| Recording Compacity: | Max. 16,000 data points × 16 ch, 32,000 data points × 8 ch |
| Communications Method: | Infrared Optical Communications (logger to the 3912-20), USB 1.1 (3912-20 to a PC) |
| Transfer Rate: | Logger to the 3912-20: 250 data/s, 3912-20 to a PC: 16000 data/s(12 Mbps) |
| Compatible OS: | Windows 98 / Me / 2000 / XP |
| Display: | Dot matrix LCD (128 × 64 dots) |
| Power Supply: | 4 × 1.5 V, LR03 (AAA) alkaline dry cell batteries |
| Dimensions: | 68.5 mm(2.70 in)W × 128 mm(5.04 in)H × 36 mm(1.42 in)D |
| Weight: | 180 g (6.4 oz)(including batteries) |
| Accessories: | USB cable(1), LR03 alkaline dry cell batteries (4), communication software (1) |