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DW233A Four-wire test ohmmeter DC low resistance meter with backlight function

category： Resistance Meters

reference price：￥$150.00

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Shenyang Dawan Technology Co., Ltd.

Mr. chang
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Product details Company introduction
Parameter information
Products Description
DC low resistance meter
USB interface, can be connected to the computer, port fire prevention, continuous and uninterrupted testing, high testing efficiency
Has backlight function
The backlight function is suitable for dark places. The backlight is turned off by default every time the machine is turned on. After starting, the backlight is turned on as required
Four wire test
Compatible to test a variety of resistance values
Example: the resistance value between the meter box and the grounding line, the resistance of the two metal connectors, the contact point resistance of the connector
Product Paramenters
Type of difference
model
DW233
DW233A
The resistance range
0.001mΩ～300.0KΩ
0.01mΩ～30.00KΩ
resolution ratio
1uΩ
10uΩ
precision
±0.1%FS
±0.1%FS
Data is stored
500 groups of
500 groups of
USB data upload function
no
have
Charging function
have
have
Range and technical specifications
function
It is mainly used for measuring wire resistance of cables, contact resistance of switches, connectors and relays, resistance of
windings of coils, motors and transformers, metal riveting resistance, connection resistance test between metal components, low
value resistance test, resistance test of conductors connected between ground network and ground poles, contact resistance test,
etc.
Detection method
The four-wire test
Test current
≥1A
The open circuit voltage
≤4.2V
Overload protection
have
power
measured power≤8W
power supply
DC 3.7V 2000mAh    High capacity lithium-ion battery
backlight
Controllable grey screen backlight, suitable for dim place
Display mode
LCD display, grey screen backlit
The LCD size
 72 mm×55mm
Size of instrument
185 mm×117 mm×48mm
The test line length
About 60cm, 1 red, 1 black
Measuring time
About 2 times per second
USB interface
With micro USB interface
line of communication
1 Micro USB communication cable
Data is stored
500 sets, "MEM" storage indication, displaying the "FULL" symbol to indicate that the storage is FULL
Figures refer to
Data lookup function: "MR" symbol display
Overflow shows
Over - range overflow function: "OL" symbol display
The battery voltage
The battery power is displayed in real time, indicating that the battery should be charged in time when the battery voltage is low
Automatic shutdown
Turn off the meter after no operation for about 15 minutes
Power consumption
Standby: approx. 100mA (backlight off)
Boot backlight: approx. 105mA
Measurement: 2A Max
The quality of
Instrument: 480g(including batteries)
Test line: 250G
Operating temperature and humidity
- 10 ℃ to 50 ℃;Below 70% rh
Storage temperature and humidity
- 20 ℃ ~ 60 ℃;Below 70% rh
Overload protection
C1-c2 P1-P2 AC 220V/0.0001 second between ports. After overload protection, restart the instrument before normal test
Insulation resistance
More than 10 m Ω ( 500V between circuit and housing)
withstand voltage
AC 3700V/rms (between circuit and housing)
Magnetic properties
IEC61010-4-3, wireless frequency electromagnetic field ≤1V/m
Suitable for safety
IEC61010-1、CAT Ⅲ 600V、Pollution level 2、JJG724-1991、JJG166-1993、DL/T967-2005.
Details Images
Field application
Resistance precision test
Company Profile
Shenyang Dawan Technology Co., Ltd.
Founded in 2011, Shenyang Dawan Technology Co., Ltd. develops and produces all kinds of measuring instruments and meters in China and sells them all over the world. The company can provide OEM and ODM services. The company's infrared thermal imager and non-contact infrared thermometer and other products have been widely used in various industries and around the world. At the same time, the company is also acting as an agent of famous instruments and meters in China and the world, doing import and export trade and services for China and other countries. The company has a trading company in Hong Kong, offices and R & D centers in Beijing and Shenzhen. It can do R & D, design, production, sales and service of non-standard and special instruments. The company adheres to the business philosophy of "professionalism, integrity, service and cooperation" and wholeheartedly provides users with the best quality products and services. We are willing to cooperate with colleagues from all walks of life around the world for common development!
FAQ
1. Are your company a trading one or a factory? Factory + trade (integration) OEM is also acceptable for us. 2. How to choose the most suitable products? Our professional team will give you the best suggestion as long as you tell us what kind of test you need to do and the required specification. 3. What’s the delivery term? Most of the time, we have stock in the factory. If there is no stock, normally, the delivery time is 15-20 working days after deposit receipt. If you are in urgent need, we can consider making a special arrangement for you. 4. Do you accept customization service? Yes, of course, we can not only offer standard machines but also customized machines according to your request. Don’t hesitate to tell us your requirement, we will try our best to meet your needs. 5. Can we visit your factory before the order? Yes, we warmly welcome and sincerely invite you or your team to visit our factory, we will help to arrange a hotel and pick up you from the airport. 6.How about the packing for the machine, is it safely protected during transportation? Our machine is packed by standard export wooden box, it won’t be damaged. We’ve delivered many testing machines abroad by sea or by air without damage. 7. What is the order process? Inquiry - quotation - communication - order confirming - deposit payment - production - testing and debugging - balance payment - packing - delivery - customer receiving - after service. 8.How to install and use the product The product is shipped with operating instructions and video of the English version.