| Model |  BE 9 |  9130 |  9124 |
| Description | Power Adapter 9VDC 100mA Negative Center Pin | Programmable DC Power Supply, Triple Output, (2) 0-30V 0-3A and (1) 0-5V 0-3A | Programmable DC Power Supply, Single Output, 0-72V, 0-1.2A |
| Line Voltage | 120VAC 60Hz | | |
| Output (Volts) | 9VDC | 0-30V (Ch 1 and 2), 0-5V (Ch 3) | 0-72V |
| Output (Amps) | 100mA | 0-3A (Ch 1 and 2), 0-3A (Ch 3) | 0-1.2A |
| Barrell Jack Length (mm) | | | |
| Barrell Jack O/D (mm) | | | |
| Barrell Jack I/D (mm) | | | |
| Center Pin | Negative | | |
| UL Listed | Yes | | |
| CSA Listed | Yes | | |