Skip to navigation Skip to content
  • Discount Instruments is 100% Australian Owned
  • All prices are in AUD and include GST.
  • All Orders Are Shipped From Sydney
  • My Account
  • Track Your Order
  • Checkout
Discount Instruments
  • Water
    • Accessories
    • DO Meters
    • Moisture Meters
    • ORP Meters
    • pH Meters
    • Refractometers
    • Salinity
    • Soil pH Meters
    • Sensors / Probes
    • TDS Meters
  • Electrical
    • EMF Meters
    • Multimeters
  • Cable Testers
    • Fibre Tester
    • Wire Trackers
    • Network Tester
  • Air
    • CO2 Meters
    • Hygrometers
    • Leak Detector
    • Manometers
    • Ozone Generator
  • Light
    • Lux Meters
    • Ring Lights / Illuminators
    • Tint Meters
    • Gloss Meters
    • PAR Meters
  • Sound
    • Sound Level Meters
  • Angle / Range
    • Protractors
    • Range Finders
    • Laser Level
    • Measurement
  • Stud / Joints / Wall
    • Stud Finders
  • Temperature
    • IR Thermometers
    • Thermocouplers
    • Weather Stations
    • Thermal Imagers
  • Automotive
    • Car Paint Thickness Meters
    • Inspection Cameras
    • Tachometers / Stroboscopes
    • Vehicle Diagnostics
  • Photographic
    • Body Camera
  • Most Popular
  • Wholesale
  • My Orders
  • Contact Us
Email: [email protected]
Shop Instruments
  • Water
    • Accessories
    • DO Meters
    • Moisture Meters
    • ORP Meters
    • pH Meters
    • Refractometers
    • Salinity
    • Soil pH Meters
    • Sensors / Probes
    • TDS Meters
  • Electrical
    • EMF Meters
    • Multimeters
  • Cable Testers
    • Fibre Tester
    • Wire Trackers
    • Network Tester
  • Air
    • CO2 Meters
    • Hygrometers
    • Leak Detector
    • Manometers
    • Ozone Generator
  • Light
    • Lux Meters
    • Ring Lights / Illuminators
    • Tint Meters
    • Gloss Meters
    • PAR Meters
  • Sound
    • Sound Level Meters
  • Angle / Range
    • Protractors
    • Range Finders
    • Laser Level
    • Measurement
  • Stud / Joints / Wall
    • Stud Finders
  • Temperature
    • IR Thermometers
    • Thermocouplers
    • Weather Stations
    • Thermal Imagers
  • Automotive
    • Car Paint Thickness Meters
    • Inspection Cameras
    • Tachometers / Stroboscopes
    • Vehicle Diagnostics
  • Photographic
    • Body Camera
13 $2,594.90
    • × Digital EMF / RF / ELF Triple Axis Gauss Meter 50Hz-3.5GHzDigital EMF / RF / ELF Triple Axis Gauss Meter 50Hz-3.5GHz 1 × $280.50
    • × Portable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas DetectionPortable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas Detection 1 × $260.27
    • × High Resolution Portable Thermal Infrared Imager, 160x120 ResolutionHigh Resolution Portable Thermal Infrared Imager, 160x120 Resolution 1 × $395.99
    • × Compact AC & DC Digital Multimeter and Diode TesterCompact AC & DC Digital Multimeter and Diode Tester 1 × $69.20
    • × Handheld Mini Network Line TesterHandheld Mini Network Line Tester 1 × $39.50
    • × High-Resolution Thermal Imager with PC Software Analyzer for Fault MaintenanceHigh-Resolution Thermal Imager with PC Software Analyzer for Fault Maintenance 1 × $619.99
    • × Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V)Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V) 1 × $42.20
    • × Handheld Automotive Battery Tester / Diagnostic CheckerHandheld Automotive Battery Tester / Diagnostic Checker 1 × $89.00
    • × Digital Coating Thickness Meter w/ F & FN ProbesDigital Coating Thickness Meter w/ F & FN Probes 1 × $301.00
    • × Professional High & Low Voltage Electrical Wire TrackerProfessional High & Low Voltage Electrical Wire Tracker 1 × $155.94
    • × Handheld Digital Moisture Meter for Wood, Cotton, Paper And MoreHandheld Digital Moisture Meter for Wood, Cotton, Paper And More 1 × $168.20
    • × Digital Non Invasive Inductive Moisture Meter Wood Drywall MasonryDigital Non Invasive Inductive Moisture Meter Wood Drywall Masonry 1 × $89.00
    • × Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4 1 × $84.11

    Subtotal: $2,594.90

    View cartCheckout

  • Water
    • Accessories
    • DO Meters
    • Moisture Meters
    • ORP Meters
    • pH Meters
    • Refractometers
    • Salinity
    • Soil pH Meters
    • Sensors / Probes
    • TDS Meters
  • Electrical
    • EMF Meters
    • Multimeters
  • Cable Testers
    • Fibre Tester
    • Wire Trackers
    • Network Tester
  • Air
    • CO2 Meters
    • Hygrometers
    • Leak Detector
    • Manometers
    • Ozone Generator
  • Light
    • Lux Meters
    • Ring Lights / Illuminators
    • Tint Meters
    • Gloss Meters
    • PAR Meters
  • Sound
    • Sound Level Meters
  • Angle / Range
    • Protractors
    • Range Finders
    • Laser Level
    • Measurement
  • Stud / Joints / Wall
    • Stud Finders
  • Temperature
    • IR Thermometers
    • Thermocouplers
    • Weather Stations
    • Thermal Imagers
  • Automotive
    • Car Paint Thickness Meters
    • Inspection Cameras
    • Tachometers / Stroboscopes
    • Vehicle Diagnostics
  • Photographic
    • Body Camera
Discount Instruments
  • Search
  • 13
HomeAirLeak Detector

Leak Detector

Showing all 11 resultsSorted by price: low to high

  • Instruments, Leak Detector

    Combustible Gas Leak Detector for Methane and LPG

    -22% Combustible Gas Leak Detector for Methane and LPG
    Instruments, Leak Detector

    Combustible Gas Leak Detector for Methane and LPG

    0 out of 5
    (0)
    SKU: DET-GAS-CMB-MTH-LPG
    $50.89 $65.16
    Add to cart
  • Air, Instruments, Leak Detector

    Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4

    -15% Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4
    Air, Instruments, Leak Detector

    Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4

    0 out of 5
    (0)
    SKU: ALM-GAS-WIFI-LPG
    $84.11 $98.96
    Add to cart
  • Air, Instruments, Leak Detector

    Gas Leak Detector for Combustible Gas with Portable Design

    -18% Gas Leak Detector for Combustible Gas with Portable Design
    Air, Instruments, Leak Detector

    Gas Leak Detector for Combustible Gas with Portable Design

    0 out of 5
    (0)
    SKU: DET-GAS-CMB-PORT
    $112.37 $136.44
    Add to cart
  • Air, Instruments, Leak Detector

    Ultrasonic Leak Detector & Transmitter Detects Air Water Dust

    -25% Ultrasonic Leak Detector & Transmitter Detects Air Water Dust
    Air, Instruments, Leak Detector

    Ultrasonic Leak Detector & Transmitter Detects Air Water Dust

    0 out of 5
    (0)
    SKU: DET-ULT-LK-TRNS
    $117.91 $157.23
    Add to cart
  • Instruments, Leak Detector

    Hydrogen Sulfide Detector, 0~100ppm, Electrochemical

    -39% Hydrogen Sulfide Detector, 0~100ppm, Electrochemical
    Instruments, Leak Detector

    Hydrogen Sulfide Detector, 0~100ppm, Electrochemical

    0 out of 5
    (0)
    SKU: DET-H2S-100PPM-ECHM
    $127.02 $206.73
    Add to cart
  • Instruments, Leak Detector

    Halogen Leak Detector, Sensitive and Accurate

    -11% Halogen Leak Detector, Sensitive and Accurate
    Instruments, Leak Detector

    Halogen Leak Detector, Sensitive and Accurate

    0 out of 5
    (0)
    SKU: N1-406NF-HALOGEN-LEAK-DETECTOR
    $158.39 $178.19
    Add to cart
  • Air, Leak Detector, Instruments

    Natural Gas Detector Gas Sniffer Gas Leak Detector Locating

    -20% Natural Gas Detector Gas Sniffer Gas Leak Detector Locating
    Air, Leak Detector, Instruments

    Natural Gas Detector Gas Sniffer Gas Leak Detector Locating

    0 out of 5
    (0)
    SKU: DET-GAS-NAT-SNR
    $166.62 $207.72
    Add to cart
  • Gadgets, Instruments, Leak Detector

    Landtek Ultrasonic Transmitter, 40 KHz Frequency, Portable

    -20% Landtek Ultrasonic Transmitter, 40 KHz Frequency, Portable
    Gadgets, Instruments, Leak Detector

    Landtek Ultrasonic Transmitter, 40 KHz Frequency, Portable

    0 out of 5
    (0)
    SKU: TRM-ULTR-40KHZ
    $199.13 $247.49
    Add to cart
  • Air, Instruments, Leak Detector

    Precision Gas Leak Detector for Methane and Propane

    -8% Precision Gas Leak Detector for Methane and Propane
    Air, Instruments, Leak Detector

    Precision Gas Leak Detector for Methane and Propane

    0 out of 5
    (0)
    SKU: DET-GAS-MTH-PRP
    $228.00 $247.91
    Add to cart
  • Air, Leak Detector, Instruments

    Portable Hydrogen Sulfide Gas Detector (H₂S) 1500 Record Alarm

    -19% Portable Hydrogen Sulfide Gas Detector (H₂S) 1500 Record Alarm
    Air, Leak Detector, Instruments

    Portable Hydrogen Sulfide Gas Detector (H₂S) 1500 Record Alarm

    0 out of 5
    (0)
    SKU: DET-H2S-PORT-ALRM
    $233.35 $289.10
    Add to cart
  • Air, Air Quality Meters, CO2 Meters, Instruments, Leak Detector

    Portable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas Detection

    -8% Portable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas Detection
    Air, Air Quality Meters, CO2 Meters, Instruments, Leak Detector

    Portable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas Detection

    0 out of 5
    (0)
    SKU: DET-4GAS-PORT-CO-H2S-O2
    $260.27 $283.95
    Add to cart

Showing all 11 resultsSorted by price: low to high

    • Show All Categories
      • Air (34)
      • Angle / Range (43)
      • Automotive (11)
      • Durometer (13)
      • Electrical (23)
      • Force Meter (1)
      • Gadgets (50)
      • Gemological (12)
      • Instruments (365)
      • Leucometer (2)
      • Light (26)
      • Photographic (12)
      • Profilometers (5)
      • Radiation (4)
      • Sound (10)
      • Stud / Joints / Wall (1)
      • Temperature (31)
      • Tension Meter (2)
      • Teslameter (1)
      • Thickness Meters (11)
      • Ultrasonic Flaw Detector (2)
      • Vibration Meter (7)
      • Water (71)
    • Air (73)
      • Anemometers (10)
      • CO2 Meters (20)
      • Hygrometers (8)
      • Leak Detector (11)
      • Manometers (7)
      • Ozone Generator (6)
      • Air Quality Meters (14)
      • Humidity Meters (6)

Daily Special

Save $14.17
-12% 10x 18mm Handheld Darkfield Loupe with Flashlight

10x 18mm Handheld Darkfield Loupe with Flashlight

$106.43 $120.60
Already Sold: 0 Available: 50000
0

Onsale Products

  • USB Cable with RS232 CD Software and 2.5mm Diameter Jack - For Landtek Water Activity Meter USB Cable with RS232 CD Software and 2.5mm Diameter Jack - For Landtek Water Activity Meter $78.56 $128.66
  • Gooseneck Fiber Optic Microscope Illuminator + Color Filters Gooseneck Fiber Optic Microscope Illuminator + Color Filters $536.78 $565.38
  • Auto Range Multifunction Multimeter with HD LCD Screen Digital Auto Range Multifunction Multimeter with HD LCD Screen Digital $69.29 $79.19

Top Rated Products

  • Digital Salinity Salt Meter Waterproof IP65 Digital Salinity Salt Meter Waterproof IP65
    Rated 5.00 out of 5
    $93.95 $145.35
  • Digital pH Meter Digital pH Meter
    Rated 5.00 out of 5
    $25.91 $30.82
  • 4 In 1 Digital Soil pH Meter 4 In 1 Digital Soil pH Meter
    Rated 5.00 out of 5
    $69.96 $76.35
Discount Instruments is 100% Australian Owned and Operated.

Contact Us

Submit a Help Request

[email protected]

Customer Service

  • My Account
  • Orders
  • About Us
  • Shipping
  • Returns / Refunds
  • Terms & Conditions
  • Privacy Policy
  • Contact Us

Quick Links

  • Water Quality Testing
  • Air Quality Testing
  • Sound Level Testing
  • Cable Testing
  • Light Level Testing
  • Electrical Testing

Find It Fast

  • Refractometers
  • ORP Meters
  • Hygrometers
  • pH Meters
  • Soil pH Meters
  • TDS Meters
  • EMF Meters

Recent reviews

  • 4 In 1 Digital Soil pH Meter 4 In 1 Digital Soil pH Meter
    Rated 5 out of 5
    by Andy M
  • Digital Salinity Salt Meter Waterproof IP65 Digital Salinity Salt Meter Waterproof IP65
    Rated 5 out of 5
    by Rob R
  • Digital pH Meter Digital pH Meter
    Rated 5 out of 5
    by Michael Y
Copyright 2023 Discount instruments | All prices are in AUD and include GST

Customer Service

  • My Account
  • Orders
  • About Us
  • Shipping
  • Returns / Refunds
  • Terms & Conditions
  • Privacy Policy
  • Contact Us

Recent reviews

  • 4 In 1 Digital Soil pH Meter 4 In 1 Digital Soil pH Meter
    Rated 5 out of 5
    by Andy M
  • Digital Salinity Salt Meter Waterproof IP65 Digital Salinity Salt Meter Waterproof IP65
    Rated 5 out of 5
    by Rob R
  • Digital pH Meter Digital pH Meter
    Rated 5 out of 5
    by Michael Y

Contact Us

  • Submit A Request
  • Send Us An Email
Discount Instruments
13
13
Your Cart
Digital EMF / RF / ELF Triple Axis Gauss Meter 50Hz-3.5GHz
Digital EMF / RF / ELF Triple Axis Gauss Meter 50Hz-3.5GHz
Price: $280.50
- +
$280.50
Portable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas Detection
Portable 4-Gas Detector for CO, H₂S, O₂, EX (LEL) Gas Detection
Price: $260.27
- +
$260.27
High Resolution Portable Thermal Infrared Imager, 160x120 Resolution
High Resolution Portable Thermal Infrared Imager, 160x120 Resolution
Price: $395.99
- +
$395.99
Compact AC & DC Digital Multimeter and Diode Tester
Compact AC & DC Digital Multimeter and Diode Tester
Price: $69.20
- +
$69.20
Handheld Mini Network Line Tester
Handheld Mini Network Line Tester
Price: $39.50
- +
$39.50
High-Resolution Thermal Imager with PC Software Analyzer for Fault Maintenance
High-Resolution Thermal Imager with PC Software Analyzer for Fault Maintenance
Price: $619.99
- +
$619.99
Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V)
Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V)
Price: $42.20
- +
$42.20
Handheld Automotive Battery Tester / Diagnostic Checker
Handheld Automotive Battery Tester / Diagnostic Checker
Price: $89.00
- +
$89.00
Digital Coating Thickness Meter w/ F & FN Probes
Digital Coating Thickness Meter w/ F & FN Probes
Price: $301.00
- +
$301.00
Professional High & Low Voltage Electrical Wire Tracker
Professional High & Low Voltage Electrical Wire Tracker
Price: $155.94
- +
$155.94
Handheld Digital Moisture Meter for Wood, Cotton, Paper And More
Handheld Digital Moisture Meter for Wood, Cotton, Paper And More
Price: $168.20
- +
$168.20
Digital Non Invasive Inductive Moisture Meter Wood Drywall Masonry
Digital Non Invasive Inductive Moisture Meter Wood Drywall Masonry
Price: $89.00
- +
$89.00
Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4
Smart Wifi Natural Gas Alarm Sensor for LPG and Methane CH4
Price: $84.11
- +
$84.11
Subtotal $2,594.90
Shipping, taxes, and discounts calculated at checkout.
View CartContinue ShoppingCheckout