engine coolant ph tester with automatic calibration

{"cid":"91196724","title":"Engine Coolant PH Tester -2.000 \uff5e 19.999pH Automatic 3-Point Calibration ASTM D1287","imgUrl":"https:\/\/img.chinax.com\/nimg\/2b\/98\/532e38a9751914fe04e8ae6378cf-200x200-1.jpg","attrs":{"Brand Name":"Shandong Shengtai Instrument Co.,Ltd","Model Number":"SH0069B","Minimum Order Quantity":"1","Delivery Time":"7-15 work days","Certification":"SH\/T 0069 ASTM D1287","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"10000 sets\/year","Packaging Details":"woodden crate","Display screen":"7-inch color high-resolution (1024 * 600) capacitive touch screen","PH display range":"-2.000 \uff5e 19.999 pH","PH resolution":"0.001\/0.01pH","Relative pH accuracy":"\u00b1 0.002PH","Input current":"\u2264 2 \u00d7 10-12 A","Input impedance":"\u2265 1 \u00d7 1012 \u03a9","Data storage":"2000 sets","Printing function":"automatic micro printer printing"}}