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TVOC MANUAL

Ion Science Ltd

Page 30 of 32

Spare parts

Part

Description

Part number

Calibration tool kit

Calibration magnet, Calibration adaptor,

Calibration connector, Zero gas aspirator,

Carbon filter, 2 x Allen keys.

A-849214

Flow adaptor

Replaces the standard Sensor Cap
(Allows an external pump to be fitted)

849218

Fixed bump adaptor

Replaces the standard Sensor Cap

(Allows an external pip connection)

849217

PID Lamp cleaning kit

Alumina powder and cotton buds

A-31063

Span Gas kit (100ppm)

100ppm Isobutylene (103Liters) and Flow

Regulator in a carry case

A-845213

Span Gas kit (10ppm)

10ppm Isobutylene (103Liters) and flow

Regulator in a carry case

849230

PID Cell

Replacement PID Sensor

1/EO-02

Carbon filter

User for ZERO span

A-31057

Calibration magnet

User to step through calibration

A-849219

Electrode stack

1/EA-02

PID lamp

A-833227

Содержание TVOC

Страница 1: ...TVOC User Manual V2 6 ______________________________________________ Part No 849215 www ionscience com...

Страница 2: ...TVOC MANUAL Ion Science Ltd Page 2 of 32...

Страница 3: ...Electromagnetic Compatibility EMC BS EN 50270 1999 Electromagnetic compatibility Electrical apparatus for the detection and measurement of combustible gases toxic gases or oxygen BS EN 61000 6 6 2001...

Страница 4: ...lications 12 Intrinsically Safe IS applications 14 Initial calibration 16 6 Operation 17 Start up 17 Cycle times 17 LED s 18 Selector pins 18 Calibration mode 19 7 Calibration 20 Calibration routine 2...

Страница 5: ...erated and serviced by qualified personnel 3 Please read and understand this user manual fully before installing operating or servicing TVOC Quality assurance TVOC has been manufactured in compliance...

Страница 6: ...tinuous 4 20 mA output which can be integrated into a DCS control system to give an indication of VOC levels in the operating environment In addition to the 4 20 mA output TVOC has an LCD display show...

Страница 7: ...n the contents and the packing list must be reported to Ion Science Ltd within 10 days of receipt of shipment Ion Science cannot be held responsible for shortages not reported with in the period Stand...

Страница 8: ...ector pins mounted on the reverse side of the main PCB Diagram 4 1 shows the location of the functional selector pins labelled A B C D The selector pins absence or presence determines the chosen setti...

Страница 9: ...See the calibration section of this manual NOTE TVOC is shipped with all selector pins fitted as standard TVOC only reads the selector pin settings when power is connected Always ensure power is disco...

Страница 10: ...ower if detecting VOC gases that are heavier than air but never on the floor This should maximise detection Mount TVOC in an area that has good air circulation Restricting natural air current may resu...

Страница 11: ...e 11 of 32 5 Installation 5 2 Mounting Dimensions for mounting TVOC are given in Diagram 5 2 1 below Diagram 5 2 1 NOTE The TVOC case can be used as a template when marking out fixing holes but do not...

Страница 12: ...using screened cables for both power in and signal out Cable screens must be terminated at the TVOC enclosure using EMC cable glands 5 4 Power requirements 5 4 1 Non Intrinsically Safe Non IS applica...

Страница 13: ...en the unit is installed with a non IS rated power supply the IS details on the front of the unit are not appropriate for the system The IS label should be covered up or blocked out This will prevent...

Страница 14: ...barriers for 4 20mA OUTLET Manufacturer Manufacturers pt no Type Pepperl Fuchs Z728 Zener barrier Pepperl Fuchs KFD2STC4 Ex1 Galvanic isolator MTL MTL7787 Zener barrier MTL MTL5042 Galvanic isolator...

Страница 15: ...on Science Ltd Page 15 of 32 5 Installation Diagram 5 4 2 1 Control equipment sensing 4 20 mA at supply rail Diagram 5 4 2 2 Control equipment sensing 4 20 mA to 0V Diagram 5 4 2 3 Control equipment s...

Страница 16: ...dispatch using 100ppm Isobutylene However if you wish to calibrate your TVOC once it is installed Ion Science recommends that the TVOC is left to run on its chosen settings see Section 4 TVOC Set up...

Страница 17: ...the length of time between servicing also depend on ambient air quality the higher VOC concentration detected by the instrument then the shorter the time between servicing 6 2 1 Adjusting the lamp OF...

Страница 18: ...conds At the end of the Start up routine TVOC will enter the selected monitoring routine 6 3 LED s The GREEN LED indicates TVOC s working status ON Indicates the PID lamp is OFF Flashing Indicates the...

Страница 19: ...urred 6 6 Calibration gases TVOC has three 3 ranges that can be selected however the 0 10ppm range requires the instrument is calibrated by the user before use The 0 100ppm and the 0 1000ppm ranges ca...

Страница 20: ...TVOC is working to specification NOTE Please read this entire calibration procedure before attempting a calibration TVOC calibration has 4 stages 1 Setting the ZERO Using clean gas via carbon filter 2...

Страница 21: ...uring this stage TVOC displays a direct milivolt mV output from the PID sensor 5 Slowly and repeatedly squeeze the hand aspirator to push clean air through the carbon filter and past the PID sensor Th...

Страница 22: ...through the numbers and remove the magnet at the desired figure The selected number will be recorded 5 seconds after the removal of the magnet when the display stops flashing The display will initial...

Страница 23: ...the RED LED will flash until an acceptable calibration has been carried out Unacceptable calibration levels will NOT be used TVOC will default to the previously stored acceptable calibration factor NO...

Страница 24: ...Allen Key supplied within the Calibration tool kit Calibration tool kit part number A 849214 WARNING Failing to remove the locking screw before unscrewing the Sensor Cap will damage the sensor holder...

Страница 25: ...nger contact with the PID Lamp window 6 Clean the PID Lamp using Alumina Powder loaded onto a cotton bud Rub the Cotton Bud Alumina power on the PID Lamp Window using a circular motion until a light a...

Страница 26: ...8 Place the clean PID Lamp into the PID Cell avoiding finger contact with the Window 9 Refit the Electrode Stack with the electrical pin holes and electrode wire racing down 10 Refit the Metal Spring...

Страница 27: ...not For Intrinsically Safe IS applications the unit must be inspected and have the fuse replaced by Ion Science Ltd or an Ion Science Approved Service Centre The intrinsically safe rating is not main...

Страница 28: ...ot be an issue The instrument needs to be left on for a few cycles to see if the lamp strikes on its own If F1 is still on screen after 5 minutes then look at the information below The first thing to...

Страница 29: ...m remains after the instrument has completed a few minutes of run cycles and the cable has been checked Or alternatively if the problem remains after you have tried replacement parts _________________...

Страница 30: ...xed bump adaptor Replaces the standard Sensor Cap Allows an external pip connection 849217 PID Lamp cleaning kit Alumina powder and cotton buds A 31063 Span Gas kit 100ppm 100ppm Isobutylene 103Liters...

Страница 31: ...ATEX IS approved applications Ask your installation engineers for installation and application advice Manufacturer Manufacturers part number Pepperl Fuchs Z715 MTL 7715P Stahl 9901 01 158 270 101 Pepp...

Страница 32: ...Software TVOC V2 2 Diagram 5 2 1 updated on page 11 31 3 08 V3 09 N A TVOC 2 3 Diagram updated on page 15 21 4 08 V3 09 N A TVOC 2 4 Declaration on conformity change only 27 11 08 V3 09 N A TVOC 2 5 L...

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