Page 20 - 2024诺特扭力英文NovaTork-Torque

FK!0!FS!0!FB!Npefm!.!Function Comparison

Function Comparison of NovaTork Electronic Torque Wrenches

EJ Model ER Model EA Model
Functions Regular With Storage With Angle

EJM / EJ ERM / ER EAM / EA

3 Units: Nm, 4 Units: Nm, 4 Units: Nm,
Torque Units
Lbin, Lbft Lbin, Lbft, Kgm Lbin, Lbft, Kgm
Peak Torque Mode √ √ √

Peak Angle Mode √
Modes:
Torque+Angle Mode √

Track Mode √ √ √
Can set target value √ √ √

LED light and buzzer alarming when reaches √ √ √
target torque

Automatic zero clearing when used continuously √ √ √
Optional backlight √ √ √

Torque error% display function √ √ √
Battery level display √ √ √

Memory function of 1000 sets of data √ √
Upload data to computer by USB port √ √

Unique Ratio function for non-standard heads √ √

Automatic shutdown function √ √ √
3 Pcs AAA batteries, easy replacement √ √ √

Calculation of Using Non-Standard Inserts

When using a torque wrench with an extended head (as shown in the figure below) will cause the applied torque to
be different from the actual required torque value. Therefore, the target torque value set on the wrench should be
calculated according to the following formula.
L
K = T (W ) = T K
E L L+E
K T (W ) Torque set on
The ratio set on the
wrench the wrench
T Torque applied
A
L rm Length of Wrench
by extensional
E (desired torque)
Effective Length of Head
Instead of calculating torque with the formula each time, it is very convenient to use our unique Ratio function of
electronic torque wrenches. Enter the ratio K at one time, the actual torque value is displayed on the screen.

You can see some of the non-standard cases on Page 80.

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