have been calibrating

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of calibrate.
  calibrate

  verb (used with object)

  to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).

Related Words

• adjust
• assess
• average
• check
• compute
• determine
• estimate
• evaluate
• fit
• gauge
• limit
• mark
• peg
• quantify
• rank
• regulate
• survey
• weigh