| Warm up Time | Twice the time since last warmed up, to a maximum of 30 minutes |
| Settling Time | Less than 5 seconds for all functions and ranges except as noted |
| Standard Interfaces | IEEE-488 (GPIB), RS-232 |
| Temperature Performance |
| Operating: 0°C to 50°C |
| Calibration (tcal): 15°C to 35°C |
| Storage: -20°C to 70°C |
| Temperature Coefficient | Temperature coefficient for temperatures outside tcal ± 5°C is 10% of the 90-day specification (or 1-year, as applicable) per °C |
| Relative Humidity | Operating: <80% to 30°C, <70% to 40°C, <40% to 50°C |
| Storage:<95%, non-condensing |
| Altitude | Operating: 3,050m (10,000 ft) maximum |
| Non-operating: 12,200m (40,000 ft) maximum |
| Safety | 12,200m (40,000 ft) maximum |
| Analog Low Isolation | 20V |
| EMC | Designed to comply with IEC 61326-1/1997 |
| Line Power | Line Voltage (selectable): 100V, 120V, 220V, 240V |
| Line Frequency: 47 to 63 Hz |
| Line Voltage Variation: +10% about line voltage setting |
| Power Consumption | 600 VA |
| Dimensions | Height: 17.8 cm (7 in), standard rack increment, plus 1.5 cm (0.6 in) for feet on bottom of unit |
| Width: 43.2 cm (17 in), standard rack width |
| Depth: 47.3 cm (18.6 in) overall |
| Weight (without options) | 22 kg (49 lbs.) |
| Absolute Uncertainty Definition | 5500A and 5520A uncertainty specifications include stability, temperature coefficient, linearity, line and load regulation, and the traceability of the external standards used for calibration. You do not need to add anything to determine the total uncertainty of your calibrator for the temperature range indicated. |
| Specification Confidence Interval | > 99% |