| Specifications | Model 1461 | Model 1462 | Model 1468 | Model 1469 |
| Channels | 12 fully independent | 6 fully independent | 6 fully independent | 24 programmable |
| Output Voltage | 0 to 3 kV | 0 to 3 kV | 0 to 6 kV | 0 to 3.5 kV |
| Voltage Set and Measurement Resolution | < 1 V | < 1 V | < 2 V | < 1 V |
| Voltage Measurement Accuracy @ 25°C | +(0.1% + 1.5 V) | +(0.1% + 1.5 V) | +(0.1% + 3 V) | +(0.1% + 1.5 V) |
| Voltage Output Ripple | < 100 mV p-p | < 100 mV p-p | < 200 mV p-p | < 50 mV p-p |
| Voltage Ramp Rates | 50 to 2000 V/s | 50 to 1000 V/s | 100 to 4000 V/s | 1 V to 500 V/s |
| Maximum Output Current per Channel | 2.5 mA | 4.0 mA | 500 ľA | 100 ľA |
| Current Trip Resolution | 1 ľA | 1 ľA | 1 ľA | 25 nA |
| Current Measurement Resolution | 1 ľA | 1 ľA | 1 ľA | 25 nA |
| Mainframe Power Requirement 24 V/channel | 171 mA per mA output + 38 mA | 171 mA per mA output + 76 mA | 330 mA per mA output + 56 mA | TBD |
| Connectors | SHV (12) | SHV (6) | SHV (6) | LHV (3) |