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Phone: 400-027-8938

Mobile: 133 9714 9829

Product Details

■ Product Overview

This instrument is developed and manufactured using phase‑lead processing technology and data‑transfer algorithm technology. It falls between the two major categories of online and portable devices. , The method of use is portable. , It operates in online mode. This instrument features high detection sensitivity, strong anti-interference capability, compact size, light weight, and ease of use. When locating ground faults in DC systems, , No need to disconnect the power supply. , It enables the localization of ground fault points. The instrument can measure the grounding resistance of DC systems, providing a practical, reliable, and highly accurate detection tool for identifying and locating ground faults in power DC systems.

■ Product Specifications

Transmitter

(1) Operating voltage : Draw power directly from the busbar. ( The operating voltage is 30V~280V)

(2) Voltage measurement range :0-300V

(3) Voltage measurement accuracy : ≤ 1%

(4) Bridge operating mode : Unbalanced bridge

(5) Busbar Ground Resistance Measurement Range :0-999.9k Omega

(6) Busbar Grounding Resistance Measurement Accuracy : ≤ 10% ± 2k Omega

(7) Capacitance measurement range :1uF-200uF

(8) Capacitance measurement accuracy : ≤ 15% ± 2uF

(9)50Hz Interference intrusion detection range :AC0V-280V

(10)50Hz Interference intrusion detection accuracy : ≤ 1%

(11) Transmit signal current :0-10mA0.5Hz

Analyzer

(1) Operating voltage :12V( Lithium battery operation , The operating voltage is 9.6V~12.6V)

(2) Branch Circuit Ground Resistance Test Range :0-300k Omega

(3) Accuracy of branch circuit ground resistance measurement :0-100k Omega <10% ± 2kQ

(4) Leakage current measurement range :0-100mA100-300k Ω Display specific values

(5) Leakage current detection sensitivity : ≤ 0.1mA

(6) Measurement accuracy :100%

Keywords:

NDWZD-III DC System Ground Fault Tester

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