Model: U1242C
The KEYSIGHT U1242C is a robust and reliable handheld digital multimeter (DMM) designed for professional and industrial use. It offers high accuracy, durability, and advanced features for various electrical measurements. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your U1242C DMM.
Fitur utama meliputi:
WARNING: Read and understand all safety instructions before operating this device. Failure to follow these instructions may result in injury or damage to the meter.

This image displays the front of the KEYSIGHT U1242C Digital Multimeter, showing its large orange casing, the dual display screen, the rotary dial for function selection, and the input jacks for test leads. Various buttons for functions like Max/Min, Hz, Log, Hold, and Range are visible around the display.

Gambar ini menunjukkan sisi profile of the KEYSIGHT U1242C Digital Multimeter, highlighting its ergonomic design and the textured grip on the orange casing. The side view emphasizes the compact and robust build of the device.

This image presents the back of the KEYSIGHT U1242C Digital Multimeter, revealing the battery compartment cover, the kickstand for hands-free operation, and the product label with model and serial number information. The robust construction of the casing is also evident.
Always connect the test leads to the appropriate input jacks for the measurement you intend to perform. Incorrect connection can lead to damage to the meter or personal injury.
This section outlines the basic steps for performing common measurements with your U1242C DMM.
CAUTION: Never connect the meter in parallel with a voltagSumber arus listrik dapat menyebabkan putusnya sekring atau kerusakan pada meteran.
The U1242C supports data logging. Refer to the detailed user manual for specific instructions on activating and managing data logging functions, including connecting to a PC with the software bundle for extended logging capabilities.
Bersihkan meteran casing dengan iklanamp Gunakan kain dan deterjen ringan. Jangan gunakan bahan abrasif atau pelarut. Pastikan meteran benar-benar kering sebelum digunakan.
When the battery indicator appears on the display, replace the batteries as described in Section 4.1. Prompt battery replacement ensures accurate readings and proper operation.
WARNING: Always replace blown fuses with fuses of the exact same type and rating to maintain safety and performance.
The U1242C is factory calibrated. For continued accuracy, periodic calibration by a qualified service center is recommended. Refer to KEYSIGHT's official support channels for calibration services.
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Meter tidak menyala | Baterai mati atau tidak dipasang dengan benar | Ganti baterai, periksa polaritasnya |
| Tidak ada pembacaan atau "OL" (Kelebihan Beban) yang ditampilkan | Incorrect function selected; Open circuit; Input exceeds range | Select correct function; Check circuit continuity; Select higher range or auto-range |
| Pembacaan yang tidak akurat | Low battery; Dirty test leads; Environmental interference; Needs calibration | Replace battery; Clean leads; Move away from interference; Consider calibration |
| Pengukuran arus tidak berfungsi | Blown fuse; Incorrect lead connection; Meter not in series | Check/replace fuse; Verify lead connection; Ensure meter is in series with circuit |
| Fitur | Spesifikasi |
|---|---|
| Nomor Model | U1242C |
| Jumlah Tampilan | 50,000 |
| Basic DC Voltage Akurasi | 0.03% |
| Pengukuran AC | RMS sejati |
| Peringkat Perlindungan Ingress (IP) | IP 67 |
| Perlindungan Jatuh | Hingga 3 meter (10 kaki) |
| Sumber Daya | Bertenaga Baterai |
| Berat Barang | 1 pon (16 ons) |
| Pabrikan | PENGLIHATAN KUNCI |
| Tanggal Pertama Tersedia | 22 Mei 2018 |
Keysight Technologies products are classified as industrial monitoring and control equipment designed exclusively for professional or industrial use and related training programs. Keysight products are designed and certified to meet national industrial safety standards (such as Electrical Equipment for Measurement, Control and Laboratory Use) where products are sold solely for use by trained professionals. Keysight products are not intended for consumer use in a residential setting and may not meet consumer level standards for EMC and other regulated radiated emissions. Keysight products are intended for use in the country where the product was originally sold.
For technical assistance, service, or warranty claims, please contact KEYSIGHT customer support through their official website or authorized service centers. Provide your product model number (U1242C) and serial number when seeking support.