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Rotating
Shaft Transformer Coupled
Torque Sensor Model T260 Series
Mechanical
Interface
The Model T260 Series “Small-Wonder”® Rotary
Transformer Torque Sensor utilizes a double-keyed shaft
configuration. The unique miniature size versus capacity
ratio will generally eliminate the need for a foot mount,
which reduces installation expense and complexity. The
T260 Series “Small-Wonder” are designed for use with a
wide variety of mechanical couplings, however special care
must be taken in proper coupling selection. Each
application must be evaluated on the basis of torque
levels to be transmitted, misalignment to be compensated
for, torsional vibration present, critical speed factors,
and system dynamics. The factory will be pleased to assist
you with a list of coupling manufacturers upon request.

Dimensions
and Specifications are subject to change without notice.
Please request certified drawings prior to the
design of mounting fixtures.
| Series
Diagram Measurements |
| Model |
Capacity
( LB-IN.) |
A |
B |
C |
D
(+/–0.001) |
| T260 |
100,
200, 500, 1K, 2K |
6.75 |
3.50 |
.787/.785 |
1.40 |
| T261 |
5K,
10K, 20K |
9.00 |
3.75 |
1.574/1.572 |
2.50 |
| T262 |
50K |
9.75 |
4.00 |
2.165/2.163 |
3.00 |
| T264 |
100K |
12.00 |
4.25 |
2.755/2.753 |
3.75 |
| T265 |
200K,
500K |
19.00 |
5.00 |
4.724/4.722 |
7.00 |
| Series
Diagram Measurements (cont'd.) |
| Model |
E |
F |
Speed
Rated |
| T260 |
2.50 |
.188 |
35,000
RPM |
| T261 |
3.50 |
.250 |
10,000
RPM |
| T262 |
4.50 |
.375 |
13,000
RPM |
| T264 |
5.25 |
.500 |
6,000
RPM |
| T265 |
8.00 |
.750 |
3,400
RPM |
| Performance
Specifications |
| n.lin. |
hyst. |
repeat. |
mv/v
output |
zero
balance |
resist. |
exc.
volt. |
overload |
optimum
exc. freq. |
0.05%
ORC |
0.05%
ORC |
0.02%
ORC |
2.00
Nom. |
0.5%
ORC |
N/A
OHM |
10
RMS VOLTS |
200%
ORC |
3.28
KHz |
| temp
range |
temp
effect |
|
| comp |
usable |
on
zero |
on
output |
accuracy |
68-200
°F |
-20,+220
°F |
.001%
ORO/°F |
.001%
ORO/°F |
0.07%
ORC |
| Physical
Characteristics |
| MATERIAL: |
SAE
4340 Alloy Steel |
| CAPACITIES: |
See
Chart |
| SPEED: |
See
Chart |
| SEALING: |
Mechanical
sealing methods utilized for splashproof
conditions. |
|
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Wiring
Diagram

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