Datasheet
69
7.7. 3 Trigger Output:
Output Level: TTL Compatible
Input Impedance: 1kΩ
7.7.4 Connector: isolated with case, limited voltage for connector housing is
±42Vpk
7.8 Frequency Counter
7.8.1 Frequency Range: 10mHz to 350MHz Resolution: 7 digits/s
7.8.2 Measurement of Period and Pulse-width: 100ns to 20s
7.8.3 Duty Cycle Measurement: 1% to 99%
7.8.4 Count Measurement: 1 to 9999999999
7.8.5 Sensitivity:
20mVrms to 5Vrms 10mHz to 150MHz
40mVrms to 5Vrms 150MHz to 250MHz
100mVrms to 5Vrms 250MHz to 300MHz
200mVrms to 5Vrms 300MHz to 350MHz
7.8.6 Gate Time: 1ms to 100s
7.8.7 Trigger Level: -2.5V to +2.5V
7.8.8 Couple Mode: AC, DC
7.8.9 Low-pass Filter: enable or disable
7.8.9 Connector: isolated with case, limited voltage for connector housing is ±42Vpk
7.9 Communication Port
7.9.1 Interface type: USB Device, USB Host, LAN
7.9.2 Connector: connected with case grounded
7.10 Clock
7.10.1 External Clock Input
Clock Frequency: 10 MHz ±50Hz
Clock Amplitude: 100m Vpp to 5 Vpp
Input Impedance: 300 , AC coupling
Connector: isolated with case and other connectors
7.10.2 Internal Clock Output
Clock Frequency: 10 MHz