| Make | Model | Description | Cal/Hire/Sale | PDF Spec |
|---|---|---|---|---|
| QUANTEL | ||||
| QUANTEL | AN/2E-QTL | LASER POWER METER M/F | Cal | |
| QUANTUM INSTRUMENTS | ||||
| QUANTUM INSTRUMENTS | PHOTOMETER LX | PHOTOMETER | Cal | |
| QUARTZ | ||||
| QUARTZ | 998DM | STOPWATCH | Cal | |
| QUARTZ | DIGI-THERMO | DIGITAL THERMOMETER | Cal | |
| QUARTZLOCK | ||||
| QUARTZLOCK | 10A-R | FREQUENCY STANDARD | Cal | |
| QUARTZLOCK | 10K | FREQUENCY STANDARD | Cal | |
| QUARTZLOCK | 10K-FRS | FREQUENCY STANDARD | Cal | |
| QUARTZLOCK | 10K-PR | FREQUENCY STANDARD | Cal | |
| QUARTZLOCK | 10K-PR FRS | FREQUENCY STANDARD | Cal | |
| QUARTZLOCK | 2A | FREQUENCY STANDARD | Cal | |
| QUARTZLOCK | A10-B | FREQUENCY STANDARD | Cal | |
| QUEENSGATE | ||||
| QUEENSGATE | NGC-0221-A | CAPACITOR | Cal | |
| QUEST | ||||
| QUEST | 2400 | SOUND LEVEL METER | Cal | |
| QUEST | CA12B | SOUND LEVEL CALIBRATOR | Cal | |
| QUEST | MICRO18 | SOUND LEVEL METER | Cal | |
| QUINTEL | ||||
| QUINTEL | VARI-WAVE II | UV METER | Cal |