earth fault loop impedance test

Brand Name:GDZX

Model Number:ZX-803

Place of Origin:Hubei, China

..., impedance, differential, low cycle, synchronous, frequency, DC, intermediate, time, etc.) and microcomputer protection, and can simulate various complex transient and conversion faults for the whole group test. Features 1. Flexible combination of

Brand Name:GDZX

Model Number:ZX-803

Place of Origin:Hubei, China

..., impedance, differential, low cycle, synchronous, frequency, DC, intermediate, time, etc.) and microcomputer protection, and can simulate various complex transient and conversion faults for the whole group test. Features 1. Flexible combination of

Brand Name:BRITEC

Model Number:BR-12.5M-275 3+1

Place of Origin:China

... arrester. • Iimp: 12.5 kA / pole. • Number of poles: 3P+NPE. • Replaceable module. • Visual fault signaling. • Optional remote status signaling. • Earthing systems: TT and TN-S system. • Compliant with EN / IEC 61643-11 standards, tested and

Brand Name:ON Semiconductor

Model Number:NCS325SN2T1G

Place of Origin:Shenzhen,China

...applications with self test. The device integrates a flexible power supply (including both shunt and LDO regulators), differential fault, and grounded-neutral detection circuits. Proprietary impedance measurement and signal processing techniques are used...

Brand Name:Texas Instruments

Model Number:LM285DR-2-5

Place of Origin:Original Factory

... • Portable Test Instruments • Battery-Operated Systems • Current-Loop Instrumentation • Panel Meters > Features • Operating Current Range 20 μA to 20 mA • 1.5% and 3% Initial Voltage Tolerance • Reference Impedance – LM385 1 Ω ...

Brand Name:BIOSTELLAR

Place of Origin:CHINA

...test of humidity range Product Description 1. Unique internal wind circulation, breeze circulate fan circulation make inner chamber temperature uniformity. 2. Large LCD display,multiple data display at the same time,30-stage program control,round move,ladder operating,with function of loop self-diagnose and sensor fault...