status monitoring and protection rotary encoder

{"cid":"91199444","title":"Edan IM8 Patient Monitor Front Panel Assembly With Rotary Knob Encoder Keypad Protective Screen Medical Spare Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/9e\/ab0881406737936ed935cf9b48ad-200x200-1.jpg","attrs":{"Price":"USD","Brand Name":"Edan","Model Number":"iM8","Minimum Order Quantity":"1 Piece","Delivery Time":"3-5 working days","Payment Terms":"T\/T, Western Union, Paypal","Packaging Details":"Standard Export Packing","Brand":"Edan","Product Category":"Monitoring","Product Type":"Spare Parts","Product Item Name":"Front Panel Assembly","Assembly Item":"Knob, Encoder, Keypad, Protective Screen","Application":"iM8","Main Color":"White","MOQ":"1 Piece","Condition":"Used - Good","Warranty":"90 Days"}}

{"cid":"91198013","title":"Dynamometer Test Bench System With HTL 512 Encoder","imgUrl":"https:\/\/img.chinax.com\/nimg\/7a\/80\/def9857149e7e387bfade41daf6d-200x200-1.jpg","attrs":{"Price":"1st Tier: 1 Set, Unit Price USD 3.00 2nd Tier: 2-5 Sets, Unit Price USD 2.00 3rd Tier: Over 5 Sets, Unit Price USD 1.00","Brand Name":"Seelong","Model Number":"SSCH30-4200\/17000","Minimum Order Quantity":"1","Delivery Time":"6-8 working weeks","Certification":"CMC, ISO9001, CE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"7 sets per month","Packaging Details":"Seaworthy Plywood","Constant Power\u00a0Speed\u00a0Range (rpm)":"4200-17000 rpm","Model":"SSCH30-4200\/17000","Humidity":"\u2264 80%","Constant Torque Speed Range":"0-4200 rpm","Cooling Method":"Air-cooled","Altitude":"<1000m","Measurement Accuracy":"\u00b10.2%FS","Rated Power":"30kW","Rated Torque":"64Nm","Max Working Speed (rpm)":"17000rpm","Rated voltage (V)":"AC 380","Rated current (A)":"61","Encoder":"Shanghai Jingfen","Model of encoder":"HTL 512"}}