STANFORD RESEARCH SR850 - $4,995.00 CRT Display -- High Resolution DSP Lock-In Amplifier The Stanford Research SR850 is a digital lock-in amplifier based on an innovative DSP (Digital Signal Processing) architecture. The SR850 boasts a number of significant performance advantages over traditional lock-in amplifiers, higher dynamic reserve, lower drift, lower distortion, and dramatically higher phase resolution. In addition, the CRT display and 65,536 point memory make it possible to display and process data in a variety of formats unavailable with conventional lock-ins. IEEE-488 and RS232 interfaces are standard. Calibration: add $286.00 Calibration with Full Test Data: add $390.00

HP - AGILENT 4284A - $7,495.00 20 Hz to 1 MHz Precision LCR Meter -- Includes Option 001 Power Amplifier / 40 Volt DC Bias The HP / Agilent 4284A Precision LCR Meter is a cost-effective solution for component and material measurement. The 4284A may be used to improve component quality by providing an accurate, high-throughput test solution. The wide 20 Hz to 1 MHz test frequency range and superior test-signal performance allow the 4284A to test components to most commonly referenced test standards, such as IEC/MIL standards, and under conditions that simulate the intended application. Whether in research and development, production, quality assurance, or incoming inspection, the 4284A will meet all of your LCR meter test and measurement requirements.

STANFORD RESEARCH SR844 - $5,995.00 25 kHz to 200 MHz Ultra-Wideband DSP Technology Lock-In Amplifier The Stanford Research SR844 is the widest bandwidth Lock-in Amplifier available. It provides uncompromised performance with a frequency range of 25 kHz to 200 MHz and up to 80 dB of drift-free dynamic reserve. The SR844 includes the many features, ease of operation, and programmability that you've come to expect from SRS DSP lock-in amplifiers. IEEE-488 and RS232 interfaces are standard. SR844 Features 25 kHz to 200 MHz Frequency Range 80 dB Dynamic Reserve Time Constants From 100 µs to 30 ks (6, 12, 18 or 24 dB/Octave Rolloff) No-Time-Constant Mode (10 to 20 µs Update Rate) Auto-Gain, -Phase, -Reserve and -Offset Internal or External Reference Two 16-bit DACs and ADCs GPIB and RS-232 Interfaces Calibration: add $286.00 Calibration with Full Test Data: add $390.00

HP - AGILENT 4145B - $5,795.00 Supplied with System Disk -- Other Accy's Available, Inquire For Quote The HP / Agilent 4145B is a fully automatic, high-speed DC characterization of semiconductor devices. Sourcing and measurement 50 fA to 100 mA and 1 mV to 100 V. Up to 1140 measurement and display points for precise measurement and analysis. Flexible graphic analysis for quick parameter extraction. Built-in 3 1/2-inch disk drive for storage of 240 user programs or 105 measurement results. HP-IB. Calibration: add $234.00 Calibration with Full Test Data: add $273.00

STANFORD RESEARCH SR830 - $3,495.00 Our Most Popular Lock-In Amplifier ! The Stanford Research SR810 Lock-In Amplifier and SR830 Lock-In Amplifier provide high performance at a reasonable cost. The SR830 simultaneously displays the magnitude and phase of a signal, while the SR810 displays magnitude only. Both instruments use digital signal processing (DSP) to replace the demodulators, output filters, and amplifiers found in conventional lock-ins. The SR810 and SR830 provide uncompromised performance with an operating range of 1 mHz to 102 kHz and 100 dB of drift-free dynamic reserve. IEEE-488 and RS232 interfaces are standard. Calibration: add $286.00 Calibration with Full Test Data: add $390.00

HP - AGILENT 34420A - $2,495.00 7.5 Digit Precision NanoVoltmeter / MicroOhmmeter Features 1 mV and 1 Ohm Full Scale Ranges Accessory Cables Available, Inquire For Quote The HP Agilent 34420A nanoVolt/micro-Ohm meter is a high-sensitivity multimeter optimized for performing low-level measurements. It combines low-noise voltage measurements with resistance and temperature functions, setting a new standard in low-level flexibility and performance.

KEITHLEY 6512 - $1,795.00 Precision Programmable Electrometer The Keithley 6512 Programmable Electrometer is a Highly sensitive instrument designed to measure voltage, Current, charge, and resistance. The measuring range of the Model 6512 is between 10 ìV and 200 V for voltage measurements, From 0.1 fA and 20 mA for current measurements, between 0.1 ohm and 200 Gohm for resistance measurements, and in the range of 10 fC and 20 nC in the coulombs mode. Very high input impedance and extremely low input offset current allow accurate measurement in situations where many other instruments would have detrimental effects on the circuit being measured. A 4.5-digit display and standard IEEE-488 interface Allow easy access to instrument data. Calibration: add $364.00 Calibration with Full Test Data: add $468.00

KEPCO BOP20-20M - $895.00 Bi-Polar Amplifier and DC Power Supply - 20 Volts at 20 Amps Max Output The Kepco BOP20-20M is a Bipolar DC power supply with a 20 VDC maximum and a 20 ADC maximum. Kepco BOP Series are high speed power operational amplifiers that can be used to provide dynamically agile voltage for test and simulation. They are not general purpose power supplies. Kepco BOP, while fully rated power supplies, are also high-powered operational amplifiers with full 4-quadrant, bipolar operation. Their output is capable of both sustained d-c and the replication of arbitrary a-c waveforms. Calibration: add $85.00 Calibration with Full Test Data: add $98.00