ES51988 datasheet(7/22 Pages) ETC

No. de pieza	ES51988

Descripción Electrónicos	3 3/4 AUTO REL/MAX/MIN

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91年11月28日

ES51988

3 3/4 AUTO REL/MAX/MIN

Operation Mode

(1) Measurement Description

Voltage Measurement

Resistive divider is automatically changed to provide in range reading

for 399.9mV to 3999V full scale reading. The following table shows

the various full scale range.

Range

Full scale

Resistive Ratio

VR1

VR2

VR3

VR4

VR5

399.9 mV

3.999 V

39.99 V

399.9 V

3999 V

1

, 1/1

R2/(R1+R2) , 1/10

R3/(R1+R3) , 1/100

R4/(R1+R4) , 1/1000

R5/(R1+R5) , 1/10000

Resistance Measurement

Resistive divider is automatically changed to provide the proper range.

The following table shows the various full scale range.

Range

Full Scale

Reference Resistor

OR1

399.9 Ω

OR2

3.999 KΩ

OR3

39.99 KΩ

OR4

399.9 KΩ

OR5

3.999 MΩ

OR6

39.99 MΩ

R6(100Ω)

R5(1KΩ)

R4(10KΩ)

R1||R3(=100KΩ)

R1||R2(=1MΩ)

R1(10MΩ)

Current Measurement

In the current measurement mode , there are three range selections :

Mode

Range Selection Full Scale

Automatic Mode 1

uA

399.9 uA

3999 uA

Automatic Mode 2

mA

39.99 mA

399.9 mA

Manual Mode

A

39.99 A

When the mode changes among (uA, mA, A), the original AC/DC

state will keep.

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ES51988 Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers

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