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9 Appendix

│

Structure application

Gas

Unit

Min

Max

Condition at

delivery

Resolution

ppm

100

10,000 1,000

ppm

100

10,000 3,000

9.4

Alarms

Note:

Always observe the warning in section 2.3.3.2.

9.4.1

Features

The update rate for alarms is max. 1 second.

AL1: Pre-alarm

Adjustable:

Yes

Latching:

Exception:

For oxygen,

AL1

is self-latching.

Trigger:

When alarm threshold AL1 is exceeded

Exception:

In the case of oxygen, the alarm is triggered after level

falls below alarm threshold

AL1

Indicator:

– audible signal

– visual signal

–

AL1

symbol

Acknowledge-

ment:

audible signal

– after the alarm has been triggered

Reset:

Automatic when level falls below alarm threshold

AL1

Содержание EX-TEC PM 400

Страница 1: ...14 01 2020 a 107707 en EX TEC PM 580 550 500 400 Operating Instructions...

Страница 2: ...Device Fig 1 Front view Fig 2 Rear view Signal light Display Menu key Up key Enter key Down key ON OFF key Buzzer Gas input Filter fastener Belt clip with D ring Battery compartment...

Страница 3: ...ue 1 Bar graph with quasi logarithmic scale Measurement value gas unit Measurement value 2 Measurement value gas unit Application Remaining capacity disposable rechargeable battery Fig 4 Display in me...

Страница 4: ...on of warnings in this document A DANGER Risk of personal injury Will result in serious injury or death A WARNING Risk of personal injury Can result in serious injury or death NOTICE Risk of damage to...

Страница 5: ...Alarm signals 12 2 3 3 3 Operating signal 13 2 3 3 4 Signals in the event of faults 13 2 3 4 Display illumination 13 2 3 5 Gas input and filter 13 2 3 6 Belt clip and short probe 14 2 4 Additional pr...

Страница 6: ...2 3 5 Change application 32 3 6 Set zero point 33 3 7 Change gas type 35 3 8 Changing the settings on the device 36 3 9 Concentration dependent signal structure 37 3 10 Leak test when using probes 38...

Страница 7: ...6 4 7 7 Performing a bump test ECO device inspection 61 6 4 7 8 Save the device inspection 61 6 4 8 Measuring response time 62 6 5 Adjustment 62 6 5 1 Frequency 62 6 5 2 Features 62 6 5 3 Presentation...

Страница 8: ...ases 94 9 3 1 Preset test gases 94 9 3 2 Setting ranges 96 9 4 Alarms 97 9 4 1 Features 97 9 4 2 Setting ranges 99 9 4 2 1 Alarms AL1 AL2 100 9 4 2 2 LEL end of measuring range 100 9 4 3 Alarm thresho...

Страница 9: ...ribed with all device features Not all of the functions described may be available on the product you are using Please contact the SEWERIN sales department for further information Contradictory nation...

Страница 10: ...or the following uses professional industrial commercial The product must only be used for the applications specified in section 1 2 The gases that can be measured with the product depend on the produ...

Страница 11: ...product only as intended Do not make any changes or modifications to the product unless these have been expressly approved by Hermann Sewerin GmbH Only use accessories and consumables approved by Her...

Страница 12: ...eplaced by SEWERIN Service when their ser vice life has expired SEWERIN recommends Perform a device inspection when the device has been exposed to gas concentrations above the end of measuring range S...

Страница 13: ...are experienced users and therefore have sufficient knowledge of the use of gas concentration measuring devices Specialists are permitted to perform device inspections and adjustments They can evalua...

Страница 14: ...ort PM 500 Ex TEC PM 400 for short PM 400 Each product variant has certain basic device features as stand ard In addition there are different device features for each prod uct variant The built in sen...

Страница 15: ...C2 H2 o Hydrogen H2 o JFuel o as standard o optional not possible The gases that can actually be measured with a device depend on the device features with optional sensors and on the gas types for wh...

Страница 16: ...rations warning of lack of oxygen excessive oxygen warning of explosive gas concentrations Measuring demonstrating gas purity absence of gas in gas pipes Structure measuring very small gas concentrati...

Страница 17: ...9 H20 C2 H2 H2 JFuel EC CO o o o o O2 o o o o H2 S o o o as standard o optional not possible When charging the device shows which optional sensors are included Fig 46 Operating principles of the senso...

Страница 18: ...s and catalytic combustion sensors These sensors are sensitive to external influences Oxygen deficient atmospheres can reduce the sensitivity of the sensor sensor suffocation Gaseous components of sil...

Страница 19: ...JFuel o as standard o optional not possible The gas types can be set up when the device is purchased subsequently using GasCom software1 You can switch between all gas types for which a device is set...

Страница 20: ...ger Immediately take all necessary measures for your own safety and the safety of others The concrete measures depend on the situation In the event of a pre alarm AL1 it may be sufficient to ventilate...

Страница 21: ...e visual signal 2 3 4 Display illumination The display has a backlight When the device is switched on the display will automatically switch on when any key is pressed The period of illumination can be...

Страница 22: ...arly Information on the fre quency and procedure for changing can be found in section 3 11 2 3 6 Belt clip and short probe The device comes with a belt clip and the PM 5 short probe The short probe is...

Страница 23: ...tion the leak tightness of the gas path must be checked regularly section 3 10 2 5 Measuring mode and menu After the device has been started it is automatically in measur ing mode In measuring mode th...

Страница 24: ...reshold Device inspection Warning ECO Device condition Pump Zero point Bump test Save Warning Device condition Pump Measuring Zero point Indication accuracy Structure Save Protocols Recordings Device...

Страница 25: ...it The device is supplied set to the LEL unit The unit can be changed using the GasCom software Fig 8 Warning application measurement value of flammable gas here CH4 with different units Left image Un...

Страница 26: ...splay This allows the user to check the following device functions Buzzer Is the audible signal working Signal light Is the visual signal working Display Can incorrect pixels be seen in the inverse di...

Страница 27: ...uding their measuring ranges and the alarm thresholds are displayed Fig 11 The information is generally spread over several display views The device switches to measuring mode The sensors are warmed u...

Страница 28: ...sCom software Fig 10 Display of the device inspections that are due and the inspection that is due Only displayed if the guided device inspection is activated and a device inspection or inspection is...

Страница 29: ...ure when changing the disposable batteries rechargeable batteries Once the batteries have been changed the battery type and if necessary the date and time must be reset The settings are made before th...

Страница 30: ...ds itself or what action is required The display offers the following orientation tools Information area Status bar Messages Information area The information area is at the left edge of the display Th...

Страница 31: ...rmation about the current situation here Remaining capacity Device inspection due Recording Messages To a large extent the messages cover the information underneath them Messages contain texts explain...

Страница 32: ...back a menu level Cancel Changing from measuring mode to measuring menu to a submenu level Acknowledge a selected menu item a message Use a value Trigger an action e g start recording stop recording S...

Страница 33: ...where there is no toxic or low oxygen atmosphere Switch to the menu The device is in measuring mode Press the Menu key The device switches to the top menu level Switch to the measuring menu The device...

Страница 34: ...Menu key The action or a process is cancelled The device switches back one menu level 2 Repeat the procedure as often as necessary 3 3 4 Scrolling If lists information etc are so large that they canno...

Страница 35: ...the selection of values 1 Using the arrow keys select the desired value 2 Press the Enter key The value is applied 3 Repeat the selection for all fields Once the last value has been applied the device...

Страница 36: ...performed or not performed 3 3 7 Lists view detailed information Protocols and information are stored in lists The relevant de tailed information can be displayed for each entry in a list The display...

Страница 37: ...he entry can be a maximum of 20 characters long To write a comment characters from a sequence of preset char acters are selected Fig 21 Write comments using character selection horizontal string with...

Страница 38: ...e to the left Symbol Actions Use the entire comment The comment will be saved together with the recording Cancel the character entry The device returns to the list of comments Insert a character in fr...

Страница 39: ...de The recording is running Fig 23 Measuring mode here Warning application On the left status bar Recording symbol while record ing is running 3 4 2 Stop recording and save without a comment The devic...

Страница 40: ...irm the prompt by pressing OK The list of comments will appear Fig 20 6 Write a comment Information about writing comments can be found in sec tion 3 3 8 7 Load the comment To do so select the Confirm...

Страница 41: ...pecifications but at least daily before each work shift Requirement for changing the application The device is drawing in clean air The device is in measuring mode 1 Press the Menu key 2 Use the arrow...

Страница 42: ...2 0 04 vol 0 04 vol O2 20 9 vol 20 9 vol CO 0 ppm 0 ppm H2 S 0 0 ppm 0 0 ppm Requirements for setting the zero point The device is switched on in clean air The device is drawing in clean air The senso...

Страница 43: ...splayed in the 2nd line here CH4 Right image List of the available gas types Note If the Device inspection due symbol appears in the status bar after the gas type has been changed this must be perform...

Страница 44: ...asuring mode As soon as you switch from measuring mode to the menu no alarms are triggered Adjust settings only in environments where there is no risk of explosion and where there is no toxic or low o...

Страница 45: ...off Note The operating signal is not required during the concentration de pendent signal When the concentration dependent signal is triggered the device emits both a visual and an audible signal The...

Страница 46: ...ust be unscrewed and the filter removed If the filter does not exhibit any visible contamination it can be reinserted after the test The original orientation must be maintained Floating probe The test...

Страница 47: ...ematic representation from top to bottom Filter fastener with 2 O rings Dust filter O ring Hydrophobic filter The filter fastener has lugs of two different widths It is a close fit in the filter openi...

Страница 48: ...f the filters more precisely the filter fas tener must be unscrewed Note Once a hydrophobic filter has been taken out it must not be re placed Recommended tools Coin for turning the filter fastener Tw...

Страница 49: ...a new dust filter Press the filter gently into the filter fastener 4 Within filter opening Replace the hydrophobic filter a Remove the O ring above the filter taking care not to dam age it b Remove th...

Страница 50: ...current settings of the device are read out automatically and saved in the software Settings made using software must be transferred to the de vice 4 2 Settings using the GasCom software Most settings...

Страница 51: ...e of charge from www sewerin com 4 3 Settings on the device The following settings and actions can be performed on the de vice Adjustment Restore Date time PPM threshold only for the Structure applica...

Страница 52: ...olds Application and gas type after switching on PIN code The settings to be restored cannot be reset individually All of the above settings will be reset together When the Restore menu item is select...

Страница 53: ...devices can be compared with each other The date and time of the device are set in two separate menu items Date day month year Time time of day 4 3 5 PPM threshold The threshold value can be set for t...

Страница 54: ...ormation about a protocol is generally spread over several display views Scroll using the arrow keys to view the complete information Protocols of recordings The protocols of the recordings are listed...

Страница 55: ...descending order of date The device inspection result is displayed for each entry The protocol of a device inspection includes Application symbol Overall result symbol Save date Inspector Results of...

Страница 56: ...s of the applications Note The information is generally spread over several display views Scroll using the arrow keys to view the complete information Information about the device The following inform...

Страница 57: ...35 Information error list Information about test gases The information about test gases lists the available test gases The detailed information about a test gas shows the composition Fig 36 Informati...

Страница 58: ...gle application here Warning application gas CO2 Note Information about the application is different from other informa tion as follows The information will appear automatically for the preset appli c...

Страница 59: ...38 Maintenance activities The frequency and performers of the individual activities vary For detailed information refer to the following sections All maintenance activities must be documented In acco...

Страница 60: ...listed specifications The test gases that are not preset must be set up by the user by means of the GasCom software The test gas specifications are available on request 6 2 2 Available test gases Ava...

Страница 61: ...hoses used with the device must also be visually inspected for each device inspection 3 Note In addition to the device inspection the response time must be measured and documented regularly 6 4 1 Ways...

Страница 62: ...robe hoses is not explicitly part of the guided device inspection This visual inspection must therefore also be performed 6 4 2 Frequency and due date Device inspection The frequency of device inspect...

Страница 63: ...ded device inspection can be performed in two variants The variants differ in whether the indication accuracy is tested and whether a bump test is performed Device inspection Standard device inspectio...

Страница 64: ...ely for each application Device inspections can be saved The device automatically remembers successful subtests for use in subsequent device inspections The requirements for this are The device inspec...

Страница 65: ...Check whether the display is working and whether alarms are triggered Test gas is supplied for this purpose 6 4 5 Presentation of results The results of subtests and the overall results of a device in...

Страница 66: ...an air The device continues to draw in clean air after it is switched on The sensors are warmed up The necessary accessories are available The intended test gas is suitable for the gas to be tested Th...

Страница 67: ...sual signal visible c Device condition Housing OK Is the housing free from external damage The device condition check is now complete The device switches back one menu level 6 4 7 4 Testing the pump A...

Страница 68: ...device inspection 1 Select Indication accuracy 2 Select a test gas from the list 3 If the following message appears Add test gas Add the test gas To do so connect the test gas hose of the SPE AutoFlo...

Страница 69: ...t gas hose from the gas inlet 6 When the bump test is complete an overview of the tested gases will appear The device returns to the test gas selection 7 If necessary Repeat the bump test for other ga...

Страница 70: ...and the corresponding gases are set by means of adjustment To this end the zero point is adjusted successively and then the sensitivity to the reference values 6 5 1 Frequency It is mandatory to perfo...

Страница 71: ...lly apply adjusted gases for other applications or test gases The requirement for this is The adjustment was performed on the same day Failed adjustments are saved in the error list 6 5 3 Presentation...

Страница 72: ...ication 6 5 5 Performing an adjustment A WARNING Risk to life due to incorrect adjustment The incorrectly adjusted devices may fail to warn users in time of dangerous gas concentrations Perform the ad...

Страница 73: ...he gas input 9 Wait while the following message is visible Use clean air Process ongoing 10 When the zero point adjustment is complete an overview will appear Fig 44 left image The adjustment will con...

Страница 74: ...ir Process ongoing 9 When the zero point adjustment is complete an overview will appear Fig 44 left image The adjustment will continue automatically 10 If the following message appears Add test gas Ad...

Страница 75: ...djustment is complete an overview will appear Fig 44 left image 11 The adjustment will continue automatically If the following message appears Add test gas via conditioner Add the test gas provided To...

Страница 76: ...The device must be serviced once a year Send the device to SEWERIN Service for servicing If there is a service contract the device can be serviced by the mobile service An inspection sticker on the d...

Страница 77: ...in the battery holder Battery pack rechargeable When the battery pack is used the battery holder is not required Whether the device is fitted with a battery holder or with a battery pack can be distin...

Страница 78: ...atteries other than those supplied by SEWERIN only if they comply with the specifications below Disposable batteries and rechargeable batteries The following battery types are approved for use with th...

Страница 79: ...sh The charging mode is characterised by intelligent charging man agement The device detects the current charge level of the re chargeable batteries and responds to this for example Once the rechargea...

Страница 80: ...s occur when batteries are being charged Only ever charge the device outside of explosive areas 7 3 1 2 Charging the batteries Note Observe the specified charging temperatures At temperatures outside...

Страница 81: ...the disposable rechargeable batteries falls below a certain level then the device will issue two levels of warnings 1st level Message Batteries almost exhausted Warnings visual the Remaining capacity...

Страница 82: ...battery holder is replaced Fig 47 Battery compartment on the underside of the device The battery compartment is on the underside of the device To open the battery compartment you will need a hexagon k...

Страница 83: ...hen the device is next switched on The options are Disposable batt Disposable battery alkaline Recharg batt Rechargeable battery NiMH If it takes longer than 120 seconds to change the recharge able re...

Страница 84: ...10 Adjustment error Check test gas Otherwise sensor faulty 11 Zero point not OK Adjust device 52 Memory error XFlash Contact SEWERIN Service 59 Voltage error Contact SEWERIN Service Check that the te...

Страница 85: ...device or device itself Warning Corrective action Battery almost flat Change or charge batteries Battery flat 1 Where applicable leave the danger area 2 Change or charge batteries Zero point not set 1...

Страница 86: ...ff the filter fastener 4 Tip the water out of the filter opening 5 Thoroughly dry the filter opening with an absorbent cloth lint free if possible Alternatively you can also use a cleansing tissue or...

Страница 87: ...The sensors are not yet sufficiently warmed up Corrective action 1 Wait until the sensors have warmed up 2 Then try again to set the zero point Zero point not set Cause The ambient air is not clean Co...

Страница 88: ...elt clip Material housing polycarbonate thermoplastic polyure thane Certificates Certificate EU type approval certificate T V 17 ATEX 171969 X IECEx IECEx TUN 17 0027 X Warning application gas types C...

Страница 89: ...ntrol membrane keypad Sensors PM 580 550 500 IR for flammable gases CH4 C3 H8 Optional IR for CO2 EC for O2 CO H2 S PM 580 plus SC for flammable gases CH4 C3 H8 PM 400 CC for flammable gases CH4 C3 H8...

Страница 90: ...d application PM 580 550 500 Warning application 16 h PM 580 550 Measuring application 11 h PM 580 Structure application 8 h PM 400 Warning application 11 h PM 400 with IR for CO2 Warning application...

Страница 91: ...2 vol Response times CH4 t50 13 s t90 25 s C3 H8 t50 15 s t90 28 s Warm up time 120 s Temperature range 20 40 C Measuring error to EN 60079 29 1 CH4 1 LEL short term stability 2 UEG long term stabilit...

Страница 92: ...ng short term 0 r h Lifetime 24 months 60 months expected Test gases zero point clean air CH4 100 vol C3 H8 100 vol setting ranges CH4 50 100 vol C3 H8 50 100 vol Methane CH4 Structure application Typ...

Страница 93: ...CO2 Warning application Type infrared sensor IR Use PM 580 550 500 400 Measuring range 0 5 00 vol Resolution 0 02 vol Response times t50 13 s t90 25 s Warm up time 120 s Temperature range 20 40 C Meas...

Страница 94: ...e extended by up to 4 s as additional volume must be passed through test gas hose conditioner Warm up time 120 s Temperature range 20 40 C Measuring error For measurement values 100 ppm under the same...

Страница 95: ...L or 0 02 vol Response times CH4 t50 7 s t90 13 s C3 H8 t50 7 s t90 13 s C9 H20 t50 23 s t90 3 min C2 H2 t50 6 s t90 10 s H2 t50 6 s t90 11 s JFuel t50 15 s t90 60 s Warm up time 120 s Temperature ran...

Страница 96: ...th air C2 H2 1 00 vol in synth air H2 2 00 vol in synth air JFuel 0 32 vol in synth air substitute test gas 0 30 vol C3 H8 in synth air setting ranges CH4 1 00 3 50 vol C3 H8 0 50 1 30 vol C9 H20 0 20...

Страница 97: ...up time 2 min Stabilisation time 90 s Temperature range 20 40 C Drift 3 within 3 months Interference none Humidity 5 95 r h non condensing short term 0 r h Lifetime 24 months 60 months expected Test...

Страница 98: ...y to EN 45544 Drift 10 within 6 months Zero point deviation 7 ppm Interference at 20 C 400 ppm H2 70 ppm 20 ppm H2 S 0 1 ppm 100 ppm C2 H2 200 ppm 400 ppm C2 H4 100 ppm 100 ppm NO 50 ppm Humidity 5 95...

Страница 99: ...nths Zero point deviation 1 ppm Interference at 25 C 400 ppm H2 1 ppm H2 S 400 ppm CO 1 5 ppm H2 S 100 ppm C2 H2 2 ppm H2 S 400 ppm C2 H4 0 1 ppm H2 S 50 ppm NO 12 ppm H2 S 10 ppm NO2 25 ppm H2 S Humi...

Страница 100: ...rm stability to EN 45544 Drift 10 within 6 months Interference at 20 C 400 ppm H2 55 ppm CO 1 ppm H2 S 400 ppm CO 2 ppm H2 S 20 ppm H2 S 8 ppm CO 100 ppm C2 H2 200 ppm CO 2 ppm H2 S 50 ppm NO 50 ppm C...

Страница 101: ...0 300 ppm 0 300 ppm O2 0 25 0 vol 0 25 0 vol H2 S 0 100 ppm Display up to 100 vol Condition at delivery Other settings possible section 9 4 2 2 PM 550 Sensor Gas gas type Warning Measuring Structure I...

Страница 102: ...LEL EC CO 0 300 ppm O2 0 25 0 vol 9 3 Test gases 9 3 1 Preset test gases PM 580 Test gas Gas CH 4 C 3 H 8 C 9 H 20 CO 2 O 2 CO H 2 S C 2 H 2 H 2 JFuel CH4 100 vol CH4 1 000 ppm C3 H8 100 vol C3 H8 0...

Страница 103: ...Test gas Gas CH 4 C 3 H 8 C 9 H 20 CO 2 O 2 CO H 2 S C 2 H 2 H 2 JFuel C3 H8 0 30 vol ExTox IR Devices that are set up for gas type CH4 alone show the test gas CH4 2 20 vol instead of the test gas ExT...

Страница 104: ...50 1 80 1 00 0 01 H2 vol 4 00 1 00 3 20 2 00 0 01 JFuel vol 0 70 0 20 0 50 0 32 0 01 Condition at delivery Other settings possible section 9 4 2 2 Substitute test gas 0 21 vol C9 H20 is equivalent to...

Страница 105: ...ate for alarms is max 1 second AL1 Pre alarm Adjustable Yes Latching No Exception For oxygen AL1 is self latching Trigger When alarm threshold AL1 is exceeded Exception In the case of oxygen the alarm...

Страница 106: ...must also be acknowledged or have already been acknowledged by switching off the device AL3 End of measuring range Adjustable No Latching Yes Trigger When the alarm threshold AL3 is reached Indicator...

Страница 107: ...ce LTEL Main alarm Long Time Exposure Limit Adjustable Yes Latching Yes Trigger The sum of the concentrations of a gas is greater than the Occupational Exposure Limit over the averaging time Indicator...

Страница 108: ...7 LEL 50 LEL 8 LEL 60 LEL Increment 1 LEL 9 4 2 2 LEL end of measuring range Gas LEL Condition at delivery MIN MAX CH4 4 40 vol 4 00 vol 5 00 vol C3 H8 1 70 vol 1 50 vol 2 10 vol C9 H20 0 70 vol C2 H2...

Страница 109: ...4 ppm H2 S 0 ppm 3 ppm 40 ppm 4 ppm C2 H2 0 00 vol 0 15 vol 1 00 vol 0 10 vol H2 0 00 vol 0 15 vol 2 00 vol 0 20 vol JFuel 0 00 vol 0 05 vol 0 32 vol 0 06 vol 9 6 Explosion protection 9 6 1 Passive ex...

Страница 110: ...to 7 Measuring range Oxygen O2 0 25 O2 Accessories in general Test set SPE AutoFlow PM 5 short probe Accessories for methane CH4 propane C3 H8 Flexible hand probe with probe hose HG 1 m Floating probe...

Страница 111: ...2 H2 hydrogen H2 JFuel Software GasCom 9 7 Device identification Fig 48 Label on the back of the device here PM 580 The device is marked in accordance with the statutory regula tions The label on the...

Страница 112: ...protection logos Follow the operating instructions Do not dispose of device in domestic waste 9 8 Symbols on the display Applications Warning Measuring Structure Alarms AL1 Pre alarm AL2 Main alarm A...

Страница 113: ...9 Appendix 105 Actions Confirm Cancel Actions when writing comments Confirm apply Cancel Insert Delete Messages Warning Errors Question Information Wait Device switches off...

Страница 114: ...ng Start recording Stop recording Set zero point Information about the application Comment Write Remaining capacity disposable rechargeable battery Settings Language PIN code Settings Adjustment Resto...

Страница 115: ...vice inspection due Warning ECO device inspection in Warning applica tion in ECO variant Device condition Pump Zero point Indication accuracy Bump test Save Gas type Gas type Protocols Protocols Recor...

Страница 116: ...ype Next servicing Sensor Installation date Sensor Lifetime Charging mode and data exchange with the computer Docking station connected to computer Battery is being charged Battery fully charged Batte...

Страница 117: ...e M4 12 V installed ZL07 10000 Vehicle cable M4 24 V portable ZL09 10000 Flexible probe HG5 ZS44 10000 Flexible hand probe ZS32 10000 Probe hose HG 1 m ZZ27 10000 Probe hose HG 1 m nonane ZZ27 10100 P...

Страница 118: ...0001 Test gas 1 0 vol C3 H8 ZT11 10001 Test gas 100 vol C3 H8 ZT22 10001 Test gas ExTox IR ZT47 10000 Test gas ExTox CAT ZT32 10000 Test gas can 1 ltr pressure approx 12 bar Test gas can 1 ltr pressur...

Страница 119: ...ining silicone can penetrate into the device and damage the sensors Never use solvents petrol cockpit sprays containing silicone or similar substances to clean the device 9 11 Advice on disposal The E...

Страница 120: ...an Social Accident Insurance Institution for the raw materials and chemical industry Code of Practice T 023 DGUV Information 213 057 Gas Warning Devices for Explosion Protection Use and Operation 3 DV...

Страница 121: ...ne 9 14 Abbreviations vol Percentage of a gas in a gas mixture based on the volume AL Alarm AL1 AL2 AL3 CC Catalytic combustion sensor catalytic sensor CENELEC European Committee for Electrotechnical...

Страница 122: ...t gas type during operation you can switch between the gas types that are set up Inspection Event for which the user can be reminded the device The user decides individually which event with which the...

Страница 123: ...utes Stabilisation time Time required by an oxygen sensor to produce no major de viations of more than 1 of the measuring range across 3 consecutive readings read at intervals of 2 minutes Source base...

Страница 124: ...1 Charging mode 71 Competent person 5 Concentration conversion 17 selectable units 17 Concentration dependent signal 37 45 D Date 45 Device identification 103 information 48 switching off 21 switching...

Страница 125: ...t menu 15 Measurement ranges 93 Measuring mode 15 Menu 15 Menu structure 16 Messages 23 N Navigating 22 O Operating signal 13 P PIN code 27 43 Power supply 69 PPM threshold 45 Probe additional 14 chec...

Страница 126: ...n alarm 12 operating signal 13 switch off audible signal 37 switch on audible signal 37 Specialist 5 Standard device inspection 55 Start images 20 Status bar 22 Symbols display 104 rear of the device...

Страница 127: ...senhower Avenida Sur del Aeropuerto de Barajas 28 Planta 2 28042 Madrid Espa a Tel 34 91 74807 57 Fax 34 91 74807 58 www sewerin com info sewerin es Sewerin Portugal Lda Rua Sr Dos Milagres 16 2 Esq 3...

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