Product Description
GF500 protection measurement device site verification Introduction In order to facilitate the power system dynamic class far and relay protection class of protection device and measurement device maintenance and development, meet the country electric power industry standard DL/T630-1997 "ac sample far move terminal technical conditions", Q/GDW140-2006 "state grid ac sample measuring devices running calibration standard management" and GB 14285-93 "relay protection and safety automatic device" technical specification requirements, the high speed A/D conversion, DSP, embedded processor and TFT LCD technology horizontal design of A new generation of intelligent field testing instruments. Main functions and features: To measure and indicate three-phase voltage, current, power, power factor, phase and frequency, etc.; Small current measurement accuracy as high as 1 mA, 2 mA above can directly display voltage current vector diagram; To input PT, CT Turns Radio , directly display a value; and protection measurement device error; Built-in rechargeable battery, and work for eight hours; Small volume, light weight, easy to carry the scene, the operation is simple; Through the USB interface and computer software connections,it can be online automatic test and data management; Technical index: Measuring ac voltage 0～450V accuracy ：0.1% resolution ：0.0001V Measuring ac current 0.001～6A accuracy：0.2% resolution ：0.0001A Measurement three-phase power Clamp meter to measure the accuracy：0.2% resolution ：0.0001KW Measure frequency 45Hz～65Hz accuracy：0.05Hz resolution ：0.01 Hz Measure phase 0～360° accuracy：0.05° resolution ：0.01° Using temperature range -10℃～45℃ humidity ：15～80% Storage environment -20～65oC humidity ：10～85% volume 195mm×120mm×45mm weight ：0.8Kg Power supply Built-in rechargeable lithium batteries 4.5 ~ 5.75 V DC; 40-450 V line voltage power supply
