Máy đo khí 3M PPM GASURVEYOR 500
he PPM Gasurveyor 500 compliments the Gascoseeker 2-500 with a similar performance, measuring % LEL and % volume flammable hydrocarbons, but with the addition of ppm ranges for all aspects of leak detection. The high sensitivity parts per million (ppm) range is enhanced by the ppm search range with higher sensitivity and faster response.