Sincerely established the four-wire precision line measuring instrument E256

Number of measurement points

256

Test voltage

DC:50V-1500VDC
AC:50V-1000VAC

resistance（R）

0.1Ω-1MΩ

capacitance（C）

0-1000uF

Capacitance polarity

Accurate polarity determination

Unidirectional diode（D）

Forward voltage drop: 0-7.0V, reverse leakage current: 0-10mA

Bidirectional diode

Forward conduction voltage drop: 0-7.0V, forward conduction current: 0-10mA

Reverse conduction voltage drop: 0-7.0V, reverse conduction current: 0-10mA

On resistance (DOND)

1mΩ-100Ω
(Different parameters can be set for each connection loop separately)

Insulation resistance（I.S）

1MΩ-1000MΩ

Leakage current（ID）

0.1mA-2mA

Open/short circuit（O/S）

200Ω-50kΩ
(Open circuit resistance and short circuit resistance can be set separately)

Momentary break/short circuit

200Ω-50kΩ

Instant continuity test

1mΩ-100Ω

Zero way

Open circuit return to zero, short circuit return to zero

Test function

General test

Loop test

Unilateral test

With the test pen, the on-resistance can be tested

Spot test

Automatically find points, you can freely add or subtract test points while learning

Automatic discharge

After the high voltage test is completed, the residual charge in the product is automatically removed

Open/short-circuit endpoint judgment

Can accurately determine the short circuit error endpoint

test method

Contrast with reading line data

Test speed (on)

4096 P-P/sec

Step-by-step testing

A single file can add up to 10 test steps

Defective product locking

The defective product is automatically locked after testing, and the password is unlocked

Remote control*

The system provides 6 output signals, 4 input control

measure time

（Open/Short）

Fast (4ms/time/64 points), medium speed (6ms/time/64 points), slow speed (8ms/time/64 points)

（Cond）

Fast 55 times/sec, medium speed 45 times/sec, slow speed 30 times/sec

0.2S/32net(typical) reference

（Insulation resistance）

A pair of other 3.6S/64net (0..1S)

Two points fast 0.4S/64net (0..1S)

Optimal test

(AC High Voltage)

A pair of other 3.6S/64net (0..1S)

Two points fast 0.4S/64net (0..1S)

Optimal test

（INT.O/S）

2ms/64pin sensitivity

（INT.OPEN）

0.4mS

（Speed Measurement）

0.1Sec basic value

Measurement signal source

Measuring frequency and signal/voltage F/V

100~100KHz /5VDC.20mA Max

Other functions

Advanced features

Four-wire test mode, programmable continuous test, automatic point finding and automatic diagnosis

（Scan Mode）

Automatic identification/timing mode/external trigger/cycle test, switchable

The results show that

Measurement result/error information/test information/group display, switchable

Warning device

Traffic light indicator/screen display/sound effect sound (sound effect can be switched)

operating system

Embedded Linux operating system

Storage device

Up to 256MB FLASH storage, can store up to tens of thousands of test files

Power-on password

Provide power-on input password to start the system

Statistics and test reports

The system provides detailed statistical reports and product test reports

Adjustable backlight brightness

0%-100% program adjustable

Printing function (optional)

Can be connected to a printer to print test reports and statistical reports

Network connection (optional)

All testers can be connected through the local area network, unified management, and data collection

Display screen

Display screen

7-inch (177.8 mm) diagonal color LCD

display resolution

800X3(RGB)X480

Background brightness, typical

250 cd/m2,

Display color

True color

Touch screen (optional)

7 inches diagonal

I/O port