ACTIA FirsTach 028 electronic automotive tachographs are designed for installation in automotive vehicles ( Trucks and Buses ) whose electric system is of 24V nominal voltage. The instruments indicate and record momentary speed of a vehicle, the distance traveled and driver's activities. Basic technical data: 1. Measuring and recording speed scale (25 to 125) km/h 2. Measuring speed scale unit value 10 km/h 3. Distance counter measuring scale (0.1 to 999999.9) km 4. Distance counter scale unit value 0.1 km. Recording chart with speed recording upper limit 125km/h ManufacturerÆs symbol: a. F60 125 0011 (e3 202) ACTIA, b. F60 125 0000 (e3 201) ACTIA, 5. Maximum recording time 24 h 6. Constant k measuring scale (4000 to 36441) imp/km. 7. Nominal operating voltage 24V 8. Supply voltage (20 to 30) V 9. Tachograph designed for One driver Two drivers 10. Driving time Automatic 11. Working temperature range ( -40 to +90) C 12. Working angle (0 to 90) degree 13. Lighting and signaling Luminescent diodes 14. Clock mechanism Electronically controlled 15. Weight approx. 1.0 kg Packed 1 unit / package Weight: approx. 1 kg Min. order: 100 pcs.