biosystems PhD Lite - Default Chapter; Table of Contents

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Table of Contents
Chapter 1. Description ---------------------------------------------------------------------------------------7
1.1 PhD Lite capabilities------------------------------------------------------------------------------------------------------------7
1.2 Methods of sampling-----------------------------------------------------------------------------------------------------------7
1.3 Multi-sensor capability---------------------------------------------------------------------------------------------------------7
1.4 Calibration -------------------------------------------------------------------------------------------------------------------------7
1.5 Alarm logic-------------------------------------------------------------------------------------------------------------------------7
1.5.1 Alarm latch -------------------------------------------------------------------------------------------------------------------------------7
1.5.2 Atmospheric hazard alarms-----------------------------------------------------------------------------------------------------------8
1.5.3 Sensor overrange alarms.-------------------------------------------------------------------------------------------------------------8
1.5.4 Low battery alarms----------------------------------------------------------------------------------------------------------------------8
1.5.5 Other alarms and special microprocessor features ------------------------------------------------------------------------------9
1.6 Other electronic safeguards -------------------------------------------------------------------------------------------------9
1.6.1 Security beep ----------------------------------------------------------------------------------------------------------------------------9
1.7 Classification for intrinsic safety-------------------------------------------------------------------------------------------9
1.8 Sensors-----------------------------------------------------------------------------------------------------------------------------9
1.9 Continuous sample draw pump --------------------------------------------------------------------------------------------9
1.10 Black box data recorder ----------------------------------------------------------------------------------------------------9
1.11 Remote Vibrating Alarm ----------------------------------------------------------------------------------------------------9
1.12 PhD Lite design components------------------------------------------------------------------------------------------- 10
1.13 PhD Lite standard accessories----------------------------------------------------------------------------------------- 10
1.13.1 Alkaline PhD Lite detectors ------------------------------------------------------------------------------------------------------ 10
1.13.2 NiMH PhD Lite detectors ---------------------------------------------------------------------------------------------------------10
1.14 PhD Lite kits------------------------------------------------------------------------------------------------------------------ 10
1.14.1 PhD Lite Confined Space Kits -------------------------------------------------------------------------------------------------- 10
1.14.2 PhD Lite Value Packs ------------------------------------------------------------------------------------------------------------- 10
Chapter 2. Basic operation--------------------------------------------------------------------------------11
2.1 Operational warnings and cautions ------------------------------------------------------------------------------------- 11
2.2 On and off sequences-------------------------------------------------------------------------------------------------------- 11
2.2.1 Start-up sequence -------------------------------------------------------------------------------------------------------------------- 11
2.2.1.1 Other start-up screens --------------------------------------------------------------------------------------------------------- 12
2.2.1.1.1 Non-standard alarms------------------------------------------------------------------------------------------------------- 12
2.2.1.1.2 “Warning Sensor Needs Cal”---------------------------------------------------------------------------------------------- 13
2.2.2 Shut-down sequence----------------------------------------------------------------------------------------------------------------- 13
2.3 Operating modes -------------------------------------------------------------------------------------------------------------- 13
2.3.1 Text Only mode------------------------------------------------------------------------------------------------------------------------ 13
2.3.2 Basic mode----------------------------------------------------------------------------------------------------------------------------- 14
2.3.3 Basic/Peak mode --------------------------------------------------------------------------------------------------------------------- 14
2.3.3.1 Peak readings-------------------------------------------------------------------------------------------------------------------- 14
2.3.3.2 To reset peak readings--------------------------------------------------------------------------------------------------------- 14
2.3.4 Technician mode---------------------------------------------------------------------------------------------------------------------- 14
2.3.4.1 STEL------------------------------------------------------------------------------------------------------------------------------- 15
2.3.4.2 TWA readings--------------------------------------------------------------------------------------------------------------------15
2.3.4.3 Average readings----------------------------------------------------------------------------------------------------------------15
2.3.5 Changing operating modes --------------------------------------------------------------------------------------------------------- 15
2.4 Batteries-------------------------------------------------------------------------------------------------------------------------- 16
2.4.1 Alkaline batteries---------------------------------------------------------------------------------------------------------------------- 16
2.4.1.1 Replacing alkaline batteries--------------------------------------------------------------------------------------------------- 16
2.4.2 NiMH rechargeable battery --------------------------------------------------------------------------------------------------------- 16
2.4.2.1 Storage guidelines for the NiMH battery.----------------------------------------------------------------------------------- 16
2.4.2.2 Charging guidelines for NiMH battery--------------------------------------------------------------------------------------- 16
2.4.2.3 Charging procedure for NiMH battery--------------------------------------------------------------------------------------- 16
2.4.3 Low battery alarms-------------------------------------------------------------------------------------------------------------------- 17
2.5 Methods of sampling--------------------------------------------------------------------------------------------------------- 17
2.5.1 Using the hand-aspirated sample draw kit--------------------------------------------------------------------------------------- 17
2.5.2. Motorized sample draw pump ------------------------------------------------------------------------------------------------------18
2.5.2.1 Using the continuous sample draw pump ---------------------------------------------------------------------------------- 18
2.5.2.2 Protective “low flow” shut-downs--------------------------------------------------------------------------------------------- 19