Keysight 53230A - Figure 1-1 the 53220 A;53230 A Universal Frequency Counter;Timer

1 Preparation for Use
22 Keysight 53220A/53230A User’s Guide
Figure 1-1 The 53220A/53230A Universal Frequency Counter/Timer.
Opt 010 UOCXO
Line
100-240V, 50-60 Hz
100-127V, 400 Hz
90VA Max
USB LAN
Int Ref Out Trig In
Ext Ref In Gate In/Out
Ch 1 Opt 201 Ch 2
Opt 106/115
IECS / NMB-001
N10149
ISM 1-A
Intertek
Opt 300 Battery
A
B
C D
GP-IB
(53220A/53230A Only)
Opt 150 sw
(53230A Only)