Crowcon Triple Plus+ Скачать руководство пользователя страница 34

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Appendix 3 – Sensor Limitations

Triple Plus+ and Triple Plus+ IR

**Only if MUTE function enabled (via Portables PC).

LOG

level configuration items:

Text

Description/Options

START* Start data logging
STOP** Stop data logging
SITE

Select site: Site 1, Site 2, …. Or string programmed via

Portables PC

USER Select user: User 1, User 2, ...Or string programmed via

Portables PC

*This option is only present if the logger is currently stopped.
**This option is only present if the logger is currently on.

Содержание Triple Plus+

Страница 1: ...Triple Plus Triple Plus IR User Manual M07701 February 2010 Issue 4a Ex Ox Tox Gasdetectie Westerdreef 5V 2152 CS Nieuw Vennep Telefoon 0252 620885 E mail info exoxtox nl Website www exoxtox nl ...

Страница 2: ...tery pack supplied by Crowcon Charging is only permitted in the non hazardous area DO NOT CHARGE IN HAZARDOUS AREA 4 The equipment has not been assessed as a safety related device as referred to by Directive 94 9 EC Annex II clause 1 5 and IEC Certfication Scheme for Explosive Atmospheres 5 Repair of this equipment shall be carried out by the manufacturer or in accordance with the applicable appro...

Страница 3: ...LRQA ISO9001 2008 II 2G Ex ib d IIC T4 Gb ...

Страница 4: ...II Maintenance and Calibration 22 7 1 Recalibrating 22 7 2 Replacing the Lead Acid Battery Pack 22 7 3 Fitting the Lithium ion Battery Pack 23 7 4 Replacing a sensor module 23 7 5 Back up memory 23 VIII Limitations of Use 24 IX Accessories and spares 25 Appendix 1 Pumped version optional 27 Appendix 2 Default Flammable Correction Factors 28 Appendix 3 Front Panel Text Items 29 Appendix 4 Sensor Li...

Страница 5: ... the UNMARKED button to silence the sound er the red LEDs will continue to flash if gas is present The sounder will be triggered again if a new alarm threshold is reached Low battery Alarm will sound when battery is low Press user accept Reset Alarm Press the UNMARKED button Turn On Backlight Press the BACKLIGHT button It stays on for 30 minutes unless the button is pressed again Battery Low Green...

Страница 6: ...ures intrinsic safety The battery type is chargeable lead acid which is accessible via an exter nal hatch to permit easy replacement and maximum instrument usage but it is more likely that the facility to recharge the instrument with the battery pack in situ will be used Crowcon have recently introduced the Lithium ion recharge able battery pack which offers superior performance over lead acid bat...

Страница 7: ...ways be calibrated for the species to be determined or a suitable target If other specific hydrocarbon species need to be detected please consult Crowcon as to the optimum calibration The infrared sensor in Triple Plus IR can be supplied on one of two configura tions as follows Single range LEL In this case the Triple Plus IR can have up to three other sensors from the standard range of toxic and ...

Страница 8: ...ng default data will be displayed With all three of these error warning messages the condition must be accepted by pressing the UNMARKED button indicated on the display with the word CONTINUE above it The instrument can alarm on instantaneous gas levels and on both short and long term Time Weighted Average TWA gas exposure levels Note that the Time Weighted Average toxic gas exposures are reset to...

Страница 9: ...ts immediate vicinity Display options The instrument may be configured into alternative display modes by the DISPY option see DISPY in section 3 2 Configuration Options The ON button can be programmed to switch between modes The possible display modes are Normal All gas values units and names are displayed in real time Average The average gas reading since the instrument was switched on is display...

Страница 10: ...used with ethyl nitrate vapours or in hazardous areas containing IIC gases e g hydrogen acetylene where the risk of mechanical damage to the enclosure is high 2 5 Backlight In low ambient light conditions the backlight can be activated to illuminate the display by pressing the BACKLIGHT button To switch off the backlight press the BACKLIGHT button again or it will turn off automatically after a co...

Страница 11: ...RKED button when the instrument is not in an alarm condition The series of status screens show the following information in sequence Press the UNMARKED button to move onto the next screen and eventually back to the main instrument display of gas levels If the button is not pressed for 20 sec onds the instrument will timeout and return to the main gas reading screen The date current time and the ti...

Страница 12: ...G QUIT LOG The four buttons have above them a symbol or word these are the soft key functions currently assigned to that particular key Use the ON and BACKLIGHT buttons to scroll left and right the CAL button to quit the menu system and the UNMARKED button to select a menu option View the road map on page 31 for details of Triple Plus configuration menu system The options available are MENU This s...

Страница 13: ...RT QUIT START Press the UNMARKED button to enter the START submenu START ZERO LOG QUIT Use the and buttons to scroll through options Section 3 2 Press QUIT to select option and quit menu Save the changes YES NO Press the first button to save the change and move the menu back up a level and the last key to leave the selection as it was unchanged and move back up a level The menu system has timeouts...

Страница 14: ...ause the instrument to ignore temporary excursions above instantaneous alarm thresholds but to go into alarm instead when the SHORT TERM or LONG TERM exposure levels have been reached ALL ACTIVE enables both TWA and instantaneous alarm types but allows the user to silence instan taneous alarms see section 2 Operation ZERO When this option is selected the instrument will give the prompt ZERO ALL On...

Страница 15: ...function If the DISPY mode has been set to some thing other than NORMAL then NORMAL allows the display mode to be tog gled from that set in the DISPY option to the normal gas display Note these display functions have no effect if the DISPY mode is set to OFF and that the instrument will always start up in the display mode set by the DISPY function If the MUTE function is enabled then a SILENT ALAR...

Страница 16: ...N QUIT CAL The actual gas reading is displayed on the top line and should go up when the relevant TEST GAS is aspirated over the sensors When the reading has stabilised use the UP and DOWN keys to make the reading match the known test gas con centration Now press CAL to actually calibrate the instrument s gain QUIT can be pressed to abandon the calibration If the instrument is calibrated it will e...

Страница 17: ...EL areas covered by ATEX IEC 60079 29 2007 3 Prepare to apply two samples of methane gas to the unit in quick succession first 6 Volume Methane and then 50 Volume Methane Applying 6 Volume Methane will set the pellistor into save mode so it will not be damaged by applying higher volume levels of calibration gas 4 Stop the flow of 6 Volume Methane and follow it within one or two seconds with 50 Vol...

Страница 18: ...be ignored when the instrument s display mode is selected as OFF LEVEL This option displays and allows modification of alarm 1 for flammable LEL chan nels Use the two keys labelled on the display as UP and DOWN to adjust this alarm level between to the required value Note Crowcon does not generally recommend that alarm levels be set to a level that is less than 5 of the sensor s range because of t...

Страница 19: ...itoring display If YES is pressed the display will change to SENSORS SETTLING with a line of dots appearing on the bottom line of the display to indicate the instrument is working The instrument will now wait until there appears to be a good steady flow of gas and then the calibration will be performed If the instrument per ceives that the gas level is not steady then the message Gas not stable wi...

Страница 20: ...gured via a PC CONFIDENCE BLIP The green LED will always flash once every three seconds This option determines if an audible blip is also made LOG PERIOD Allows setting of the data logging period anywhere from 1 sec ond to 24 hours See section on data logging for description S T E L TIME The short term exposure limit S T E L averaging period set between 5 and 15 minutes 15 minutes is the UK standa...

Страница 21: ... When this feature is enabled it is possible to access the MUTE parameter in the instrument s menu system and to mute alarms Without enabling the Alarm Mute feature via Portables PC the MUTE function is not available OVERRANGE OPTION This selects the instrument s action when a sensor goes overrange See section 2 3 Overrange ZERO OPTION By default the ZERO option is in the passworded section of the...

Страница 22: ...he new LIBRA lithium ion battery pack the unit will turn off and start charging If performing calibration or maintenance work turn the instru ment on when fitted into the charger or back on again if switched off when placed in the charger The Charger Interface also allows communication between the instrument and a computer To use Triple Plus Plus IR CHARGING UNIT locate the instrument do not switc...

Страница 23: ...is to remain unused for a length of time it should be charged prior to the period of storage Due to the safety circuitry included within the Lithium ion battery pack the battery will discharge when the unit is not in use Always charge fully before use or store on charge ...

Страница 24: ...rument is turned off When the memory is filled the new data over writes the oldest A log is extracted from the instrument and saved as a file on the computer via the Portables PC software LogManager is then used to inspect the log See the separate documentation for these two pieces of software for additional details The instrument notes the following events in the log along with a note of the chan...

Страница 25: ...nder silent INST toxic alarm accepted Reset if possible check configuration Gas reading no gas Zero drifted Zero instrument Unstable inaccurate reading Sensor failed Recalibrate or replace sensor Loading Defaults mes sage on display screen Back up battery is dis charged Recharge unit overnight switched on in charger then re configure and recalibrate Short life from Li ion battery pack Low voltage ...

Страница 26: ...s marked on the flowhead Adjust the control valve on the flow meter to achieve a flowrate of 0 5 litre min Wait until the reading has stabilised on the Triple Plus Plus IR display before programming in the new level Now shut off the valve and disconnect the supply of test gas Aspirate fresh air through the flowhead using the rubber bulb until the reading has returned to zero If there are signs of ...

Страница 27: ... sensor module to be replaced and disconnect the flexible pcb from it by lifting the shroud from the header and pulling gently on the tail Remove the two Pozi drive screws and the old sensor module Remove the old gasket membrane assembly Fit the new components accord ingto a reverse of the above procedure ensuring that the shroud is pushed home over the header to grip the flexible pcb tail securel...

Страница 28: ...riple Plus IR VIII Limitations of Use LONG TERM STORAGE LIMITS OPERATING LIMITS min max min max TEMPERATURE 0 C 20 C 10 C 50 C PRESSURE 900 mbar 1100 mbar 900 mbar 3 bar HUMIDITY non condensing 15 RH 90 RH 20 RH 90 RH INGRESS PROTECTION IP65 ...

Страница 29: ... US 110V power pack C01549 Charger Interface II UK C01436 Charger Interface II USA C01437 Charger Interface II Europe C01438 Portables PC Software CD C01832 Spares list General Spares Membrane switch protector sheet of 2 M05809 Carrying strap C01323 Main PCB English S011298 E Main PCB French S011298 F Main PCB Dutch S011298 D Safety component PCB S011301 3 Sounder S011300 Lithium ion battery pack ...

Страница 30: ...ange 0 100 LEL 0 100 Volume S011319 Sensor Module Butane 0 100 LEL S011320 Sensor Module Butane Dual Range 0 100 LEL 0 100 Volume S011321 Sensor Module Ethylene 0 100 LEL S011322 Sensor Module Ethylene Dual Range 0 100 LEL 0 100 Volume S011323 Sensor Module Acetylene 0 100 LEL S011790 Sensor Module Acetylene Dual Range 0 100 LEL 0 100 Volume S011792 Triple Plus IR Membrane Switch Assembly E01823 N...

Страница 31: ...he instrument and the outlet BULB side of the flow plate The sample tube should be connected to the INLET side of the flowhead The pump mode is remembered while the instrument is switched off On increasing the length of the sample tube the response time will be affected and some gases may be absorbed e g chlorine Add approximately 1 5 sec onds per metre of sample tube for gas to reach the instrume...

Страница 32: ...ane 3 character name Pentane 2 0 1 0 PEN Methane 1 0 0 5 CH4 Butane 1 7 0 9 BUT Propane 1 4 0 7 PRO Hydrogen 0 9 0 5 H2 Toluene 2 7 1 4 TOL Ethanol 1 6 0 8 ETH Petrol Vapour 2 5 1 3 PET Ammonia 0 7 0 4 NH3 Methanol 1 3 0 7 MTL LPG 1 4 0 7 LPG Propanol 2 0 1 0 PRL Note that these correction factors apply to VQ32 pellistor sensor modules The factors only apply to the Triple Plus and may differ if an...

Страница 33: ...ANT ALL ACTIVE TWA ONLY BUTTN Select programmable button function NOTHING NORMAL AVERAGE TWA TOXIC PEAK HOLD PUMP SILENT ALARMS CALIB Calibrate selected channel DISPY Select display mode NORMAL AVERAGE OFF TWA TOXIC PEAK HOLD FLAMM Select flammable correction factor NO CORRECTION LEVEL Allows setting of flammable alarm 1 1 L E L and alarm 2 level LIGHT Select backlight timeout ALWAYS ON NO TIMEOUT...

Страница 34: ...items Text Description Options START Start data logging STOP Stop data logging SITE Select site Site 1 Site 2 Or string programmed via Portables PC USER Select user User 1 User 2 Or string programmed via Portables PC This option is only present if the logger is currently stopped This option is only present if the logger is currently on ...

Страница 35: ...ence of other gases may cause the sensor to respond If unsure contact Crowcon or your local agent Use of high power radio transmitters in close proximity to the instrument may exceed RFI immunity levels and cause erroneous indications If such problems are experienced remove antennae to a reasonable distance from the instru ment e g 30 cm Standard Triple Plus units detect flammable gases using a ca...

Страница 36: ...32 Appendix 5 Menu Map Triple Plus and Triple Plus IR Appendix 5 Menu Map 15 APPENDIX 5 Menu Map 24 24 This function does not appear in Triple Plus IR ...

Страница 37: ...Ex Ox Tox Gasdetectie Westerdreef 5V 2152 CS Nieuw Vennep Telefoon 0252 620885 E mail info exoxtox nl Website www exoxtox nl ...

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