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ion science GASCLAM 2, Instrument User Manual

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GasClam 2 Instrument User Manual 

 

Ion Science Ltd. 

 

Unrivalled Gas Detect

ion.

                             

ionscience.com

 

 

2 

Thank you for purchasing your Ion Science instrument. 

Register your instrument online for the warranty 

The standard warranty of your GasClam 2   is for one year. 

To receive the warranty, you must register your instrument online within one month of 

purchase (terms and conditions apply). 

Visit 

ionscience.com/instrument-registration

 

 

 

 

 

 
 

 

 

 

 

 
 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 
 

 

Part number: 873203 

Summary of Contents for GASCLAM 2

Page 1: ...Unrivalled Gas Detection ionscience com Instrument User Manual V1 0 GASCLAM 2 ...

Page 2: ...your Ion Science instrument Register your instrument online for the warranty The standard warranty of your GasClam 2 is for one year To receive the warranty you must register your instrument online within one month of purchase terms and conditions apply Visit ionscience com instrument registration Part number 873203 ...

Page 3: ...e and Humidity on Sample Count 13 Temperatures Below 0 C 14 The Effects of Water on a GasClam 2 14 How the GasClam 2 Prevents Water Entering From Below 14 How the GasClam 2 Prevents Water Entering From Above 15 Optimising GasClam 2 Performance 15 Start Monitoring 15 Changing Batteries 15 Connecting the GasClam 2 to a PC 17 Check Voltages and Settings 17 Installing the GasClam 2 in a Borehole 17 Tu...

Page 4: ...GasClam 2 Instrument User Manual Ion Science Ltd Unrivalled Gas Detection ionscience com 2 Cross sensitivities and Sensor Performance 26 ...

Page 5: ...TE DANGER WARNINGS WHERE THERE IS A RISK OF INJURY OR DEATH FROM ELECTRIC SHOCK CAUTION USED TO INDICATE A CAUTION WHERE THERE IS A RISK OF DAMAGE TO EQUIPMENT PROHIBITED ACTION USED TO INDICATE ACTIONS THAT ARE NOT PERMITTED E G YOU MUST NEVER INFORMATION IMPORTANT INFORMATION OR USEFUL HINTS ABOUT USAGE Recycling and Disposal ____________________________________________________________ RECYCLING...

Page 6: ...GasClam 2 Instrument User Manual Ion Science Ltd Unrivalled Gas Detection ionscience com 4 Declaration of conformity__________________________________________________________ ...

Page 7: ... That ensures that the equipment is designed and assembled reproducibly from traceable components calibrated to the stated standards before it leaves our factory Disposal Dispose of GasClam 2 and its components in accordance with all local and national safety and environmental requirements This includes the European WEEE Waste Electrical and Electronic Equipment directive Ion Science Ltd offers a ...

Page 8: ...Office Ion Science Messtechnik GMBH Laubach 30 Metmann Neandertal 40822 GERMANY Tel 49 2104 14480 Fax 49 2104 144825 Email info ism d de Web ism d de Italian Office Ion Science Italia Via Emilia 51 c 40011 Anzola Emilia Bologna ITALY Tel 39 051 0561850 Fax 39 051 0561851 Email info ionscience it Web ionscience it French Office Ion Science France 41 Rue des Etoiles 83240 Cavalaire Sur Mer FRANCE Te...

Page 9: ...rded data can be viewed using the GasClam 2 software or exported for analysis to a spreadsheet The software is also used to setup the GasClam 2 for logging including logging intervals total number of samples power supply and venting options The GasClam 2 itself is built to the highest standards with the outer casing from stainless steel is intrinsically safe and is certified for use in explosive e...

Page 10: ...he GasClam 2 is packed for transport with caps on the inlet outlet and vent barbs these black caps must be removed before the Unit is used If it is intended to store the Unit for a longer period of time it is recommended to replace the caps on the barbs to stop moisture and dust ingression Parts Description GasClam 2 Head GasClam 2 Base Identification Plates Battery Cover Plate Communication Port ...

Page 11: ...e can be taken after about minute hence the minimum interval between samples which is the logging interval is 3 minutes The sampled gas is returned back into the borehole however if required a venting system can open a pathway from the borehole to the atmosphere at specified intervals and for specified durations User Accessible Parts WARNING To ensure the GasClam s intrinsic safety DO NOT dismantl...

Page 12: ...ith national and local standards and how far these areas extend away from the boreholes where GasClam 2 will be deployed Borehole Headworks The GasClam 2 is designed to fit in a 50 mm 2 borehole The recommended Headworks are 8 Monitoring wells from Stuart Wells http wellservices stuartgroup ltd uk or a similar type and should be installed following the diagram below It is important to have the sta...

Page 13: ...hey are not put in the wrong boreholes Power Supply Options The GasClam 2 can use 4 approved power sources 2x 1 5 V Alkaline Manganese Duracell MN1300 Alk Mn logging interval 3 minutes to 24 hours 2 6 V Nickle Metal Hydride rechargeable battery pack Ni MH logging interval 3 minutes to 24 hours 7 2 V Lithium non rechargeable battery pack Li logging interval 15 minutes to 24 hours 12 V External dc p...

Page 14: ...ring with more frequent logging intervals which would be outside the capability of the battery packs it is also possible to power the GasClam 2 via the optional Junction Box The external power supply and barriers must have the parameters defined above to maintain intrinsic safety Custom remote data with external power The optional External Power and Com Cable as above can also be used to access lo...

Page 15: ...rge over time This also means that battery life is not proportional with an increase in logging interval e g if the logging interval is increased from 1 hour to 12 hours the nominal battery life will not increase 12 times to 276 days 9 months The NiMH batteries self discharge at a rate of 15 20 per month To obtain the maximum working life from the Ni MH battery packs it is recommended that they ar...

Page 16: ...ure borehole and atmospheric pressure allow a venting pathway between the borehole and atmosphere the GasClam 2 software enables a selection of venting options To measure gas concentrations the gas must be dry and measurements of atmospheric pressure should not include the pressure of overlying water As the GasClam 2 can be in a position liable to flooding from above flooded Headworks and below bo...

Page 17: ...ot be recorded in this mode Optimising GasClam 2 Performance Read the Cross sensitivities and sensor performance section to understand how each gas is detected and the implication of environmental conditions on their detection Understand the implication on sampling and bump testing if a 5 CO2 sensor is installed see section Technical Specification Periodically on a monthly basis the GasClam 2 shou...

Page 18: ...it MUST be replaced The O ring should be checked every time the batteries are replaced 7 When the O ring is resting on the battery compartment push the cover plate down evenly to ensure it travels down square This will prevent damage to the O ring The cover plate must sit flush with the head of the GasClam 2 otherwise the intrinsic safety of the unit will be compromised 8 Again clamp the plate wit...

Page 19: ...sClam 2 in the line Power Source and that Power Status meter is showing the correct voltage Alkaline Duracell New above 3 V Ni MH rechargeable Fully recharged 2 5 2 7 V Li Long life New battery pack 7 0 7 2 V After ensuring that the battery type and voltage corresponds with the newly fitted batteries proceed to set up the GasClam 2 for the monitoring application and specific borehole by clicking o...

Page 20: ...tes the red LED flashes intermittently indicating that the GasClam 2 is Logging but between Samples To stop the GasClam 2 press the button for two seconds the red LED will stop flashing indicating that the GasClam 2 is Sleeping The Push Button cable can also be used to perform occasional checks of the state of the GasClam 2 without the need to take the Unit out of the borehole It is recommended th...

Page 21: ... Manual Download Remove the GasClam 2 from the borehole using the Lifting Handel Take the GasClam 2 outside the hazardous area Under no circumstances take or connect a laptop to the GasClam 2 in a hazardous area Place the GasClam 2 on a clean dry surface and wipe the head around the Com Port Cap if dirty Connect the GasClam 2 to the PC using procedure previously described Download the data using t...

Page 22: ...1320 490 730 38 C 98 RH 300 240 360 To assess if the filter needs to be replaced when the batteries are changed inspect the filter indicators If both indicators are blue the filter does not have to be replaced The table below shows what actions to take depending on the state of the top and bottom indicators with respect to temperature and humidity Bottom indicator Top indicator Action at 15 C 90 R...

Page 23: ...e the other inlet sits down on the nozzle 7 Push the filter completely down firmly from the top 8 Run the Leak Test from the software to check that the system is correctly sealed 9 Check the sealing O rings if damaged replace immediately 10 If the result is ok then screw the Filter Cover back on User Serviceable Parts Battery compartment O ring When changing the batteries always inspect the O ring...

Page 24: ... 2 4V Rechargeable 10 Battery Charger ECH 1 1 11 Battery Charger Power Supply 12 Battery Pack Lithium Primary Li72 190F 13 Moisture Filter Cover Plastic 14 Communication Port Cap and Lanyard 15 Water Level Sensor Cap and Lanyard 16 O Ring 1 and O Ring Battery Cover ᴓ 032 x 2 mm 17 O Ring 2 ᴓ 033 x 2 mm 18 Battery Cover Plate Complete 19 Allen Key no 5 Battery Cover 20 Box Spanner no 7 Vent Barb 21...

Page 25: ...Flooded Borehole Remedial Action Preventive Maintenance Effects on data Should water reach the base of the Unit the inflow and outflow valves will close no samples will be taken Borehole pressure readings will be incorrect Gas concentration readings will be incorrect Data points for the set logging interval will be marked when samples have not been taken If borehole water level is known to be high...

Page 26: ...rval 3 minutes to 24 hours Lithium battery packs 15 minutes to 24 hours Internal Memory Maximum 30 000 date time stamped sample set depending on configuration If errors are recorded maximum memory is reduced to 15 000 sample sets Internal Memory Mode Sampling will stop when the memory is full Date and Time Internal clock Sensors 5x gas sensors optional 2x pressure 1x temperature built in water lev...

Page 27: ... C 1 F Water depth optional Piezoelectric 0 27 m 0 01 m Gas Sensor Specifications Position Sensor Type Range Resolution Accuracy 5 CO2 Infrared 0 100 1 above 50 0 5 below 50 2 FSD 5 CO2 Infrared 0 5 4 CH4 Infrared 0 100 1 above 50 0 5 below 50 2 FSD 4 CH4 0 5 3 O2 Electrochem 0 25 0 10 5 of reading 1 digit 2 CO Electrochem 0 2000 ppm 1 ppm 3ppm at 0 5 at 250 ppm 10 full scale 2 H2S Electrochem 0 1...

Page 28: ...adually i e Sample 1 Real concentration 0 0 Measured 0 000 Sample 2 Real concentration 0 1 Measured 0 090 within error Sample 3 Real concentration 0 3 Measured 0 279 within error Sample 4 Real concentration 0 8 Measured 0 750 within error When concentration decreases the reading will also be 90 of the real value after 1 sample Below are examples when 4 7 CO2 has been sampled and how the sensor fil...

Page 29: ...o gases they are cross sensitive for long periods it may take some time for the sensors to recover The sensors can be checked after exposure to these gases by setting the GasClam 2 to sample every 5 minutes in clean air and the concentrations should return to zero and stabilise If you suspect a cross sensitivity problem please contact your supplier for further advice Additional CO H2S sensor perfo...

Page 30: ...ay stick to the PID lamp reducing the amount of ultraviolet light available for future measurements Before each PID measurement is made the lamp is turned on for 30s to burn the residual VOCs off However some VOCs may be more persistent and not completely removed if this happens the PID response will decrease To recondition the lamp set the GasClam 2 to sample every 3 minutes and run for 1 hour in...

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