| Brief Features / Meter | RT-1000 | 1900 | 2900 | 1800 | 2800 | 1700 | 2700 | 1500 | 2500 | 1400 | 2400 |
| Accuracy | Type 1 | Type 1 | Type 2 | Type 1 | Type 2 | Type 1 | Type 2 | Type 1 | Type 2 | Type 1 | Type 2 |
| Logging | Yes | Yes | Yes | No | No | No | No | No | No | No | No |
| Integrating | Yes | Yes | Yes | Yes | Yes | No | No | Yes | Yes | No | No |
| Optional Filters | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No |
| Weighting | A,C,D,LIN | A,C, LIN | A,C, LIN | A,B,C, LIN | A,B,C, LIN | A,B,C, LIN | A,B,C, LIN | A,C | A,C | A,C | A,C |
| Response | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S,IMP, PEAK | F,S | F,S |
| Exchange Rates | 3 | 3,4,5,6 | 3,4,5,6 | 3 or 5* | 3 or 5* | 3 | 3 | 3 or 5* | 3 or 5* | 3 | 3 |
| Remote Microphone | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No | No |
| Supported by QuestSuite TM for Windows | No | Yes | Yes | No | No | No | No | No | No | No | No |