Display | 4-1/2 digit LED readout |
Precision | Within 0 .01 % full scale |
Linearity | Within 0 .01 % full scale |
Accuracy | Within 0 .5% full scale for charge (nC) or current (pa) measurements |
Circuitry | All solid state with MOSFET input operational amplifier |
Input Impedance | Greater than 1014 ohms |
Input Offset Current | Less than 3 x 10-15 SSA for relative humidity less than 80% |
Amplifier Gain | Greater than 105 |
Decay Time Constant of Integration Capacitor | Greater than 2 x 106 seconds . |
Rate Response Time: 2.3 seconds for readings 0% to 90% | Over-Range: Indicated by flashing display |
Zero Adjust | Adjusts input offset voltage to ±0.04 mV |
Operating Temperature Range | 10°C to 40°C |
Storage Temperature Range | -20°C to 60°C |
Operating Humidity Range | 0 to 80% relative humidity (non-volume condensing) |
Long-Term Stability | Within 0.5% full scale per year |
Temperature Stability | Within 0.03% per °C |
Power Requirements | 10 watts, 50 or 60 Hz, 100-130V, 200.260V, selected internally |
Input Power Dependence | Within 0.02% per 10% power change |