五月天在线观看免费视频播放,人人草人人,色视频综合,狠狠色婷婷丁香六月,五月婷婷六月丁香综合,开心激情综合网

To provide the most advanced, accurate and reliable humidity instrumentation available for industrial, laboratory, calibration standard, and airborne use, emphasizing high performance chilled mirror technology。Buck Research Instruments specializes in producing High Performance Chilled Mirror Hygrometers that offer fast and accurate measurements while maintaining exceptional reliability inherent only to chilled mirror operating principles.Buck Research Instruments was founded in 1989 by Arden Buck, an internationally recognized authority on water vapor measurement, who is credited with major advances in the state of the art and has authored over 30 scientific papers. Buck Research Instruments has continued to develop new and advanced hygrometry instruments with state of the art performance.