EG and G Instruments 7265 DSP Lock-In-Amplifier

EG & G Instruments 7265 DSP Lock-In-Amplifier. Unit powers on. Basic check – O.K. Scratches in clear plastic cover for LCD. No manual, test leads or other accessories. Purchaser responsible for any calibration, certification, maintenance or repair if required.

The EG&G Instruments 7265 DSP Lock-In Amplifier is a high-precision, dual-phase digital signal processing (DSP) instrument designed for detecting and measuring small AC signals in the presence of noise. It is widely utilized in scientific research fields such as optics, materials science, and electrochemistry.

 Key Features

• Frequency Range: 0.001 Hz to 250 kHz

• Voltage Sensitivity: 2 nV to 1 V full-scale

• Current Input Sensitivity: 2 fA to 1 μA full-scale

• Phase Noise: Less than 0.0001° RMS

• Dual Reference Mode: Allows simultaneous measurement of two signals at different reference frequencies up to 20 kHz

• Harmonic Detection: Supports single and dual harmonic modes for measuring up to two different harmonics simultaneously

• Virtual Reference Mode: Enables reference-free measurements of signals up to 60 kHz

• Integrated DDS Oscillator: Features variable amplitude and frequency with sweep capabilities

• Output Time Constants: Adjustable from 10 μs to 100 ks

• Interfaces: Standard IEEE-488 (GPIB) and RS-232 with daisy-chain capability for up to 16 instruments

• Display: Large backlit LCD with digital and graphical output representations

• Data Storage: 32,768-point internal curve storage buffer

• Option: 60Hz filter

 Technical Specifications

• Demodulation Outputs: Provides X-Y and R-θ outputs

• Programmable Digital Output Port: 8-bit for external system control

• External Interfaces: Includes three ADCs and four DACs

• Auto-Modes: Full range for automated measurements

• Power Supply: Selectable 110–240 V, 50/60 Hz

• Dimensions: 35 cm (W) × 42 cm (D) × 11 cm (H)

• Weight: Approximately 8.1 kg