فلڪ 77-4 1000V CAT III آٽو ۽ مينوئل رينجنگ انڊسٽريل ڊجيٽل ملٽي ميٽر يوزر مينوئل

1. کانview

The Fluke 77-4 Digital Multimeter is a robust and reliable tool designed for industrial electrical troubleshooting. It offers essential measurement capabilities with enhanced safety features, including a CAT III 1000V rating. This manual provides instructions for safe and effective use, setup, operation, and maintenance of your Fluke 77-4 multimeter.

2. حفاظت جي ڄاڻ

Always adhere to safety precautions when using any electrical test equipment. Failure to do so may result in injury or damage to the multimeter or equipment under test.

• Rated for CAT III 1000V: This multimeter is designed for measurements in distribution-level electrical installations, including main feeders and branch circuits. Do not exceed the specified voltagاي درجه بندي.
• Inspect Test Leads: Before each use, inspect test leads for damaged insulation or exposed metal. Replace damaged leads immediately.
• گندي حالتن ۾ ڪم نه ڪريو: Avoid using the multimeter in damp يا گندو ماحول.
• Use Proper Terminals: Always connect test leads to the correct input terminals for the desired measurement.
• فيوز چيڪ ڪريو: Ensure fuses are correctly rated and installed before measuring current.
• الڳ ڪرڻ جي طاقت: Whenever possible, de-energize circuits before making connections.

3. مصنوعات جون خاصيتون

The Fluke 77-4 Multimeter includes the following key features:

• وڏي ڊجيٽل ڊسپلي: Provides clear and easy-to-read measurement results.
• ڏيکاريو Backlight: Improves visibility in dimly lit environments.
• Min/Max Recording: Captures minimum and maximum readings to detect signal fluctuations.
• خودڪار ۽ دستي رينجنگ: Allows for automatic range selection or manual override for specific measurement needs.
• وسيع جلدtagاي ماپ جي حد: Capable of measuring DC Voltage from 6V to 1000V and AC Voltage from 600mV to 1000V.
• صنعتي گريڊ: Designed for demanding industrial applications.
• پائيدار تعمير: Manufactured in Taiwan for reliable performance.

4. جزا ۽ ڪنٽرول

Familiarize yourself with the various parts of your Fluke 77-4 Multimeter:

شڪل 1: سامهون view of the Fluke 77-4 Digital Multimeter.

هي تصوير سامهون ڏيکاري ٿي view of the Fluke 77-4 Digital Multimeter. The large green backlit LCD shows '1000 V AC' with 'Auto Range' indicated below. Below the display are buttons for HOLD, MINMAX, and RANGE. The central rotary dial is set to the AC Voltage (V~) position. Input jacks for 400mA, 10A, VΩHz, and COM are visible at the bottom.

1. ڏيکاريو: Large LCD for showing measurement values, units, and function indicators.
2. Backlight بٽڻ: ڊسپلي بيڪ لائيٽ کي چالو يا غير فعال ڪري ٿو.
3. هولڊ بٽڻ: موجوده ڊسپلي ريڊنگ کي منجمد ڪري ٿو.
4. MINMAX Button: Records the minimum, maximum, and average readings over time.
5. رينج بٽڻ: آٽو-رينجنگ ۽ مينوئل رينجنگ موڊس جي وچ ۾ ٽوگل ڪري ٿو.
6. Rotary Function Dial: Selects the desired measurement function (e.g., V AC, V DC, Ohms, Amps).
7. ان پٽ جڪس:
   • VΩHz: وول لاءِ مثبت ان پٽtage, resistance, and frequency measurements.
   • mA: Input for milliampere current measurements (fused).
   • 10A: Input for high current measurements up to 10 Amperes (fused).
   • COM: سڀني ماپن لاءِ عام (منفي) ان پٽ.

5. سيٽ اپ

5.1. بيٽري لڳائڻ

The Fluke 77-4 is powered by a 9V battery. To install or replace the battery:

1. پڪ ڪريو ته ملٽي ميٽر بند آهي.
2. Locate the battery compartment cover on the rear of the multimeter.
3. ڍڪ کي محفوظ ڪندڙ اسڪرو کي کولڻ لاءِ اسڪرو ڊرايور استعمال ڪريو.
4. Remove the cover and insert a new 9V battery, observing correct polarity.
5. ڍڪ کي تبديل ڪريو ۽ اسڪرو کي مضبوط ڪريو.

5.2. ٽيسٽ ليڊز کي ڳنڍڻ

Always connect the black test lead to the COM jack. Connect the red test lead to the appropriate input jack for your measurement:

• VΩHz: جلد لاءِtage, resistance, continuity, diode, and frequency measurements.
• mA: For current measurements up to 400mA.
• 10A: For current measurements up to 10A.

6. آپريٽنگ هدايتون

Before taking any measurement, ensure the test leads are correctly connected and the function dial is set to the appropriate position.

6.1. اي سي/ڊي سي وول جي ماپtage

1. Turn the rotary dial to V~ (AC Voltage) or V (DC Voltag۽.
2. Connect the black test lead to the COM jack and the red test lead to the VΩHz jack.
3. ٽيسٽ پروبس کي سرڪٽ پوائنٽس تي ڇڪيو جتي وولtage کي ماپيو وڃي.
4. جلد پڙهوtage قدر ڊسپلي تي.

6.2. Measuring Resistance (Ohms)

1. مزاحمت کي ماپڻ کان اڳ پڪ ڪريو ته سرڪٽ ڊي-انرجائيز ٿيل آهي.
2. Turn the rotary dial to Ω.
3. Connect the black test lead to the COM jack and the red test lead to the VΩHz jack.
4. Touch the test probes across the component or circuit segment.
5. ڊسپلي تي مزاحمت جي قدر پڙهو.

6.3. Measuring Current (Ampسال)

احتياط: Current measurements require breaking the circuit and inserting the multimeter in series. Incorrect connection can blow the fuse or damage the meter.

1. سرڪٽ کي توانائي ڏيو.
2. Determine the expected current range. For currents up to 400mA, turn the dial to mA and connect the red lead to the mA jack. For currents up to 10A, turn the dial to A and connect the red lead to the 10A jack.
3. ڪارو ٽيسٽ ليڊ کي COM جيڪ سان ڳنڍيو.
4. Break the circuit and connect the test probes in series with the load.
5. Re-energize the circuit and read the current value.
6. De-energize the circuit before disconnecting the multimeter.

6.4. Using HOLD, MINMAX, and RANGE Functions

• هولڊ: ڊسپلي تي موجوده پڙهڻ کي منجمد ڪرڻ لاءِ هولڊ بٽڻ دٻايو. ڇڏڻ لاءِ ٻيهر دٻايو.
• MINMAX: Press the MINMAX button to activate recording. The meter will display the maximum, minimum, and average readings sequentially. Press again to cycle through Min, Max, Avg. Hold the button to exit.
• رينج In auto-ranging modes, the meter automatically selects the best range. Press RANGE to switch to manual ranging. Each subsequent press will cycle through available ranges. Hold the button to return to auto-ranging.

7. سار سنڀال

7.1. صفائي

اشتهار سان ڪيس صاف ڪريوamp cloth and mild detergent. Do not use abrasives or solvents. Ensure the multimeter is dry before use.

7.2. بيٽري مٽائڻ

Refer to Section 5.1 for battery installation instructions. Replace the battery when the low battery indicator appears on the display.

7.3. فيوز مٽائڻ

If the multimeter fails to measure current, the fuse may be blown. Refer to the multimeter's internal diagram or contact Fluke support for correct fuse specifications and replacement procedures. Always use fuses with the specified voltagاي ۽ موجوده درجه بندي.

8. مسئلا حل ڪرڻ

9. وضاحتون

10. وارنٽي ڄاڻ

Specific warranty terms for the Fluke 77-4 Digital Multimeter are typically provided with the product at the time of purchase or can be found on the official Fluke website. Please refer to your product documentation or the manufacturer's website for detailed warranty coverage and registration information.

11. ڪسٽمر سپورٽ

For technical assistance, service, or repair, please contact Fluke customer support. You can find contact information and additional resources on the official Fluke website. When contacting support, please have your product model number (77-4) and serial number (if applicable) ready.

فلڪ Webسائيٽ: www.fluke.com