Irfora T58B Digital Multimeter User Manual

1. تعارف

Thank you for choosing the Irfora T58B Digital Multimeter. This instrument is a handheld, true RMS digital multimeter designed for accurate measurement of AC/DC voltage, AC/DC current, frequency, resistance, capacitance, and diodes. It is a versatile tool for solving industrial and household electrical problems, suitable for both DIY enthusiasts and professionals.

Please read this manual thoroughly before use to ensure safe and proper operation. Keep this manual for future reference.

2. حفاظت جي ڄاڻ

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

• Always ensure the meter is in the correct function and range for the measurement.
• درجه بندي واري حجم کان وڌيڪ لاڳو نه ڪريوtage، جيئن ميٽر تي نشان لڳل آهي، ٽرمينل جي وچ ۾ يا ڪنهن ٽرمينل ۽ زمين جي وچ ۾.
• وول سان ڪم ڪرڻ وقت احتياط استعمال ڪريوtag30V AC RMS، 42V چوٽي، يا 60V DC کان مٿي. اهڙو وولٽtagاهو هڪ جھٽڪو جو خطرو آهي.
• Before making current measurements, ensure the meter's fuses are intact and the test leads are connected to the correct input jacks.
• افعال يا حدون تبديل ڪرڻ کان اڳ ٽيسٽ ليڊز کي سرڪٽ کان ڌار ڪريو.
• جيڪڏهن ميٽر خراب نظر اچي يا ٽيسٽ ليڊز تي موصليت خراب ٿي وئي هجي ته ان کي استعمال نه ڪريو.
• غلط پڙهڻ کان بچڻ لاءِ جيئن ئي گهٽ بيٽري جو اشارو ظاهر ٿئي ته بيٽري کي جلد کان جلد تبديل ڪريو.
• مقامي ۽ قومي حفاظتي ضابطن تي عمل ڪريو.

3. پراڊڪٽ ختمview

The Irfora T58B Digital Multimeter features a robust design and a clear LCD display for easy readings.

شڪل 3.1: سامهون view of the Irfora T58B Digital Multimeter with labeled components. Key features include the LED Display, NCV and Buzzer Indicator Light, Gear Rotary Switch, Input Sockets, and various function buttons.

شڪل 3.2: Dimensions of the Irfora T58B Digital Multimeter. The device measures approximately 187mm (7.36in) in height, 95mm (3.74in) in width, and 55mm (2.16in) in depth.

شڪل 3.3: ريڙهه view of the multimeter showing the 90-degree adjustable support stand and integrated storage slots for test leads, designed for convenience and protection.

شڪل 3.4: مٿانview of the Irfora T58B Digital Multimeter's capabilities, including 9999 counts display, and measurement of current, resistance, capacitance, temperature, and frequency.

اهم خاصيتون:

• 9999 Counts LCD Digital Display with Backlight
• صحيح RMS ماپ
• غير رابطي وارو جلدtage (NCV) جي چڪاس
• خودڪار پاور بند
• Data Hold and Relative Value Measurement
• Flashlight Function for low-light conditions
• ماپون AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, and Temperature
• ڊيوڊ ۽ تسلسل ٽيسٽ

4. سيٽ اپ

4.1. بيٽري لڳائڻ

The Irfora T58B Multimeter requires 3 x 1.5V AAA batteries (not included). To install or replace batteries:

1. Ensure the multimeter is turned OFF and disconnect all test leads from the input terminals.
2. ميٽر جي پوئين پاسي بيٽري جي ڪمپارٽمينٽ ڪَوَر کي ڳوليو.
3. بيٽري جي ڍڪ کي محفوظ ڪرڻ واري اسڪرو کي کولڻ لاءِ اسڪرو ڊرايور استعمال ڪريو.
4. Remove the cover and insert the 3 AAA batteries, observing the correct polarity (+ and -).
5. Replace the battery cover and tighten the screw(s).

نوٽ: Remove batteries if the meter is not used for an extended period to prevent leakage.

4.2. ٽيسٽ ليڊز کي ڳنڍڻ

Always connect the black test lead to the "COM" (Common) input jack. Connect the red test lead to the appropriate input jack based on the measurement type:

• لاء Voltage, Resistance, Capacitance, Frequency, Diode, and Temperature measurements: Connect the red lead to the "VΩHz°C" jack.
• For Current measurements (up to 600mA): Connect the red lead to the "µA mA" jack.
• For High Current measurements (up to 10A): Connect the red lead to the "10A" jack.

Ensure test leads are fully inserted into the jacks before use.

5. آپريٽنگ هدايتون

To operate the multimeter, turn the Gear Rotary Switch to the desired function. The meter will automatically select the appropriate range in most modes (AUTO function).

5.1. AC/DC Voltage ماپڻ

1. Turn the rotary switch to the "V~" (AC Voltage) or "V-" (DC Voltage) پوزيشن.
2. Connect the black test lead to the "COM" jack and the red test lead to the "VΩHz°C" jack.
3. ٽيسٽ پروبس کي سرڪٽ پوائنٽس تي ڇڪيو جتي وولtage کي ماپيو وڃي.
4. جلد پڙهوtagاي قدر LCD ڊسپلي تي.

5.2. AC/DC موجوده ماپ

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

1. Turn the rotary switch to the "µA mA" or "A" position for AC or DC current. Use the "FUNC" button to switch between AC and DC if necessary.
2. Connect the black test lead to the "COM" jack. Connect the red test lead to the "µA mA" jack for currents up to 600mA, or to the "10A" jack for currents up to 10A.
3. Open the circuit where current is to be measured and connect the meter in series with the load.
4. LCD ڊسپلي تي موجوده قدر پڙهو.

5.3. مزاحمت جي ماپ

1. Turn the rotary switch to the "Ω" position.
2. Connect the black test lead to "COM" and the red test lead to "VΩHz°C".
3. مزاحمت کي ماپڻ کان اڳ پڪ ڪريو ته سرڪٽ ڊي-انرجائيز ٿيل آهي.
4. Touch the test probes across the component or circuit where resistance is to be measured.
5. LCD ڊسپلي تي مزاحمت جي قيمت پڙهو.

5.4. گنجائش جي ماپ

1. Turn the rotary switch to the "Capacitance" position (often shared with other functions, use FUNC button if needed).
2. Connect the black test lead to "COM" and the red test lead to "VΩHz°C".
3. Discharge the capacitor completely before measurement to avoid damage to the meter.
4. ڪيپيسيٽر ٽرمينلز تي ٽيسٽ پروبس کي ڇهو.
5. LCD ڊسپلي تي capacitance قدر پڙهو.

5.5. تعدد جي ماپ

1. Turn the rotary switch to the "Hz" position.
2. Connect the black test lead to "COM" and the red test lead to "VΩHz°C".
3. سرڪٽ ۾ ٽيسٽ پروبس کي ڇهيو جتي فريڪوئنسي ماپڻي آهي.
4. LCD ڊسپلي تي تعدد قدر پڙهو.

5.6. Diode Test and Continuity

1. Turn the rotary switch to the "Diode/Continuity" position. Use the "FUNC" button to toggle between diode test and continuity.
2. Connect the black test lead to "COM" and the red test lead to "VΩHz°C".
3. For Diode Test: Place the red probe on the anode and the black probe on the cathode. The display will show the forward voltagاي ڊراپ. پروبس کي الٽ ڪريو؛ ڊسپلي کي سٺي ڊاءِڊ لاءِ "OL" (اوپن لوپ) ڏيکارڻ گهرجي.
4. For Continuity Test: Touch the probes to the circuit points. If resistance is below approximately 50Ω, the buzzer will sound, indicating continuity.

5.7. حرارت جي ماپ

1. Turn the rotary switch to the "°C/°F" position.
2. Connect the thermocouple (included) to the "VΩHz°C" and "COM" jacks, observing polarity.
3. Place the thermocouple tip on the object or area where temperature is to be measured.
4. Read the temperature value on the LCD display. Use the "FUNC" button to switch between Celsius and Fahrenheit.

5.8. غير رابطي واري جلدtage (NCV) جي چڪاس

شڪل 5.1: Demonstrating NCV (Non-Contact Voltage) detection. The meter's top is placed near an AC voltage source, and the signal strength indicator lights up, accompanied by an audible alarm.

1. Turn the rotary switch to the "NCV" position.
2. Place the top of the meter (NCV sensing area) close to the conductor or outlet you suspect has AC voltage.
3. جيڪڏهن AC وولٽtage is detected, the corresponding signal strength indicator (low-yellow, high-red) will light up, and the buzzer will emit different frequency alarms based on signal strength.

5.9. Backlight and Flashlight

شڪل 5.2: The multimeter's backlit screen and integrated flashlight illuminate the display and work area, enhancing visibility in dark environments.

Press the "Lighting/Backlight" button (often marked with a light bulb icon) to turn on the display backlight. Press and hold the same button to activate the flashlight located at the top of the meter. Press again to turn off.

5.10. خودڪار بجلي بند

شڪل 5.3: The multimeter features an automatic shutdown function, turning off after approximately 15 minutes of inactivity to conserve battery life.

The multimeter will automatically power off after approximately 15 minutes of inactivity to conserve battery life. An audible voice prompt will sound before shutdown. To restart the meter, press any button or turn the rotary switch.

6. سار سنڀال

6.1. صفائي

ميٽر کي اشتهار سان صاف ڪريوamp ڪپڙو ۽ هلڪو صابڻ. رگڙيندڙ يا محلول استعمال نه ڪريو. ان پٽ ٽرمينلز کي مٽي ۽ نمي کان پاڪ رکو.

6.2. بيٽري مٽائڻ

When the low battery indicator appears on the display, replace the batteries as described in Section 4.1. Prompt battery replacement ensures accurate readings.

6.3. فيوز مٽائڻ

If the meter fails to measure current, the fuse may be blown. To replace the fuse:

1. Ensure the multimeter is turned OFF and disconnect all test leads.
2. Open the battery compartment cover as described in Section 4.1.
3. احتياط سان پراڻي فيوز کي هٽايو.
4. Replace with a fuse of the same type and rating:
   • For µA mA input: F 600mA/250V
   • For 10A input: F 10A/250V
5. Replace the battery cover and tighten the screw(s).

7. مسئلا حل ڪرڻ

جيڪڏهن انهن حلن جي ڪوشش ڪرڻ کان پوءِ به مسئلو برقرار رهي ته ڪسٽمر سپورٽ سان رابطو ڪريو.

8. وضاحتون

The following specifications are for the Irfora T58B Digital Multimeter:

عام وضاحتون:

• Display: 9999 Counts LCD display
• Safety Rating: CAT III 600V, CAT II 1000V
• Pollution Grade: 2
• Working Height: Under 2000m
• Working Temperature: 0-40°C (<80%RH, not considered <10°C)
• Storage Temperature: -10~60°C (<80%RH, remove battery)
• Test/Calibration Ambient Temperature: 20°C ± 2°C
• و Vol ۾ و Voltage between Measurement End and Ground: 1000V DC or 750V AC
• فيوز تحفظ:
  • For µA mA input: F 600mA/250V
  • For 10A input: F 10A/250V
• Conversion Rate: Approximately 3 readings/second
• Overload Display: "OL"
• Power Supply: 3 * 1.5V AAA batteries (Not included)
• Item Size: 187 * 95 * 55mm / 7.36 * 3.74 * 2.16in
• Item Weight: 331g / 11.67oz

ماپ جون حدون:

• ڊي سي جلدtage: 100mV, 600mV, 1V, 60V, 600V, 1000V
• AC جلدtage: 100mV, 600mV, 1V, 60V, 600V, 750V
• DC Current: 600µA, 6mA, 60mA, 600mA, 6A, 10A
• AC Current: 600µA, 6mA, 60mA, 600mA, 6A, 10A
• Resistance: 600Ω, 6kΩ, 60kΩ, 600kΩ, 6MΩ, 60MΩ
• Capacitance: 6nF, 60nF, 600nF, 6µF, 60µF, 600µF, 6mF, 60mF
• Frequency: 100Hz, 1KHz, 10KHz, 100KHz, 1MHz, 10MHz, 25MHz
• Temperature: -50°C~1000°C / -58°F~1832°F
• ڊيوڊ ٽيسٽ: ها
• Buzzer (Continuity): Yes

9. وارنٽي ۽ سپورٽ

For warranty information or technical support, please refer to the purchase platform or contact Irfora customer service directly. Keep your purchase receipt as proof of purchase.

رابطي جي ڄاڻ: Please refer to the seller's contact details on the platform where the product was purchased.