The model A90 encoder is a single-turn high resolution absolute rotary encoder with optoelectronic technology. This encoder Is used In a wide variety of position-sensing applications for high resolution measuring of angles and distances. Mechanical features include a 90-mm aluminum housing, stainless steel shaft with a 10 mm diameter, and precision ball bearings. Extended operating temperature from -30 to +70C Is optional.
A90Page 2 of 41118SPECIFICATIONSGPIGPIIIIIIIIIIIIIIIGurley Precision Instruments514 Fulton StreetTroy, NY 12180 U.S.A.(800) 759-1844, (518) 272-6300, fax (518) 274-0336, Online at www.gurley.com, e-mail: info@gurley.comAspartofourcontinuingproductimprovementprogram,allspecificationsaresubjecttochangewithoutnotice.GPIGPIIIIIIIIIIIIIIILimiting Values-3 2.94 x 10(20)0.01 (1.416)2 (10)2 (10)2 pre-loaded bearingsGrease-lubricated and sealedEtched chrome on glass disc, 3004,00030 (300)10 (100)IP64SCDStandard is +32 to +158 (0 to +70)Extended is -40 to +185 (-30 to +70)984.75 to 5.25, 5.00 nominal 220£100,000³Binary18-24 bit SSIRS Differential SP490+/-3.5 arc secondsSee NoteMechanical SpecificationsMoment of InertiaOperating TorqueRadial Shaft LoadAxial Shaft LoadBearing ArrangementBearingsCode Disc TypeMaximum Operating SpeedNon-Operating SlewShock 11 (ms)Vibration (55-2000Hz)SealingRecommended Shaft CouplingEnvironmental SpecificationsOperating TemperatureRelative HumidityElectrical SpecificationsSupply VoltageCurrent ConsumptionLED LifeOutput CodeOutput FormatOutput DeviceAccuracyUnits22in-oz-s (g-cm)Nm (in-oz)lb (N)lb (N)RPMRPM2g (m/s)2g (m/s)modelF (C)°°F (C)°°%VDCmAhour