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General Note

TT Electronics reserves the right to make changes in product specification without

notice or liability. All information is subject to TT Electronics’ own data and is

considered accurate at time of going to print.

Precision Potentiometer

Issue B

09/2015

Page 2

BI Technologies

4200 Bonita Place, Fullerton, CA 92835 |Ph: +1 714 447 2300

www.bitechnologies.com | www.ttelectronics.com

Mechanical

Total mechanical travel

3600° +15° -0°

Number of gangs

2 maximum

Weight (single gang)

0.75 oz. nominal

Backlash

1° maximum

Environmental

Operating temperature range

-40°C to +125°C dynamic, -55°C to +125°C static

Temperature cycling

5 cycles, -55°C to +125°C, maximum 5% ∆R

Shock

6 ms saw-tooth, 100 G’s, 0.1 ms maximum discontinuity

Vibration

15 G’s, 10 to 2,000 Hz, maximum 5% ∆R, 0.1 ms maximum discontinuity

Moisture resistance

Five 24 hour cycles, maximum 3% ∆R

High temperature exposure

1,000 hours at 125°C, maximum 5% ∆R

Rotational load life (1 lb side load for 7288)

1M shaft revolutions + 900 hours at 2.0 Watts & 70°C, maximum 5% ∆R

Ingress protection rating (IP Code)

IP50, IP66 available as option (feature code ES)

7281, 7284, 7286, 7288

7283

Static stop strength

36 oz.-in.

Maximum 48 oz.-in.

Panel nut tightening torque

n/a

Maximum 25 lb.-in.

Shaft end play

0.005”

Maximum 0.010”

Shaft runout

0.002”

Maximum T.I.R. 0.003”

Pilot diameter runout

Maximum T.I.R. 0.004”

0.002”

Lateral runout

Maximum T.I.R. 0.005”

0.004”

Shaft radial play

Maximum 0.003”

0.002”

Start/run torque (per gang, ES option adds 0.5 oz.-in.)

Maximum 0.8 oz.-in.

0.6 oz.-in.

Ordering Information