TB 9-5905-229-24
(g) Adjust VR4 (fig. 2) to obtain a multimeter reading that agrees with the
Cool/Heat Source as monitored by the thermometer C 0.05 mV dc.
(h) Select the F position and verify that the output is within 4 mV dc of the
Cool/Heat Source thermometer reading.
(i) Set the Cool/Heat Source to 0 C bath, wait 10 minutes, then check the
output. If readjustment is necessary, repeat technique of (d) through (h) above until
readings can be obtained without adjustment.
(j) Set the 80T-150UA switch to the OFF position and remove the 80T-150UA
from the multimeter.
(k) Reassemble the 80T-150UA.
Figure 2. Model 80T-150UA Adjustments.
9. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
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