53IIB/54IIB
Maintenance
Maintenance
Replacing the Batteries
Refer to the safety information in Table 1 before replacing the batteries.
1.Turn off the thermometer if necessary.
2.Loosen the screw and remove the battery door.
3.Replace the three AA batteries.
4.Replace the battery door and tighten the screw.
Calibration
To ensure that the thermometer performs to its accuracy specifications, Fluke recommends that you calibrate the thermometer annually, starting one year after purchase.
To calibrate the thermometer, contact Fluke for the Service Center nearest you or follow the calibration procedure in the service manual listed in "Replacement Parts and Accessories."
Specifications
Environmental
Cleaning the Case and Holster
Use soap and water or a mild commercial cleaner. Wipe with a damp sponge or soft rag.
Operating Temperature
Storage Temperature
Humidity
(14 oF to 122 oF)
Non condensing <10 oC (<50 oF)
95 % RH: 10 oC to 30 oC (50 oF to 86 oF)
75 % RH: 30 oC to 40 oC (86 oF to 104 oF)
45 % RH: 40 oC to 50 oC (104 oF to 122 oF)
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