HP 410C - Ohms Adjust (R3)

Model 410C
TM 11-6625-1614-15
b. Adjust DC Standard (H-P Model 740A) to apply .015 to Model
410C .
c.
Model 410C should read full scale.
If not, adjust A6R18
for proper pointer deflection.
d.
Reset Model 410C RANGE to 1500 v. Adjust dc standard for
1000 v output.
e.
Adjust A3R30 for Model 410C reading of 985 v (1% low).
f.
If an error greater than ±2% of full scale exists on any
range between 0.5 v and 1500 v Inclusive, select new setting for
A3R30 to yield best results over these ranges. If error greater
than ±2% of full scale still exists on any of the above ranges,
readjust A6R18 to reduce error.
g.
If error greater than ±2% of full scale exists on any
range between 15 mv and 150 mv inclusive, select new setting for
A6R18 to yield best results on these ranges. If error greater
than ±2% of full scale still exists on any of the above ranges,
readjust A3R30 to reduce error.
h.
If error greater than ±2% of full scale exists on both 15
mv to 150 mv and 0.5 v to 1500 v ranges,
A6R18 to correct 15 mv and 150 mv range.
specification, proceed to readjust A3R30
1500 v range error.
5-33. OHMS ADJUST (R3).
start by readjusting
Once they are within
to correct 0.5 v to
a.
Set Model 410C FUNCTION SELECTOR to ORMS; RANGE to RX10M.
5-11