Extech MM750W Datalogging True RMS Multimeter User Manual

1. Киришүү

This manual provides instructions for the safe and effective use of the Extech MM750W Datalogging True RMS Multimeter. The MM750W is a robust, full-featured multimeter designed for professional use, offering 14 functions including non-contact AC voltage detection and Type K temperature measurements. Its CAT IV safety rating ensures protection in industrial environments. A key feature is its wireless datalogging capability via Bluetooth, allowing real-time data transmission to smart devices using the ExView W-Series app.

Сүрөт 1: Алдыңкы view of the Extech MM750W Datalogging True RMS Multimeter, showing the display, function dial, and input jacks.

2. Коопсуздук маалыматы

WARNING: Read and understand all safety information and operating instructions before using this meter. Failure to do so may result in serious injury or death.

• Ар дайым жергиликтүү жана улуттук коопсуздук эрежелерин сактаңыз.
• Эгерде эсептегич бузулуп калса же сыноо өткөргүчтөрү бузулса, колдонбоңуз.
• Өлчөө жүргүзүлүп жаткан учурда функциянын которгучу туура абалда экенин текшериңиз.
• Observe all terminal ratings and never exceed the maximum input limits.
• Том менен иштөөдө этият болуңузtag30V AC RMS, 42V пик же 60V DC жогору, анткени булар шок коркунучун жаратат.
• Коопсуздук көз айнеги жана изоляцияланган кол кап сыяктуу тиешелүү жеке коргонуу каражаттарын (ЖКК) кийиңиз.
• The MM750W is rated for CAT IV 600V and CAT III 1000V. Understand the implications of these categories for safe measurement.

3. Негизги өзгөчөлүктөрү

• Wireless Datalogging: Records and transmits over 15,000 readings to iOS and Android devices via Bluetooth Datalogging Module (DAT12) for remote viewing using the free ExView W-Series app.
• 14 Өлчөө функциялары: Includes AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode Test, Continuity, Non-Contact AC Voltage (NCV), and Type K Temperature.
• Чыныгы RMS: Provides accurate AC measurements for non-sinusoidal waveforms.
• AC µA Function: Ideal for HVAC flame rod current measurements.
• Маалыматтарды тартуу: Allows snapshots of the measurement area with a connected smartphone or tablet camera to document date/time stamps and measurement data.
• CAT IV коопсуздук рейтинги: Provides enhanced protection in industrial environments.

4. Кутуда эмне бар

Таңгактан чыгарганда бардык буюмдардын бар экенин жана бузулбаганын текшериңиз:

• Extech MM750W Multimeter
• Сыноо өткөргүчтөрү (бири кызыл, бири кара)
• Type K Bead Wire Temperature Probe
• Bluetooth Datalogging Module (DAT12)
• 9V Battery (installed or separate)
• Жумшак ташуучу куту

Figure 2: The Extech MM750W Multimeter shown with its complete set of accessories, including test leads, a Type K temperature probe, the DAT12 Bluetooth module, and a soft carrying case.

5. Орнотуу

5.1. Батареяны орнотуу

1. Эсептегич өчүрүлгөнүн текшериңиз.
2. Эсептегичтин арткы бетиндеги батарея бөлүмүн табыңыз.
3. Батареянын капкагын бекитүүчү буроону алып салуу үчүн бурагычты колдонуңуз.
4. Батарейканын капкагын кылдаттык менен алып салыңыз.
5. Connect a 9V battery to the battery clips, observing correct polarity.
6. Батареяны бөлүккө салып, капкакты буроо менен бекитип, ордуна коюңуз.

5.2. Сыноочу туташуусу

Always connect the test leads correctly for the desired measurement function.

• Көпчүлүк үчүн томtage, resistance, continuity, and diode measurements, insert the red test lead into the VΩµA input jack and the black test lead into the COM input jack.
• For current measurements up to 600mA, insert the red test lead into the VΩµA input jack and the black test lead into the COM input jack.
• For current measurements up to 10A, insert the red test lead into the 10A input jack and the black test lead into the COM input jack.

3-сүрөт: Арткы view of the Extech MM750W Multimeter, showing the integrated test lead holders and the battery compartment cover. The test leads are shown connected and stored.

5.3. Bluetooth Datalogging Module (DAT12)

The DAT12 module enables wireless communication with smart devices.

1. Insert the DAT12 module into the dedicated port on the top of the multimeter.
2. Download the free ExView W-Series app from your device's app store (iOS or Android).
3. Акылдуу түзмөгүңүздө Bluetooth күйгүзүңүз.
4. Ex ачView W-Series app and follow the on-screen instructions to pair with the MM750W.

6. Операция

6.1. Basic Measurements

Turn the rotary switch to the desired function. The display will show the measurement value.

• Тtage (V~, V-): AC же DC том тандаңызtage. Connect test leads in parallel with the circuit.
• Current (A~, A-): Select AC or DC current. Connect test leads in series with the circuit. Ensure correct input jack (µA/mA or 10A).
• Каршылык (Ω): Turn off power to the circuit. Connect test leads across the component.
• Үзгүлтүксүздүк ()))): Turn off power. Connect test leads across the circuit. A tone indicates continuity.
• Диод сыноо (→|): Turn off power. Connect test leads across the diode.

Figure 4: An electrician safely measuring voltage within an electrical panel using the Extech MM750W Multimeter. The meter's display is visible, showing a reading.

6.2. Өркүндөтүлгөн функциялар

• Контактсыз AC Voltage (NCV): Position the top of the meter near an AC voltage source. The NCV indicator will illuminate, and an audible tone will sound if AC voltagе аныкталат.
• Type K Temperature (Temp): Insert the Type K bead wire probe into the VΩµA and COM jacks (observing polarity). Select the temperature function.
• МАКС/МИН: Press the MAX/MIN button to record the maximum and minimum readings during a measurement session.
• Салыштырмалуу режим (REL): Press the REL button to store the current reading as a reference and display subsequent measurements as a deviation from this reference.
• Жыштык/Жумуш цикли (Гц/%): Select the appropriate function to measure frequency or duty cycle of an AC signal.

Figure 5: A technician using the Extech MM750W Multimeter with its Type K temperature probe to measure the temperature of a furnace flue, demonstrating the meter's temperature measurement capability.

6.3. Datalogging and Bluetooth Connectivity

ЭксView W-Series app enhances the functionality of your MM750W.

1. Ensure the DAT12 module is connected and the meter is paired with your smart device via the ExView W-Series app.
2. Колдонмонун ичинде сиз жасай аласыз view real-time readings, initiate datalogging sessions, and configure logging intervals.
3. The app allows you to generate reports, analyze collected data, and add notes or photos (taken with your smart device camera) to specific readings for comprehensive documentation.
4. Your smart device can also serve as a second display for convenient viewing or sharing of measurements from a safe distance.

7. Техникалык тейлөө

7.1. Тазалоо

Эсептегичтин кутучасын жарнама менен сүртүңүзamp кездеме жана жумшак жуугуч. Абразивдерди же эриткичтерди колдонбоңуз. Колдонуудан мурун эсептегич толугу менен кургатылганын текшериңиз.

7.2. Батареяны алмаштыруу

When the battery symbol appears on the display, replace the 9V battery as described in Section 5.1. Prompt battery replacement ensures accurate readings and proper meter function.

8. Кыйынчылыктарды

9. Техникалык шарттар

10. Кепилдик жана колдоо

Extech Instruments provides a warranty for this product against defects in materials and workmanship. Specific warranty terms and duration may vary by region and purchase date. Please refer to the warranty card included with your product or visit the official Extech webтолук кепилдик маалымат алуу үчүн сайт.

For technical support, service, or replacement parts, please contact Extech Customer Service. Contact information can typically be found on the Extech webсайтында же өнүмүңүздү коштогон документтерде.