Дисплей перенапряжения UT521 двойная изоляция тестер сопротивления


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Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-20-2025 0.54 $* 0.10 $*
Aug-20-2025 0.35 $* 0.53 $*
Jul-20-2025 0.22 $* 0.95 $*
Jun-20-2025 0.32 $* 0.11 $*
May-20-2025 0.57 $* 0.55 $*
Apr-20-2025 0.72 $* 0.8 $*
Mar-20-2025 0.83 $* 0.18 $*
Feb-20-2025 0.1 $* 0.29 $*
Jan-20-2025 0.31 $* 0.10 $*

Характеристики



Product Description


Product  overview  
Earth Ground Resistance Testers is using micro controller with high accuracy and reliability; it can measure every electric wire,electric installation, anti-thunder equipmentís earth resistance value of those earth system. Also, it can carry earth voltagemeasurement. (Note: the Tester should not be used outdoor hazard environment, like raining, thunder etc.).




Specification


Basic Functions
Range
Best   Accuracy
Earth Resistance Testing

0-20W
0-200W
0-2000W

±2%rdg±0.1W
±2%rdg±3dgt
±2%rdg±3dgt
Earth Voltage Testing
0~200Vac(50/60Hz)
Hz) ±1%rdg±4dgt
Special Functions
Data Hold
 YES
Backlight Display
 YES
Data Logging
20
 YES
Battery Check
 YES
Sleep ModeAround
 10 Minutes
YES
Full Icon Display
YES
Over-range DisplayDisplay
 "OL"
YES
Contact Badness Display
C Port or E Port dont contact Display"- - - - W" 
YES
Simple 2-Wires Testing
YES
Precision 3-Wires Testing
YES
Double Insulation
YES
GENERAL  CHARACTERISTICS
Power
 1.5V Alkaline Battery(AA) x 6
LCD Size
 70.6 mm x 34 mm
Color
Grey
 Net Weight
560g
 Size
160 x 100 x 70.5 mm


Packing & Delivery




Product Quality Service Commitment


1. In order to ensure the quality of products and effectively safeguard the interests of customers, the company implements
full-service before, during and after the sale of the supplier. Products are implemented life-long maintenance, one-year warranty,product quality is responsible for the end.; 
2. If the customer in the use of equipment finds problems, and it can not be resolved
after consultation , our company sent people to the scene to deal with. If the site can not be resolved, the customer can also return the equipment to our company for processing, and we promise to send it back to the customer within three days;
 3. The company's quality management department has a customer service department to conduct irregular tracking and return visits to each set of equipment after sale, to timely grasp and solve problems encountered by users and provide technical advice;
 4. The company provides relevant product technical support and training materials at any time, and the software products enjoy free upgrade.


Company Profie








FAQ




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