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

Water
Electrical
- EMF Meters
- Multimeters
Cable Testers
Air
Light
Sound
- Sound Level Meters
Angle / Range
Stud / Joints / Wall
- Stud Finders
Temperature
Automotive

Most Popular
Wholesale
My Orders
Contact Us

Email: [email protected]

Shop Instruments

Water
Electrical
- EMF Meters
- Multimeters
Cable Testers
Air
Light
Sound
- Sound Level Meters
Angle / Range
Stud / Joints / Wall
- Stud Finders
Temperature
Automotive

Search for:

Water
Electrical
- EMF Meters
- Multimeters
Cable Testers
Air
Light
Sound
- Sound Level Meters
Angle / Range
Stud / Joints / Wall
- Stud Finders
Temperature
Automotive

Search
Search for:
0

Search for:

HomeWater

Water

Showing 1–48 of 69 results

of 2→

Accessories, Water
pH Calibration Powder 3 Pack
-29%
Accessories, Water
pH Calibration Powder 3 Pack
0 out of 5
(0)
SKU: 29
$9.90 ~~$13.90~~
Add to cart
pH Meters, Water
pH Test Strips
-23%
pH Meters, Water
pH Test Strips
0 out of 5
(0)
SKU: 43
$9.90 ~~$12.90~~
Add to cart
pH Meters, Water
Digital pH Meter
-35%
pH Meters, Water
Digital pH Meter
Rated 5.00 out of 5
(1)
SKU: 2
$25.91 ~~$39.90~~
Add to cart
TDS Meters, Water
Digital TDS Meter
-17%
TDS Meters, Water
Digital TDS Meter
0 out of 5
(0)
SKU: 4
$29.90 ~~$35.90~~
Add to cart
pH Meters
Pocket Size Digital pH meter & Water Quality Tester
-40%
pH Meters
Pocket Size Digital pH meter & Water Quality Tester
0 out of 5
(0)
SKU: 121
$35.90 ~~$59.90~~
Add to cart
pH Meters
Digital Pen Type pH Meter
-28%
pH Meters
Digital Pen Type pH Meter
0 out of 5
(0)
SKU: 130
$35.90 ~~$49.90~~
Add to cart
pH Meters, Soil pH Meters, Water
4 In 1 Digital Soil pH Meter
-51%
pH Meters, Soil pH Meters, Water
4 In 1 Digital Soil pH Meter
Rated 5.00 out of 5
(1)
4 in 1 Digital Soil pH Meter
No Calibration Required
Shipped From Sydney and Melbourne
SKU: 169856
$39.35 ~~$79.90~~
Add to cart
pH Meters, TDS Meters, Water
Digital pH and TDS Meter Combo Pack
-17%
pH Meters, TDS Meters, Water
Digital pH and TDS Meter Combo Pack
0 out of 5
(0)
SKU: 5
$49.90 ~~$59.90~~
Add to cart
pH Meters
Pen Type Digital PH Meter & Hydroponics Water Quality Tester
-29%
pH Meters
Pen Type Digital PH Meter & Hydroponics Water Quality Tester
0 out of 5
(0)
SKU: 119
$49.90 ~~$69.90~~
Add to cart
Moisture Meters, Water
Digital 2 Pin Moisture Meter Wood / Sawn Timber / Paper / Plaster
-15%
Moisture Meters, Water
Digital 2 Pin Moisture Meter Wood / Sawn Timber / Paper / Plaster
0 out of 5
(0)
SKU: 7
$55.90 ~~$65.90~~
Add to cart
Accessories, Water
Optional RS232 CD Software & USB Cable Datalogger
-14%
Accessories, Water
Optional RS232 CD Software & USB Cable Datalogger
0 out of 5
(0)
SKU: 31
$59.90 ~~$69.91~~
Add to cart
Sensors / Probes, Water
pH BNC Electrode 70cm
-14%
Sensors / Probes, Water
pH BNC Electrode 70cm
0 out of 5
(0)
SKU: 53
$59.90 ~~$69.91~~
Add to cart
Sensors / Probes, Water
Heavy Duty pH BNC Electrode 300cm
-14%
Sensors / Probes, Water
Heavy Duty pH BNC Electrode 300cm
0 out of 5
(0)
SKU: 54
$59.90 ~~$69.91~~
Add to cart
Sensors / Probes, Water
High Accuracy pH BNC Electrode 300cm
-14%
Sensors / Probes, Water
High Accuracy pH BNC Electrode 300cm
0 out of 5
(0)
SKU: 55
$59.90 ~~$69.91~~
Add to cart
Sensors / Probes, Water
Replaceable pH BNC Electrode Probe
-14%
Sensors / Probes, Water
Replaceable pH BNC Electrode Probe
0 out of 5
(0)
SKU: 56
$59.90 ~~$69.91~~
Add to cart
pH Meters
Digital Pen Type pH Meter & Thermometer
-33%
pH Meters
Digital Pen Type pH Meter & Thermometer
0 out of 5
(0)
SKU: 120
$59.90 ~~$89.90~~
Add to cart
Water
3 in 1 Soil pH, Moisture & Light Meter for Gardening and Water Quality Monitoring
-14%
Water
3 in 1 Soil pH, Moisture & Light Meter for Gardening and Water Quality Monitoring
0 out of 5
(0)
SKU: 241
$59.90 ~~$69.91~~
Add to cart
Water
3 Way Testing Kit for Soil, Light and Moisture W/ Gloves
-25%
Water
3 Way Testing Kit for Soil, Light and Moisture W/ Gloves
0 out of 5
(0)
SKU: 243
$59.90 ~~$79.90~~
Add to cart
Accessories, Water
Optional ORP Electrode For Professional 6 in 1 Digital Water Quality Meter
-22%
Accessories, Water
Optional ORP Electrode For Professional 6 in 1 Digital Water Quality Meter
0 out of 5
(0)
SKU: 28
$69.90 ~~$89.90~~
Add to cart
Sensors / Probes, Water
Heavy Duty ORP BNC Electrode 300cm
-13%
Sensors / Probes, Water
Heavy Duty ORP BNC Electrode 300cm
0 out of 5
(0)
SKU: 71
$69.90 ~~$79.90~~
Add to cart
pH Meters, Water
pH Monitor With 1 Meter Fixed Cable
-30%
pH Meters, Water
pH Monitor With 1 Meter Fixed Cable
0 out of 5
(0)
SKU: 18
$69.91 ~~$99.90~~
Add to cart
Water
Handheld 3 In 1 Soil pH, Moisture & Light Meter Tester for Plants and Gardening
-22%
Water
Handheld 3 In 1 Soil pH, Moisture & Light Meter Tester for Plants and Gardening
0 out of 5
(0)
SKU: 242
$69.91 ~~$89.90~~
Add to cart
pH Meters
Pocket Sized PH Meter & Water Quality Tester with Flexible Display
-20%
pH Meters
Pocket Sized PH Meter & Water Quality Tester with Flexible Display
0 out of 5
(0)
SKU: 127
$79.90 ~~$99.90~~
Add to cart
pH Meters, TDS Meters
Pen Type 3 in 1 pH / TDS / Temperature Meter Combo
-25%
pH Meters, TDS Meters
Pen Type 3 in 1 pH / TDS / Temperature Meter Combo
0 out of 5
(0)
SKU: 131
$89.00 ~~$119.00~~
Add to cart
Moisture Meters, Water
Digital Non Invasive Inductive Moisture Meter Wood Drywall Masonry
-10%
Moisture Meters, Water
Digital Non Invasive Inductive Moisture Meter Wood Drywall Masonry
0 out of 5
(0)
SKU: 6
$89.90 ~~$99.90~~
Add to cart
Refractometers, Water
Refractometer For Sucrose, Honey, Fruits, Vegetables
-18%
Refractometers, Water
Refractometer For Sucrose, Honey, Fruits, Vegetables
0 out of 5
(0)
SKU: 45
$89.90 ~~$109.89~~
Add to cart
Refractometers, Water
Refractometer For Car Battery Fluids, Antifreeze, Cleaning Fluids
-18%
Refractometers, Water
Refractometer For Car Battery Fluids, Antifreeze, Cleaning Fluids
0 out of 5
(0)
SKU: 46
$89.90 ~~$109.89~~
Add to cart
Refractometers, Water
Refractometer For Wine, Grape, Alcohol
-18%
Refractometers, Water
Refractometer For Wine, Grape, Alcohol
0 out of 5
(0)
SKU: 47
$89.90 ~~$109.89~~
Add to cart
Refractometers, Water
Refractometer For Traditional Salinity, Salt Water, Brine
-18%
Refractometers, Water
Refractometer For Traditional Salinity, Salt Water, Brine
0 out of 5
(0)
SKU: 48
$89.90 ~~$109.89~~
Add to cart
Refractometers, Water
Refractometer For Adblue, Ethylene, Propylene, Urea
-18%
Refractometers, Water
Refractometer For Adblue, Ethylene, Propylene, Urea
0 out of 5
(0)
SKU: 49
$89.90 ~~$109.89~~
Add to cart
pH Meters
Pen Type Digital pH Meter & Water Quality Tester W/ Probe
-9%
pH Meters
Pen Type Digital pH Meter & Water Quality Tester W/ Probe
0 out of 5
(0)
SKU: 123
$99.90 ~~$109.90~~
Add to cart
pH Meters
Combined pH & Chlorine Meter for Swimming Pool & Spa
-9%
pH Meters
Combined pH & Chlorine Meter for Swimming Pool & Spa
0 out of 5
(0)
SKU: 125
$99.90 ~~$109.90~~
Add to cart
Moisture Meters, Water
Handheld Portable Digital Grain Moisture Meter W/ 5~30% Range
-17%
Moisture Meters, Water
Handheld Portable Digital Grain Moisture Meter W/ 5~30% Range
0 out of 5
(0)
SKU: 240
$99.90 ~~$119.90~~
Add to cart
pH Meters, Water
Digital pH Meter IP65 Rated Waterproof
-15%
pH Meters, Water
Digital pH Meter IP65 Rated Waterproof
0 out of 5
(0)
SKU: 1526535658428
$109.90 ~~$129.90~~
Add to cart
TDS Meters, Water
Digital TDS / EC / Conductivity Meter IP65 Waterproof
-15%
TDS Meters, Water
Digital TDS / EC / Conductivity Meter IP65 Waterproof
0 out of 5
(0)
SKU: 5255225
$109.90 ~~$129.90~~
Add to cart
Salinity, TDS Meters, Water
Digital Salinity Salt Meter Waterproof IP65
-15%
Salinity, TDS Meters, Water
Digital Salinity Salt Meter Waterproof IP65
Rated 5.00 out of 5
(1)
Waterproof Rating: IP65
Salinity Range: 0.00~10.0 ppt (NaCL) and 10.1~70.0ppt (NaCL)
Temperature Compensation: 0~50°C
SKU: 21
$109.90 ~~$129.90~~
Add to cart
ORP Meters, Water
2 in 1 Digital ORP Temperature Meter Waterproof
-15%
ORP Meters, Water
2 in 1 Digital ORP Temperature Meter Waterproof
0 out of 5
(0)
SKU: 51
$109.90 ~~$129.90~~
Add to cart
pH Meters, TDS Meters
3 in 1 Conductivity EC, pH & Temperature Meter Multi Parameter Tester
-15%
pH Meters, TDS Meters
3 in 1 Conductivity EC, pH & Temperature Meter Multi Parameter Tester
0 out of 5
(0)
SKU: 117
$109.90 ~~$129.90~~
Add to cart
pH Meters
Waterproof pH meter w/ Temperature + Auto Calibration
-15%
pH Meters
Waterproof pH meter w/ Temperature + Auto Calibration
0 out of 5
(0)
SKU: 122
$109.90 ~~$129.90~~
Add to cart
pH Meters
2 in 1 Continuous Temperature & PH Monitor w/ Backlight & Replaceable Electrode
-15%
pH Meters
2 in 1 Continuous Temperature & PH Monitor w/ Backlight & Replaceable Electrode
0 out of 5
(0)
SKU: 128
$109.90 ~~$129.90~~
Add to cart
pH Meters
2 in 1 Combo pH & Temperature Meter w/ Replaceable BNC pH Electrode W/ Real Time Continuous Monitoring
-15%
pH Meters
2 in 1 Combo pH & Temperature Meter w/ Replaceable BNC pH Electrode W/ Real Time Continuous Monitoring
0 out of 5
(0)
SKU: 129
$109.90 ~~$129.90~~
Add to cart
pH Meters, TDS Meters
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
$119.00
Add to cart
ORP Meters, Water
Digital ORP Meter IP65 Waterproof
-16%
ORP Meters, Water
Digital ORP Meter IP65 Waterproof
0 out of 5
(0)
SKU: 38
$119.90 ~~$142.89~~
Add to cart
pH Meters, Soil pH Meters, Water
Waterproof Soil pH / Moisture Solar Meter Solar Powered
-22%
pH Meters, Soil pH Meters, Water
Waterproof Soil pH / Moisture Solar Meter Solar Powered
0 out of 5
(0)
SKU: 50
$119.90 ~~$153.89~~
Add to cart
pH Meters
Waterproof 2 in 1 pH & Temperature Meter, ATC & Digital Water Quality Tester
-20%
pH Meters
Waterproof 2 in 1 pH & Temperature Meter, ATC & Digital Water Quality Tester
0 out of 5
(0)
SKU: 115
$119.90 ~~$149.90~~
Add to cart
pH Meters
Digital Waterproof Pen Type pH Meter & Thermometer W/ 1 Touch Multi Calibration & Pouch
-13%
pH Meters
Digital Waterproof Pen Type pH Meter & Thermometer W/ 1 Touch Multi Calibration & Pouch
0 out of 5
(0)
SKU: 114
$129.90 ~~$149.90~~
Add to cart
pH Meters, TDS Meters
PH & EC Conductivity Monitor Meter & Water Quality Tester W/ Real Time Continuous Monitoring
-22%
pH Meters, TDS Meters
PH & EC Conductivity Monitor Meter & Water Quality Tester W/ Real Time Continuous Monitoring
0 out of 5
(0)
SKU: 118
$139.90 ~~$179.90~~
Add to cart
ORP Meters, pH Meters
3 in 1 Pen Type ORP / PH & Temperature Combo Meter W/ ATC
-26%
ORP Meters, pH Meters
3 in 1 Pen Type ORP / PH & Temperature Combo Meter W/ ATC
0 out of 5
(0)
SKU: 126
$139.90 ~~$189.90~~
Add to cart

Showing 1–48 of 69 results

1
2
→

- Show All Categories
- Water (69)

Daily Special

Save $20.00

12V Battery Powered Automotive Fuel Injector Diagnostic Tool w/ 4 Diagnostic Modes

$99.90 ~~$119.90~~

Already Sold: 0 Available: 50000

0

Onsale Products

Network Cable Tester & Cable Length Meter w/ Single Jack $139.90 ~~$189.90~~
Single Non Contact Voltage Detector Pen $19.90 ~~$27.90~~
Industrial Infrared Thermal Imager Handheld Infrared Thermal Imaging Camera $359.90 ~~$399.91~~

Top Rated Products

Digital pH Meter
Rated 5.00 out of 5
$25.91 ~~$39.90~~
4 In 1 Digital Soil pH Meter
Rated 5.00 out of 5
$39.35 ~~$79.90~~
Digital Salinity Salt Meter Waterproof IP65
Rated 5.00 out of 5
$109.90 ~~$129.90~~

Discount Instruments is 100% Australian Owned and Operated.

Contact Us

PO BOX 71
St Marys, NSW, 1790

Submit a Request

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
Rated 5 out of 5
by Andy M
Digital Salinity Salt Meter Waterproof IP65
Rated 5 out of 5
by Rob R
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
Rated 5 out of 5
by Andy M
Digital Salinity Salt Meter Waterproof IP65
Rated 5 out of 5
by Rob R
Digital pH Meter
Rated 5 out of 5
by Michael Y

Contact Us

Submit A Request
Send Us An Email

0

Your Cart is Empty