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
8 $2,145.25
    • × Vibration Tachometer Piezoelectric Sensor Contact Photo Rotation Rate TesterVibration Tachometer Piezoelectric Sensor Contact Photo Rotation Rate Tester 1 × $620.14
    • × 2 in 1 Digital Laser Photo Tachometer Non & Contact RPM2 in 1 Digital Laser Photo Tachometer Non & Contact RPM 1 × $97.90
    • × Handheld Digital Laser Non Contact Tachometer, Rotational Speed Measuring Gun, 2.5-99999 RPM & Data RecorderHandheld Digital Laser Non Contact Tachometer, Rotational Speed Measuring Gun, 2.5-99999 RPM & Data Recorder 1 × $87.01
    • × Digital Vibration Meter with LCD, Gauge Tester AnalyzerDigital Vibration Meter with LCD, Gauge Tester Analyzer 1 × $646.58
    • × 2 in 1 Digital Laser Contact & Non Contact Tachometer w/ ft & m/min2 in 1 Digital Laser Contact & Non Contact Tachometer w/ ft & m/min 1 × $119.68
    • × Portable 2-in-1 Tachometer with Noncontact Laser Photo SensorPortable 2-in-1 Tachometer with Noncontact Laser Photo Sensor 1 × $108.36
    • × Landtek Photo Laser Non Contact Tachometer w/ Optional PC Data OutputLandtek Photo Laser Non Contact Tachometer w/ Optional PC Data Output 1 × $411.14
    • × Digital Body Measuring Fat CaliperDigital Body Measuring Fat Caliper 1 × $54.44

    Subtotal: $2,145.25

    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
  • 8
HomeWaterpH MetersPage 2

pH Meters

Showing 49–57 of 57 resultsSorted by price: low to high

←
of 2
  • ORP Meters, pH Meters, Water

    3 in 1 High Accuracy pH / ORP / Temperature Meter

    -18% 3 in 1 High Accuracy pH / ORP / Temperature Meter
    ORP Meters, pH Meters, Water

    3 in 1 High Accuracy pH / ORP / Temperature Meter

    0 out of 5
    (0)
    SKU: 19
    $250.36 $303.63
    Add to cart
  • ORP Meters, pH Meters

    2 in 1 Digital pH & ORP Redox Controller w/ Separate Relays, Repleaceable Electrode & Calibration Solution

    -18% 2 in 1 Digital pH & ORP Redox Controller w/ Separate Relays, Repleaceable Electrode & Calibration Solution
    ORP Meters, pH Meters

    2 in 1 Digital pH & ORP Redox Controller w/ Separate Relays, Repleaceable Electrode & Calibration Solution

    0 out of 5
    (0)
    SKU: 135
    $250.36 $304.72
    Add to cart
  • ORP Meters, pH Meters, Water

    Digital 2 in 1 pH / ORP Controller With Electrodes

    -13% Digital 2 in 1 pH / ORP Controller With Electrodes
    ORP Meters, pH Meters, Water

    Digital 2 in 1 pH / ORP Controller With Electrodes

    0 out of 5
    (0)
    SKU: 17
    $272.14 $313.43
    Add to cart
  • ORP Meters, pH Meters, Salinity, TDS Meters, Water

    6 in 1 Digital Water Quality Meter pH TDS EC Salinity ORP

    -10% 6 in 1 Digital Water Quality Meter pH TDS EC Salinity ORP
    ORP Meters, pH Meters, Salinity, TDS Meters, Water

    6 in 1 Digital Water Quality Meter pH TDS EC Salinity ORP

    0 out of 5
    (0)
    SKU: 15
    $306.59 $340.66
    Add to cart
  • pH Meters, Water

    Digital pH / CO2 Controller With Electrode

    -10% Digital pH / CO2 Controller With Electrode
    pH Meters, Water

    Digital pH / CO2 Controller With Electrode

    0 out of 5
    (0)
    SKU: 20
    $350.70 $389.66
    Add to cart
  • ORP Meters, pH Meters, Water

    Professional 3 in 1 pH / ORP / Temperature Meter

    -10% Professional 3 in 1 pH / ORP / Temperature Meter
    ORP Meters, pH Meters, Water

    Professional 3 in 1 pH / ORP / Temperature Meter

    0 out of 5
    (0)
    SKU: 23
    $351.68 $390.75
    Add to cart
  • pH Meters, TDS Meters

    2 in 1 Combo pH & TDS Mini Tester W/ Replaceable Electrode and Real Time Continuous Monitoring

    -10% 2 in 1 Combo pH & TDS Mini Tester W/ Replaceable Electrode and Real Time Continuous Monitoring
    pH Meters, TDS Meters

    2 in 1 Combo pH & TDS Mini Tester W/ Replaceable Electrode and Real Time Continuous Monitoring

    0 out of 5
    (0)
    SKU: 124
    $357.56 $397.29
    Add to cart
  • ORP Meters, pH Meters

    Digital PH ORP (2 in 1) Controller w/ Electrodes plus CO2 & O3 Relay

    -5% Digital PH ORP (2 in 1) Controller w/ Electrodes plus CO2 & O3 Relay
    ORP Meters, pH Meters

    Digital PH ORP (2 in 1) Controller w/ Electrodes plus CO2 & O3 Relay

    0 out of 5
    (0)
    SKU: 283
    $401.96 $423.42
    Add to cart
  • Instruments, pH Meters, Water

    Dual Relay Digital pH Controller with Temperature Compensation

    -9% Dual Relay Digital pH Controller with Temperature Compensation
    Instruments, pH Meters, Water

    Dual Relay Digital pH Controller with Temperature Compensation

    0 out of 5
    (0)
    SKU: CNT-PH-DUAL-REL-TMP
    $457.27 $500.74
    Add to cart

Showing 49–57 of 57 resultsSorted by price: low to high

  • ←
  • 1
  • 2
    • Show All Categories
      • Air (73)
      • Angle / Range (59)
      • Automotive (46)
      • Durometer (14)
      • Electrical (99)
      • Force Meter (1)
      • Gadgets (51)
      • Gemological (18)
      • Instruments (362)
      • Leucometer (2)
      • Light (69)
      • Photographic (15)
      • Profilometers (5)
      • Radiation (4)
      • Sound (20)
      • Stud / Joints / Wall (1)
      • Temperature (50)
      • Tension Meter (2)
      • Teslameter (1)
      • Thickness Meters (11)
      • Ultrasonic Flaw Detector (2)
      • Vibration Meter (7)
      • Water (135)
    • Water (135)
      • Accessories (24)
      • DO Meters (2)
      • Moisture Meters (18)
      • ORP Meters (21)
      • pH Meters (57)
      • Refractometers (22)
      • Salinity (12)
      • Sensors / Probes (14)
      • Soil pH Meters (5)
      • TDS Meters (23)

Daily Special

Save $15.59
-12% 10x 18mm Handheld Darkfield Loupe with Flashlight

10x 18mm Handheld Darkfield Loupe with Flashlight

$117.07 $132.66
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 $86.42 $141.53
  • Gooseneck Fiber Optic Microscope Illuminator + Color Filters Gooseneck Fiber Optic Microscope Illuminator + Color Filters $590.46 $621.92
  • Auto Range Multifunction Multimeter with HD LCD Screen Digital Auto Range Multifunction Multimeter with HD LCD Screen Digital $76.22 $87.11

Top Rated Products

  • Digital Salinity Salt Meter Waterproof IP65 Digital Salinity Salt Meter Waterproof IP65
    Rated 5.00 out of 5
    $103.35 $159.89
  • Digital pH Meter Digital pH Meter
    Rated 5.00 out of 5
    $28.50 $33.90
  • 4 In 1 Digital Soil pH Meter 4 In 1 Digital Soil pH Meter
    Rated 5.00 out of 5
    $76.96 $83.99
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
8
8
Your Cart
Vibration Tachometer Piezoelectric Sensor Contact Photo Rotation Rate Tester
Vibration Tachometer Piezoelectric Sensor Contact Photo Rotation Rate Tester
Price: $620.14
- +
$620.14
2 in 1 Digital Laser Photo Tachometer Non & Contact RPM
2 in 1 Digital Laser Photo Tachometer Non & Contact RPM
Price: $97.90
- +
$97.90
Handheld Digital Laser Non Contact Tachometer, Rotational Speed Measuring Gun, 2.5-99999 RPM & Data Recorder
Handheld Digital Laser Non Contact Tachometer, Rotational Speed Measuring Gun, 2.5-99999 RPM & Data Recorder
Price: $87.01
- +
$87.01
Digital Vibration Meter with LCD, Gauge Tester Analyzer
Digital Vibration Meter with LCD, Gauge Tester Analyzer
Price: $646.58
- +
$646.58
2 in 1 Digital Laser Contact & Non Contact Tachometer w/ ft & m/min
2 in 1 Digital Laser Contact & Non Contact Tachometer w/ ft & m/min
Price: $119.68
- +
$119.68
Portable 2-in-1 Tachometer with Noncontact Laser Photo Sensor
Portable 2-in-1 Tachometer with Noncontact Laser Photo Sensor
Price: $108.36
- +
$108.36
Landtek Photo Laser Non Contact Tachometer w/ Optional PC Data Output
Landtek Photo Laser Non Contact Tachometer w/ Optional PC Data Output
Price: $411.14
- +
$411.14
Digital Body Measuring Fat Caliper
Digital Body Measuring Fat Caliper
Price: $54.44
- +
$54.44
Subtotal $2,145.25
Shipping, taxes, and discounts calculated at checkout.
View CartContinue ShoppingCheckout