| Manufacturer | TRUMETER |
| Type of counter | electronical |
| Type of counted signal | pulses/speed/time |
| Mounting | on panel |
| Mounting hole | 45x92mm |
| Display | LED |
| Display height 1 | 14mm |
| Body dimensions | 48x96x101.7mm |
| Resetting method | electrical, manual |
| Operating temperature | -20...65°C |
| IP rating | IP65 |
| Range | 999999 |
| Power supply | external |
| Kind of counter | progressive/reversing, with tachometer function, with preset value |
| Kind of IN1 | voltage |
| fIN1 count max | 65kHz |
| Kind of OUT1 | SPDT |
| Kind of OUT2 | SPDT |
| Supply voltage | 100...240V AC |
| Symbol | Kind of OUT3 |
|---|---|
| TRU-8981-5 | RS485 Modbus RTU |