Accessories

DCS500PA High Performance Lock-in Amplifier

Model DCS500PA

A digital lock-in amplifier covering 50 mHz to 120 kHz with low-noise voltage and current inputs, up to 100 dB dynamic reserve and time constants from 10 µs to 30 s.

Geschikt voor

Recovering a chopped spectroscopic signal from noise when working with PMT or single-point detectors.

Offerte aanvragen Datasheet downloaden (pdf)

Specificaties

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