Stanford Research
Stanford Research SIM921
2Hz - 60Hz AC Resistance Bridge
2 mΩ to 2 MΩ Resistance Measurement Range
1 Hz to 1 kHz (sine wave) Excitation Frequency
10 µV to 100 mV RMS (programmable) Excitation Voltage
0.5% of reading Measurement Accuracy
1.4 K to 500 K Temperature Range (Sensor)
| Attribute | Value |
|---|---|
| Resistance Measurement Range | 2 mΩ to 2 MΩ |
| Excitation Frequency | 1 Hz to 1 kHz (sine wave) |
| Excitation Voltage | 10 µV to 100 mV RMS (programmable) |
| Measurement Accuracy | 0.5% of reading |
| Temperature Range (Sensor) | 1.4 K to 500 K |
| Interface | SIM (Serial Interface Module) bus compatible |
| Display Resolution | 6 digits |
| Input Configuration | 4-wire resistance measurement (to eliminate lead resistance errors) |
| Power Requirement | Powered via SIM900 mainframe backplane |
| Compatible Sensors | Ruthenium oxide, Cernox, platinum, and other resistance temperature sensors (RTDs) |
| Model | SIM921 |
|---|
The Stanford Reasearch SIM921 AC Resistance Bridge is a Precision, low-noise instrument designed for cryogenic thermometry applications. with excitation Power below 100 aW
