Thông số kỹ thuật của đồng hồ vạn năng cầm tay – KEYSIGHT U1241B
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 | 300 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) |
Đánh giá
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