Model No.

Square
Drive
(inches)

Length
(mm)

Accuracy

Max
Operation
Range

Measured Torque
Range

Resolution

PC
Connectivity

WEF2-030

AN

1/4

395

CW: +/-1%
CCW:+/-2%

30 N-m
22.12 ft-lb
265.5 in-lb
306.1 kg-cm

1.5~30 N-m
1.11~22.12 ft-lb
13.3~265.5 in-lb
15.3~306.1kg-cm

0.01 N-m
0.01 ft-lb
0.1 in-lb
0.1 kg-cm

No

BN

CW: +/-2%
CCW:+/-3%

WEF3-135

AN

3/8

425

CW: +/-1%
CCW:+/-2%

135 N-m
99.5 ft-lb
1195 in-lb
1378 kg-cm

6.8~135 N-m
5~99.5 ft-lb
60~1195 in-lb
69~1378 kg-cm

0.1 N-m
0.1 ft-lb
1 in-lb
1 kg-cm

BN

CW: +/-2%
CCW:+/-3%

WEF4-135

AN

1/2

425

CW: +/-1%
CCW:+/-2%

135 N-m
99.5 ft-lb
1195 in-lb
1378 kg-cm

6.8~135 N-m
5~99.5 ft-lb
60~1195 in-lb
69~1378 kg-cm

0.1 N-m
0.1 ft-lb
1 in-lb
1 kg-cm

BN

CW: +/-2%
CCW:+/-3%

WEF4-200

AN

1/2

535

CW: +/-1%
CCW:+/-2%

200 N-m
147.5ft-lb
1770 in-lb
2041 kg-cm

10~200 N-m
7.4~147.5 ft-lb
88~1770 in-lb
102~2041 kg-cm

0.1 N-m
0.1 ft-lb
1 in-lb
1 kg-cm

BN

CW: +/-2%
CCW:+/-3%

WEF4-340

AN

1/2

655

CW: +/-1%
CCW:+/-2%

340 N-m
250.7 ft-lb
3009 in-lb
3469 kg-cm

17~340 N-m
12.5~250.7 ft-lb
150~3009 in-lb
173~3469 kg-cm

0.1 N-m
0.1 ft-lb
1 in-lb
1 kg-cm

BN

CW: +/-2%
CCW:+/-3%