Product references
| PRODUCTS | |
| OP-FSM | Standard model |
| OP-FSM-02 | Measurer (OP-FSM) + Headphone (OP-778) |
| ACCESSORIES | |
| OP-778 | Professional binaural headphone with rotative ear cups |
Technical specifications
| SCALE CALIBRATION | |
| Operating mode : -20 dB | 0,043 A/m |
| Operating mode : 0 dB | 0,400 A/m |
| Type of measurement | True RMS 125 ms |
| FREQUENCY RESPONSE | |
| Filter : | A/Flat : |
| 30 Hz - 500 Hz | -3 dB... -4 dB |
| 500 Hz - 2,5 kHz | ± 0,25 dB |
| 2,5 kHz - 10 kHz | ± 3 dB |
| OUTPUT | |
| Display | Color-coded LED dot display |
| Headphones | 3,5 mm cinch |
| POWER SUPPLY | |
| Battery | 2x AA |
| Indicator lights | LED |
| Operating time | 100 hours |
| PHYSICAL SPECIFICATION | |
| Dimensions | 83 x 126 x 35 mm |
| Weight | 300 g |
