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MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter
MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter
MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter
MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter
MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter
MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter

MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter

2023-07-22 14:39:21  

It is used to measure the wire resistance of cables, the contact resistance of switches, connectors, and relays, the DC resistance of coils, motors, and transformer windings, and the connection resistance of metal riveting, metal components, and connecting conductors between ground grids and ground electrodes. Range: 1uΩ~200Ω Detection method: precise four-wire method, 2-way A/D simultaneous detection Maximum test current: 5A Data storage: 200 groups Power supply: 3.7V 7000mAh lithium battery

  • Main Features : MEWOI4640 5A 200Ω DC Resistance Tester,DC miliohmimeter
  • Serial No. :

Contact Us For QuotationEmail:  464560351@qq.comWhatsapp&Wechat:+8618620373879

Product introduction

MEWOI4640 portable micro-ohmmeter is also called DC low resistance meter, DC resistance tester, ohmmeter, the instrument adopts microprocessor technology, four-wire method test, safe, precise and reliable. It is mainly used to measure the wire resistance of cables, the contact resistance of switches, connectors, and relays, the DC low resistance of windings of coils, motors, and transformers, the connection resistance between metal components of metal riveting parts, and the connecting conductors of ground grids and ground poles. The instrument is widely used in industrial and mining enterprises, construction monitoring and supervision companies, construction units, lightning protection companies, electric power departments, ship locomotive factories, etc.

        MEWOI4640 portable micro-ohmmeter consists of a host and a test line. The host has a large-screen LCD display, which is clear at a glance. Can store 200 sets of data, resistance measurement range: 1uΩ~200Ω, maximum test current: 5A, adopts rechargeable lithium battery, battery capacity 7000mAh, the instrument is easy to operate and easy to carry.



图片关键词

Backlit display buttons

图片关键词

Winding calibration button

图片关键词

value hold button

图片关键词

test button

Technical parameter

1. Measurement gear and accuracy

gear

precision

resolution

Maximum test current

1mΩ

±0.1%FS±10dgt

1uΩ

5A

100mΩ

0.1mΩ

4A

1mΩ

500mA

10 Ω

0.01Ω

210mA

200Ω

0.1Ω

21mA


2. Technical specifications

Function

It is used to measure the wire resistance of cables, the contact resistance of switches, connectors, and relays, the DC resistance of coils, motors, and transformer windings, and the connection resistance of metal riveting, metal components, and connecting conductors between ground grids and ground electrodes.

power supply

DC 3.7V 7000mAh lithium battery

Power

Working current≤5A

Detection method

Precise four-wire method, 2-way A/D simultaneous detection

Range

1uΩ~200Ω

test interface

C1 current positive, C2 current negative, P1 voltage positive, P2 voltage negative

measure time

2 seconds/time

data storage

Yes, the data will not be lost when the power is off or the battery is replaced (200 groups)

test instructions

The blue TESTING light flashes during the test

test line

2 groups: 1 group for red and black, cable length 0.8m

backlight function

Yes, suitable for dark places

display mode

Display field: 58.5mm×46mm

Host size

159mm×100mm×66mm

quality

Instrument: about 460g (including battery); total mass: about 640g (including accessories)

line voltage

Should be avoided (the line cannot be measured with electricity, it may damage the instrument)

overflow display

Over-range overflow function: " OL " symbol display

low voltage indication

When the low battery symbol is displayed, it reminds to replace and charge in time.

Working temperature and humidity

-10℃~40℃; below 80%rh

storage temperature and humidity

-10℃~60℃; below 70%rh

Pressure resistance

AC 3700V/rms (between shell and screw)

Suitable for safety regulations

IEC61010-1, CAT Ⅲ 600V, pollution degree 2, JJG724-1991 "Verification Regulations for DC Digital Ohmmeter", JJG166-1993 "Verification Regulations for DC Resistors", "DL/T967-2005 Loop Resistance Tester and DC Resistance Fast Tester Verification Regulations"


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