Revelation 11:1

Then a reed was given me to serve as a measuring rod; and a voice said, "Rise, and measure God's sanctuary--and the altar--and count the worshipers who are in it.

Revelation 21:15

Now he who was speaking to me had a measuring-rod of gold, with which to measure the city and its gates and its wall.

Treasury of Scripture Knowledge

Summary

I lifted up mine eyes again, and looked, and behold a man with a measuring line in his hand.

Bible References

A man

Revelation 11:1
Then a reed was given me to serve as a measuring rod; and a voice said, "Rise, and measure God's sanctuary--and the altar--and count the worshipers who are in it.
Revelation 21:15
Now he who was speaking to me had a measuring-rod of gold, with which to measure the city and its gates and its wall.