DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от
DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от
DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от
DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от
DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от
DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от

DW237 Высокоточный большой тестер сопротивления сетки заземления имеет функцию защиты от


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Цена:435,00 $*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Aug-20-2025 552.80 $* 563.36 $*
Jul-20-2025 448.16 $* 457.93 $*
Jun-20-2025 544.33 $* 555.88 $*
May-20-2025 539.59 $* 550.60 $*
Apr-20-2025 431.26 $* 440.54 $*
Mar-20-2025 531.83 $* 542.78 $*
Feb-20-2025 526.66 $* 537.29 $*
Jan-20-2025 522.89 $* 532.89 $*

Характеристики



Products Description


Professional equipotential meter
Digital resistance meter, high precision and fast detection, low power consumption, 500 data storage


Function display
AC/DC voltage, DC resistance, backlight display, USB interface, data storage, alarm function, automatic shutdown, overflow prompt


Overload protection function
Double protection, professional safety, measurement at ease


Product Paramenters


Technical specifications
Function
Equipotential bonding resistance test between metal components, low-value resistance test, resistance test of connecting
conductors between ground and ground electrodes, contact resistance test, etc.
DC resistance range
0.0001Ω~30.00KΩ Accuracy±1%rdg±5dgt
Resistance resolution
0.0001Ω
Test method
Four-wire test
Test current
≥1A
Open circuit voltage
≤7V
Capacity factor
Measuring capacity factor≤15W
DC voltage range
0.0V~1000V DC Accuracy±1.5%rdg±5dgt
DC voltage resolution
0.1V
AC voltage range
0.0V~750V AC Accuracy±1.5%rdg±3dgt
AC voltage resolution
0.1V
Power
DC 6V 4.5Ah Large-capacity battery Continuous standby for more than 100 hours
Backlight
Controllable gray screen backlight, suitable for use in dim places
Display mode
4-bit large LCD display, gray screen backlight
Measurement instructions
LED flashing indicator during measurement, LCD countdown display
LCD size
108mm×65mm
Instrument size
L/W/H:277.2mm×227.5mm×153mm
Test line length
Red 5m,black 5m each 2PCS
Measure time
Resistance test:about 3second/time;Voltage test:about 2times/sec
USB interface
With USB interface, software monitoring, storage data can be uploaded to the computer, save and print
Communication Line
USB Communication Line 1PC
Data storage
500 groups,"MEM" stores indicates, the "FULL" symbol indicates that the storage is full
Data review
Data review function: "MR" symbol display
Overflow display
Over-range overflow function: "OL" symbol display
Alarm function
Alarm when the measured value exceeds the alarm setting value
Battery voltage
Real-time display of battery power, reminding timely charging when battery voltage is low
Automatic shut-down
"APO" indicates automatic shutdown after 15 minutes
Power consumption
Standby: 30mA Max(backlight off)
Turn on backlight: 43mA Max
Measure:2A Max(backlight off)
Weight
Instrument: 2397g(including battery)
Test line:850g(including simple test line)
Instrument box:1200g
Working temperature and humidity
-10℃~40℃;below 80%rh
Storage temperature and humidity
-20℃~60℃;below 70%rh
Overload protection
C1-C2 P1-P2 AC 280V/3 seconds between ports
Insulation resistance
Above 10MΩ(500V between circuit and housing)
Pressure resistance
AC 3700V/rms( between circuit and housing)
Electromagnetic properties
IEC61010-4-3,Wireless frequency electromagnetic field≤1V/m
Suitable for Safety Regulations
IEC61010-1, CAT III 600V, pollution degree 2, JJG724-1991 "DC digital ohmmeter verification procedure", JJG166-1993 "DC resistance
verification procedure", "DL/T967-2005 loop resistance tester and DC resistance fast Tester verification procedure
Accessories
Instrument
1PC
Instrument box
1PC
Monitoring Software CD
1PC
USB communication line
1PC
Test line
4PCS(red 5m,black 5m each 2)
charger
1PC
Manual, certificate
1SET


Details Images






Field application




Precision test of equipotential resistance






Application scenarios




Cable insulation resistance test
Research and teaching unit experiments
Electric power testing


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.


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