy.

7. Баррасии мушкилот

  • Намоиши: Check battery installation and ensure the battery has sufficient charge.
  • 'OL' or '1' on Display: This usually indicates an over-range condition or an open circuit. Select a higher range or check connections.
  • Хониши нодуруст: Ensure the correct function and range are selected. Check test lead connections and battery condition.
  • Оҳанги бепайвандӣ: Verify the circuit is de-energized and the leads are making good contact.

8. Мушаххасоти

ПараметрАрзиш
БрендСили
Рақами моделMM19
Манбаи нерӯБатарея (9V)
НамоишDigital LCD (46 x 25mm)
Ҷилди DCtagд (DCV)200мВ, 2000мВ, 20В, 200В, 1000В
Ҷилди ACtagд (ACV)200В, 750В
Ҷараёни DC (DCA)200µA, 2000µA, 20mA, 200mA, 10A
Муқовимат (Ω)200Ω, 2000Ω, 20kΩ, 200kΩ, 2000kΩ
ДавомнокӣAudible tone below approx. 30Ω
Санҷиши диодБа пеш ҷtage drop display
Санҷиши транзисторhFE (NPN/PNP)
Рейтинги бехатарӣCE CAT II, IEC 1010
Андозаҳо (L x W x H)1.93 x 4.21 x 6.06 инч
Вазни ашё9.5 унсия (0.27 килограмм)

9. Кафолат ва дастгирӣ

For warranty information or technical support, please refer to the documentation provided with your purchase or contact Sealey customer service directly. Keep your proof of purchase for any warranty claims.

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