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ES51955 PDF预览

ES51955

更新时间: 2024-02-25 10:41:07
品牌 Logo 应用领域
承永 - CYRUSTEK /
页数 文件大小 规格书
31页 629K
描述
Dual Display/Inrush

ES51955 数据手册

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ES51955(5000counts)  
Dual Display/Inrush  
*Inrush function: ACA clampmeter only  
Features  
*Data hold function  
5000 counts dual LCD display  
128L QFP package  
*Back light function  
*Semi-auto Calibration Operation  
(Taiwan patent no.: 367334)  
3V DC power supply  
Low pass filter for ACA measurement  
Band-gap reference voltage output  
CE selection (DC/AC 1010V, DC/AC 610V)  
LCD segment check when power on  
Auto power off (30min/15min)  
Sleep state indicative signal output  
Re-power on  
ADC Conversion rate : 3.3 times/s  
Full automatic measurement  
*Voltage measurement: 500.0mV – 1000V  
*Current measurement: 50.00A/500.0A,  
500A/5000A  
*Flame rod DCuA mode measurement:  
500.0uA/5000uA both manual ranges  
*Smart auto check for R/S/D/C mode  
Resistance: 500.0Ω~5.000MΩ  
Capacitance: 5.000nF~500.0uF  
(Taiwan patent no.: 326361)  
On-chip buzzer driver  
High Voltage (HV) danger indication  
Low battery multi-level detection  
*Not contact AC electric field detection  
*Frequency mode active on sub-display for ACA  
500.0Hz ~ 5000Hz  
Description  
ES51955 is an integrated analog-to-digital  
converter (ADC) with dual 5,000-count LCD  
display, which 4-digit main-display (AC/DC  
Voltage) and 4-digit sub-display (AC/DC  
Current), automatic range selection, and 3V  
DC power supply. ES51955 could be  
designed for a clamp-meter with V & A  
measurement simultaneously. Automatic  
range selection is provided for voltage  
*Resistance measurement: 500.0– 50.00MΩ  
*Capacitance measurement:  
5.000nF – 50.00mF  
(Taiwan patent no.: 323347, 453443)  
*Frequency counter with duty cycle display:  
500.0Hz – 50.00MHz  
5% – 95% (< 10kHz)  
ZERO function for DCA mode  
(AC/DC)  
measurement,  
current  
resistance  
Voltage high crest factor detection  
(Taiwan patent no.: 234661)  
measurement,  
measurement,  
Voltage & Current measured simultaneously  
capacitance measurement, and frequency  
counter. Other features include inrush  
function, offset removing feature for DCA  
clampmeter, data holding, duty cycle  
ACV+ACA, DCV+DCA  
Diode measurement & continuity check  
Auto range temperature mode(500.0 0C /5000 0C)  
Temperature mode with internal scale translation  
circuit from 0C to 0F  
measurement,  
temperature  
diode  
measurement,  
continuity  
measurement,  
Push functions:  
checking, multi-level low battery detection,  
auto power off, re-power on, backlight driver,  
and buzzer output driver.  
*Single Select key operation:  
Zero for DCA  
Hz for ACA  
*Range change function  
v2.3  
1
10/06/25  

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