Applicable to the determination of indentation hardness of extruded polyethylene coating QYF-A-type anti-corrosion layer indentation hardness tester. The products are designed and manufactured according to SY / T 0413-2005 "buried steel pipeline polyethylene coating technology standard". It has a simple structure, easy to operate. The main technical parameters: 1. Measuring rod end face diameter: φ1.8mm 2. The bottom of the measuring stick down the total stress: 10MPa 3. Thermostat: temperature control accuracy of ± 1 ° C Supply Voltage: 220V; 50Hz 4. Dial indicator minimum resolution: 0.01mm; indication accuracy: 0.02mm with 601 super-heated water bath.