Service:sensor[1]|2:Tnumber - Keysight N1911A Programming Manual

SERVice:SENSor[1]|2:TNUMber?

This query returns the tracking number for P-Series and E-Series sensors.
Tracking number information is stored in the sensor's EEPROM.
Syntax
SERV
Example
SERV:SENS2:TNUM?
Error Messages
– If no sensor is connected, error –241, "Hardware missing" occurs.
– If a a sensor other than a P-Series or E-Series power sensor is connected, error
N1911A/1912A P-Series Power Meters Programming Guide
:SENS
–241 "Hardware missing" occurs.
1 :TNUM
2
This query returns the serial number of the
E-Series sensor connected to Channel B.
SERVice Subsystem
?
15
721