HP-8920A/HP-8921A/HP-8921A/HP-8924C 14DB PAD REPLACEMENT POWER ATT
IF YOU HAVE A HP SERVICE MONITOR THAT NEEDS 60/100 WATT UPGRADE
THIS IS THE DEVICE YOU NEED-YOU ALSO WILL NEED A RECALIBRATION
YOU MIGHT HAVE TO SHIP IN UNIT TO BE POWER RECALIBRATED