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| Model | IT-M3900D Series | 
|---|---|
| Storage Temperature | -20°C to 70°C | 
| Category | Power Supply | 
| Ripple & Noise (Current) | ≤5mArms | 
| Programming Resolution (Voltage) | 1mV | 
| Programming Resolution (Current) | 1mA | 
| Readback Resolution (Voltage) | 1mV | 
| Readback Resolution (Current) | 1mA | 
| Interface | RS232, USB, LAN | 
| Protections | OVP, OCP, OTP | 
| Input Voltage | 100-240VAC, 50/60Hz | 
| Operating Temperature | 0°C to 40°C | 
| Humidity | 0 to 80% RH, non-condensing |