HP 3455A Operating And Service Manual page 56

OPERATIONAL VERIFICATION TEST CARD
DC ACCURACY TEST
34554 3455A
Input
High Positive
Negative
Level
Resolution Reading
Reading
Test Limits*
100 Vv
1000 v**
tiiit
**For positive readings only. Do not apply negative voltages greater than
+600 V de.
AC VOLTMETER ACCURACY TEST 30 Hz TO 1 MHz
(Standard Model 3455A Only)
e. 34554
* ACV Function Only