Moteur de recherche de fiches techniques de composants électroniques |
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ES51921 Fiches technique(PDF) 9 Page - Cyrustek corporation |
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ES51921 Fiches technique(HTML) 9 Page - Cyrustek corporation |
9 / 35 page Ver. 3.2 10/06/23 9 ES51921 22,000 Counts Auto DMM 1.1.5 Low-pass filter feature ES51921 provides a 3-order low-pass filter to reduce the influence of high frequency noise above 1KHz(3dB). This LPF feature is available in all ACV or clamp_meter ACA modes. Set FC5 to low in these mode, the KEY bottom is use to activate the LPF feature. Press KEY bottom for less than 1 second force meter enter LPF mode, and the AC sign on LCD panel will blink until the LPF mode is canceled. When LPF is activated, most of noise above 1KHz will decay greatly. So we can obtain more stable and accurate readings on low frequency response. 1.2 Resistance Measurement A re-configurable divider automatically provides a suitable full-scale range in resistance measurement mode. The following table summarizes the full-scale ranges and the reference resistors in each configuration. In 220.00MΩ, if SHIFT pin connects to V-, the least digit will not be displayed and the other digits and decimal point will shift right away. So the full scale becomes 220.0MΩ instead of 220.00MΩ. Configuration Full Scale Range Divider Ratio Resister Connection OR1 220.00Ω R6 100Ω OR2 2.2000KΩ R5 1KΩ OR3 22.000KΩ R1∥ R4 10KΩ OR4 220.00KΩ R1∥ R3 100KΩ OR5 2.2000MΩ R1∥ R2 1MΩ OR6 22.000MΩ R1 10MΩ OR7 220.00MΩ R1 10MΩ 1.3 Current measurement for multimeter ES51921 has 2 automatic and 1 manual current measurement modes for multimeter. The following table summarizes the full-scale range of each mode. When ES51921 operates in the current measurement modes for multimeter, It takes high input from pin IVSH or IVSL, low input from pin SGND and reference voltage from pin VR. Mode FC1~4 VBAR Full Scale Input Terminal Automatic1 1,1,0,1 1 220.00µA / 2200.0µA IVSL/IVSH V.S. SGND Automatic2 1,1,1,1 1 22.000mA / 220.00mA IVSL/IVSH V.S. SGND Manual 0,0,0,0 X 22.000A IVSH V.S. SGND Note: 1. The typical connection of input terminal is as the schematic below: IVSL IVSH Vin* 100K 100K 9R R |
Numéro de pièce similaire - ES51921 |
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Description similaire - ES51921 |
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