SRS Stanford Research Systems SR245 Computer Interface NIM Module

Stanford Research Systems SR255 Fast Sampler module

SRS Stanford Research Systems SR 280 power supply & display Module

Stanford Research Systems (SRS) SR 630 Thermocouple Monitor 16 Channel As Is

STANFORD RESEARCH SYSTEMS SR530 LOCK-IN AMPLIFIER 2 CHANNEL In 110/220Vac

Stanford Research Systems SRS Analog Processor SR 235 SR235

Stanford Research Systems SRS SR445A - 300 MHz Amplifier