Translation missing: en.sections.collection_template.title: Detector

Accurate & Reliable Safety Tools – Buy Detectors Online at The Tools Man

When safety is your priority, you need tools that deliver accuracy and dependability. At The Tools Man, you can Buy Detectors Online that help identify hazards before they become costly problems. From combustible gases to hidden metal objects, our Gas, Leak & Metal Detection Gear is designed to help professionals across industries work smarter and safer.

Whether you’re a contractor, technician, engineer, or homeowner, our detection tools are essential for preventive maintenance, safety compliance, and effective troubleshooting.

Stay Ahead of Risk with Smart Gas, Leak & Metal Detection Gear

  • Gas detectors for detecting combustible gases like methane, propane, and butane
  • Leak detectors for HVAC, refrigeration, plumbing, and automotive systems
  • Metal detectors for locating hidden wiring, pipes, studs, and fasteners in walls or underground
  • Multifunctional testers that combine several detection features into one compact device

Each tool is built to deliver clear, real-time readings and is perfect for both on-the-go jobs and scheduled inspections.

Why Buy Detectors Online from The Tools Man?

  • Highly sensitive sensors with fast response times
  • Lightweight, ergonomic designs for ease of use
  • Digital LCD displays and audible alarms for instant feedback
  • Long battery life for extended fieldwork
  • Tools that meet industrial safety standards

Whether you’re checking for a gas leak or scanning for hidden metal in a wall, our Gas, Leak & Metal Detection Gear ensures peace of mind with every use.

Ideal for Multiple Industries & Applications

  • HVAC and Refrigeration: Detect refrigerant leaks to avoid system failures
  • Construction: Find hidden pipes and wires before drilling or cutting
  • Plumbing: Locate water or gas leaks without tearing down walls
  • Automotive: Diagnose system leaks in AC units or fuel systems
  • DIY Home Maintenance: Make safe renovations and upgrades with precision tools

From home users to commercial professionals, everyone benefits from advanced detection gear that simplifies safety checks and diagnostics.

Shop with Confidence from The Tools Man

When you Buy Detectors Online from The Tools Man, you get more than just reliable tools – you get expert-backed support, detailed product information, fast delivery, and competitive pricing. Each tool is chosen for its performance and reliability, ensuring that you get only the best for your work.


Don’t take chances with safety – Buy Detectors Online at The Tools Man today and equip yourself with high-quality Gas, Leak & Metal Detection Gear trusted by professionals nationwide!

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  • Combustible Gas Detector
    SKU G4652855
    Categories Detector
    Description Combustible Gas Detector, Detects Butane, Natural Gas, Propane, LED Alarm Indicator, Features Smart Alarm, Battery (4) AA, Includes Case, Manufacturers Warranty Length 1 yr

    graingerSKU: 38D901, mscSKU: , zoro_no: G4652855, mongo_id: 65bbe7759a749db82273b57f

    $547.49 / each
    Web price
    Combustible Gas Detector
    SKU G4652855
    Categories Detector
    Description Combustible Gas Detector, Detects Butane, Natural Gas, Propane, LED Alarm Indicator, Features Smart Alarm, Battery (4) AA, Includes Case, Manufacturers Warranty Length 1 yr

    graingerSKU: 38D901, mscSKU: , zoro_no: G4652855, mongo_id: 65bbe7759a749db82273b57f

  • Combustible Gas Leak Detector1/Press Kit
    SKU G8521213
    Categories Detector
    Description Combustible Gas Leak Detector and Pressure Kit, Detects Acetone, Alcohol, Ammonia, Benzene, Butane, Ethylene Oxide, Gasoline, Halon, Hydrogen Sulfide, Industrial Solvents, Jet Fuel, Lacquer Thinners, Methane, Naphtha, Natural Gas, Propane, Refrigerants, Toluene, Battery AA, Includes 1/4 In. NPT to Hose Barb Adapter, 6CMT9 digial manometer, 8EUN6 combustible gas leak detector, Batteries, Instructions, Sample Tube, Manufacturers Warranty Length 1 yr

    graingerSKU: 36H167, mscSKU: , zoro_no: G8521213, mongo_id: 65bbe8729a749db82279174e

    $379.99 / each
    Web price
    Combustible Gas Leak Detector1/Press Kit
    SKU G8521213
    Categories Detector
    Description Combustible Gas Leak Detector and Pressure Kit, Detects Acetone, Alcohol, Ammonia, Benzene, Butane, Ethylene Oxide, Gasoline, Halon, Hydrogen Sulfide, Industrial Solvents, Jet Fuel, Lacquer Thinners, Methane, Naphtha, Natural Gas, Propane, Refrigerants, Toluene, Battery AA, Includes 1/4 In. NPT to Hose Barb Adapter, 6CMT9 digial manometer, 8EUN6 combustible gas leak detector, Batteries, Instructions, Sample Tube, Manufacturers Warranty Length 1 yr

    graingerSKU: 36H167, mscSKU: , zoro_no: G8521213, mongo_id: 65bbe8729a749db82279174e

  • NIST Certified Combustible Gas Leak Detector, 9V Battery
    SKU G4444968
    Categories Detector
    Description Combustible Gas Leak Detector, Detects Acetone, Acetylene, Alcohol, Ammonia, Butane, Combustible Refrigerants, Gasoline, Hydrogen Sulfide, Methane, Naphtha, Natural Gas, Propane, Smoke, Solvents, Steam, Thinners, Volatile Jet Fuel, Accuracy 50 ppm Methane, Audible, Visual Indicator, Class 3, SELV, Battery 9V, Height 8 in, Width 4 in, Depth 18 in, Calibration Certificate Included Yes, NIST, Includes Battery, Manufacturers Warranty Length 1 yr

    graingerSKU: 49CK92, mscSKU: , zoro_no: G4444968, mongo_id: 65bbe8729a749db82279174d

    $349.99 / each
    Web price
    NIST Certified Combustible Gas Leak Detector, 9V Battery
    SKU G4444968
    Categories Detector
    Description Combustible Gas Leak Detector, Detects Acetone, Acetylene, Alcohol, Ammonia, Butane, Combustible Refrigerants, Gasoline, Hydrogen Sulfide, Methane, Naphtha, Natural Gas, Propane, Smoke, Solvents, Steam, Thinners, Volatile Jet Fuel, Accuracy 50 ppm Methane, Audible, Visual Indicator, Class 3, SELV, Battery 9V, Height 8 in, Width 4 in, Depth 18 in, Calibration Certificate Included Yes, NIST, Includes Battery, Manufacturers Warranty Length 1 yr

    graingerSKU: 49CK92, mscSKU: , zoro_no: G4444968, mongo_id: 65bbe8729a749db82279174d

  • Combustible Gas Leak Detector
    SKU G4148261
    Categories Detector
    Description Combustible Gas Leak Detector, Detects Acetone, Alcohol, Ammonia, Benzene, Butane, Ethylene Oxide, Gasoline, Halon, Hydrogen Sulfide, Industrial Solvents, Jet Fuel, Lacquer Thinners, Methane, Naphtha, Natural Gas, Propane, Refrigerants, Toluene, Measuring Range 50 ppm (Methane), Audio and Visual Tic Rate Indicator, Features Fully Adjustable Thumbwheel, Battery 9V, Height 8 in, Width 4 in, Depth 1 1/2 in, Includes Battery, Detector, Manual, Manufacturers Warranty Length 1 yr

    graingerSKU: 8EUN6, mscSKU: , zoro_no: G4148261, mongo_id: 65bbe9bf22d7a989a997683b

    $249.99 / each
    Web price
    Combustible Gas Leak Detector
    SKU G4148261
    Categories Detector
    Description Combustible Gas Leak Detector, Detects Acetone, Alcohol, Ammonia, Benzene, Butane, Ethylene Oxide, Gasoline, Halon, Hydrogen Sulfide, Industrial Solvents, Jet Fuel, Lacquer Thinners, Methane, Naphtha, Natural Gas, Propane, Refrigerants, Toluene, Measuring Range 50 ppm (Methane), Audio and Visual Tic Rate Indicator, Features Fully Adjustable Thumbwheel, Battery 9V, Height 8 in, Width 4 in, Depth 1 1/2 in, Includes Battery, Detector, Manual, Manufacturers Warranty Length 1 yr

    graingerSKU: 8EUN6, mscSKU: , zoro_no: G4148261, mongo_id: 65bbe9bf22d7a989a997683b

  • Combust Gas Detector, 0 to 999 ppm
    SKU G5213512
    Categories Detector
    Description Combustible Gas Detector, Detects Butane, Diesel, Gasoline, Kerosene, Methane, Natural Gas, Propane, Measuring Range 0 to 999 ppm, Accuracy +/-10 Percent, Audible, Visual Indicator, Features LEL Percent Reading 2.1 Percent to 100 Percent, CE Listed, UL-913 Approved, Battery (3) C, Height 10 in, Width 3 1/2 in, Depth 1 1/2 in, Includes Batteries, Detector, Zippered Soft Case, Manufacturers Warranty Length 2 yr

    graingerSKU: 36M829, mscSKU: , zoro_no: G5213512, mongo_id: 65bbe6853aaddbd5a9036adf

    $672.49 / each
    Web price
    Combust Gas Detector, 0 to 999 ppm
    SKU G5213512
    Categories Detector
    Description Combustible Gas Detector, Detects Butane, Diesel, Gasoline, Kerosene, Methane, Natural Gas, Propane, Measuring Range 0 to 999 ppm, Accuracy +/-10 Percent, Audible, Visual Indicator, Features LEL Percent Reading 2.1 Percent to 100 Percent, CE Listed, UL-913 Approved, Battery (3) C, Height 10 in, Width 3 1/2 in, Depth 1 1/2 in, Includes Batteries, Detector, Zippered Soft Case, Manufacturers Warranty Length 2 yr

    graingerSKU: 36M829, mscSKU: , zoro_no: G5213512, mongo_id: 65bbe6853aaddbd5a9036adf

  • Combustible Gas Detector Replacement, Tip
    SKU G4683682
    Categories Detector
    Description Replacement Tip, For Use With Carbon Monoxide and Combustion Gas Leak Detector, Model TPI 775

    graingerSKU: 3KXH8, mscSKU: , zoro_no: G4683682, mongo_id: 65bbe90822d7a989a992ea90

    $56.94 / each
    Web price
    Combustible Gas Detector Replacement, Tip
    SKU G4683682
    Categories Detector
    Description Replacement Tip, For Use With Carbon Monoxide and Combustion Gas Leak Detector, Model TPI 775

    graingerSKU: 3KXH8, mscSKU: , zoro_no: G4683682, mongo_id: 65bbe90822d7a989a992ea90

  • Combustible Gas Leak Detector Pen Style
    SKU G6622975
    Categories Detector
    Description Combustible Gas Leak Detector Pen Style
    $80.56 / each
    Web price
    Combustible Gas Leak Detector Pen Style
    SKU G6622975
    Categories Detector
    Description Combustible Gas Leak Detector Pen Style
  • Combust Gas Detector, 10 ppm, Aud and Vis
    SKU G5193352
    Categories Detector
    Description Combustible Gas Detector, Detects Combustible Gases, Measuring Range 10 ppm, Audible, Visual Indicator, Features 16 in Flexible Probe, Earphone Jack, Low Power Semiconductor Sensor, Sensor Test and Automatic Zero at Startup, Thumbwheel Adjustable Tic Rate, Battery (3) C Alkaline, Includes Gas Detector, Soft Carrying Pouch

    graingerSKU: 3JYN1, mscSKU: , zoro_no: G5193352, mongo_id: 65bbe99e22d7a989a9968223

    $177.49 / each
    Web price
    Combust Gas Detector, 10 ppm, Aud and Vis
    SKU G5193352
    Categories Detector
    Description Combustible Gas Detector, Detects Combustible Gases, Measuring Range 10 ppm, Audible, Visual Indicator, Features 16 in Flexible Probe, Earphone Jack, Low Power Semiconductor Sensor, Sensor Test and Automatic Zero at Startup, Thumbwheel Adjustable Tic Rate, Battery (3) C Alkaline, Includes Gas Detector, Soft Carrying Pouch

    graingerSKU: 3JYN1, mscSKU: , zoro_no: G5193352, mongo_id: 65bbe99e22d7a989a9968223

  • Combustible Gas Detector
    SKU G5960683
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent Volume Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent v/v, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in

    graingerSKU: 36T509, mscSKU: , zoro_no: G5960683, mongo_id: 65bbe9e622d7a989a9984d8a

    $2,802.49 / each
    Web price
    Combustible Gas Detector
    SKU G5960683
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent Volume Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent v/v, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in

    graingerSKU: 36T509, mscSKU: , zoro_no: G5960683, mongo_id: 65bbe9e622d7a989a9984d8a

  • Combustible Gas Detector
    SKU G6006183
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in

    graingerSKU: 36T566, mscSKU: , zoro_no: G6006183, mongo_id: 65bbe8729a749db82279174b

    $1,574.99 / each
    Web price
    Combustible Gas Detector
    SKU G6006183
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in

    graingerSKU: 36T566, mscSKU: , zoro_no: G6006183, mongo_id: 65bbe8729a749db82279174b

  • Combustible Gas Detector
    SKU G7473532
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in, Includes Batteries, Case, Gas Detector Internal Pump, Wrist Strap

    graingerSKU: 36T582, mscSKU: , zoro_no: G7473532, mongo_id: 65bbe7a09a749db822749a00

    $1,761.24 / each
    Web price
    Combustible Gas Detector
    SKU G7473532
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in, Includes Batteries, Case, Gas Detector Internal Pump, Wrist Strap

    graingerSKU: 36T582, mscSKU: , zoro_no: G7473532, mongo_id: 65bbe7a09a749db822749a00

  • Combustible Gas Detector
    SKU G7608081
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in

    graingerSKU: 36T581, mscSKU: , zoro_no: G7608081, mongo_id: 65bbe90822d7a989a992ea8b

    $1,304.99 / each
    Web price
    Combustible Gas Detector
    SKU G7608081
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, UL Classifieds Only as to Intrinsic Safety in Class 1, Div 1, Groups C and D, Battery (3) C Alkaline, Height 11 1/2 in, Width 3 in, Depth 2 5/16 in

    graingerSKU: 36T581, mscSKU: , zoro_no: G7608081, mongo_id: 65bbe90822d7a989a992ea8b

  • Combustible Gas Detector
    SKU G7542412
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, Battery (3) C Alkaline Rechargeable, Height 10 in, Width 3 1/2 in, Depth 1 5/8 in, Includes Batteries, Case, Gas Detector, Instruction Manual, Wrench, Wrist Strap, Manufacturers Warranty Length 2 yr

    graingerSKU: 36T593, mscSKU: , zoro_no: G7542412, mongo_id: 65bbe92e22d7a989a993cf19

    $769.63 / each
    Web price
    Combustible Gas Detector
    SKU G7542412
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 50 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, Battery (3) C Alkaline Rechargeable, Height 10 in, Width 3 1/2 in, Depth 1 5/8 in, Includes Batteries, Case, Gas Detector, Instruction Manual, Wrench, Wrist Strap, Manufacturers Warranty Length 2 yr

    graingerSKU: 36T593, mscSKU: , zoro_no: G7542412, mongo_id: 65bbe92e22d7a989a993cf19

  • Combustible Gas Detector
    SKU G7459846
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 10 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, Battery (3) C Alkaline, Height 10 in, Width 3 1/2 in, Depth 1 5/8 in, Includes Batteries, Gas Detector, Instruction Manual, Pouch, Wrench, Wrist Strap, Manufacturers Warranty Length 2 yr

    graingerSKU: 36T592, mscSKU: , zoro_no: G7459846, mongo_id: 65bbe6413aaddbd5a901a186

    $728.74 / each
    Web price
    Combustible Gas Detector
    SKU G7459846
    Categories Detector
    Description Combustible Gas Detector, Detects Methane, Propane, Butane and More, Measuring Range 10 ppm to 100 Percent LEL Methane, Propane, Accuracy +/-10 Percent, Audible, Direct Read Display, Visual Indicator, Features 16 in Probe, Direct Reading up to 100 Percent LEL, Instantaneous Response, Battery (3) C Alkaline, Height 10 in, Width 3 1/2 in, Depth 1 5/8 in, Includes Batteries, Gas Detector, Instruction Manual, Pouch, Wrench, Wrist Strap, Manufacturers Warranty Length 2 yr

    graingerSKU: 36T592, mscSKU: , zoro_no: G7459846, mongo_id: 65bbe6413aaddbd5a901a186

  • Combustible Gas Detector, Alarm
    SKU G4037358
    Categories Detector
    Description Combustible Gas Detector, Detects Acetone, Acetylene, Butane, Ethane, Gasoline, Isobutene, Methanol, Natural Gas, Propane, Measuring Range Greater Than 5 ppm (Methane), Accuracy 5 ppm Methane, Alarm Indicator, Features Automatic Calibration, Resets to Ambient, Stable Sensor, MSHA Certified, Battery (4) AA, Height 16 1/2 in, Width 4 in, Depth 3 in, Includes Carrying Case, Manufacturers Warranty Length 2 yr

    graingerSKU: 48ZJ74, mscSKU: , zoro_no: G4037358, mongo_id: 65bbe87122d7a989a98f55cb

    $467.49 / each
    Web price
    Combustible Gas Detector, Alarm
    SKU G4037358
    Categories Detector
    Description Combustible Gas Detector, Detects Acetone, Acetylene, Butane, Ethane, Gasoline, Isobutene, Methanol, Natural Gas, Propane, Measuring Range Greater Than 5 ppm (Methane), Accuracy 5 ppm Methane, Alarm Indicator, Features Automatic Calibration, Resets to Ambient, Stable Sensor, MSHA Certified, Battery (4) AA, Height 16 1/2 in, Width 4 in, Depth 3 in, Includes Carrying Case, Manufacturers Warranty Length 2 yr

    graingerSKU: 48ZJ74, mscSKU: , zoro_no: G4037358, mongo_id: 65bbe87122d7a989a98f55cb

  • Combustible Gas Detector
    SKU G4298201
    Categories Detector
    Description Combustible Gas Detector, Detects Ammonia, Butane, Cyclopentane, Ethane, Ethanol, Isobutane, Methane, Natural Gas, Propane, Accuracy 1 ppm Gasoline, 5 ppm Methane, Hydrogen, Isobutane (R600a), Propane (R290), Audible Noise, Multiple LEDs Indicator, Battery (2) Duracell MN1300 D Alkaline, Height 26 in, Width 3 in, Depth 3 in, Includes (2) D-Size Batteries, Hydrocarbon Gas Sensor, Plastic Carrying Case, Manufacturers Warranty Length 3 yr

    graingerSKU: 12N633, mscSKU: , zoro_no: G4298201, mongo_id: 65bbea1022d7a989a99931af

    $327.49 / each
    Web price
    Combustible Gas Detector
    SKU G4298201
    Categories Detector
    Description Combustible Gas Detector, Detects Ammonia, Butane, Cyclopentane, Ethane, Ethanol, Isobutane, Methane, Natural Gas, Propane, Accuracy 1 ppm Gasoline, 5 ppm Methane, Hydrogen, Isobutane (R600a), Propane (R290), Audible Noise, Multiple LEDs Indicator, Battery (2) Duracell MN1300 D Alkaline, Height 26 in, Width 3 in, Depth 3 in, Includes (2) D-Size Batteries, Hydrocarbon Gas Sensor, Plastic Carrying Case, Manufacturers Warranty Length 3 yr

    graingerSKU: 12N633, mscSKU: , zoro_no: G4298201, mongo_id: 65bbea1022d7a989a99931af