The 4470A is a precision DC Voltage and Current Calibrator manufactured by MIT (Measurements International).
Specifications:
- Voltage Range: 0 to ±1000V (DC)
- Current Range: 0 to ±100mA (DC)
- Accuracy: ±(0.005% of output + 2µV) for voltage, ±(0.01% of output + 10nA) for current
- Resolution: 1µV (voltage), 1nA (current)
- Output Stability: <5ppm/hour
- Load Regulation: <1ppm (voltage), <10ppm (current)
- Temperature Coefficient: <1ppm/°C
- Display: 6½-digit LED
- Interfaces: GPIB (IEEE-488) for remote control
Descriptions:
- The 4470A is a high-precision calibrator used for verifying and calibrating voltmeters, ammeters, and other sensitive measurement instruments.
- It provides highly stable and accurate DC voltage and current outputs.
- Designed for laboratory and industrial calibration applications.
Features:
- Low Noise & High Stability: Ensures reliable calibration.
- Wide Output Ranges: Supports both microvolt-level and high-voltage applications.
- Remote Control Capability: GPIB interface allows automated calibration setups.
- High Resolution: 1µV and 1nA resolution for precise adjustments.
- Low Temperature Drift: Minimizes errors due to environmental changes.
The 4470A is a trusted instrument in metrology labs, calibration facilities, and industries requiring high-accuracy DC sources.