BEFORE APPLYING POWER
Verify that all safety precautions are taken. Make all connections to the unit before applying power.
GROUNDTHEINSTRUMENT
This product is provided with protective earth terminals. To minimize shock hazard, the instrument
must be connected to the ac power mains through a grounded power cable, with the ground wire fam-
ily connected to an electrical ground (safety ground) at the protective (grounding) conductor. Dis-
connection of the protective earth terminal will cause a potential shock hazard that could result in
personal injury.
BEFORE POWER ON AND OFF
Before powering on the instrument, make sure all signal sources connected to modules are turned
off. Turn on signal sources after the instrument is powered on. Turn off signal sources before the
instrument is powered off.
DONOTREMOVETHEINSTRUMENTCOVER
Only qualified, service-trained personnel who are aware of the hazards involved should remove the
instrument covers. Always disconnect the power cable and any external circuits before removing the
instrument cover.
MODULE COVERS
Always replace module covers after terminal wiring and before inserting into mainframe.
DONOTOPERATEINAN EXPLOSIVEATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes.
DONOTMODIFYTHEINSTRUMENT
Do not install substitute parts or perform any unauthorized modification to the product. Return the
product to a Keysight Sales and Service Office for service and repair to ensure that safety features are
maintained.
DONOT MEASUREMORE THAN THE RATED VOLTAGE
Maximum voltage as marked on each module is as below:
a) DAQM900A: 120 Vrms
b) DAQM901A, DAQM902A, DAQM903A, DAQM904A, DAQM908A: 300 Vrms
c) DAQM905A, DAQM907A: 42 Vpk
DO NOT CONNECT ANY MODULE CHANNELS TO MAINS
Measurement category of the instrument is rated as CAT 'Others', terminals should not be directly con-
nected to the mains.
ACPOWERCORD
Removal of the AC power cord is the disconnect method to remove power from the instrument. Be
sure to allow for adequate access to the power cord to permit disconnection from ACpower. Use only
the Keysight specified power cord for the country of use or one with equivalent ratings.
Safety and Regulatory Information
10 Keysight DAQ970A User's Guide