| General |
| Mode |
Single-ended or differential |
| Noise |
0.1 nV/√Hz |
| Source impedance |
0.05 Ω to 1 kΩ (recommended) |
| CMRR |
>120 dB below 1 kHz |
| Common mode range |
Primary can float to ±100 VDC |
| Gain |
100× (Transformer only)
500× (Transformer and buffer) |
| Max frequency response |
0.1 Hz to 40 kHz |
| Isolation |
>40 dB, DC to 500 MHz |
| Output |
Single-ended or differential |
| Maximum output |
100 Vpp (Transformer only)
20 Vpp (Transformer and buffer) |
| Output impedance |
>5 kΩ (Transformer only)
<1 Ω (Transformer and buffer) |
| Dimensions and weight |
3.75" × 3.0" × 7.5" (WHL), 4 lbs. |
| Power |
Supplied by SRS lock-ins. Ext. ±20 VDC supplies can also power the SR554. |
| Warranty |
One year parts and labor on defects in materials and workmanship |