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  • Water
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14 $2,432.86
    • × Voice Activated Recorder with Magnetic Mini Design (64GB)Voice Activated Recorder with Magnetic Mini Design (64GB) 1 × $88.61
    • × Digital pH Meter IP65 Rated WaterproofDigital pH Meter IP65 Rated Waterproof 1 × $89.00
    • × Automotive Repair Tool Set with Socket ToolsAutomotive Repair Tool Set with Socket Tools 1 × $98.99
    • × Five Port Network Cable Tester and Wire TrackerFive Port Network Cable Tester and Wire Tracker 1 × $162.57
    • × Split Type Digital Light Lux Meter with Temperature MeasurementSplit Type Digital Light Lux Meter with Temperature Measurement 1 × $96.03
    • × pH Calibration Powder 3 PackpH Calibration Powder 3 Pack 1 × $9.80
    • × Digital Light Lux Meter 50,000 Lux with LCD for Laboratory and Photography and moreDigital Light Lux Meter 50,000 Lux with LCD for Laboratory and Photography and more 1 × $69.20
    • × Comprehensive Gemstone Identification Kit (9 Pieces)Comprehensive Gemstone Identification Kit (9 Pieces) 1 × $643.20
    • × Industrial Video Borescope w/ Water Resistant Camera Head & LCDIndustrial Video Borescope w/ Water Resistant Camera Head & LCD 1 × $158.30
    • × Digital Light FC Meter Tester with LCD and Illuminance GaugeDigital Light FC Meter Tester with LCD and Illuminance Gauge 1 × $324.16
    • × Digital Function Signal Generator Multimeter (0.2Hz-2MHz)Digital Function Signal Generator Multimeter (0.2Hz-2MHz) 1 × $286.70
    • × Professional Diamond and Moissanite Tester, Factory CalibratedProfessional Diamond and Moissanite Tester, Factory Calibrated 1 × $255.82
    • × Professional Digital Multimeter w/ HD Colour Touch Screen & NCV Lighting FunctionsProfessional Digital Multimeter w/ HD Colour Touch Screen & NCV Lighting Functions 1 × $89.00
    • × High Accuracy pH Electrode with Calibration Powder (0-14 pH)High Accuracy pH Electrode with Calibration Powder (0-14 pH) 1 × $61.48

    Subtotal: $2,432.86

    View cartCheckout

  • Water
    • Accessories
    • DO Meters
    • Moisture Meters
    • ORP Meters
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    • Salinity
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    • Sound Level Meters
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  • 14
HomeWaterSensors / Probes

Sensors / Probes

Showing all 14 resultsSorted by price: low to high

  • Gadgets, Instruments, Sensors / Probes

    Electronic Water Level Alarm with Power Lamp & Groove

    -10% Electronic Water Level Alarm with Power Lamp & Groove
    Gadgets, Instruments, Sensors / Probes

    Electronic Water Level Alarm with Power Lamp & Groove

    0 out of 5
    (0)
    SKU: ALM-WTR-LVL-PWR-GRV
    $44.46 $49.46
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  • Instruments, pH Meters, Sensors / Probes

    Digital Pen-Type pH Meter Tester with 0.00 – 14.00 pH Range

    -11% Digital Pen-Type pH Meter Tester with 0.00 - 14.00 pH Range
    Instruments, pH Meters, Sensors / Probes

    Digital Pen-Type pH Meter Tester with 0.00 – 14.00 pH Range

    0 out of 5
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    SKU: TST-PH-PEN-0.00-14.00
    $49.40 $55.54
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  • Accessories, Instruments, pH Meters, Sensors / Probes

    Replacement Electrode for pH Meters PHM-224, TDS-240, ECM-226

    -9% Replacement Electrode for pH Meters PHM-224, TDS-240, ECM-226
    Accessories, Instruments, pH Meters, Sensors / Probes

    Replacement Electrode for pH Meters PHM-224, TDS-240, ECM-226

    0 out of 5
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    SKU: ELE-PH-REPL
    $50.19 $55.28
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  • Accessories, Instruments, Sensors / Probes

    Replaceable Electrode with Cap for pH Temperature Pen

    -7% Replaceable Electrode with Cap for pH Temperature Pen
    Accessories, Instruments, Sensors / Probes

    Replaceable Electrode with Cap for pH Temperature Pen

    0 out of 5
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    SKU: ELE-PH-TMP
    $54.45 $58.57
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  • Accessories, Instruments, pH Meters, Sensors / Probes

    Replacement pH Electrode with Calibration Powder, 0-14 pH

    -25% Replacement pH Electrode with Calibration Powder, 0-14 pH
    Accessories, Instruments, pH Meters, Sensors / Probes

    Replacement pH Electrode with Calibration Powder, 0-14 pH

    0 out of 5
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    SKU: PH-ELC-RPL-CAL
    $58.61 $78.23
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  • Accessories, Instruments, pH Meters, Sensors / Probes

    Accurate & Fast Combination pH Electrode with Long BNC Connector

    -26% Accurate & Fast Combination pH Electrode with Long BNC Connector
    Accessories, Instruments, pH Meters, Sensors / Probes

    Accurate & Fast Combination pH Electrode with Long BNC Connector

    0 out of 5
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    SKU: PH-ELC-CMB-LNG-BNC
    $58.94 $79.85
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  • Sensors / Probes, Water

    pH BNC Electrode 70cm

    -22% pH BNC Electrode 70cm
    Sensors / Probes, Water

    pH BNC Electrode 70cm

    0 out of 5
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    SKU: 53
    $59.30 $76.05
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  • Sensors / Probes, Water

    Heavy Duty pH BNC Electrode 300cm

    -23% Heavy Duty pH BNC Electrode 300cm
    Sensors / Probes, Water

    Heavy Duty pH BNC Electrode 300cm

    0 out of 5
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    SKU: 54
    $59.30 $77.04
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  • Sensors / Probes, Water

    High Accuracy pH BNC Electrode 300cm

    -24% High Accuracy pH BNC Electrode 300cm
    Sensors / Probes, Water

    High Accuracy pH BNC Electrode 300cm

    0 out of 5
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    SKU: 55
    $59.30 $78.03
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  • Sensors / Probes, Water

    Replaceable pH BNC Electrode Probe

    -25% Replaceable pH BNC Electrode Probe
    Sensors / Probes, Water

    Replaceable pH BNC Electrode Probe

    0 out of 5
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    SKU: 56
    $59.30 $79.02
    Add to cart
  • Accessories, Instruments, pH Meters, Sensors / Probes

    High Accuracy pH Electrode with Calibration Powder (0-14 pH)

    -24% High Accuracy pH Electrode with Calibration Powder (0-14 pH)
    Accessories, Instruments, pH Meters, Sensors / Probes

    High Accuracy pH Electrode with Calibration Powder (0-14 pH)

    0 out of 5
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    SKU: PH-ELC-HGH-ACC-CAL
    $61.48 $80.60
    Add to cart
  • Sensors / Probes, Water

    Heavy Duty ORP BNC Electrode 300cm

    -36% Heavy Duty ORP BNC Electrode 300cm
    Sensors / Probes, Water

    Heavy Duty ORP BNC Electrode 300cm

    0 out of 5
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    SKU: 71
    $69.20 $107.73
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  • Accessories, Instruments, pH Meters, Sensors / Probes

    pH and Chlorine Level Water Quality Tester

    -32% pH and Chlorine Level Water Quality Tester
    Accessories, Instruments, pH Meters, Sensors / Probes

    pH and Chlorine Level Water Quality Tester

    0 out of 5
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    SKU: TST-PH-CHL-WTR
    $118.37 $173.86
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  • Accessories, Instruments, Moisture Meters, Sensors / Probes, Water

    Landtek Water Activity Meter for Food Water Activity Measurement

    -6% Landtek Water Activity Meter for Food Water Activity Measurement
    Accessories, Instruments, Moisture Meters, Sensors / Probes, Water

    Landtek Water Activity Meter for Food Water Activity Measurement

    0 out of 5
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    SKU: MET-WATR-ACTV
    $887.63 $947.27
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Daily Special

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

10x 18mm Handheld Darkfield Loupe with Flashlight

$106.43 $120.60
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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
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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

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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

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Discount Instruments
14
14
Your Cart
Voice Activated Recorder with Magnetic Mini Design (64GB)
Voice Activated Recorder with Magnetic Mini Design (64GB)
Price: $88.61
- +
$88.61
Digital pH Meter IP65 Rated Waterproof
Digital pH Meter IP65 Rated Waterproof
Price: $89.00
- +
$89.00
Automotive Repair Tool Set with Socket Tools
Automotive Repair Tool Set with Socket Tools
Price: $98.99
- +
$98.99
Five Port Network Cable Tester and Wire Tracker
Five Port Network Cable Tester and Wire Tracker
Price: $162.57
- +
$162.57
Split Type Digital Light Lux Meter with Temperature Measurement
Split Type Digital Light Lux Meter with Temperature Measurement
Price: $96.03
- +
$96.03
pH Calibration Powder 3 Pack
pH Calibration Powder 3 Pack
Price: $9.80
- +
$9.80
Digital Light Lux Meter 50,000 Lux with LCD for Laboratory and Photography and more
Digital Light Lux Meter 50,000 Lux with LCD for Laboratory and Photography and more
Price: $69.20
- +
$69.20
Comprehensive Gemstone Identification Kit (9 Pieces)
Comprehensive Gemstone Identification Kit (9 Pieces)
Price: $643.20
- +
$643.20
Industrial Video Borescope w/ Water Resistant Camera Head & LCD
Industrial Video Borescope w/ Water Resistant Camera Head & LCD
Price: $158.30
- +
$158.30
Digital Light FC Meter Tester with LCD and Illuminance Gauge
Digital Light FC Meter Tester with LCD and Illuminance Gauge
Price: $324.16
- +
$324.16
Digital Function Signal Generator Multimeter (0.2Hz-2MHz)
Digital Function Signal Generator Multimeter (0.2Hz-2MHz)
Price: $286.70
- +
$286.70
Professional Diamond and Moissanite Tester, Factory Calibrated
Professional Diamond and Moissanite Tester, Factory Calibrated
Price: $255.82
- +
$255.82
Professional Digital Multimeter w/ HD Colour Touch Screen & NCV Lighting Functions
Professional Digital Multimeter w/ HD Colour Touch Screen & NCV Lighting Functions
Price: $89.00
- +
$89.00
High Accuracy pH Electrode with Calibration Powder (0-14 pH)
High Accuracy pH Electrode with Calibration Powder (0-14 pH)
Price: $61.48
- +
$61.48
Subtotal $2,432.86
Shipping, taxes, and discounts calculated at checkout.
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