Sensor range
The sensor range was the range by which a sensor could detect someone or something.

In 2266, after Outpost 2 came within the sensor range of the , the starship performed a sensor sweep of the area where the destroyed outpost had been located. ()

In 2267, the Enterprise picked up a Klingon scout ship at the edge of their sensor range. ()

Later that year, as they attempted to locate an unidentified attacker, the Enterprise proved unable to find it in their sensor range. ()

In 2268, Commander Spock informed Captain James T. Kirk that Deep Space Station K-7 was within the sensor range of the Enterprise. ()

Later that year, the Enterprise detected a Tholian ship entering its sensor range. ()

In 3189, the speed by which the  appeared in sensor range convinced the raider Wen that the starship had dilithium on board. ()

See also 
 Scanning range

Measurements