DCS500PA High Performance Lock-in Amplifier

Specifications

Frequency range

50 mHz to 120 kHz

Full-scale sensitivity

1 nV to 1 V in a 1-2-5 sequence

Voltage input mode

Single-ended or differential

Voltage input impedance

10 MΩ // 25 pF, AC or DC coupled

Current input

10⁶ or 10⁸ V/A, 1 kΩ to virtual ground

Noise

10 nV/√Hz at 1 kHz; 0.13 pA/√Hz at 1 kHz; 0.013 pA/√Hz at 100 Hz

Dynamic reserve

>100 dB

CMRR

>100 dB to 10 kHz, decreasing by 6 dB/octave

Gain accuracy

0.2% typical, 1% max

Phase resolution

0.01° increments; absolute <1°, relative <0.01°

Time constants

10 µs to 3 ks (<200 Hz); 10 µs to 30 s (>200 Hz), 6/12/18/24 dB/oct

Harmonic rejection

−90 dB

Internal oscillator

50 mHz–120 kHz, 25 ppm + 30 µHz accuracy, 1 mHz resolution

Display

3.5 inch 320 × 240 TFT, four channels showing X, Y, R and θ

Interfaces

RS232 and RS232-to-USB; fully remote controllable

Power

220/240 VAC, 50/60 Hz, 30 W

Dimensions and weight

259 (w) × 320 (d) × 115 mm with feet, 3.2 kg