Rotational Speed Monitor

Power supply ac 30-250v，dc 10-60v，universal ac-dc 20-240v load current dc:200ma,ac500ma residual voltage dc2 wire:≤6v ac 2wire≤10v dc 3wire ≤2.5v consumption current ≤25ma detect object 30×30×1 a3 iron repeat accuracy ≤3% speed 3..1200timeminutes ambient temperature -20...70℃ shell material copper protection grade ip67 temperature drift ≤±10% protection circuit surge,short-circuit,reverse polarity indicator led hysteresis 1...20% connection pvc cable 2m housing size m30×1×80.