Item # US Digital E3 Optical Kit Encoder On Japanese Products Corp.

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	Item # US Digital E3 Optical Kit Encoder

Unit of Measure: Imperial Metric Both

Specifications

Dimensions

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Vibration (5Hz to 2kHz)		20 G

Electrostatic Discharge, IEC 61000-4-2		± 4 kV

Maximum Axial Shaft Play		± 0.010 in

Maximum Shaft Eccentricity Plus Radial Play		0.004 in

Maximum Acceleration		250000 rad/sec²

Maximum RPM		CPR < 2500: minimum value of ((18 x 10^6) / CPR) and (60000) rpm CPR > 2500 and <5000:(21.6 x 10^6) / CPR rpm CPR > 5000: (43.2 x 10^6) / CPR rpm

Typical Product Weight		1.28 oz

Codewheel Moment of Inertia		8.9 x 10^-5 for bore < 12mm oz-in-s² 4.0 x 10^-4 for bore 12 mm oz-in-s²

Hub Set Screw		#3-48 or #4-48

Hex Wrench Size		0.050 in

Encoder Base Plate Thickness		0.135 in

3 Mounting Screw Size		#0-80

2 Mounting Screw Size		#2-56 or #4-40

3 Screw Bolt Circle Diameter (3)		0.823 ± 0.005 in

2 Screw Bolt Circle Diameter		0.750 ± 0.005 in 1.280 ± 0.005 in 1.812 ± 0.005 in

Required Shaft Length (4)		0.445 to 0.525 in With E-option (3): 0.445 to 0.670 in With H-option: > 0.445 in

Index Alignment to Hub Set Screw		180 ± Typical mechanical degrees

Torque - Hub Set Screw to Shaft		2-3 in·lb

Torque - Cover (4-40 screws through cover into base)		2-4 in·lb

Torque - Base to Mounting Surface		4-6 in·lb

Torque - Base to Mounting Adapter Plate		4-6 in·lb

Torque - Adapter Plate to Mounting Surface		4-6 in·lb

Torque - Module to Base		3.5-4 in·lb

Item # US Digital E3 Optical Kit Encoder