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DW238 Portable transformer DC resistance meter with full touch screen function

category： Resistance Meters

reference price：￥$448.00

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Shenyang Dawan Technology Co., Ltd.

Mr. chang
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Product details Company introduction
Parameter information
Products Description
DW238 hand-held DC resistance tester
DW238 hand-held DC resistance tester, also known as transformer DC resistance tester, DC resistance rapid tester, grounding conductivity tester, using microprocessor technology, four-wire test, safe, precise and reliable.Is mainly used for measurement of transformer winding resistance, transformer winding resistance, ground down lead conduction testing, the wire resistance of the cable, switch, socket, relay contact resistance, winding, motor, shell and equipment, lightning protection zone, ground beam, structure, rack, steel, pipe, Windows, fence, radiator, pipeline connection between objects such as metal components resistance test.It is widely used in telecommunication, electric power, meteorology, machine room, oil field, electric power distribution line, tower transmission line, gas station, factory grounding grid, lightning rod and so on.
DW238 hand-held DC resistance tester is composed of host, monitoring software, test line, communication line, etc.Host handheld portable design is convenient for field application, with charging function without on-site power search, full-color large LCD display, clear at a glance, easy to use touch screen operation, port overload protection function.Large capacity storage 500 groups of data, resistance measurement range: 10.0 u Ω 50.00 K Ω, measuring accuracy: 0.2%.The upper computer software has the functions of reading, consulting, saving and reporting historical data.
Product Paramenters
Parameter



Function
It is mainly used to measure the lead resistance of the winding resistance of the transformer DC resistance transformer connecting
the conductive cable with the ground network, the resistance of the transformer winding with the contact resistance of the switch
connector relay, the resistance of the transformer winding with the coil, the resistance of the metal riveting, the resistance of
the connection between the metal components, the low value resistance and the contact resistance, etc
resistance range
10.0uΩ-50.00KΩ
Resolution ratio
0.1 uΩ
precision
0.2%FS
detection method
The four-wire test
test current
10A、5A、1A、0.1A、10mA、1mA
maximum short circuit current
10A
overload protection
Yes
self discharge
Yes
power supply
DC12.6V 2500mAhLarge capacity lithium batteries
Charging function
Yes
bias light
Yes, suitable for dark places
display mode
Full LCD display
Touch screen operation
Yes
LCD dimensions
108 mm×65mm
Instrument dimensions
238 mm×186 mm×83mm
Length of test line
5 m, 1 red, 1 black
USB interface
Yes
line of communication
1 USB communication cable
data storage
500 sets, "MEM" storage indication, displaying the "FULL" symbol to indicate that the storage is FULL
Data access
Data lookup function: "MR" symbol display
Overflow display
Over - range overflow function: "OL" symbol display
battery voltage
The battery power is displayed in real time, indicating that the battery should be charged in time when the battery voltage is l
auto power-off
Turn off the meter after no operation for about 15 minutes
power dissipation
Standby: approx. 120mA (20% brightness)
Measurement: 27W Max
weight
Instrument: 1100g(including batteries)
Test line: 850G
· Working temperature
-10℃～50℃； Below 70%rh
Storage temperature
-20℃～60℃；Below 70%rh
insulation resistance
10MΩ above (500 V between circuit and housing))
withstand voltage
AC 3700V/ RMS (between circuit and housing)
electromagnetic property
IEC61010-4-3，Radio frequency electromagnetic field≤1V/m
Suitable for safety
IEC61010-1, 600 v, pollution level 2 CAT Ⅲ, JJG724-1991 dc digital ohmmeter verification regulation, JJG166-1993 dc resistor
verification regulations, the DL/T967-2005 circuit resistance tester and dc resistance tester fast verification regulation"
Accessories
instrument
1 unit
test line
2(1 each in red and black)
CD
1
USB cable
1
charger
1
Specification and warranty certificate
1
meter box
1
Details Images
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.