47.Set both the U.U.T. and TC-simulator to output 32.0°F (Type T). Adjust P1 for a null-meter reading of 0±3µV.

48.Hit OPR key to store T-calib zero adjustment.

NOTE: Steps 49 thru 54 apply to Model CL24 only. For Model CL23A go next to step 55.

49.Select Type-E thermocouple.

50.Turn off U.U.T.

51.Replace T calibration-cable with E calibration-cable.

52.Turn on U.U.T. Allow 2-3 minutes for thermal stabilization.

53.Set both the U.U.T. and thermocouple-simulator to 32.0°F (Type E). Adjust P1 for a null-meter reading of 0±3µV.

54.Hit OPR Key to store E-calib zero adjustment

55.Turn off U.U.T.

56.Remove calibration cover. Be careful not to disturb battery connections.

57.Re-install J1 jumper.

58.Re-install original back cover. Calibration is complete.

42

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Omega 27, 25, 26, 24 manual