| Measurement method | Red light in the visible spectrum + reflective tape or a reflective plate (Contact Adapter Z5003) |
| Contactless measurement detection range | 50 to 500 mm |
| Reflection detection indication | Flashing red LED built into HOLD key + buzzer |
| Sampling period | 62.5 ms to 2 s (varies with operating conditions) |
| Display refresh rate | Approx. 0.5 to 10 times/sec |
| Drop resistance | 1 m onto concrete |
| Dust and water resistance | IP 50 (EN 60529) |
| Functionality | Min./max. display, hold, averaging function, Auto Power Save, buzzer, backlight |
| Operating temperature range | 0°C to 50°C |
| Operating humidity range | Temperatures up to 40°C: 80% RH or less Temperatures from 40°C to 45°C: 60% RH or less Temperatures from 45°C to 50°C: 50% RH or less |
| Standards | EMC: EN 61326-1, EN 61000-3-2, EN 61000-3-3 Safety: EN 61010-1 |
| Power supply | AA alkaline battery (LR6) × 2 or AC Adapter Z1004 (FT3406 only) |
| Max. rated power | 0.5 VA |
| Continuous operating time | Approx. 30 hours (FT3405) or approx. 25 hours (FT3406) (When using alkaline batteries; varies with operating conditions) |
| Dimensions and weight | 71 (W) × 186 (H) × 38 (D) mm, 230 g (including batteries) |