少妇人妻无码专区毛片_蝌蚪视频窝在线播放_欧美性色欧美A在线播放_尤物在线精品视频_欧美精品国产一区二区三区_在线观看成人无码中文AV天堂不卡

美國SRS Stanford Research Systems, Inc.
Stanford Research Systems has authorized distributors or representatives in over 50 countries throughout the world
1982 SRS introduces its first product - the SR250 Boxcar system.
1985 Our first lock-in amplifier, the now venerable SR510.
1985 The DG535 Digital Delay Generator is introduced and earns its title, "The Stanford Box".
1988 SRS moves into the engineering instrumentation market with the SR620 Time Interval Counter.
1991 The DS345 Digitally Synthesized Function Generator, first in a line of 4 function generators.
1991 The SR760 FFT Spectrum Analyzer, first of 4 FFT analyzers.
1993 The world's first DSP lock-in amplifier - the SR850.
1994 The DSP lock-in that's now an industry standard - the SR830.
1995 The SR780 Dual Channel Dynamic Signal Analyzer.
1995 SRS moves into the vacuum science market with a line of residual gas analyzers.
1997 The 200 MHz SR844 RF Lock-In Amplifier - the highest frequency lock-in amplifier in the world.
1998 The SR785 Dual Channel Dynamic Signal Analyzer.
1999 The PRS10 Rubidium Frequency Standard.
2001 The IGC100 Ion Gauge Controller.
2002 The FS725 Benchtop Rubidium Frequency Standard.
2003 A new line of modular test equipment - SIM Small Instrumentation Modules.
2004 The OptiMelt Automatic Melting Point Apparatus and the Quartz Crystal Microbalances.
2005 The CG635 Clock Generator, the EZ-Melt Automatic Melting Point Apparatus and the NL100 Nitrogen Laser.
?