Laser Diode controller

• LDC501 Laser Diode Controller

Temperature Controller

• PTC10 Programmable Temperature Controller

Small Instrumentation Modules

• SIM Series
• SIM900 Mainframe
• SIM910 JFET Voltage Preamplifier
• SIM911 BJT Voltage Preamplifier
• SIM914 350 MHz Preamplifier
• SIM918 Precision Current Preamplifier
• SIM921 AC Resistance Bridge
• SIM922 Diode Temperature Monitor
• SIM923 Pt RTD Temperature Monitor
• SIM922A Temperature Monitor
• SIM923A Temperature Monitor
• SIM925 Octal Four-wire Multiplexer
• SIM928 Isolated Voltage Source
• SIM940 Rubidium Frequency Standard
• SIM954 300 MHz Inverting Amplifier
• SIM960 Analog PID Controller
• SIM964 Analog Limiter
• SIM965 Analog Filter
• SIM970 Quad Digital Voltmeter
• SIM980 Summing Amplifier
• SIM983 Scaling Amplifier

Lock-In Amplifiers

• SR510 Single Phase Lock-In Amplifier
• SR530 Dual Phase Lock-In Amplifier
• SR810 DSP Single Phase Lock-In Amplifier
• SR830 DSP Dual Phase Lock-In Amplifier
• SR844 200 MHz Lock-In Amplifier
• SR850 DSP Dual Phase Lock-In Amplifier

Optical Chopper

• SR540 Optical Chopper

Optical Shutter Systems

• SR470 Laser Shutter Controller
• SR474 Four-Channel Laser Shutter Driver

Preamplifiers

• SR560 Low Noise Voltage Preamplifier
• SR570 Low Noise Current Preamplifier
• SR550 Lock-In Voltage Preamplifier
• SR552 Lock-In Voltage Preamplifier
• SR554 Transformer Preamplifier
• SR445A 350 MHz Preamplifier

Digital Delay Generators

• DG645 Digital Delay / Pulse Generator
• DG535 Digital Delay / Pulse Generator
• DB64 Coax Delay Box

High Voltage Power Supplies

• PS310 1.25 kV DC Power Suppy, 25 W
• PS325 2.5 kV DC Power Suppy, 25 W
• PS350 5.0 kV DC Power Suppy, 25 W
• PS355 -10.0 kV DC Power Suppy, 10 W
• PS365 +10.0 kV DC Power Suppy, 10 W
• PS370 -20.0 kV DC Power Suppy, 10 W
• PS375 +20.0 kV DC Power Suppy, 10 W

Gated Integrators and Boxcar Averagers

• SR200 Series Gated Integrators and Boxcar Averagers
• SR200 Gate Scanner
• SR235 Analog Processor
• SR240A DC to 350 MHz Preamplifier
• SR245 Computer Interface, GPIB and RS-232
• SR250 Gated Integrator, 2 ns Minimum Gate Width
• SR255 Fast Sampler, 100 ps Minimum Gate Width
• SR272 Data Acquisition Windows Software
• SR280 Mainframe and Display

Photon Counters

• SR400 Dual Channel Gated Photon Counter
• SR430 Multichannel Scaler/Averager