CEM DT-3398B

CEM DT-3398B True RMS AC/DC Clamp Panduan Pengguna Meteran

Model: DT-3398B

1. Pendahuluan dan Selesaiview

The CEM DT-3398B Series Professional True RMS Clamp Meter is designed to provide accurate AC and AC/DC current and voltage readings, irrespective of waveform distortions. This instrument is suitable for a wide range of industrial and commercial applications, particularly where non-linear loads may affect current or voltage bentuk gelombang.

Fitur utama meliputi:

  • AC/DC 2000A Current measurement with a 2-inch (52mm) jaw opening.
  • 6000 counts LCD display for clear readings.
  • True RMS measurements for accurate readings on non-sinusoidal waveforms.
  • Mengukur Voltage Range: 1000V AC/DC.
  • Measuring Resistance Range: 60MΩ.
  • Measuring Capacitance Range: 10mF.
  • NVC (Non-Contact Voltage) Detection.
  • Built-in Flashlight for illuminated work areas.
  • Bluetooth connectivity for data transmission.
  • Electronic overload protection: CAT IV 1000V.
CEM DT-3398B Clamp Meter depan view

Gambar 1: Depan view of the CEM DT-3398B Clamp Meter, showing the display, rotary dial, and function buttons.

2. Informasi Keselamatan

Read and understand all safety information before operating this meter. Failure to follow these instructions may result in electric shock, fire, or serious injury.

  • CAT IV 1000V Rating: This meter is rated for CAT IV 1000V, indicating its suitability for measurements at the source of the low-voltage instalasi, seperti meteran listrik dan perangkat proteksi arus lebih primer.
  • Bahaya Sengatan Listrik: Always assume that any circuit is live until proven otherwise. Do not touch exposed conductors or circuit components.
  • Penggunaan yang Tepat: Use the meter only as specified in this manual. Do not exceed the maximum input limits for any function.
  • Inspeksi: Before each use, inspect the meter, test leads, and accessories for any damage. Do not use if damaged.
  • Penggantian Baterai: Ensure the meter is disconnected from all circuits and powered off before opening the battery compartment.
  • Kondisi Lingkungan: Do not operate the meter in explosive atmospheres or in wet conditions.
  • Alat Pelindung Diri (APD): Always wear appropriate PPE, such as safety glasses and insulated gloves, when working with electrical circuits.

3. Fitur Produk

The DT-3398B clamp meter offers a comprehensive set of features for professional electrical measurements:

  • Pengukuran RMS Sejati: Provides accurate readings for both sinusoidal and non-sinusoidal AC waveforms.
  • Bukaan Rahang yang Besar: 2-inch (52mm) jaw opening accommodates large conductors.
  • Kapasitas Arus Tinggi: Measures up to 2000A AC/DC current.
  • Jil.tage Pengukuran: Measures up to 1000V AC/DC voltage.
  • Resistance and Capacitance: Includes functions for measuring resistance up to 60MΩ and capacitance up to 10mF.
  • Continuity Buzzer & Diode Check: For quick circuit testing.
  • Data Hold & Peak Hold: Allows freezing of displayed readings and capturing peak values.
  • Senter & Lampu Latar: Meningkatkan visibilitas di lingkungan yang remang-remang.
  • Fungsi MAKS/MIN: Records maximum and minimum readings over a measurement period.
  • Pengukuran Arus Masuk: Captures transient current surges during motor startup.
  • DCA Zero Function: For accurate DC current measurements.
  • Deteksi NCV: Volume Non-Kontaktage detection for identifying live wires without physical contact.
  • Mati Otomatis: Menghemat daya baterai.
  • Transmisi Data Bluetooth: Enables remote monitoring and data logging via a mobile application.
CEM DT-3398B Clamp Meter with power lines background, highlighting mobile app connectivity

Figure 2: The DT-3398B Clamp Meter, illustrating its capability for AC/DC TRMS measurement and mobile app integration via Bluetooth.

4. Pengaturan

4.1 Pemasangan Baterai

The DT-3398B requires one 9V battery for operation. To install or replace the battery:

  1. Ensure the meter is powered off and disconnected from all circuits.
  2. Temukan penutup kompartemen baterai di bagian belakang meteran.
  3. Gunakan obeng untuk melonggarkan sekrup yang mengencangkan penutup.
  4. Remove the cover and insert a new 9V battery, observing correct polarity.
  5. Pasang kembali penutupnya dan kencangkan sekrupnya.

4.2 Menghubungkan Kabel Uji

Untuk volumetage, resistance, capacitance, and diode measurements, connect the test leads to the input jacks:

  • Masukkan kabel tes hitam ke dalam DAPAT Dongkrak (umum).
  • Masukkan kabel tes merah ke dalam VΩCAPHzTemp mendongkrak.
User holding CEM DT-3398B Clamp Meter with test leads connected

Figure 3: User holding the DT-3398B Clamp Meter, demonstrating proper grip and test lead connection points.

5. Petunjuk Pengoperasian

This section details the operation of various functions of the DT-3398B clamp meter.

5.1 Menghidupkan/Mematikan Daya dan Pemilihan Fungsi

  • To power on the meter, rotate the central rotary dial from the MATI position to the desired measurement function.
  • To power off, rotate the dial back to the MATI posisi.
  • The meter features an Mati Otomatis function to conserve battery life. It will automatically shut down after a period of inactivity.

5.2 Pengukuran Arus AC/DC (Cl)amp Rahang)

  1. Putar tombol ke A~ (Arus AC) atau A= Posisi (Arus DC).
  2. Tekan pemicu rahang untuk membuka clamp rahang.
  3. Lingkari sebuah konduktor tunggal dengan clamp rahang. Pastikan rahang tertutup sepenuhnya.
  4. Baca nilai saat ini pada layar LCD.
  5. Untuk arus DC, gunakan DCA Nol function (if available via a button) to zero the display before measurement to eliminate residual magnetism effects.

5.3 AC/DC Voltage Pengukuran

  1. Putar tombol ke V~ (AC Voltage) atau V= (DC Jiltage) posisi.
  2. Hubungkan kabel uji hitam ke DAPAT Jack dan kabel uji merah mengarah ke VΩCAPHzTemp mendongkrak.
  3. Sentuhkan probe penguji ke titik-titik sirkuit di mana tegangantage harus diukur.
  4. Baca vol.tagnilai e pada layar LCD.

5.4 Resistance, Continuity, Diode, and Capacitance Measurement

  1. Putar tombol ke ΩCAP posisi.
  2. Hubungkan kabel uji seperti yang dijelaskan pada Bagian 4.2.
  3. Gunakan MODE button to cycle through Resistance (Ω), Continuity (buzzer icon), Diode (diode symbol), and Capacitance (CAP) functions.
  4. For resistance, connect probes across the component.
  5. Untuk memastikan kontinuitas, bunyi bip menandakan rangkaian yang kontinu.
  6. For diode test, connect probes across the diode.
  7. For capacitance, connect probes across the capacitor (ensure it is discharged).

5.5 NCV (Volume Non-Kontak)tage) Deteksi

  1. Putar tombol ke NCV posisi.
  2. Move the top of the meter near a conductor or outlet.
  3. The meter will emit an audible beep and/or visual indication (e.g., flashing LED) if AC voltage terdeteksi.

5.6 Special Functions (HOLD, MAX/MIN, Inrush, Flashlight, Bluetooth)

  • MEMEGANG: Tekan tombol MEMEGANG Tekan tombol untuk membekukan pembacaan saat ini pada layar. Tekan lagi untuk melepaskan.
  • MAKSIMUM/MIN: In a measurement function, press the MAKS/MIN button to enter MAX/MIN recording mode. The meter will display the maximum or minimum value recorded. Press again to cycle.
  • Arus masuk: This function is typically activated by a dedicated button or a specific dial position. It measures the initial surge current when a device (like a motor) starts up.
  • Senter: Press the flashlight button (if dedicated) or hold a specific function button to activate the built-in flashlight.
  • Bluetooth dapat digunakan untuk berbagai keperluan, seperti: Activate Bluetooth on the meter (if a dedicated button exists) and pair with a compatible mobile device running the specified application for data logging and remote viewing. Refer to the mobile application's instructions for detailed usage.
CEM DT-3398B Clamp Meter measuring current on a wire, highlighting features like Peak Hold and Inrush Current

Figure 4: The DT-3398B Clamp Meter in use, demonstrating its ability to measure current and highlighting advanced features such as Peak Hold and Inrush Current measurement.

6. Pemeliharaan

6.1 Pembersihan

Usap casing meteran dengan adamp Gunakan kain dan deterjen ringan. Jangan gunakan bahan abrasif atau pelarut. Pastikan meteran benar-benar kering sebelum digunakan.

6.2 Penggantian Baterai

Refer to Section 4.1 for instructions on battery replacement. Replace the battery when the low battery indicator appears on the display to ensure accurate measurements.

6.3 Kalibrasi

Periodic calibration by qualified personnel is recommended to ensure the meter maintains its accuracy over time. Contact CEM customer support for calibration services.

7. Penyelesaian masalah

Masalah Kemungkinan Penyebab Larutan
Meter tidak menyala. Baterai mati atau tidak terpasang dengan benar. Ganti baterai 9V, pastikan polaritasnya benar.
Pembacaan yang tidak akurat. Low battery, incorrect function selected, damaged test leads, external interference. Replace battery, verify function, check test leads for damage, move away from strong electromagnetic fields.
"OL" atau "OVER" ditampilkan. Measurement exceeds the meter's range. Pilih rentang yang lebih tinggi jika tersedia, atau pastikan nilai yang diukur berada dalam spesifikasi meteran.
Tidak ada deteksi NCV. Tanpa AC jilidtage hadir, atau meteran tidak cukup dekat dengan sumbernya. Verify the presence of AC voltage with another method, ensure the meter's NCV sensor is close to the conductor.
Masalah koneksi Bluetooth. Bluetooth not enabled on meter or mobile device, app issues, out of range. Ensure Bluetooth is active on both devices, restart app, move closer to the meter.

8. Spesifikasi

The following table outlines the key technical specifications for the CEM DT-3398B Clamp Meter:

Fungsi Kisaran Maks Akurasi Dasar Resolusi Maks.
AC Saat Ini 2000 Sebuah ± (2.5% + 5d) 1A
Arus DC 2000 Sebuah ± (2.5% + 5d) 1A
AC Jiltage 1000V ± (0.8% + 2d) 0.1mV
DC Jiltage 1000V ± (1.0% + 4d) 0.1mV
Perlawanan 60MΩ ± (1.0% + 5d) 0.1Ω
Kapasitansi 10mF ± (3.0% + 5d) 0.01nF
Electronic Frequency 100kHz ± (1.2% + 3d) frekuensi 0.01kHz
Suhu 1000°C/1832°F ± (3.0% + 5d) 1 derajat Celcius
Distorsi Harmonik Total 99.9% 0.1% ± (3% + 10d)
Pengukuran distorsi harmonik 99.9% 0.1% ± (5% + 10d)
Daya Aktif 999.9 kW A error x Vreading + Verror x Areading *
Faktor Daya -1.0 ~ 0.0 ~ 1.0 ± (3% + 1d) *
Pemeriksaan kontinuitas Buzzer sounds at 50Ω *
Uji dioda Test current <0.5mA Max 3V *

Spesifikasi Umum:

  • Menampilkan: 6000 menghitung LCD
  • Pembukaan Rahang: 2 inci (52mm)
  • Catu Daya: Baterai 9V
  • Dimensi (P x L x T): Ukuran 308mm x 97mm x 47mm
  • Berat: 732 gram
  • Peringkat Keamanan: KUCINGIV 1000V
  • Sertifikat: CE, ISO 9001, RoHS
  • Aksesoris: Test leads, temperature probe (for 3398B/3398W), gift box with carrying case. (Note: 9V battery is required and typically included, contradicting some accessory lists.)
Detailed specifications table for CEM DT-3398B Clamp Meter

Figure 5: Detailed technical specifications for the DT-3398B Clamp Meter, including measurement ranges, accuracy, and resolution.

9. Garansi dan Dukungan

The manufacturer provides a 2-year availability for spare parts. For warranty claims, technical support, or service inquiries, please contact your local distributor or the manufacturer directly. Keep your purchase receipt as proof of purchase.

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