Technical Information - Agilent Technologies PHD-4 User Manual

PHD-4 Portable Helium Detector User Manual

Technical Information

Description of the PHD-4 73
Theory of Operation
Basic Unit Data and Specification 76
Technical Characteristics of the PHD-4
Basic Module
PHD-4 Protection Function
Protection Level 1 (Enabled in Factory):
Protection Level 2
Routine Maintenance of the PHD-4 84
Replacement of the Ni-MH battery pack
Management of Filter Elements 88
Management of Sampling Pump 92
Original Instructions
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