Keysight Technologies DAQ970A Service Manual page 5

MODULE COVERS
WARNING
Always reinstall module covers after terminal wiring and before inserting
into mainframe.
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
WARNING
Do not operate the instrument in the presence of flammable gases or fumes.
DO NOT MODIFY THE INSTRUMENT
WARNING
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.
DO NOT MEASURE MORE THAN THE RATED VOLTAGE
WARNING
Maximum voltage as marked on each module is as below:
– DAQM900A: 120 Vrms
– DAQM901A, DAQM902A, DAQM903A, DAQM904A, DAQM908A: 300 Vrms
– DAQM905A, DAQM907A: 42 Vpk
– DAQM909A: +/-18Vpk (single ended) for both HI and LO pins.
DO NOT CONNECT ANY MODULE CHANNELS TO MAINS
WARNING
Measurement category of the instrument is rated as CAT 'Others', terminals
should not be directly connected to the mains.
Keysight DAQ970A/DAQ973A Service Guide 5