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The instrument now reads in °C instead of °F. To return to
the original setting, simply repeat the process.
2.3 To Change Mode of Operation
The OS950 Models come from the factory operating in the
MAX mode. To change to the SCAN mode perform the fol-
lowing steps:
1. Remove the screw from the underside of the case.
2. Remove the cover, exposing the battery area.
3. Locate the slide switch as shown in the picture.
4. Change the position of the slide switch from 1 to ON.
The unit will now operate in the SCAN mode. ON Î SCAN,
1 Î MAX.
2.4 Temperature Measurements
2.4.1 General Operation
CAUTION... SHOCK HAZARD
DO NOT TOUCH THE INSTRUMENT
TO ELECTRICAL CONDUCTORS*
The OS950™ measures temperature very quickly. To
obtain an accurate measurement, it is only necessary to
touch the surface for a fraction of a second.
For exact surface temperature measurements that are NIST
traceable, use the following procedure:
1. Press and hold the MEASURE button.
2. The display will briefly show [8888].
3. Touch the nosepiece to the target surface.
4. The display may or may not change, but the "beeping"
sound will indicate that measurements are being
made.
5. Record the temperature from the display.
6. Release the MEASURE button. The last reading will
remain locked on the display for 10 seconds after
releasing the button.
ºF/ºC Switch
MAX/SCAN Switch
3