GNJ series of high precision torque wrench tester ranges from 10N.m to 1000N.m and the accuracy class is in 0.3 level.

   ZhunDa GNJ series of high precision torque wrench testers have the following characteristics:

  1). using the new high speed integrated circuit chip, which increasing the data storage function.

  2). The software uses the digital to steady zero, two step numeral filter and a series of data acquisition real technology to insure the high performance of the products.

MODEL	MEASUREMENT RANGE(N.m)	ACCURACY	ERROR	RESOLVING POWER	DATA STORAGE	MAXIMUM EFFECTIVE ARMS OF  FORCE	SLEEVE HOLE	STRUCTURE
GNJ100	10-100	Each point 0.3% in 10%-100% measuring range	Change≤0.03%(F.S)after recovering the position each time	Change one unit(F.S)at last numeral	99 characters	800mm	10,12.5,20	Transducer revolving combined type
GNJ300	30-300
GNJ500	50-500					1250mm
GNJ1000	100-1000

GNJ series of high precision torque wrench tester