Technical Notes

 

Click below for the Technical Note Index

Specific product related technical notes can be found on the product’s page of the website.

General Technical Notes

The following table gives details of general technical notes and cross product information, click on the reference to open:

  • GEN001 – Chlorine alarm levels – 28/09/2007
  • GEN002 – Phosphine alarm levels – 28/09/2007
  • GEN003 – 87ESU new fan assembly – 07/11/07
  • GEN004 – Checkbox Cable Connections – 27/11/07
  • GEN005 – Gasman and Tetra 3 elastomer’s – 29/11/07
  • GEN006 – Custodian rechargeable battery packs & Gasman II batteries 04/12/07
  • GEN007 – Autocalibrator Obsolescence 11/12/2007
  • GEN008 – Use of Quad Gas mixture – 14/12/07
  • GEN009 – Pellistor Mimic Module Obsolescence 10/03/2008
  • GEN010 – IEC61508 and SIL – 07/07/09 issue 2
  • GEN011 – Monitoring Gasses un ducts – 14/05/08
  • GEN012 – Use of Quad Gas mixture 1 – 14/12/07
  • GEN013 – Use of Quad Gas mixture 2 – 14/12/07
  • GEN014 – Silicone wrist bands10/09/08
  • GEN015 – Marine Approved Fixed Product Status Issue 2 20/09/10 (Removed)
  • GEN016 – Calibration of ETO & VO sensors 13/01/09
  • GEN017 – Ozone Detector Calibration – Issue 2 22/06/2018
  • GEN018 – New date codes August 2014 1/8/14 Issue 2
  • GEN019 – Settings on mA output on 40/40 Flame detectors
  • GEN020 – Oxygen Bump testing advisory
  • GEN021 – Oxygen depletion in Helium Applications Issue 2 8/12/17
  • GEN022 – Portable in-field functional testing 22/12/10
  • GEN023 – Portable zero stability 25/03/11
  • GEN024 – 20L cylinders capacity reduced to 12L 25/03/11
  • GEN025 – Custodian Status Change Notification 13/07/11
  • GEN026 – Checkbox windows 7 64_32 bit compatibility
  • GEN027 – TPP Red Comms Cable – 16/02/12
  • GEN028 – HCl sensor Tetra, Tetra 3 and Gasman February 2012
  • GEN029 – Notice of Obsolescence Eikon H2­S UL approved version 02/03/12
  • GEN030 – SO2 (4S) and NH3 (NH3 3E 100 SE) Sensor cross sensitivity and inhibition guidance and warnings Tetra, T3 and Gasman 27/03/12
  • GEN031 – Checkbox USB Drivers (Windows XP) – 26/03/2012
  • GEN032 – Checkbox USB Drivers (Windows 7) – 26/03/2012
  • GEN033 – CO H2 Filtered sensor for Gasman and Tetra 3 27/03/2012
  • GEN034 – Eikon Obsolescence 26/11/2012
  • GEN035 – Portables Charger Update – 8/1/2013
  • GEN036 – Notice of Obsolescence (Nimbus) – 18/02/2013
  • GEN041 – Change from 300P to VQ21
  • GEN044 – Testing O2 sensors Issue 2 – 04/12/2013 (Removed)
  • GEN046 – Sprint FGA Availability -21/06/2013
  • GEN049 – Checkbox S-7 Error Resolution – 13/09/2013
  • GEN050 – Notice of Obsolesence (Cellarsafe) – 09/12/2013
  • GEN051 – Notice of Obsolescence (Gastec IV) – 01/10/2013
  • GEN052 – Notice of Obsolescence (Gasmaster 1) – 04/02/2014
  • GEN053 – MED Fixed Product Tech Note April 2014
  • GEN054 – Pellistor Correction factors Fixed Detectors (VQ1,VQ21, VQ25, VQ41) -Issue 5
  • GEN055 – Gas Cylinder Datasheet
  • GEN056 – Notice of Pellistor Obsolescence
  • GEN057 – Gasman & Tetra 3 Flammable sensor Correction Factors (Issue 3)
  • GEN058 – Charging requirements for Crowcon portable products
  • GEN059 – Notice regarding shipment of Lithium Batteries
  • GEN060 – Torque Settings for Crowcon Portables **(temporarily withdrawn – under review)**
  • GEN061 – Control System Software
  • GEN062 – Notice of Obsolescence (Checkbox IMH)
  • GEN063 – Notice of Obsolescence (Tetra)
  • GEN064 – Statement on Accuracy and Repeatability
  • GEN065 – PC Software for Portables – Issue 2
  • GEN066 – PC Communications Accessories for Portables – Issue 2
  • GEN067 – Warranty Periods (July 2022)
  • GEN070 – IRmax and XgardIQ DTM and DD HART Files
  • GEN071 – P90E Correction Factors for Triple Plus + and Detective +
  • GEN072 – Bump Testing Equipment for Portables – Issue 2
  • GEN073 – Notice of Obsolescence (Crowcon Clip)
  • GEN074 – Notice of Obsolescence Ditech Modules
  • GEN075 – Notice of Obsolescence Txgard Flamgard
  • GEN076 – Notice of Obsolescence C2 Oxygen Sensor
  • GEN077 – Notice of Obsolescence Inline power supplies for Tetra 3, Gasman and Triple Plus+
  • GEN078 – Bump Test Requirements
  • GEN079 – WEL Changes August 2018
  • GEN080 – Infra Red (IR) sensors – calibration
  • GEN082b – Oxygen sensor testing
  • GEN083 – WEL Changes – Replacing Sensor Modules
  • GEN084 – Notice of Obsolescence (TCgard)
  • GEN085 – Notice of Obsolescence (IREX)
  • GEN086 – Notice of Obsolescence (Hydra)
  • GEN087 – Oxygen Sensor (7OX-V) Storage Shorting Link
  • GEN088 – Change of Case Material (Portable Instruments)
  • GEN089 – Sensor Cross Sensitivity – Portable Instruments (Issue 2) **(temporarily withdrawn – under review)**
  • GEN090 – Notice of obsolescence – mercaptan sensors
  • GEN091 – Servicing and replacement of CO sensors in T3 and Gasman
  • GEN092 – Servicing and replacement of H2S sensors in T3 and Gasman
  • GEN093 – Removal of CD-ROMs from Crowcon products
  • GEN094 – HCN sensor iModule configurations in Gasman & T3
  • GEN095 – Replacement Certification labels for Crowcon Portables (Issue 2)
  • GEN098 – COVID 19 Product Cleaning Guidelines
  • GEN099 – COVID-19 Instrument Charging Guidance
  • GEN100 – Portables display resolution (Issue 2)
  • GEN101 – Diesel – Flammable Vapour & Exhaust Detection
  • GEN102 – Calibration and Bump Testing with Reactive Gases
  • GEN103 – Pumped sampling of gases (Issue 2)
  • GEN104 – Portables PC Installation (Issue 2)
  • GEN105 – Addressable Communications – Guidelines and Fault Finding
  • GEN108 – MPS Sensor Flammable Gases Detected (Issue 3)
  • GEN110 – MPS Sensor Calibration & Test Gases (Issue 2)
  • GEN111 – Notice of Obsolescence (LaseMethane mini – LMm)
  • GEN112 – Revised UK Alarm Levels for Portable Instruments (Issue 2)
  • GEN113 – Notice of Obsolescence (Detective NET Wireless Device)
  • GEN114 – Reason for Sensor Replacement with a New PCB
  • GEN115 – Notice of Obsolescence – Flamgard Plus & Txgard Plus
  • GEN116 – Notice of Obsolescence (Gasflag)
  • GEN117 – Sonos Klaxon Sounder Beacons