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SPECIFICATIONS HANDHELD DIGITAL MULTIMETER – KEYSIGHT U1242B
General technical data |
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| Display resolution | 10, 000 |
| Display | 4 ½-digit Liquid Crystal Display (LCD) with maximum reading of 10,000-count
Automatic polarity indication |
| AC bandwidth | 2 kHz |
| True RMS | AC |
| Voltage DC | Range: 100 mV to 1000 V
Accuracy: 0.1% + 2 counts |
| Voltage AC | Range: 100 mV to 1000 V
Accuracy: 1.0% + 3 counts |
| Power consumption | 530 mVA maximum with backlight and flashlight. |
| Battery life | 400 hours |
| Connectivity | Infrared (IR) port, connect with IR-USB cable |
| Operating environment | Full accuracy from –20 °C to 55 °C; and up to 80% R.H. for temperature up to 30 °C decreasing linearly to 50% R.H. at 55 °C
Pollution degree II Altitude up to 3000 meters |
| Measurement category | CAT III 1000 V / CAT IV 600 V |
| Ingress protection rating | No |
| Temperature coefficient | 0.05 x (specified accuracy)/°C (from –20 °C to 18 °C or 28 °C to 55 °C) |
| Common Mode Rejection Ratio (CMRR) | > 120 dB at DC, 50/60 Hz ±0.1% (1 kΩ unbalanced) |
| Normal Mode Rejection Ratio (NMRR) | > 60 dB at 50/60 Hz ±0.1% |
| Dimensions | 184 mm (H) × 87 mm (W) × 57 mm (D) |
| Weight | 545 grams (with batteries) |
| Warranty | Three years for main unit. Three months for standard shipped accessories |
| Calibration cycle | One year, or; Two years (with 1.5 times of one year specification) |
Keysight U1242B: High-Performance Digital Multimeter
The Keysight U1242B handheld digital multimeter is a powerful tool designed for engineers and technicians who demand accuracy, durability, and ease of use. With its 10,000-count display and 0.1% basic DC voltage accuracy, this multimeter ensures precise measurements in demanding environments. Certified to drop-tested from 3 meters, the U1242B is ideal for industrial field applications. It supports AC/DC voltage and current measurements, as well as resistance, capacitance, frequency, diode testing, and temperature monitoring using a K-type thermocouple. The True RMS feature guarantees accurate readings even for non-sinusoidal signals. With up to 300 hours of battery life, built-in LED flashlight, and IR-USB connectivity for data logging, the Keysight U1242B is a compact, reliable, and high-performance digital multimeter for professionals working in harsh or low-light environments.
What is the Keysight U1242B used for?
Precision electrical measurement
Production test and QA
Maintenance and repair
Keysight U1242B — frequently asked questions
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