Lock-in Amplifiers

All Lock-in amplifiers at a glance:

Model input min Freq
(Hz)
max freq (Hz) time constant
(s)
output update rate
(Hz)
V Noise
(nV/√Hz@1 kHz)
Input Impedance
(Ω, F)
Harmonics Interface
SynkTek MCL1-540 2-10 V
+1-5 I
DC 10k / 100k (500k) 2u- 1.33M 1.8 / 3.8 / 18 1G / 30G / ~1T 65535

USB 2.0, LAN

SR 7230 1 I/V 1m 120k 10u-10k 1M 2 / 5 10M || 25p, 10k || 25p 127 RS232, USB 2.0, LAN
SR 7270 1 I/V 1m 250k 10u-10k 1M 2 / 5 10M || 25p, 10k || 25p 127 RS232, USB 2.0, LAN
SR 9210 2-10 V
+1-5 I
DC 10k / 100k (500k) 2u- 1.33M 1.8 / 3.8 / 18 1G / 30G / ~1T 65535

USB 2.0, LAN