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ES218 数据表(PDF) 9 Page - Cyrustek corporation |
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ES218 数据表(HTML) 9 Page - Cyrustek corporation |
9 / 26 page V 1.5 9 2015/12/11 ES218 2000 Counts Manual DMM 1.4. Resistance Measurement A re-configurable divider provides a manual Full-Scale range in resistance measurement mode. The following table summarizes the full-scale ranges and the reference resistors in each configuration. Configuration Full Scale Range Relative Resistor Equivalent value OR1 200.0 Ω OR1 100Ω OR2 2.000 KΩ VR5 1KΩ OR3 20.00 KΩ VR4 || VR1 10KΩ OR4 200.0 KΩ VR3 || VR1 100KΩ OR5 2.000 MΩ VR2 || VR1 1MΩ OR6 20.00 MΩ VR1 10MΩ OR7 200.0M Ω VR1 100M Ω 1.5. Capacitance Measurement The following table summarizes the eight ranges of capacitance measurement mode. Configuration 1 Full Scale Range Relative Resistor Measurement Period C1 3 2.000nF Ratio to C2 0.25 sec C2 2 20.00nF CAL 0.25 sec C3 200.0nF Ratio to C2 0.9 sec C4 2.000uF Ratio to C2 0.9 sec C5 20.00uF Internal matching 0.25 sec C6 200.0uF Internal matching 1.25 sec(max) C7 2.000mF Internal matching 2.5 sec(max) C8 20.00mF Internal matching 12.5 sec(max) Note: 1. In order to obtain an accurate reading, a capacitor must be discharged before measurement begins. The chip has a built-in discharge mode to automatically discharge the capacitor. In discharge mode, the main-display shows dIS.C. Discharging through the chip is quite slow. We recommend users to discharge the capacitor with some other apparatus. 2. The C2 range is calibrated in calibration scheme. 3. The C1 range residual offset could be compensated by the small capacitors near to OVH pin. |
类似零件编号 - ES218 |
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类似说明 - ES218 |
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