BI Technologies Corporation

4200 Bonita Place, Fullerton, CA 92835 USA

Phone: 714 447 2345

Website: www.bitechnologies.com

September 1, 2015

Model 7280 page 2 of 4

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% ΔR

Shock

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

Vibration

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

Moisture Resistance

Five 24 hour cycles, maximum 3% ΔR

High Temperature Exposure

1,000 hours at 125°C, maximum 5% ΔR

Rotational Load Life (1 lb side load for 7288)

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

Ingress Protection Rating (IP Code)

IP50, IP66 available as option (feature code ES)

ENVIRONMENTAL (MIL-PRF-12934)

ORDERING INFORMATION

Model Series

Resistance Prefix

Resistance Value

Optional Feature Code (see table)

No code required for

slotted shaft 7284/7286/7288

or for plain shaft 7281/7283

Optional Non-standard Tolerance

7286 R 10K T2 L.25 xx

FEATURE CODES

Model 7280

Linearity

(CCW)

(S)

(CW)

CIRCUIT DIAGRAM

STANDARD RESISTANCE VALUES

Total Resistance

(Ohms)

Theoretical

Resolution

(% nominal)

Tempco of wire

(ppm/°C)

100

0.059

±20

200

0.037

±20

500

0.030

±20

1K

0.024

±20

2K

0.020

±20

5K

0.018

±20

10K

0.017

±20

20K

0.016

±20

50K

0.010

±20

100K

0.008

±20

7281, 7283 plain shaft

7284, 7286, 7288 slotted shaft

no

code

Center Tap

CT

Linearity Tape

LT

Flatted Shaft

FS

Slotted Shaft (standard on single cup 7284, 7286 &

7288 without RS feature)

SS

Rear Shaft Extension (7281, 7286, 7288 single cup

only)

RS

Shaft Lock (7286 & 7288 only)

SL

High Torque 2-6 oz.-in. (7286 & 7288 only)

HT

Additional Gang

2G

Gold Plated Solder Lug Terminals (see optional

terminal configuration)

FT

Seal (IP66) 7284, 7286, or 7288 only

ES

When multiple Feature Codes are used the P/N shall be in the

same sequence as listed in this table (top to bottom).