Agilent Technologies 7890A Instruction Guide

16 Instruction Guide
Replacing the NPD Bead
Ceramic Beads (White or Black)
• A new ceramic bead typically ignites between 2.8 to 3.2 V.
Recommended flow settings (starting values):
Capillary makeup flow: N
2
5 to 10 mL/min
He < 5 mL/min
Hydrogen flow: 2 to 5 mL/min
Air flow: 60 mL/min
NPD Bead Replacement.book Page 16 Monday, October 13, 2008 2:32 PM

Agilent Technologies 7890A Specifications

General

Brand	Agilent Technologies
Model	7890A
Category	Laboratory Equipment
Language	English