When i use HMI mode, i get tune response proportional to the dilution selected, 

Eg :- He mode, Mass 59 is 375 counts at HMI-25, which is 375*25 = 9375, Usually i get 12,000 cnts with out HMI for M59, , If i multiply the dilution factor, the response will meet the Agilant's minimum advisable limit,

Question 1) is the above scenario is OK?

2) No gas mode on HMI gives very high doubly charge, what is the solution?

Waiting for the valuable answers

Thanks, Binu

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