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Gas Detection

Gas Detection

Gas Detection

Keep Supply is your trusted source for gas detection. Gas detectors measure and indicate the concentration of certain gases in the air via different technologies. We carry gas detectors from Calibration Technologies (CTI), Honeywell, BW Technologies by Honeywell, Draeger, and more. For all your parts needs, we are here to help.

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Fixed Gas Detection
Fixed Gas Detection
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Portable Gas Detectors
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Gas Detector Calibration Gas
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Gas Detector Replacement Sensors/Cells
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  1. GG-H2-EC-10000-ST CTI Gas Sensor, Hydrogen 0-10,000 ppm (1%VOL), electrochemical, 4/20 mA output, GG-H2-EC-10000-ST CTI Gas Sensor, Hydrogen 0-10,000 ppm (1%VOL), electrochemical, 4/20 mA output,
    GG-H2-EC-10000-ST CTI Gas Sensor, Hydrogen 0-10,000 ppm (1%VOL), electrochemical, 4/20 mA output,
    Add to Quote to request pricing
  2. GG-H2-EC-2000 CTI Gas Sensor Hydrogen 0-2000 PPM Electrochemical 4/20 mA Output GG-H2-EC-2000 CTI Gas Sensor Hydrogen 0-2000 PPM Electrochemical 4/20 mA Output
    GG-H2-EC-2000 CTI Gas Sensor Hydrogen 0-2000 PPM Electrochemical 4/20 mA Output
    Web Price $1,249.00
  3. GG-H2-EC-2000-ST CTI Gas Sensor, Hydrogen 0-2,000 ppm, electrochemical, 4/20 mA output, GG-H2-EC-2000-ST CTI Gas Sensor, Hydrogen 0-2,000 ppm, electrochemical, 4/20 mA output,
    GG-H2-EC-2000-ST CTI Gas Sensor, Hydrogen 0-2,000 ppm, electrochemical, 4/20 mA output,
    Add to Quote to request pricing
  4. GG-H2-EC-RC CTI Replacement Electrochemical Cell for Hydrogen Sensor Models Gg-h2-ec (0-2000 or 0-10,000) And GG-H2-EC-RC CTI Replacement Electrochemical Cell for Hydrogen Sensor Models Gg-h2-ec (0-2000 or 0-10,000) And
    GG-H2-EC-RC CTI Replacement Electrochemical Cell for Hydrogen Sensor Models Gg-h2-ec (0-2000 or 0-10,000) And
    Web Price $549.50
  5. GG-H2-series CTI Replacement Sensor GG-H2-series CTI Replacement Sensor
    GG-H2-series CTI Replacement Sensor
    As low as $0.00 List Price $614.00 List Price $614.00
  6. GG-H2S-100 CTI Gas Sensor, Hydrogen Sulfide 0-100 ppm, 4/20 mA output, GG-H2S-100 CTI Gas Sensor, Hydrogen Sulfide 0-100 ppm, 4/20 mA output,
    GG-H2S-100 CTI Gas Sensor, Hydrogen Sulfide 0-100 ppm, 4/20 mA output,
    Add to Quote to request pricing
  7. GG-H2S-200 CTI Gas Sensor, Hydrogen Sulfide 0-200 ppm, 4/20 mA output, GG-H2S-200 CTI Gas Sensor, Hydrogen Sulfide 0-200 ppm, 4/20 mA output,
    GG-H2S-200 CTI Gas Sensor, Hydrogen Sulfide 0-200 ppm, 4/20 mA output,
    Web Price $0.00 List Price $1,089.00 List Price $1,089.00
  8. GG-H2S-50-DM CTI Gas Sensor, Hydrogen Sulfide 0-50 PPM, 4/20 mA Output, Rugged Polycarbonate GG-H2S-50-DM CTI Gas Sensor, Hydrogen Sulfide 0-50 PPM, 4/20 mA Output, Rugged Polycarbonate
    GG-H2S-50-DM CTI Gas Sensor, Hydrogen Sulfide 0-50 PPM, 4/20 mA Output, Rugged Polycarbonate
    Web Price $1,540.00
  9. GG-H2S-50-EXP CTI Gas Sensor, Hydrogen Sulfide 0-50 ppm, 4/20 mA output, explosion-proof enclosure GG-H2S-50-EXP CTI Gas Sensor, Hydrogen Sulfide 0-50 ppm, 4/20 mA output, explosion-proof enclosure
    GG-H2S-50-EXP CTI Gas Sensor, Hydrogen Sulfide 0-50 ppm, 4/20 mA output, explosion-proof enclosure
    Web Price $1,540.00
  10. GG-H2S-50-RT CTI GG-H2S without the cell, factory range 0-50 ppm H2S hydrogen sulfide, 4/20 mA output, GG-H2S-50-RT CTI GG-H2S without the cell, factory range 0-50 ppm H2S hydrogen sulfide, 4/20 mA output,
    GG-H2S-50-RT CTI GG-H2S without the cell, factory range 0-50 ppm H2S hydrogen sulfide, 4/20 mA output,
    Add to Quote to request pricing
  11. GG-H2S-50-ST CTI Gas Sensor Hydrogen Sulfide 0-50 PPM, 4/20 mA Output GG-H2S-50-ST CTI Gas Sensor Hydrogen Sulfide 0-50 PPM, 4/20 mA Output
    GG-H2S-50-ST CTI Gas Sensor Hydrogen Sulfide 0-50 PPM, 4/20 mA Output
    Web Price $1,599.00
  12. GG-H2S-RC CTI Replacement Electrochemical Cell H2S, Ribbon Cable GG-H2S-RC CTI Replacement Electrochemical Cell H2S, Ribbon Cable
    GG-H2S-RC CTI Replacement Electrochemical Cell H2S, Ribbon Cable
    Web Price $549.50
  13. GG-H2S-RC-EXP CTI Replacement Electrochemical Cell, H2S 0-50ppm, Ribbon Cable, Explosion Proof GG-H2S-RC-EXP CTI Replacement Electrochemical Cell, H2S 0-50ppm, Ribbon Cable, Explosion Proof
    GG-H2S-RC-EXP CTI Replacement Electrochemical Cell, H2S 0-50ppm, Ribbon Cable, Explosion Proof
    Web Price $706.44
  14. GG-H2S-series CTI Gas Sensor, Hydrogen Sulfide GG-H2S-series CTI Gas Sensor, Hydrogen Sulfide
    GG-H2S-series CTI Gas Sensor, Hydrogen Sulfide
    As low as $0.00 List Price $1,249.00 List Price $1,249.00
  15. CTi GG-LEL-RS, Replacement LEL sensor element, sensor for GG-LEL, 3 wires - image 1 CTi GG-LEL-RS, Replacement LEL sensor element, sensor for GG-LEL, 3 wires - image 1
    GG-LEL-RS CTI Replacement LEL sensor element, sensor for GG-LEL, 3 wires
    Web Price $0.00 List Price $487.00 List Price $487.00
  16. GG-LEL2-C2H4 CTI Gas Sensor, Ethylene 0-100% LEL, 4/20 mA output, explosion proof housing GG-LEL2-C2H4 CTI Gas Sensor, Ethylene 0-100% LEL, 4/20 mA output, explosion proof housing
    GG-LEL2-C2H4 CTI Gas Sensor, Ethylene 0-100% LEL, 4/20 mA output, explosion proof housing
    Web Price $1,275.00
  17. GG-LEL2-C2H5OH CTI Gas Sensor Ethanol 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C2H5OH CTI Gas Sensor Ethanol 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C2H5OH CTI Gas Sensor Ethanol 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  18. GG-LEL2-C2H6 CTI Gas Sensor Ethane 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C2H6 CTI Gas Sensor Ethane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C2H6 CTI Gas Sensor Ethane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  19. GG-LEL2-C3H7OH CTI Gas Sensor Isopropyl Alcohol 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C3H7OH CTI Gas Sensor Isopropyl Alcohol 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C3H7OH CTI Gas Sensor Isopropyl Alcohol 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  20. GG-LEL2-C3H8 CTI Gas Sensor Propane 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C3H8 CTI Gas Sensor Propane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C3H8 CTI Gas Sensor Propane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  21. GG-LEL2-C4H10 CTI Gas Sensor N-butane 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C4H10 CTI Gas Sensor N-butane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C4H10 CTI Gas Sensor N-butane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  22. GG-LEL2-C5H12 CTI Gas Sensor N-Pentane0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C5H12 CTI Gas Sensor N-Pentane0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C5H12 CTI Gas Sensor N-Pentane0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  23. GG-LEL2-C6H14 CTI Gas Sensor N-Hexane 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-C6H14 CTI Gas Sensor N-Hexane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-C6H14 CTI Gas Sensor N-Hexane 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  24. GG-LEL2-CH3COCH3 CTI Gas Sensor, Acetone 0-100% LEL, 4/20 mA output, explosion proof housing GG-LEL2-CH3COCH3 CTI Gas Sensor, Acetone 0-100% LEL, 4/20 mA output, explosion proof housing
    GG-LEL2-CH3COCH3 CTI Gas Sensor, Acetone 0-100% LEL, 4/20 mA output, explosion proof housing
    Web Price $1,275.00
  25. GG-LEL2-H2 CTI Gas Sensor Hydrogen 0-100% LEL 4-20 mA Output, Explosion Proof Housing GG-LEL2-H2 CTI Gas Sensor Hydrogen 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    GG-LEL2-H2 CTI Gas Sensor Hydrogen 0-100% LEL 4-20 mA Output, Explosion Proof Housing
    Web Price $1,275.00
  26. GG-LEL2-NH3 CTI Gas Sensor Ammonia 0-100% LEL 4/20 mA Output Explosion Proof Housing GG-LEL2-NH3 CTI Gas Sensor Ammonia 0-100% LEL 4/20 mA Output Explosion Proof Housing
    GG-LEL2-NH3 CTI Gas Sensor Ammonia 0-100% LEL 4/20 mA Output Explosion Proof Housing
    Web Price $2,051.00
  27. GG-LEL2-NH3-RS CTI GG-LEL2 Replacement Sensor Element (ammonia) GG-LEL2-NH3-RS CTI GG-LEL2 Replacement Sensor Element (ammonia)
    GG-LEL2-NH3-RS CTI GG-LEL2 Replacement Sensor Element (ammonia)
    Web Price $706.44
  28. GG-LEL2-RS CTI Replacement Sensor Element for GG-LEL2, 3 wires GG-LEL2-RS CTI Replacement Sensor Element for GG-LEL2, 3 wires
    GG-LEL2-RS CTI Replacement Sensor Element for GG-LEL2, 3 wires
    Web Price $706.44
  29. GG-NH3-1%-EXP CTI Gas Sensor Ammonia 0-1% (10000 Ppm) 4/20 mA Output Explosion-proof Enclosure GG-NH3-1%-EXP CTI Gas Sensor Ammonia 0-1% (10000 Ppm) 4/20 mA Output Explosion-proof Enclosure
    GG-NH3-1%-EXP CTI Gas Sensor Ammonia 0-1% (10000 Ppm) 4/20 mA Output Explosion-proof Enclosure
    Web Price $2,051.00
  30. CTi GG-NH3-1%-RS, Replacement Catalytic Bead Sensor, NH3 seleCTive, plug-in, 0-1% - image 1 CTi GG-NH3-1%-RS, Replacement Catalytic Bead Sensor, NH3 seleCTive, plug-in, 0-1% - image 1
    GG-NH3-1%-RS CTI Replacement Catalytic Bead Sensor, NH3 seleCTIve, plug-in, 0-1%
    Web Price $567.75
  31. CTi GG-NH3-1%-RS-EXP, Explosion-proof 0-1% NH3 Replacement Sensor - image 1 CTi GG-NH3-1%-RS-EXP, Explosion-proof 0-1% NH3 Replacement Sensor - image 1
    GG-NH3-1%-RS-EXP CTI Explosion-proof 0-1% NH3 Replacement Sensor
    Web Price $706.44
  32. GG-NH3-100-EXP CTI Gas Sensor, Ammonia 0-100 ppm, 4/20 mA output, explosion-proof enclosure GG-NH3-100-EXP CTI Gas Sensor, Ammonia 0-100 ppm, 4/20 mA output, explosion-proof enclosure
    GG-NH3-100-EXP CTI Gas Sensor, Ammonia 0-100 ppm, 4/20 mA output, explosion-proof enclosure
    Web Price $1,791.00
  33. GG-NH3-100-ST-SH CTI Gas Sensor, Ammonia 0-100 ppm, 4/20mA output, 18 ga Stainless Steel Enclosure, Super Heat GG-NH3-100-ST-SH CTI Gas Sensor, Ammonia 0-100 ppm, 4/20mA output, 18 ga Stainless Steel Enclosure, Super Heat
    GG-NH3-100-ST-SH CTI Gas Sensor, Ammonia 0-100 ppm, 4/20mA output, 18 ga Stainless Steel Enclosure, Super Heat
    Web Price $2,267.00
  34. GG-NH3-1000-EXP CTI Gas Sensor, Ammonia 0-1000 ppm, 4/20 mA output, explosion-proof enclosure GG-NH3-1000-EXP CTI Gas Sensor, Ammonia 0-1000 ppm, 4/20 mA output, explosion-proof enclosure
    GG-NH3-1000-EXP CTI Gas Sensor, Ammonia 0-1000 ppm, 4/20 mA output, explosion-proof enclosure
    Web Price $1,791.00
  35. GG-NH3-1000-ST CTI Gas Guard NH3, factory range 0-1000 ppm NH3 Ammonia, 4/20 mA output, 18 ga Stainless St GG-NH3-1000-ST CTI Gas Guard NH3, factory range 0-1000 ppm NH3 Ammonia, 4/20 mA output, 18 ga Stainless St
    GG-NH3-1000-ST CTI Gas Guard NH3, factory range 0-1000 ppm NH3 Ammonia, 4/20 mA output, 18 ga Stainless St
    Web Price $1,850.00
  36. CTi GG-NH3-150, Gas Sensor, Ammonia 0-150 ppm, 4/20 mA output, rugged temperature controlled - image 1 CTi GG-NH3-150, Gas Sensor, Ammonia 0-150 ppm, 4/20 mA output, rugged temperature controlled - image 1
    GG-NH3-150 CTI Gas Sensor, Ammonia 0-150 ppm, 4/20 mA output, rugged temperature controlled
    Web Price $1,501.00
  37. GG-NH3-150-ST CTI Gas Sensor, Ammonia 0-100 PPM, 4/20 mA Output, 18 Ga Stainless Steel Enclosure GG-NH3-150-ST CTI Gas Sensor, Ammonia 0-100 PPM, 4/20 mA Output, 18 Ga Stainless Steel Enclosure
    GG-NH3-150-ST CTI Gas Sensor, Ammonia 0-100 PPM, 4/20 mA Output, 18 Ga Stainless Steel Enclosure
    Web Price $1,850.00
  38. GG-NH3-2%-EXP CTI Gas Sensor, Ammonia 0-2% (20,000 ppm), 4/20 mA output, explosion-proof enclosure GG-NH3-2%-EXP CTI Gas Sensor, Ammonia 0-2% (20,000 ppm), 4/20 mA output, explosion-proof enclosure
    GG-NH3-2%-EXP CTI Gas Sensor, Ammonia 0-2% (20,000 ppm), 4/20 mA output, explosion-proof enclosure
    Web Price $2,051.00
  39. GG-NH3-2%-RS-EXP CTI Explosion-proof Replacement Catalytic Bead Sensor head, NH3 seleCTIve, 0-2% GG-NH3-2%-RS-EXP CTI Explosion-proof Replacement Catalytic Bead Sensor head, NH3 seleCTIve, 0-2%
    GG-NH3-2%-RS-EXP CTI Explosion-proof Replacement Catalytic Bead Sensor head, NH3 seleCTIve, 0-2%
    Web Price $706.44
  40. GG-NH3-2%-ST CTI Gas Sensor, Ammonia 0-2% (0-20,000 ppm), 4/20 mA output, ammonia seleCTIve catalytic bead GG-NH3-2%-ST CTI Gas Sensor, Ammonia 0-2% (0-20,000 ppm), 4/20 mA output, ammonia seleCTIve catalytic bead
    GG-NH3-2%-ST CTI Gas Sensor, Ammonia 0-2% (0-20,000 ppm), 4/20 mA output, ammonia seleCTIve catalytic bead
    Web Price $1,903.00
  41. GG-NH3-200-ST CTI Gas Sensor Ammonia 0-200 PPM 4-20 mA Output, 18 Ga Stainless Steel Enclosure GG-NH3-200-ST CTI Gas Sensor Ammonia 0-200 PPM 4-20 mA Output, 18 Ga Stainless Steel Enclosure
    GG-NH3-200-ST CTI Gas Sensor Ammonia 0-200 PPM 4-20 mA Output, 18 Ga Stainless Steel Enclosure
    Web Price $1,850.00
  42. GG-NH3-250-DM CTI Gas Sensor Ammonia 0-250 PPM 4-20 mA Output, Rugged Temperature Controlled GG-NH3-250-DM CTI Gas Sensor Ammonia 0-250 PPM 4-20 mA Output, Rugged Temperature Controlled
    GG-NH3-250-DM CTI Gas Sensor Ammonia 0-250 PPM 4-20 mA Output, Rugged Temperature Controlled
    Web Price $1,791.00
  43. GG-NH3-250-EXP CTI Gas Sensor, Ammonia 0-250 ppm, 4/20 mA output, explosion-proof enclosure GG-NH3-250-EXP CTI Gas Sensor, Ammonia 0-250 ppm, 4/20 mA output, explosion-proof enclosure
    GG-NH3-250-EXP CTI Gas Sensor, Ammonia 0-250 ppm, 4/20 mA output, explosion-proof enclosure
    Web Price $1,791.00
  44. GG-NH3-250-ST CTI Gas Sensor, Ammonia 0-250 ppm, 4/20 mA output, 18 ga Stainless Steel Enclosure GG-NH3-250-ST CTI Gas Sensor, Ammonia 0-250 ppm, 4/20 mA output, 18 ga Stainless Steel Enclosure
    GG-NH3-250-ST CTI Gas Sensor, Ammonia 0-250 ppm, 4/20 mA output, 18 ga Stainless Steel Enclosure
    Web Price $1,850.00
  45. GG-NH3-300-EXP CTI Gas Sensor, Ammonia 0-300 ppm, 4/20 mA output, explosion-proof enclosure GG-NH3-300-EXP CTI Gas Sensor, Ammonia 0-300 ppm, 4/20 mA output, explosion-proof enclosure
    GG-NH3-300-EXP CTI Gas Sensor, Ammonia 0-300 ppm, 4/20 mA output, explosion-proof enclosure
    Web Price $1,791.00
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  1. In Stock, Ships Today 40items
Brand
  1. Goss 1item
  2. Honeywell Analytics 211items
  3. CTI (Calibration Technologies Inc) 993items
  4. Cool Air Inc. 136items
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  6. Draeger 799items
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  10. Honeywell 2504items
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  14. R-EADY Brand 1item
  15. Swagelok 3items
Category
  1. Accessories and Consumables 212items
  2. Ammonia Detectors 97items
  3. Calibration Gases 193items
  4. Calibration Supplies and Bump Testing 3items
  5. Carbon Dioxide Detectors 22items
  6. Carbon Monoxide Detectors 5items
  7. Chlorine Detectors 5items
  8. Control Parts 2items
  9. Controllers 1item
  10. Fixed Detectors 1item
  11. Gas Detection 2288items
  12. Gas Detection Alarm Panels 17items
  13. Gas Detection Horn/Strobe Indicators 7items
  14. Gas Detector Battery Backup 11items
  15. Gas Detector Cable 13items
  16. Gas Detector Calibration Gas 376items
  17. Gas Detector Calibration Kits 13items
  18. Gas Detector Controllers 120items
  19. Gas Detector Entrance Monitors 2items
  20. Gas Detector Lighting/Horns 243items
  21. Gas Detector Miscellaneous 52items
  22. Gas Detector Parts & Accessories 18items
  23. Gas Detector Power Supplies 7items
  24. Gas Detector Replacement Sensors/Cells 81items
  25. Gas Detector Switch Boxes 5items
  26. Gas Detection Tubes 214items
  27. Gas Detector Wash Down Protections 2items
  28. HFC/CFC/HCFC Detectors 103items
  29. Hydrogen Detectors 7items
  30. Hydrogen Sulfide Detectors 5items
  31. Modules & Master Stations 10items
  32. Multi-Gas Detectors 87items
  33. NH3-CO2 Sensors 2items
  34. Nitrogen Dioxide Detectors 5items
  35. Oxygen Detectors 5items
  36. Ozone Detectors 2items
  37. Portable Detectors 36items
  38. Portable Gas Detectors 14items
  39. Portable Single Gas Detectors 32items
  40. Pressure Controls 9items
  41. Pumps 2items
  42. Quote Only 285items
  43. Refrigeration Tools 1item
  44. Safety 1item
  45. Sampling Hoses 24items
  46. Simultaneous Test Sets 6items
  47. Sulfur Dioxide Detectors 6items
  48. Software 5items
  49. Calibration and Bump Testing 8items
  50. Stickers 4items
  51. Portable Gas Detector Sensors 105items
Gas Sensor Type
  1. Chlorine (CL2) 1item
  2. Ozone (O3) 1item
  3. Oxygen/ Carbon Monoxide (O2/CO LC) 1item
  4. Ammonia (NH3) 13items
  5. Nitric Oxide (NO) 1item
  6. Nitrogen Dioxide (NO2 LC) 1item
  7. Hydrogen Cyanide 1item
  8. Phosphine (PH3) 1item
  9. Organic Vapors (OV) 1item
  10. Organic Vapors (OV-A) 1item
  11. Phosgene (COCl2) 1item
  12. Hydrogen Sulfide (H2S) 1item
Maximum Shelf Life
  1. 6 Months 1item
  2. 9 Months 1item
  3. 12 months 1item
  4. 18 Months 4items
  5. 60 Months 1item
Pressure Range PSI
  1. 600 psi 4items
  2. 300 psi 3items
  3. 500 7items
  4. 1000 1item
Product Series
  1. PAC 8000 32items
Sensor Range
  1. 0 - 25 Vol% O2/0 - 2000 ppm CO 1item
  2. 0 - 10 ppm 2items
  3. 0 - 20 ppm 2items
  4. 0 - 50 ppm 2items
  5. 0 - 100 ppm 1item
  6. 0 - 200 ppm 3items
Detection Resolution
  1. 0.1 % (Vol) O2 / 1 ppm CO 1item
  2. 0.01 ppm 2items
  3. 0.02 ppm 1item
  4. 0.1 ppm 3items
  5. 0.5 ppm 1item
  6. 1 ppm 2items