Optical Encoders

MIL-257

Product Specifications

General Parameters
Type	Incremental Housed Encoders
Operating Temperature Range	-55°C to +85°C
Storage Temperature Range	-65°C to +95°C
Input Power	+5.0 ± 0.25 Vdc at 150 mA max
Vibration	Meets or exceeds MIL-STD-810, Method 514.3, Category 7B 7.3 grms
Shock	50 g''s at 11 msec per MIL-STD-810, Method 516.3, Procedure 1(b)
Slew Speed (Non-Operating)	5, 000 rpm max
Altitude	70, 000 ft max
Relative Humidity	99% RH max
Torque - Breakaway Running	1 oz-in max
Moment of Inertia	0.000040 oz-in-sec2
Shaft Loading - Axial Radial	40.0 lbs max, 35.0 lbs max
Weight	20.0 oz. max
MTBF	1, 800, 000 hours
Full Revolution Accuracy	20 arcsec rms
Risetime and Falltime	200 nsec. max (measured from 10% to 90% level)
Output Frequency Range	0 to 50 KHz or 5000 rpm