Ion Science MiniPID - Manual (Page 4)

MINIPID 3PIN MANUAL Ion Science Ltd
Page 4 of 27
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Contents
Declaration of conformity ............................................................................................................................... 3
Statements ....................................................................................................................................................... 5
Responsibility for Use .................................................................................................................................... 5
Introduction ...................................................................................................................................................... 6
Applications ..................................................................................................................................................... 6
Features ............................................................................................................................................................ 6
How does it work? ........................................................................................................................................... 7
What is a volatile organic compound (VOC)? ................................................................................................ 7
What is a response factor? ............................................................................................................................ 8
Physical properties .......................................................................................................................................... 9
Mechanical installation ................................................................................................................................. 10
Sealing the MiniPID ...................................................................................................................................... 10
Electrical Installation ..................................................................................................................................... 12
Selecting the correct supply voltage for your MiniPID ................................................................................. 12
Power-up surge ............................................................................................................................................ 13
Analogue output ........................................................................................................................................... 13
Error states (units shipped beginning 2009) ................................................................................................ 13
Zero offset correction ................................................................................................................................... 13
PCB layout for EMC noise reduction ........................................................................................................... 14
Temperature correction ................................................................................................................................ 15
Schematic Block diagram............................................................................................................................. 17
Intrinsic Safety circuit implementation .......................................................................................................... 17
Specification .................................................................................................................................................. 18
Common Electrical Specifications: ............................................................................................................... 18
Gas Detection Specifications (specific): ....................................................................................................... 19
Environmental Effects ................................................................................................................................... 21
Natural physical effects of humidity ............................................................................................................. 21
Maintenance ................................................................................................................................................... 22
When does my MiniPID require maintenance? ........................................................................................... 22
When do I clean the MiniPID lamp? ............................................................................................................. 22
When do I replace the MiniPID electrode pellet? ......................................................................................... 22
When do I replace the MiniPID lamp? ......................................................................................................... 22
Removing Mini Pellet and Lamp .................................................................................................................. 22
Cleaning the MiniPID Lamp ......................................................................................................................... 23
Re-fitting MiniPID pellet and lamp ................................................................................................................ 24
Instrument warranty and service ................................................................................................................. 24
Warranty ....................................................................................................................................................... 25
Service ......................................................................................................................................................... 25
Contact Details ............................................................................................................................................. 25
Manual log ...................................................................................................................................................... 27