| | LDM-40 | LDM-100 | LDM-70 |
| Measuring Range | 0.05to 40m (0.15ft to 131ft) | 0.05 to 50m (0.15ft to 164ft) | 0.05 to 70m (0.15ft to 230ft) |
| Measuring accuracy (2σ) | Typically: ±1.5mm (±0.06in) | Typically: ±1.5 mm (± 0.06 in) | Typically: ±1.5 mm (± 0.06 in) |
| Smallest unit displayed | 1mm | 1mm | 1mm |
| Measuring units | m, in, ft | m, in, ft | m, in, ft |
| Measuring units | Class II 635 nm. < 1mW | Class II 635nm.<1mW | Class II 635nm.<1mW |
| Measuring units | IP 54 | IP 54 | IP 54 |
| History measurement records | 20 | 20 | 20 |
| Keyboard Type | Super Soft-Touch (Long life) | Soft-Touch Keypad | Soft-Touch Keypad |
| Operating Temperature | 0°C to +40°C (+32°F to +104°F) | 0°C to 40°C (32°F to 104°F) | 0°C to 40°C (32°F to 104°F) |
| Operating Temperature | -10°C to +60°C (14°F to +140°F) | -10°C to 60°C (14°F to 140°F) | -10°C to 60°C (14°F to 140°F) |
| Battery Life | Up to 4000 measurements | Up to 4000 measurements | Up to 5000 measurements |
| Batteries | Type AAA 2 x 1.5V | Type AAA 2 x 1.5V | Type AAA 2 x 1.5V |
| Auto. laser switch-off | after 0.5 min | after 0.5 min | after 0.5 min |
| Auto instrument switch-off | after 3 min | after 3 min | after 3 min |
| Size (HxWxD) | 115mm x 48mm x 28mm |
| Weight | 135g |
