Wall Mount, SL1168 Flow range : 0 to ± 40 ft/s (0 to ± 12 m/s) Accuracy : ± 1 % of reading Repeatability : 1,3 % Output : - OCT Pulse, 0~10 Khz - Relay output - 4-20 mA output (optional) - Communications : RS 232 Modbus Protocol - Power Consumtion : 2w