Filterset, dust filter 8 x 15 mm, 25 pieces – 271111

Rugged, explosion proofed gas measurement instrument with internal membrane pump and reachargeable NiMH-battery for the specific use in biogas, landfill and sewage gas. Operating time > 8 to > 12 hours depending on application (without backlight) Measurement ranges: – methane 0 – 100 Vol.% CH4 – carbon dioxide 0 – 100 Vol.% CO2 – oxygen 0 – 25 Vol.% O2 (optional) – hydrogen sulphide 0 – 100 ppm H2S (optional) – hydrogen sulphide 0 – 1000 ppm H2S (optional) – hydrogen sulphide 0 – 2000 ppm H2S (optional) Dimensions: 200 x 100 x 87 mm Weight: approx. 1200 g Explosion proofed instrument: Sign: ll 2G Ex ib d llB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C < Ta < +40°C

Gas detection device for easily locating even the smallest leaks in water and heating systems – special, highly sensitive hydrogen sensor with a resolution of 0,1 ppm H2 – extremely fast reaction to the smallest traces of hydrogen – second sensor for pinpoint localisation in probe holes – integrated pump with high power for flow and for negative pressure Operation time: > 10 hours without lighting Measuring ranges: 0 to 1000 ppm H2 0 to 5 Vol.% H2 in N2 dimensions: 200 x 100 x 87 mm weight: approx. 1100 g temperature range: -10°C to +50°C

HUNTER – gas leak detector High sensitive professional gas detection instrument for pipeline inspection and leak detection. Selected sensors with humidity compensation and high sensitivity for methane. Integrated powerful pump, rechargeable NiMH battery pack and Bluetooth module for online data transfer to tablet computer. Operating time: > 10 hours including Bluetooth-data transfer > 11 hours without Bluetooth-data transfer Measurement range: 0 – 22.000 ppm methane Dimensions: 200 x 100 x 87 mm Weight: approx. 1100 g Temperature range: -10°C to +50°C

SAFE EthaneTest Analyser for easy differentiation between natural gas and biogas – rugged complete system in a service box – including test probe and test probe hose – fully automatic sampling and analysis within five minutes – documentation with the built-in printer – data memory and infrared interface to transfer all measurements to the PC technical data: – display: LCD graphic display 128 x 64 pixels, illuminable – power supply: lead accumulator, integrated charging system with 12 V input – operating time: depending on outside temperature, over 50 analyses – analysise range: depending on the ethane concentration in natural gas from approx. 1000 ppm to 100 Vol. % natural gas – operating temperature: -10°C to +45°C – dimensions: 350 x 300 x 150 mm – weight: approx. 5600 g

Highly sensitive and selective gas detection & gas measurement device with laser technology for the inspection of underground gas pipes using suitable probes (e. g. carpet probe). The device can also be used for the vehicle-based pipeline inspection. With built-in diaphragm pump, Bluetooth module and rechargeable Li-Ion battery. One out of two different laser modules can be assembled: – single laser module for methane or – dual laser module for methane & ethane Moreover, the device can be equipped with additional sensors to enable further applications. The following applications are possible: – Inspection of underground pipes – Inspection of accessible pipes in buildings – Inspection of accessible pipes on plants, etc. – Inspection of ground soil for pinpointing (optional) – Purging of gas pipelines (optional, only in combination with pinpointing) – Gas analysis (with dual laser module) Operating time up to 10 hours Measurement range depending on built-in sensors Dimensions (LxWxH): 143 x 240 x 85 mm Weight: 2.1 kg Temperature ranges: 0 °C to 40 °C (dual laser module) -10 °C to 50 °C (single laser module)

Gas detection & gas measurement device for the inspection of underground gas pipes using suitable probes (e. g. carpet probe). With built-in diaphragm pump, Bluetooth module and rechargeable Li-Ion battery. The device can be equipped with additional sensors to enable further applications. The following applications are possible: – Inspection of underground pipes – Inspection of accessible pipes in buildings – Inspection of accessible pipes on plants, etc. – Inspection of ground soil for pinpointing (optional) – Purging of gas pipes (optional, only in combination with pinpointing) Operating approx. 10 hours Measurement ranges depending on built-in sensors Dimensions (LxWxH): 100 x 195 x 86 mm Weight: 1.1 kg Temperature range: -10°C to 50°C

methane/propane and toxic gases Detect – Warn – Measure Rugged, explosion proofed measurement instrument with internal membranpump and reachargeable NiMH- battery. operating time: depending on application and backlight Application in accordance with DVGW G 465-4: – Enclosed space testing – Above ground inspection – Confined space entry – Building inspection – Bar hole testing – Purging gas purity Measurement ranges: – methane ppm, LEL, Vol.% – carbon dioxide 0 – 5 Vol.% / 0 – 100 Vol.% CO2 – propane ppm, LEL, Vol.% (optional) – oxygen 0 – 25 Vol.% O2 (optional) – carbon monoxide 0 – 500 ppm CO (optional) – hydrogen sulphide 0 – 100 ppm H2S (optional) – pressure measurement 0 – 2.000 hPa (optional) – flow speed measurement (optional) Dimensions: 200 x 100 x 87 mm Weight: approx. 1250 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C <= Ta <= +40°C

methane and toxic gases Detect – Warn – Measure – Analyse Rugged, explosion proofed measurement instrument with internal membranpump and reachargeable NiMH- battery. Operating time: depending on application and backlight Application in accordance with DVGW G 465-4: – Enclosed space testing – Above ground inspection – Confined space entry – Building inspection – Bar hole testing – Purging gas purity – Ethane analysis Measurement ranges: – methane ppm, LEL, Vol.% – carbon dioxide 0 – 5 Vol.% / 0 – 100 Vol.% CO2 – oxygen 0 – 25 Vol.% O2 (optional) – carbon monoxide 0 – 500 ppm CO (optional) – hydrogen sulphide 0 – 100 ppm H2S (optional) – pressure measurement 0 – 2.000 hPa (optional) Dimensions: 200 x 100 x 87 mm Weight: approx. 1250 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C <= Ta <= +40°C

GOLIATH RN without Ethane analysis methane/propane and toxic gases Detect – Measure Rugged, explosion proofed measurement instrument with internal membranpump and reachargeable NiMH- battery. Operating time: depending on application and backlight Application in accordance with DVGW G 465-4: – Enclosed space testing – Above ground inspection – Building inspection – Bar hole testing – Purging gas purity Measurement ranges: – methane ppm, Vol.% – carbon dioxide 0 – 5 Vol.% / 0 – 100 Vol.% CO2 – propane ppm, Vol.% (optional) – oxygen 0 – 25 Vol.% O2 (optional) – carbon monoxide 0 – 500 ppm CO (optional) – flow speed measurement (optional) Dimensions: 200 x 100 x 87 mm Weight: approx. 1250 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C <= Ta <= +40°C

GOLIATH RN with Ethane analysis methane and toxic gases Detect – Measure – Analyse Rugged, explosion proofed measurement instrument with internal membranpump and reachargeable NiMH- battery. Operating time: depending on application and backlight Application in accordance with DVGW G 465-4: – Enclosed space testing – Above ground inspection – Building inspection – Bar hole testing – Purging gas purity – Ethane analysis Measurement ranges: – methane ppm, Vol.% – carbon dioxide 0 – 5 Vol.% / 0 – 100 Vol.% CO2 – oxygen 0 – 25 Vol.% O2 (optional) – carbon monoxide 0 – 500 ppm CO (optional) Dimensions: 200 x 100 x 87 mm Weight: approx. 1250 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C <= Ta <= +40°C

GOLIATH RB methane/propane and toxic gases Warn – Measure Rugged, explosion proofed measurement instrument with internal membranpump and reachargeable NiMH- battery. operating time: depending on application and backlight Application in accordance with DVGW G 465-4: – Confined space entry – Bar hole testing – Purging gas purity Measurement ranges: – methane LEL, Vol.% – carbon dioxide 0 – 5 Vol.% / 0 – 20 Vol.% CO2 – propane LEL, Vol.% (optional) – oxygen 0 – 25 Vol.% O2 (optional) – carbon monoxide 0 – 500 ppm CO (optional) – hydrogen sulphide 0 – 100 ppm H2S (optional) – flow speed measurement (optional) Dimensions: 200 x 100 x 87 mm Weight: approx. 1250 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C <= Ta <= +40°C

GOLIATH Localisation LOC methane/propane and toxic gases Measure Rugged, explosion proofed measurement instrument with internal membranpump and reachargeable NiMH- battery. Operating time: depending on application and backlight Application in accordance with DVGW G 465-4: – Purging gas purity – Bar hole testing Measurement ranges: – methane Vol.% – carbon dioxide 0 – 5 Vol.% / 0 – 20 Vol.% CO2 – propane Vol.% (optional) – oxygen 0 – 25 Vol.% O2 (optional) Dimensions: 200 x 100 x 87 mm weight: approx. 1250 g Explosion proofed instrument: Sign: II 2G Ex ib d IIB T3/T4 Gb BVS 09 ATEX E 079 X Temperature range: -10°C <= Ta <= +40°C

Gas measurement & warning instrument Explosion-proof & compact handheld gas measurement instrument as diffusion device. It can be used for up to 5 combustible and toxic gases as well as oxygen and comes in an extremely rugged 2C synthetic housing with a Li-Ion rechargeable battery. Up to 3 gas sensors can be installed (Ex/Ox/Tox). Assembly is based on customer requirements. Moreover, a pressure sensor can be installed. The instrument can be equipped with an optional pump. Operating time > 50 hours (depending on type & number of installed sensors and ambient conditions, w/o illumination) Measurement ranges are subject to sensor assembly Dimensions: 136 x 78 x 43 mm Weight: approx. 350 g Explosion-proof measurement instrument (active & passive) Measuring function certified for methane (CH4), propane (C3H8), oxygen (O2), carbon monoxide (CO), carbon dioxide (CO2), hydrogen sulfide (H2S) according to the following standards: EN 60079-29-1 EN 50104 EN 45544-1 EN 45544-3 Marking: II 2G Ex ib db IIB T4 Gb (EU-)type examination certificates: BVS 17 ATEX E 043 X TÜV 21 ATEX 8596 X TÜV 21 PTG 7001 X 968/FSP 1940.05/21 Temperature range: -20°C <= Ta <= +50°C

OLLI gas measurement & warning instrument Explosion-proof & compact handheld gas measurement instrument as diffusion device. It can be used for up to 5 combustible and toxic gases as well as oxygen and comes in an extremely rugged 2C synthetic housing with a Li-Ion rechargeable battery. Up to 3 gas sensors can be installed (Ex/Ox/Tox). Assembly is based on customer requirements. Moreover, a pressure sensor can be installed. The instrument can be equipped with an optional pump. Operating time > 50 hours (depending on type & number of installed sensors and ambient conditions, w/o illumination) Measurement ranges are subject to sensor assembly Dimensions: 136 x 78 x 43 mm Weight: approx. 350 g Explosion-proof measurement instrument (active & passive) Measuring function certified for methane (CH4), propane (C3H8), oxygen (O2), carbon monoxide (CO), carbon dioxide (CO2), hydrogen sulfide (H2S) according to the following European standards: EN 60079-29-1 EN 50104 EN 45544-1 EN 45544-3 Applied Brazilian standards: ABNT NBR IEC 60079-0 ABNT NBR IEC 60079-1 ABNT NBR IEC 60079-11 Marking: Ex db ib IIB T4 Gb Certificates: DNV 22.0010 X Temperature range: -20°C <= Ta <= +50°C

Gas measurement & warning instrument Explosion-proof & compact handheld gas measurement instrument as diffusion device. It can be used for up to 5 combustible and toxic gases as well as oxygen and comes in an extremely rugged 2C synthetic housing with 3 alkaline manganese primary cells. Up to 3 gas sensors can be installed (Ex/Ox/Tox). Assembly is based on customer requirements. Moreover, a pressure sensor can be installed. The instrument can be equipped with an optional secondary cell and/or optional pump. Operating time > 20 hours (depending on type & number of installed sensors and ambient conditions, w/o illumination) Measurement ranges are subject to sensor assembly Dimensions: 136 x 78 x 43 mm Weight: approx. 350 g Explosion-proof measurement instrument, marking: II 2G Ex ib db IIB T4 Gb BVS 17 ATEX E 043 X Temperature range: -20°C <= Ta <= +50°C

OLLI INMETRO gas measurement & warning instrument Explosion-proof & compact handheld gas measurement instrument as diffusion device. It can be used for up to 5 combustible and toxic gases as well as oxygen and comes in an extremely rugged 2C synthetic housing with a Li-Ion rechargeable battery. Up to 3 gas sensors can be installed (Ex/Ox/Tox). Assembly is based on customer requirements. Moreover, a pressure sensor can be installed. The instrument can be equipped with an optional pump. Operating time > 50 hours (depending on type & number of installed sensors and ambient conditions, w/o illumination) Measurement ranges are subject to sensor assembly Dimensions: 136 x 78 x 43 mm Weight: approx. 350 g Explosion-proof measurement instrument Applied Brazilian standards: ABNT NBR IEC 60079-0 ABNT NBR IEC 60079-1 ABNT NBR IEC 60079-11 Marking: Ex db ib IIB T4 Gb Certificates: DNV 22.0010 X Temperature range: -20°C <= Ta <= +50°C