4.0 DIRECTIONS FOR USE
4.1
Connect any Physitemp type T thermocouple probe to the blue polarized socket on the rear
of the instrument.
4.2
Switch ON by depressing switch on front of unit - switch shows orange when in ON position.
For several seconds the digital display should read “1888” as a segment check. Do not use if any dis-
play segment is inoperative. A calibration check is not necessary before each use.
4.3
Read temperature. Leave on for monitoring as long as desired.
4.4
Switch off after use.
4.5
Special Display Indications
1
A single digit 1 to the left signifies reading is outside
instrument range.
0
A single digit 0 to the left indicates an open cable or
probe. Check connection. If this is good, replace probe.
A flashing colon in the center of the display signifies
low battery alert. Accurate readings will still be
obtained, and it is not necessary to discontinue use
immediately. Install new batteries the next time the
unit is turned off.
A non-flashing colon signifies imminent battery
failure. Install new batteries to ensure accurate
readings.
5.0
REPLACING BATTERIES
5.1
CAUTION: Use only alkaline “C" cell batteries. Switch instrument OFF.
5.2
Grasp "squeeze release" on back panel and pull off battery retainer.
5.3
Remove battery connectors and slide out battery holder.
5.4
Discard old batteries and replace with fresh “C" cells.
5.5
Replace battery holder and refit connectors.
5.6
Insert top edge of battery retainer into lip of case. While grasping "squeeze release" push
retainer in until flush with back of case.
4
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