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2

– Installation and Connections

19

Chapter 2

| Installation and

Connections

Power supply

General Information

Power  is  supplied  to  the  gas  monitor  through  an  interchangeable  and  rechargeable
battery  pack  (NiMH  7.2  V  /  9  Ah).  Under  normal  usage  conditions  and  no  radio
communication,  the  battery  life  ranges  from  40  to  170  hours  depending  on  the
configuration (100 hours under typical configuration: diffusion mode with 1 catalytic or 1
infrared  sensor  and  2  electrochemical  sensors).  For  the  wireless  version,  the  battery
life ranges from 35 to 135 hours (65 hours under standard configuration).

The gas monitor is approved for use in explosive atmosphere only when it
is equipped with the battery pack type recommended by the manufacturer.
Before changing the battery pack, make sure the instrument is off.

Charging the batteries

Charger for vehicle (12 to 30 VDC) or 110/230 VAC universal charger

Insert the male connector (Figure 10, ref. 1) from the charger (ref. 3) into the
corresponding charging port and identified with a red ring (ref. 2) on the BM 25/25W.
Connect the other end of the power supply (ref. 4) to the power source. Charging time
is 4.5 hours with the 110/230 VAC universal charger.

Charging the BM 25/25W with the truck-charger or the universal charger
shall be done in non-classified area only.

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Содержание BM25

Страница 1: ...BM 25 25W Area Gas Monitor Part Number NPB25EN Version L 2 User Manual ...

Страница 2: ...ithout the written permission of Oldham S A S is forbidden The information contained in this manual is accurate to our knowledge As a result of continuous research and development the specifications of this product may be modified at any time without prior notice Oldham S A S Rue Orfila Z I Est CS 20417 62027 ARRAS Cedex Tel 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 ...

Страница 3: ...ions 19 Power supply 19 Charging the batteries 19 Alarm Transfer 21 Connection of a manual call point 22 Chapter 3 Operation 23 Start up 23 Gas monitor positioning 24 Diffusion mode 24 Aspirated mode with pump option 25 Measurements 27 Alarms 29 Data transfer 32 Switching off the instrument 33 Chapter 4 Wireless Version 35 Overview 35 Start up 39 Self healing 42 Mac list menu 45 Chapter 5 Maintena...

Страница 4: ...ic inputs 57 Screen menu 58 Chapter 7 Technical Specifications 59 Gas monitor 59 Sensors 61 Chapter 8 Accessories and Spare Parts 67 Accessories 67 Spare Parts 68 Chapter 9 Special Instructions for use in explosive atmospheres or hazardous locations 71 ATEX areas and general rules 72 Input output parameters 72 Trickle charging connection external power source 73 Connectors wiring diagram 73 ATEX a...

Страница 5: ...port or authorize any business person or legal entity in assuming responsibility on behalf of OLDHAM even though they may be involved in the sale of OLDHAM products OLDHAM shall not be responsible for any damage direct or indirect or for damages and interest direct or indirect resulting from the sale and use of any of its products UNLESS SUCH PRODUCTS HAVE BEEN DEFINED AND CHOSEN BY OLDHAM FOR THE...

Страница 6: ... to be lower than actual concentrations Oxygen enriched atmospheres may cause combustible gas readings to be higher than actual concentrations Verify the calibration of the combustible gas sensor after any incident where the combustible gas content has caused the instrument to display an over range condition Silicone compound vapors or other known contaminants may affect the combustible gas sensor...

Страница 7: ...is device must accept any interference received including interference that may cause undesired operation BM 25 25W complies with FCC Maximum Permissible Exposure MPE requirements when used with an approved antenna and the antenna is at least 20cm away from the user Use of the product closer than 20cm may exceed the MPE limits Use of any antenna other than approved antennas will invalidate the cer...

Страница 8: ...8 BM 25 25W Instruction Manual ...

Страница 9: ...5W is a portable gas monitor that can be used in explosive gas atmospheres It provides simultaneous detection of up to five gases present in the air by means of sensors specific to each risk to be evaluated under oxygenation presence of combustible or toxic gases Figure 1 ...

Страница 10: ...10 BM 25 25W Instruction Manual Product Overview Figure 2 Product Overview ...

Страница 11: ... and faults Low Alarm two tone slow 1 Hz High Alarm two tone rapid 2 Hz Alarm Transfer two tone very slow 0 5 Hz Fault mono tone continuous 0 Hz 29 4 Charging port connection red ring 19 5 Trickle charge port connection black ring 20 6 Alarm acknowledgement and Menu key 7 Backlight Menu key 8 On Off Enter key 23 9 LCD display 16 10 Gas sensors 15 11 Infrared port connection 51 12 Relay outputs bla...

Страница 12: ...ersions 25 2 Calibration cup for use with manual sampling system or for sensors calibration 26 3 Intrinsically Safe Trickle Charge Kit provided with cables 20 4 Calibration Sample tubing 5 Communication Adaptor 51 6 Universal charger 110 230 VAC 19 7 Cable for IS power supply see 3 8 Cable for alarm transfer 25 50 or 100 meters 21 Optional ...

Страница 13: ... their protective cap See details on pages 19 Figure 4 local charging port Trickle charge port connection black ring Only for connection to the intrinsically safe certified trickle charger Pin 1 V trickle charge Pin 2 V trickle charge Pin 3 V trickle charge Pin 4 V trickle charge Pins 1 3 and 2 4 are connected in parallel Unused connectors must be equipped with their protective cap See details on ...

Страница 14: ...c input for alarm acknowledgement Pin 7 common ground Unused connectors must be equipped with their protective cap See details on pages 22 and 57 Intrinsic safety parameters Alarm relay output dry relay contact Ui 30 V Ii 150 mA no L or C condition Power supply for trickle charging Ui 30 V Ii 160 mA no L or C condition Dry logic input Uo 5 V Io 50 mA Lo 8 mH Co 7 µF Figure 7 dry logic inputs The p...

Страница 15: ...pan reserve is updated after each calibration and allows the user to gage the optimal time for changing the sensor Sensors must be positioned as indicated in the table above Figure 8 sensors configuration Ref Description 1 Combustible gas sensor 0 to 100 LEL 2 Mini sensors for toxic gases or the 1 year O2 sensor 3 Mini sensors for toxic gases or the 1 year O2 sensor 4 Medium sensors for O2 2 year ...

Страница 16: ...play with backlit Figure 2 ref 9 It automatically illuminates when an alarm or a fault occurs It can be rotated by 180 using COM2100 Figure 9 LCD display The following information is displayed Up to 5 gas measurements along with gas names and units Maintenance call for calibration Date and time Minimum and maximum values peak measured STEL short term exposure limit and TWA time weighted average va...

Страница 17: ... and alerts the user in the event of an alarm Audible alarm Two powerful speakers 103 dB at 1 meter located on each side of the BM 25 25W Figure 2 ref 3 alert the user in the event of an alarm Sampling system The gas monitor can be equipped with an internal electric pump or an external manual aspirator for confined space monitoring ...

Страница 18: ...18 BM 25 25W Instruction Manual ...

Страница 19: ...s 65 hours under standard configuration The gas monitor is approved for use in explosive atmosphere only when it is equipped with the battery pack type recommended by the manufacturer Before changing the battery pack make sure the instrument is off Charging the batteries Charger for vehicle 12 to 30 VDC or 110 230 VAC universal charger Insert the male connector Figure 10 ref 1 from the charger ref...

Страница 20: ...m cable length of 500 meters AWG 16 1 5mm Trickle chargers are available with 25 50 or 100 meters of cable The dual charging kits are intended for use with BM 25 25W monitors equipped with two high current draw sensors catalytic infrared PID or when the pump is continuously running Only intrinsically safe power supplies provided by OLDHAM can be used Insert the male connector Figure 11 ref 6 from ...

Страница 21: ...s to instruments This configuration is particularly useful for perimeter monitoring For example it may be used to monitor a fence by connecting the BM 25s on a daisy chain or to monitor a tank by connecting the units in loop Refer to the Connections paragraph on page 14 for the wiring of the dry logic input or the alarm relay output The input and output can be configured using the COM 2100 softwar...

Страница 22: ...o fire the local audible and visible alarm in order to alert of an immediate danger fire man down evacuation etc When the BM 25 is in wireless mode or wired to another BM 25 25W the local alarm is reported to the other instruments Alarm Transfer Figure 12 Push button connection Example Refer to COM 2100 software chapter on page 57 for more details ...

Страница 23: ...measurement channel Continue to paragraph Test Routine and Calibration Overdue on page 24 Note During normal operation the BM 25 25W flashes every 2 minutes to indicate that it operates correctly This confidence flash can be canceled and the frequency can be changed using the COM 2100 software see page 51 Figure 13 start up in standard mode by pressing the Enter button Selection of the flammable g...

Страница 24: ...rm your choice The BM 25 25W starts another test routine Once the test is complete the selected gas is now the reference gas Test Routine and Calibration Overdue During warm up the BM 25 25W performs a self test and then starts gas measurement If the test is not completed successfully the BM 25 25W goes into fault mode continuous audible and visual signal When the calibration date for a sensor is ...

Страница 25: ...egion of 20 is possible In addition whereas the pump can sample quickly and accurately with up to 30 meters of sample line the hand aspirator must only be used with up to 10 meters of sample line and the sample time is extended The sample line must be intact and the proper flow established Using an electric pump The internal pump is powered by the gas monitor s battery and starts automatically whe...

Страница 26: ...ith an electric pump Place and screw the cover over the sensors Figure 16 positioning the sensors cover BM 25 25W non equipped with an electric pump ref 1 this cover has no hump as previously mentioned ref 4 Connect the sample line ref 2 to the gas inlet ref 3 Wait for the measurements to stabilize before recording them if measurements are recorded too soon they may be over estimated combustible g...

Страница 27: ... status when applied are displayed see page 35 Figure 17 on the left side 4 gas monitor with no radio communication On the right side 3 gas monitor with radio ON Combustible gas concentration measurements can be affected by high or low oxygen concentrations Any reading rapidly changing from too high exceeding 100 LEL to too low can in fact indicate a hazardous gas level higher than the measurement...

Страница 28: ...ssword protected To enter the maintenance menu enter the 4 digit code using the and buttons Press the button to return to normal operation Roundsman function If the Roundsman function has been activated a list of names can be programmed using COM 2100 software This list can be viewed at any time by using the front keys on the device To select a location or a user follow these steps Press the butto...

Страница 29: ...tor will fire its audible and visual indicators at different frequencies depending on the alarm type Low Gas Alarm Alarm 1 two tone slow 1 Hz High Gas Alarm Alarm 2 two tone fast 2 Hz Alarm Transfer repeated alarm two tone very slow 0 5 Hz Fault mono tone continuous 0 Hz The display will also indicate the alarm message s ALARM 1 ALARM 2 AL TRANSFER STEL TWA mini etc as well as the gas measurement ...

Страница 30: ...l operating the audible signal can be silenced Battery fault detection is no longer guaranteed The audible signal cannot be silenced 100 LEL Over Range Flammable Gas Alarm Function Applies to the combustible channel only In this case Value on display is frozen Continuous audible signal cannot be silenced Visual flashlight is steady and cannot be turned off Combustible sensor LEL is powered down to...

Страница 31: ...alarms from instruments to instruments This configuration is particularly useful for perimeter monitoring For example it may be used to monitor a fence by connecting the BM 25s on a daisy chain or to monitor a tank by connecting the units in loop The input and output can be configured using the COM 2100 software see page 57 Figure 18 connection between two monitors ...

Страница 32: ...e data can later be downloaded to a Personal Computer thanks to COM 2100 software Stored data Once turned on the BM 25 25W records data in time stamped frames The monitor creates a new frame every time it starts up and every 24 hours A frame contains Channels Information Readings for each sensor at a defined recording interval configurable Event logs for each channel Alarm Fault Alarm Reset Mainte...

Страница 33: ...f press the Enter button ref 1 located on the front plate for 3 seconds The instrument display starts a countdown from 3 to 1 before it asks to confirm Release the Enter button ref 1 and press again to switch the BM 25 25W off Figure 19 switch off by pressing Enter button ...

Страница 34: ...34 BM 25 25W Instruction Manual ...

Страница 35: ...hed on the same network and up to 16 networks can coexist with no interference The network topology used by the BM 25W is a MESH network In a mesh network all hosts are connected peer to peer without central hierarchy thereby forming a net like structure Consequently each node can receive send and relay data This avoids having sensitive points which in case of failure cut the connection of the net...

Страница 36: ...larm transfer This allows for quick identification of the BM 25W in alarm condition so that the appropriate action can be taken Although there is no hierarchy in a mesh network the unit in alarm and the unit reporting the alarm are referred to later in the manual as main and secondary BM 25W respectively Main BM 25W Secondary BM 25W Case Cause Flash Siren Flash Siren 1 Fault no communication at al...

Страница 37: ...s BM 25W would pass from secondary to main status and would sound at 1 or 2 Hz depending on the alarm level being reached The secondary BM 25Ws would not immediately reactivate the local siren Figure 22 Secondary BM 25W reporting an Alarm Transfer condition Fault Transfert In the event one BM 25W goes into fault condition secondary BM 25Ws will display on their LCD screen the message Def Transfert...

Страница 38: ...he controller and the rest of the network If communication between BM 25W F and MX 40 fails then BM 25W E continues to provide communication between the BM 25W network and the controller If BM 25W A goes into gas alarm or fault condition then MX 40 receives information and passes the gas alarm on all others BM 25Ws The alarm sequence differs depending on whether a BM 25W sends information gas alar...

Страница 39: ...he radio function Select BM 25 or Controller according to the chosen operation mode see above Figure 25 Wireless mode screenshots In BM 25 mode only the network ID Channel must be set between 0 and 15 Address number Slv Number is not editable and is set to XXX In this mode it is not necessary to assign an address as the network is automatically built in by using the MAC addresses of each device In...

Страница 40: ...eafter in normal operation each BM 25W sends its information over the network every ten seconds If a BM 25W goes into gas alarm or fault condition then the information is immediately sent without waiting ten seconds In BM 25 mode the number of BM 25Ws that are communicating on the network is shown at the bottom of the display screen example 4 shown below Figure 27a BM 25 mode Four BM 25Ws communic...

Страница 41: ...ging to the same network To add a new BM 25W to an existing network simply turn the unit on activate the radio communication and if applicable set the network ID In MODBUS mode you must set the address number Slv Nb set the network ID Channel and configure if applicable a new input on the controller Removing a BM 25W from an existing network In BM 25 mode turn the unit off or deactivate the radio ...

Страница 42: ...ag B can act the same if it receives no information from A Number of BM 25Ws that do not communicate anymore is displayed on each BM 25W referring a communication fault This number may differ depending on the BM 25W you are looking Here below one BM 25W out of four is no longer communicating Figure 28 One BM 25W out of four does not communicate In case of communication failure the network tries to...

Страница 43: ...y a BM 25W should always communicate with at least two neighbors Figure 29 group concept read details below A long press on the acquit button forces the system to a new identification of the nodes present on the network BM 25Ws that do no communicate are ignored without triggering a fault condition In the example above the communication between D and E is down A long press on the acquit button of ...

Страница 44: ...3 seconds The display successively shows 3 2 1 then confirm Release the acquit button and press again Figure 30 reset sequence of a group of BM 25Ws NOTE When a new identification has started communication errors are inhibited for one minute Once the network healing is completed it is possible that one or several BM 25Ws remain isolated and stay in fault mode case No 1 Table of alarms To acknowled...

Страница 45: ...ailable from the Maintenance menu see Chapter 5 the MAC List menu allows the user from any BM 25W belonging to the network to get the MAC address of each BM 25W on the network and its particular status MAC Media Access Control unique identifier assigned to network interfaces Each BM 25W has its own unique MAC address Figure 32 MAC List menu ...

Страница 46: ...etwork A BM 25W in gas alarm mode is shown with the status A here BM 25W with address No 04C392 is in alarm A BM 25W in fault mode low battery for instance is shown with the status D here BM 25W with address No 0487D1 is in fault Figure 34 Status of each BM 25W on the network When a BM 25W is no longer communicating on the network its address appears in reverse video See SELF HEALING parapragh for...

Страница 47: ...ls and with the standards and directives relative to the safety of industrial sites OLDHAM is also not responsible for procedures performed onsite The gas monitor is factory programmed to display a maintenance alert if a calibration has not been performed in the last twelve months the message Calibration due will appear on the screen The operations explained in this chapter must be performed by au...

Страница 48: ...w or enter a correlation factor and to program alarm set points When using an oxygen sensor to set the low descending and high rising alarm thresholds or 2 low alarm levels if this option was selected When using a toxic gas sensor to set alarm thresholds The coefficients are given for information in relation to CH4 with an LEL of 5 0 volume and are automatically used by the monitor during calibrat...

Страница 49: ...exane C6H14 1 2 7 4 3 0 2 36 But Prop HEX Hydrogen H2 4 0 75 6 0 069 0 80 But Prop H2 Isobutane C4H10 1 5 15 2 0 1 6 But Prop ISB Isopropanol C3H8O 2 15 13 5 2 1 1 6 But Prop ISP Methane 3 CH4 5 0 15 0 0 55 1 00 CH4 CH4 4 4 1 14 Methanol CH3OH 5 5 44 0 1 1 1 0 But Prop MTL Methylamine CH3NH2 4 9 20 7 1 1 2 0 CH4 MAM Propylene oxide C3H6O 2 3 37 0 2 0 2 0 But Prop OPR Ethylene oxide C2H4O 2 6 100 1...

Страница 50: ...d in memory see paragraph Data storage on page 32 when the main battery is drained or when the monitor is turned off Expected lithium battery s runtime is 2 years When battery is low the user is notified with a Battery fault message before losing all stored data The battery must then be replaced This operation should only be performed by OLDHAM or OLDHAM approved personnel Radio communication menu...

Страница 51: ...s Channels settings Diagnostics in case of failure Instrument settings Sensors calibration Calibration and Control certificates Datalogging management Through its infrared port ref 1 the BM 25 25W can be connected to a computer by using a connection cable ref 2 and 3 Figure 36 interconnection cable and welcome screen ...

Страница 52: ...low the steps below Set communication parameters as necessary port speed language Click the Connect button Figure 37 the parameter programming menu Maintenance menu Follow the steps below From the main list of menus access the Maintenance menu Options are Program see page 53 Calibration see page 54 Time Setting see page 55 Monitoring report see page 55 Status report see page 55 Figure 38 Maintenan...

Страница 53: ...his code see paragraph Screen menu on page 58 The first column Activated top left allows the user to switch on off a channel The second column Present allows the user to display or not to display a channel that has been switched off e g O2 OFF or blank screen Click Confirm to save the modification Alarm settings Select the channel from the dropdown list Channel selection Figure 39 Edit alarm thres...

Страница 54: ...maintenance interval Enter the calibration gas concentration value shall be between 15 and 100 of the sensor range Click Zero to start the procedure Follow the software instructions You will be asked first to inject Zero Air and then Calibration Gas Figure 41 Calibration menu Once the calibration is complete click OK to validate If you miss something during the calibration click Cancel and start t...

Страница 55: ...nd Time Settings From the Maintenance menu Figure 38 select the option Update the BM 25 25W date and time from a PC Click OK to validate and exit Figure 43 the Time Settings menu Monitoring Report menu Follow the steps below From the Maintenance menu Figure 38 select Checking card Fill in the fields user s information for instance Create the monitoring report ctr file From the PC COM 2100 files op...

Страница 56: ... 25W Instruction Manual Example Step 1 Step 2 and 3 Step 4 Status Report menu From the Maintenance menu Figure 38 select State card and follow the same steps as described in the Monitoring Report menu etx files ...

Страница 57: ...is activated set to 1 Alarm relay internal relay output is activated Alarm 1 BM 25 25W will turn in Alarm 1 mode Alarm 2 BM 25 25W will turn in Alarm 2 mode Remote alarm BM 25 25W will turn in Alarm Transfer mode Reference 4 Alarm acknowledgment Local acknowledgment alarms must be acknowledged from the gas monitor keyboard Remote acknowledgment when on a network wired or wireless local alarms can ...

Страница 58: ...tion allows to assign log events by user or location List of Users Locations management To create a new entry fill in the field Enter new Location User name Click on Save new Location User name The new entry appears in the window on the left Locations Users available To add an all user location to the BM 25 25W select an input from the left and click on the icon To remove an user location from the...

Страница 59: ...larms Operations check Self test at start up Unit flashes every 2 minutes Confidence test Alarm thresholds Combustible 2 adjustable instantaneous thresholds in 0 60 LEL range Oxygen two adjustable instantaneous thresholds over the sensor s entire measuring scale over oxygenation and under oxygenation or two optional under oxygenation thresholds Toxic per sensor two adjustable instantaneous thresho...

Страница 60: ...tware Additional software Maintenance software COM 2100 Power supply Power Supply NiMH rechargeable battery pack Battery life in hours excluding alarms and as a function of the number of sensors Configuration Without radio module hours With radio module hours 1 catalytic and 2 infrared 40 35 1 catalytic and 1 infrared 70 50 1 catalytic and several Tox 100 65 Only Tox sensors 170 135 Charging Time ...

Страница 61: ...C to 55 C 20 C to 50 C 20 C to 50 C Relative humidity and pressure range 7 0 99 RH 1 bar 10 0 99 RH 1 bar 20 0 99 RH 1 bar 20 Service life 8 60 months 48 months 60 months Storage conditions and maximum storage time 9 4 C to 20 C 10 60 RH 1 bar 10 6 months maximum 40 C to 40 C 10 60 RH 1 bar 10 6 months maximum 40 C to 40 C 10 60 RH 1 bar 10 6 months maximum Warming up delay 10 300s 30s 30s Notes H...

Страница 62: ... Zero Span drift 4 0 2 2 0 2 2 Response time 5 20s 10s 10s Temperature 6 0 C to 40 C 20 C to 40 C 20 C to 40 C Relative humidity and pressure range 7 0 90 RH 1 bar 20 10 95 RH 1 bar 20 10 95 RH 1 bar 20 Lifetime 8 12 months 28 months 16 months Storage conditions and maximum storage time 9 4 C 20 C 10 60 RH 1 bar 10 6 months maximum 4 C 20 C 10 60 RH 1 bar 10 3 months 4 C 20 C 10 60 RH 1 bar 10 3 m...

Страница 63: ...30s 25s Temperature 6 10 C to 40 C 20 C to 40 C 20 C to 40 C Relative humidity and pressure range 7 10 95 RH bar 20 10 95 RH 1 bar 20 10 95 RH 1 bar 20 Lifetime 8 60 months 36 months 36 months Storage conditions and maximum storage time 9 0 C 40 C 10 60 RH 1 bar 20 6 months 4 C 20 C 10 60 RH 1 bar 10 2 months 4 C 20 C 10 60 RH 1 bar 10 2 months Warm up Delay 120s Operational upon start up Notes Ex...

Страница 64: ...perature 6 20 C to 40 C 20 C to 40 C 20 C to 40 C Relative humidity and pressure range 7 10 90 RH bar 20 15 95 RH 1 bar 20 15 95 RH 1 bar 20 Lifetime 8 30 months 24 months 24 months Storage conditions and maximum storage time 9 4 C 20 C 10 60 RH 1 bar 10 2 months 4 C 20 C 10 60 RH 1 bar 10 2 months 4 C 20 C 10 60 RH 1 bar 10 2 months Warm up Delay 10 Operational upon start up Notes Exposure to hig...

Страница 65: ... C to 40 C 20 C to 40 C 15 C to 40 C Relative humidity and pressure range 7 10 90 RH bar 20 15 95 RH 1 bar 20 15 95 RH 1 bar 20 Lifetime 8 30 months 24 months 30 months Storage conditions and maximum storage time 9 4 C 20 C 10 60 RH 1 bar 10 2 months 4 C 20 C 10 60 RH 1 bar 10 2 months 4 C 20 C 10 60 RH 1 bar 10 2 months Warm up Delay 10 Operational upon start up Notes Exposure to high levels of o...

Страница 66: ...arm up Delay 10 Operational upon start up Notes Exposure to high levels of organic solvents can damage the sensors Exposure to gases at levels higher than the monitor s range can damage the device Recalibrate sensors if they go out of range 1 In ppm unless otherwise specified 2 At 50 of scale same unit as range 3 As of signal read unless otherwise specified 4 Nominative values in normal use condit...

Страница 67: ...ing kit with semi rigid pump probe not for use in hazardous areas for use with electrical pump 6327918 Sampling kit with telescopic probe for use with electrical pump 6327921 Manual sampling kit with crystal tube 4 meters 6327922 Manual sampling kit with telescopic probe 6327923 Manual sampling kit with semi rigid probe not for use in hazardous areas 6327924 Manual sampling kit with rigid probe 63...

Страница 68: ...t Number Combustible sensors fit slot 1 only 6313888 EXPLO sensor 0 100 LEL 6313889 EXPLO CATHARO sensor range 0 100 LEL and 5 100 vol CH4 for BM 25 only H2 version also available MEDIUM sensors fit slots 4 and 5 unless mentioned 6313780 O2 sensor lifetime 28 months 6313823 Combo CO H2S sensor fits slot 4 only 6313818 CO2 sensor 0 5 vol 6313857 NO2 sensor 0 30 ppm 6313843 Cl2 sensor 0 10 ppm 63138...

Страница 69: ...0 F2 sensor 0 1 ppm 6313879 N2H4 sensor 0 1ppm 6313841 ClO2 sensor 0 3 ppm MEDIUM sensors fit slot 5 only 6313998 PID isobutylene sensor 1500ppm 6314065 CH4 sensor IR 0 100 LEL 4 4 vol 6314064 CH4 sensor IR 0 100 LEL 5 0 vol 6314087 C3H8 sensor IR 0 100 LEL 6314088 C4H10 sensor IR 0 100 LEL 6314089 Isobutane IR sensor 0 100 LEL 6314090 LPG IR sensor 0 100 LEL 6314092 CH4 IR sensor 0 100 vol Note t...

Страница 70: ...70 BM 25 25W Instruction Manual ...

Страница 71: ...nance of the gas monitor should be performed according to standards EN IEC 60079 14 and EN IEC 60079 17 For intrinsically safe installations and especially for connections to the gas monitor the person responsible for the intrinsic safety installation called the System designer must establish a system document demonstrating that the entire gas monitor system Cable Body is Intrinsically Safe see st...

Страница 72: ...Mines containing firedamp Category M1 for use in all gas levels b BM 25 25W with infrared sensors Surface industries Category 2G use in zones 1 or 2 Mines containing firedamp Category M2 for use below a certain concentration of gas The following operations are prohibited in explosive atmospheres Opening of the instrument sensors cover or rear cover Charge the batteries using a universal or vehicle...

Страница 73: ... and inductance Refer to national and international standards for example EN IEC 60079 14 A Descriptive Document System should be established by the person responsible for the installation as explained above Trickle charging connection external power source The external power source for battery pack maintenance must be intrinsically safe and must be compatible with the following gas detector input...

Страница 74: ...ead the instructions carefully before starting up Substitution of components may compromise intrinsic safety BM 25W with radio communication module OLDHAM CE 0080 BM 25W IP 66 Ambient T 20 C 55 C II 1G I M1 Ex ia IIB T4 Ga Ex ia I Ma or II 2G I M2 Ex ia IIC T4 Gb Ex ia I Mb With infrared sensor block IP 66 Ambient T 20 C 55 C II 2G I M2 Ex ia d IIC T4 Gb Ex ia d I Mb INERIS 05ATEX0044 Do not open ...

Страница 75: ...tains RF200 IC 7084A RF200 This device complies with Part 15 of FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interferences and 2 this device must accept any interference received including interference that may cause undesired operation ...

Страница 76: ...76 BM 25 25W Instruction Manual ...

Страница 77: ...10 Declaration of EC Conformity 77 Chapter 10 Declaration of EC Conformity The document hereafter 2 pages reproduces the EC declaration of conformity ...

Страница 78: ...78 BM 25 25W Instruction Manual ...

Страница 79: ...10 Declaration of EC Conformity 79 ...

Страница 80: ... Cedex FRANCE Tél 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Web site http www oldhamgas com AMERICAS Tel 1 713 559 9280 Fax 1 281 292 2860 americas oldhamgas com ASIA PACIFIC Tel 86 21 3127 6373 Fax 86 21 3127 6365 sales oldhamgas com EUROPE Tel 33 321 60 80 80 Fax 33 321 60 80 00 info oldhamgas com ...

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