| Model | 
PR 37AR | 
PR 37AG | 
PR 33A | 
CT2704SA | 
CT2704 | 
CT2703 | 
CT2674A | 
CT2448 | 
6499 | 
6266 | 
4550B |
| Description | Passive Oscilloscope Probe , 6/150MHz, X1/X10/REF, Red Body | Passive Oscilloscope Probe , 6/150MHz, X1/X10/REF, Grey Body | Passive Oscilloscope Probe , 15/90MHz, X1/X10 | Passive Oscilloscope Probe , 15/100MHz, X1/X10, Insulated | Passive Oscilloscope Probe , 15/100MHz, X1/X10 | Passive Oscilloscope Probe , 15/60MHz, X1/X10 | Passive Oscilloscope Probe , 6/100MHz, X1/X10/REF | Passive Oscilloscope Probe , 17/135MHz, X1/X10 | Passive Oscilloscope Probe , 20/150 MHz, X1/X10 | Passive Oscilloscope Probe, 20/60 MHz, X1/X10 | Passive Oscilloscope Probe , 15/100 MHz, X1/X10 |
| Bandwidth (MHz) | 6 / 150 | 6 / 150 | 15 / 90 | 15 / 100 | 15 / 100 | 15 / 60 | 6 / 100 | 17 / 135 | 20 / 150 | 20 / 60 | 50 / 100 |
| Risetime (ns) | 58 / 2.3 | 58 / 2.3 | 27 / 3.5 | 27 / 3.5 | 27 / 3.5 | 27 / 5.8 | 58 / 3.5 | 21 / 2.6 | 17.5 / 2.3 | 17.5 / 5.9 | 23.3 / 3.5 |
| Switchable | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Attenuation | X1 / X10 / REF | X1 / X10 / REF. | X1 / X10 | X1 / X10 | X1 / X10 | X1 / X10 | x1 / x10 / REF | X1 / X10 | X1 / X10 | X1 / X10 | X1 / X10 |
| Input Impedance (Mohms) | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 | 1 / 10 |
| Input Capacitance (pF) | 100 / 15 | 100 / 15 | 46 / 16 | 46 / 18 | 46 / 18 | 46 / 18 | 90 / 16 | 65 / 14 | 40 / 10 | 65 / 11 | 64 / 10.5 |
| Compensation Range (pF) | 10-35 | 10-35 | 10-35 | 10-35 | 10-35 | 10-35 | 10-35 | 10-30 | 10-60 | 10-60 | 10-60 |
| Interface | BNC | BNC | BNC | BNC, Insulated | BNC | BNC | BNC | BNC | BNC | BNC | BNC |
| Readout | No | No | No | No | No | No | No | No | No | No | No |
| Ground Reference | Yes | Yes | No | No | No | No | Yes | No | No | No | No |
| Cable Length inches (meters) | 48 (1.2) | 48 (1.2) | 48 (1.2) | 48 (1.2) | 48 (1.2) | 48 (1.2) | 48 (1.2) | 80 (2) | 48 (1.2) | 48 (1.2) | 48 (1.2) |
| Max. Voltage (VDC + AC Max.) | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 300 | 300 | 300 |
| Conforming to IEC 61010 | 600V CAT I, 300V CAT II | 600V CAT I, 300V CAT II | 600V CAT I, 300V CAT II | 600V CAT I | 600V CAT I | 600V CAT I | 600V CAT I | 600V CAT I, 300V CAT II | 300V CAT II | 300V CAT I | 300V CAT I |
| Manufacturer's Warranty | 1-year | 1-year | 1-year | 1-year | 1-year | 1-year | 1-year | 1-year | 90 days | 90 days | 90 days |
| Notes | Modular Construction, Red Body | Modular Construction, Grey Body | Modular Construction | Modular Construction | Modular Construction | Modular Construction | Modular Construction | | Modular Construction | | |