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General| Type | Multimeter |
|---|---|
| Model | 3721-ST |
| Manufacturer | Keithley |
| Measurement Functions | DC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature |
| Relay Type | Electromechanical |
| Temperature Range | -200°C to 1820°C |
| Accuracy | Varies by function and range |
| Resolution | Varies by function and range |
| Display | LCD |
| Interface | GPIB, RS-232 |
| Topology | Multiplexer |
| Maximum Switching Voltage | 300 V |
| Maximum Switching Current | 1 A |
| Input Impedance | >10 GΩ (DC Voltage ranges) |
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