ES237 datasheet(1/37 Pages) CYRUSTEK

Part #	ES237

Description	6000 Counts DMM

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Manufacturer	CYRUSTEK [Cyrustek corporation]

Direct Link	http://www.cyrustek.com.tw

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V 2.2

1

2015/12/15

ES237

6000 Counts DMM

Features

 6,000 counts LCD display with 31 analog bar-graph

 LQFP 128L package

 3V DC power supply

 Slow ADC Conversion rate : 3 times/s

 Bar-graph ADC conversion rate : 30 times/s

 Full automatic measurement

＊ Voltage measurement : 600.0mV, 6.000V – 1000V

＊ Current measurement :

μA/mA/A

＊ Frequency with Voltage or Current :

＊ Resistance measurement :

6

0.00Ω – 60.00MΩ

＊ Capacitance measurement :

6.000nF – 60.00mF

( Taiwan patent no.: 323347, 453443 )

＊ Capacitance measurement for Clampmeter mode :

6.000nF – 60.00mF

＊ Smart auto check for R / S / D / C mode

Resistance : 0.0

Ω – 6.000MΩ

(Buz. On when R < 30Ω)

Capacitance : 0.500nF – 600.0uF

(Taiwan patent no.: 326361)

＊ Not contact AC electric field detection

＊ Frequency counter :

600.0Hz – 60.00MHz

＊ Duty cycle measurement :

5% – 95% (< 10kHz)

 Diode measurement & continuity check

 Hazardous AC/DC voltage (HV) indication

 4 ADP modes with external reference voltage and

independent “ADP” user-defined segment on LCD

 Temperature mode with internal scale translation

circuit from

0C to 0F

 K-type thermocouple reference table compensation

(-200 ~ 1350

oC range)

 Push functions :

＊ VAHz function

＊ MAX/MIN function

＊ Relative function

＊ Zero function: DCA clampmeter only

＊ Back Light function

＊ KEY function

＊ Data Hold and delayed-hold function

＊ Range change function

＊ Semi-auto calibration operation

(Taiwan patent no.: 367334)

 Low pass filter mode for ACA/ACV measurement

(Taiwan patent no.: 362409)

 Band-gap reference voltage output

 Voltage overflow selection ( DC / AC : 1010V, DC /

AC : 610V)

 Serial data output ( RS232 format )

 LCD segment check when power on

 Auto power off ( 30min / 15min )

 Sleep state indicative signal output

 Re-power on

 On-chip buzzer driver

 Low battery detection



Description

ES237 is an integrated analog-to-digital converter

with 6,000-count LCD with bar-graph display,

automatic range selection, and 3V DC power

supply. Automatic range selection is provided for

ACV/DCV measurement, resistance measurement,

current measurement, capacitance measurement,

and frequency counter. Expensive and bulky

mechanical range switches are not required. Other

features include relative value display, offset

removing feature for DCA clamp mode, data

holding, maximum and minimum value holding,

duty cycle measurement, diode measurement,

temperature measurement, continuity checking,

low battery detection, auto power off, re-power on,

backlight driver, buzzer driver and RS232 data

output.

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ES237 Datasheet(PDF) 1 Page - Cyrustek corporation

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