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U1240 bảng dữ liệu(PDF) 5 Page - Keysight Technologies |
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5 / 9 page 05 | Keysight | U1240 Series Handheld Digital Multimeters - Data Sheet Electrical Specifications Switch counter definition Switch condition1, 2 Circuit switch Display3 Switch threshold Low level Normally close Lo < 370 ohms Intermittent4 Close to open Number of switch count Low to high transition High level Normally open Hi > 430 ohms Intermittent5 Open to close Number of switch count High to low transition 1. Detects intermittent Opens or Closes lasting for at least 250 μsec. 2. Test current of 0.5 mA with maximum open circuit voltage of 2.8 V is used. 3. Maximum count reading: 199.99 M (display “OL” when achieving 2 x 108 and thereafter). 4. Count only low to high transition for initial switch condition of Low. 5. Count only high to low transition for initial switch condition of High. Frequency specifications Range Resolution Accuracy Minimum input frequency 100.00 Hz 0.01 Hz 0.03%+3 1 Hz 1000.0 Hz 0.1 Hz 10.000 kHz 0.001 kHz 100.00 kHz 0.01 kHz 1000.0 kHz1 0.1 kHz 1. Effective frequency measurement of up to 200 kHz; refer to frequency sensitivity table below for details. Frequency sensitivity during voltage measurement Input range (Maximum input for specified accuracy = 10 x Range or 1000 V) Minimum sensitivity (RMS sine wave) 20 Hz to 50 kHz 50 to 200 kHz 1000.0 mV 0.3 V 0.6 V 10.000 V 0.5 V 1.8 V 100.00 V 5 V 10 V (< 100 kHz) 1000.0 V 50 V 100 V (< 100 kHz) Frequency sensitivity during current measurement Input range Minimum sensitivity (RMS sine wave) 20 Hz to 20 kHz 1000.0 µA 100 µA 10000 µA 500 µA 100.00 mA 10 mA 440.00 mA 50 mA 10.000 A 1 A |
Số phần tương tự - U1240 |
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Mô tả tương tự - U1240 |
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