ut flaw detector for human machine detection

{"cid":"91150510","title":"FD-GT-20 Human-machine Detection Deparation High-speed Railway Rail UT Flaw Detector","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/b8\/8a76f513f02f5f101fa94712a9de-200x200-1.jpg","attrs":{"Price":"USD86440\/set - USD87280\/set","Brand Name":"HUATEC","Model Number":"FD-GT-20","Minimum Order Quantity":"1 pc","Delivery Time":"10-15 working days after receipt of your payment","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T,Paypal","Supply Ability":"5sets\/Month","Packaging Details":"Carton packing box","Amplifier band":"-3dB 1.5MHz\uff5e3.0MHz","Blocking range":"Not bigger than 20mm","Horizontal Linearity error":"\u226415%","PRF":"400Hz per channel","Displaying Mode":"A-scan\\B-scan\\A+B scan","Frequency Range":"1.5MHz\uff5e3.0MHz","Gain":"0\uff5e80dB"}}

{"cid":"91169531","title":"Welding test machine, Ultrasonic flaw detector, Digital UT flaw detector RFD710","imgUrl":"https:\/\/img.chinax.com\/nimg\/eb\/4d\/8b7d800f9b86946bf6a7d2126793-200x200-1.jpg","attrs":{"Brand Name":"Raytech","Model Number":"RFD710","Minimum Order Quantity":"1unit","Delivery Time":"about 3~5days","Place of Origin":"China","Certification":"ISO CE","Packaging Details":"standard export package","Payment Terms":"T\/T, Western Union, Paypal","Supply Ability":"500units per month","Product Name":"Welding test machine, Ultrasonic flaw detector, Digital UT flaw detector RFD710","Test Range":"0~10000mm","Gain control (dB)":"0~120","Material velocity (m\/s)":"100~18000","Working mode":"single, double, transmission","Probe zero (s)":"0 \uff5e 99.99"}}