| Model | 
1761 | 
1760A | 
1673 | 
1671A | 
1670A | 
1652 | 
1651A |
| Description | DC Power Supply, Triple Output, (2) 0-35V 0-3A and (1) 2-6.5V 0-5A, Dual Display | DC Power Supply, Triple Output, (2) 0-30V 0-2A and (1) 4-6.5V 0-5A, Dual Display | DC Power Supply, Triple Output, (2) 0-32V, 0-6A and (1) 5V, 3A with Quad Display | DC Power Supply, Triple Output, 0-30V, 0-5A, Dual Digital Display | DC Power Supply, Triple Output, 0-30V, 0-3A, Dual Digital Display | DC Power Supply, Triple Output, 0-24V, 0-500mA, Digital Display | DC Power Supply, Triple Output, 44W, 24V(A&B),5V(Fixed), 0-5A (A&B), 4A (Fixed), Dual Analog Display |
| Output (Volts) | A: 0-35V; B: 0-35V; C: 2-6.5V | A: 0-30V; B: 0-30V; C: 4-6.5V | | A: 0-30V; B: 12V fixed; C: 5V fixed | A: 0-30V; B: 12V fixed; C: 5V fixed | A: 0-24V; B:0-24V; C: 5V fixed | A: 0-24V; B: 0-24V; C: 5V fixed |
| Output (Amps) | A: 0-3A; B: 0-3A; C: 0-5A | A: 0-2A; B: 0-2A; C: 0-5A | | A: 0-5A; B: 0-500mA fixed; C: 0-500mA fixed | A: 0-3A; B: 0-500mA fixed; C: 0-500mA fixed | A: 0-500mA; B: 0-500mA; C: 4A fixed | A: 0-500mA; B: 0-500mA; C: 4A fixed |
| Ripple & Noise | <= 1mVrms | <= 1mVrms | | <= 1mVrms | <= 5mVrms | <= 1mVrms | <= 1mVrms |
| Metering | Dual Digital | Dual Digital | | Dual Digital | Dual Digital | Dual Digital | Dual Analog |
| Manufacturer's Warranty | 2-year | 2-year | | 1-year | 1-year | 1-year | 1-year |