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
Photographic
- Body Camera

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
Photographic
- Body Camera

Search for:

- × Screen Tension Tester with 7~40N/cm Range for Steel Mesh 1 × $592.02
- × Heavy Duty ORP BNC Electrode 300cm 1 × $69.20
- × 3 in 1 Soil pH, Moisture & Light Meter for Gardening and Water Quality Monitoring 1 × $59.30
- × Digital pH Meter 1 × $25.91
Subtotal: $746.43
View cart Checkout

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

Search
Search for:
4

Search for:

HomeWaterPage 2

Water

Showing 49–96 of 135 resultsSorted by price: low to high

of 3→

Instruments, Refractometers
Brix Refractometer 0-32% with ATC for Sugars, Brandy, Beer, and Juices
-52%
Instruments, Refractometers
Brix Refractometer 0-32% with ATC for Sugars, Brandy, Beer, and Juices
0 out of 5
(0)
SKU: REF-BRX-0-32ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Beer Brix Refractometer with ATC, Dual Scale for Brix and Specific Gravity
-52%
Instruments, Refractometers
Beer Brix Refractometer with ATC, Dual Scale for Brix and Specific Gravity
0 out of 5
(0)
SKU: REF-BRX-BEER-ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Salinity & Brix Refractometer with Triple Scale and ATC for Density Measurement
-52%
Instruments, Refractometers
Salinity & Brix Refractometer with Triple Scale and ATC for Density Measurement
0 out of 5
(0)
SKU: REF-BRX-SAL-ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity)
-52%
Instruments, Refractometers
Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity)
0 out of 5
(0)
SKU: REF-BRX-SAL-0-32ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Clinical Refractometer with ATC, Tri Scale for Serum Protein, Urine SG, and RI Measurement
-52%
Instruments, Refractometers
Clinical Refractometer with ATC, Tri Scale for Serum Protein, Urine SG, and RI Measurement
0 out of 5
(0)
SKU: REF-CLN-TRI-ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Clinical Refractometer with ATC Tri-Scale for Serum Protein and Urine SG
-52%
Instruments, Refractometers
Clinical Refractometer with ATC Tri-Scale for Serum Protein and Urine SG
0 out of 5
(0)
SKU: REF-CLN-TRI
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Salinity Refractometer with 0-10% ATC Dual Scale (0~100ppt)
-52%
Instruments, Refractometers
Salinity Refractometer with 0-10% ATC Dual Scale (0~100ppt)
0 out of 5
(0)
SKU: REF-SAL-0-10ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Alcohol Refractometer Dual Scale with ATC, 0~80% Range
-52%
Instruments, Refractometers
Alcohol Refractometer Dual Scale with ATC, 0~80% Range
0 out of 5
(0)
SKU: REF-ALC-0-80ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers
Brix Refractometer with ATC, 0-32% Brix, 0.2% Division
-52%
Instruments, Refractometers
Brix Refractometer with ATC, 0-32% Brix, 0.2% Division
0 out of 5
(0)
SKU: REF-BRX-0-32-ATC
$69.56 ~~$146.34~~
Add to cart
Instruments, Refractometers, Salinity
Handheld Salinity Refractometer with Built-in LED, 0-10% ATC
-60%
Instruments, Refractometers, Salinity
Handheld Salinity Refractometer with Built-in LED, 0-10% ATC
0 out of 5
(0)
SKU: REF-SAL-LED-10-ATC
$69.56 ~~$174.06~~
Add to cart
pH Meters, Soil pH Meters, Water
4 In 1 Digital Soil pH Meter
-8%
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
$69.96 ~~$76.35~~
Add to cart
Instruments, ORP Meters
Pen-type Redox Meter Digital LCD for Pool Aquarium ORP Water Quality
-42%
Instruments, ORP Meters
Pen-type Redox Meter Digital LCD for Pool Aquarium ORP Water Quality
0 out of 5
(0)
SKU: MTR-REDOX-POOL-ORP
$73.66 ~~$126.74~~
Add to cart
Instruments, Moisture Meters, Soil pH Meters
Soil pH and Moisture Meter with 2-in-1 Testing (308mm Long Waterproof)
-9%
Instruments, Moisture Meters, Soil pH Meters
Soil pH and Moisture Meter with 2-in-1 Testing (308mm Long Waterproof)
1 review
0 out of 5
(0)
SKU: MET-SOIL-PH-MST
$77.52 ~~$84.96~~
Add to cart
Accessories, Instruments, ORP Meters, Water
ORP Redox Electrode with BNC Connector 50 ohm BNC
-27%
Accessories, Instruments, ORP Meters, Water
ORP Redox Electrode with BNC Connector 50 ohm BNC
0 out of 5
(0)
SKU: ELE-ORP-BNC
$78.71 ~~$108.52~~
Add to cart
pH Meters
Pocket Sized PH Meter & Water Quality Tester with Flexible Display
-41%
pH Meters
Pocket Sized PH Meter & Water Quality Tester with Flexible Display
0 out of 5
(0)
SKU: 127
$79.10 ~~$134.46~~
Add to cart
Instruments, ORP Meters
ORP REDOX Meter, -1999 ~ 1999mV, Durable and Accurate
-3%
Instruments, ORP Meters
ORP REDOX Meter, -1999 ~ 1999mV, Durable and Accurate
0 out of 5
(0)
SKU: MTR-ORP-1999MV-DGT
$85.69 ~~$88.52~~
Add to cart
pH Meters
2 in 1 Continuous Temperature & PH Monitor w/ Backlight & Replaceable Electrode
-13%
pH Meters
2 in 1 Continuous Temperature & PH Monitor w/ Backlight & Replaceable Electrode
0 out of 5
(0)
SKU: 128
$86.03 ~~$98.69~~
Add to cart
EC Meter, Instruments, ORP Meters, pH Meters, Salinity, TDS Meters, Water
7-in-1 Pen Type Water Quality Tester (pH, TDS, EC, ORP, Salinity, SG, Temp)
-24%
EC Meter, Instruments, ORP Meters, pH Meters, Salinity, TDS Meters, Water
7-in-1 Pen Type Water Quality Tester (pH, TDS, EC, ORP, Salinity, SG, Temp)
1 review
0 out of 5
(0)
SKU: TST-WTR-7IN1-PEN
$86.63 ~~$113.67~~
Add to cart
pH Meters, TDS Meters
Pen Type 3 in 1 pH / TDS / Temperature Meter Combo
-38%
pH Meters, TDS Meters
Pen Type 3 in 1 pH / TDS / Temperature Meter Combo
0 out of 5
(0)
SKU: 131
$88.11 ~~$141.39~~
Add to cart
Instruments, ORP Meters
ORP Redox Meter Tester for Aquariums, Pools, and Spa (Range: -1999~1999mV)
-20%
Instruments, ORP Meters
ORP Redox Meter Tester for Aquariums, Pools, and Spa (Range: -1999~1999mV)
0 out of 5
(0)
SKU: TST-ORP-AQU-POOL-SPA
$88.61 ~~$110.70~~
Add to cart
EC Meter, Instruments, pH Meters, Temperature
3-in-1 pH / EC / Temperature Meter ATC Waterproof Pen Type Tester
-31%
EC Meter, Instruments, pH Meters, Temperature
3-in-1 pH / EC / Temperature Meter ATC Waterproof Pen Type Tester
0 out of 5
(0)
SKU: MET-PH-EC-TEMP-ATC
$88.61 ~~$128.52~~
Add to cart
pH Meters, Water
Digital pH Meter IP65 Rated Waterproof
-37%
pH Meters, Water
Digital pH Meter IP65 Rated Waterproof
0 out of 5
(0)
IP grade: IP65 Waterproof
Measuring range: 0~14pH
Accuracy : ±0.2pH
Resolution : 0.1pH
SKU: 1526535658428
$89.00 ~~$142.38~~
Add to cart
Moisture Meters, Water
Digital Non Invasive Inductive Moisture Meter Wood Drywall Masonry
-38%
Moisture Meters, Water
Digital Non Invasive Inductive Moisture Meter Wood Drywall Masonry
0 out of 5
(0)
SKU: 6
$89.00 ~~$144.36~~
Add to cart
pH Meters
Digital Waterproof Pen Type pH Meter & Thermometer W/ 1 Touch Multi Calibration & Pouch
-44%
pH Meters
Digital Waterproof Pen Type pH Meter & Thermometer W/ 1 Touch Multi Calibration & Pouch
0 out of 5
(0)
SKU: 114
$89.00 ~~$158.22~~
Add to cart
Instruments, Salinity, TDS Meters, Temperature
4-in-1 Water Quality Tester (TDS, Temperature, S.G., Salt Salinity)
-39%
Instruments, Salinity, TDS Meters, Temperature
4-in-1 Water Quality Tester (TDS, Temperature, S.G., Salt Salinity)
0 out of 5
(0)
SKU: TST-WTR-4IN1
$89.00 ~~$145.35~~
Add to cart
Gadgets, Instruments, Moisture Meters
Skin & Facial Moisture Analyzer with LCD Monitor
-18%
Gadgets, Instruments, Moisture Meters
Skin & Facial Moisture Analyzer with LCD Monitor
0 out of 5
(0)
SKU: ANL-MOIS-LCD
$89.09 ~~$108.32~~
Add to cart
Accessories, Instruments, Salinity, Temperature
Digital Salinity and Temperature Meter for Salt Water Quality
-33%
Accessories, Instruments, Salinity, Temperature
Digital Salinity and Temperature Meter for Salt Water Quality
0 out of 5
(0)
SKU: SAL-TMP-WTR-DGT
$93.85 ~~$140.40~~
Add to cart
Salinity, TDS Meters, Water
Digital Salinity Salt Meter Waterproof IP65
-35%
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
Ideal for Salt Water Pools
SKU: 21
$93.95 ~~$145.35~~
Add to cart
Accessories, EC Meter, Instruments, pH Meters, Temperature
3-in-1 pH, EC, and Temperature Waterproof Water Quality Tester
-17%
Accessories, EC Meter, Instruments, pH Meters, Temperature
3-in-1 pH, EC, and Temperature Waterproof Water Quality Tester
0 out of 5
(0)
SKU: TST-PH-EC-TMP-WP
$95.63 ~~$114.61~~
Add to cart
TDS Meters, Water
Digital TDS / EC / Conductivity Meter IP65 Waterproof
-31%
TDS Meters, Water
Digital TDS / EC / Conductivity Meter IP65 Waterproof
1 review
0 out of 5
(0)
SKU: 5255225
$98.90 ~~$143.37~~
Add to cart
ORP Meters, Water
Digital ORP Meter IP65 Waterproof
-44%
ORP Meters, Water
Digital ORP Meter IP65 Waterproof
0 out of 5
(0)
Waterproof Rating: IP65
Easy to read LCD display
Measuring Range: -999mV to +999mV
SKU: 38
$98.90 ~~$178.02~~
Add to cart
pH Meters
Pen Type Digital pH Meter & Water Quality Tester W/ Probe
-45%
pH Meters
Pen Type Digital pH Meter & Water Quality Tester W/ Probe
0 out of 5
(0)
SKU: 123
$98.90 ~~$180.99~~
Add to cart
Moisture Meters, Water
Handheld Portable Digital Grain Moisture Meter W/ 5~30% Range
-47%
Moisture Meters, Water
Handheld Portable Digital Grain Moisture Meter W/ 5~30% Range
0 out of 5
(0)
SKU: 240
$98.90 ~~$185.94~~
Add to cart
Accessories, Instruments, pH Meters
pH Monitor Meter with ATC, 0~14pH, Power Adaptor, for Aquarium and Hydroponics
-20%
Accessories, Instruments, pH Meters
pH Monitor Meter with ATC, 0~14pH, Power Adaptor, for Aquarium and Hydroponics
0 out of 5
(0)
SKU: MTR-PH-ATC-AQU-HYD
$98.90 ~~$123.62~~
Add to cart
Accessories, Electrical, Instruments
Ultrasonic Cleaner for Denture Cleaning (45kHz, 255ML)
-17%
Accessories, Electrical, Instruments
Ultrasonic Cleaner for Denture Cleaning (45kHz, 255ML)
0 out of 5
(0)
SKU: CLN-ULTR-45KHZ
$98.90 ~~$118.70~~
Add to cart
Instruments, Refractometers
Handheld Clinical Refractometer with ATC, 0-12g/dl
-29%
Instruments, Refractometers
Handheld Clinical Refractometer with ATC, 0-12g/dl
0 out of 5
(0)
SKU: REF-CLN-0-12ATC
$103.56 ~~$146.34~~
Add to cart
Instruments, Salinity, TDS Meters
Pen Type Salinity & Temperature Meter for Salt Water Quality with ATC
-9%
Instruments, Salinity, TDS Meters
Pen Type Salinity & Temperature Meter for Salt Water Quality with ATC
0 out of 5
(0)
SKU: SAL-TMP-WTR-ATC-DGT-PEN
$107.61 ~~$118.22~~
Add to cart
Instruments, TDS Meters, Water
Digital 3-in-1 EC/CF/TDS Water Quality Tester
-15%
Instruments, TDS Meters, Water
Digital 3-in-1 EC/CF/TDS Water Quality Tester
0 out of 5
(0)
SKU: WTR-TST-3IN1-DGT
$108.67 ~~$127.13~~
Add to cart
ORP Meters, Water
2 in 1 Digital ORP Temperature Meter Waterproof
-44%
ORP Meters, Water
2 in 1 Digital ORP Temperature Meter Waterproof
0 out of 5
(0)
SKU: 51
$108.80 ~~$194.85~~
Add to cart
pH Meters
Waterproof pH meter w/ Temperature + Auto Calibration
-45%
pH Meters
Waterproof pH meter w/ Temperature + Auto Calibration
0 out of 5
(0)
SKU: 122
$108.80 ~~$196.83~~
Add to cart
Instruments, TDS Meters, Water
6-in-1 Water Quality Testing Meter (TOC, UV275, EC, TDS, COD, Temp)
-42%
Instruments, TDS Meters, Water
6-in-1 Water Quality Testing Meter (TOC, UV275, EC, TDS, COD, Temp)
0 out of 5
(0)
SKU: TST-WTR-6IN1-TOC
$108.90 ~~$188.91~~
Add to cart
EC Meter, Instruments, Salinity
Waterproof Soil EC and Temperature Meter Digital Tester
-10%
EC Meter, Instruments, Salinity
Waterproof Soil EC and Temperature Meter Digital Tester
0 out of 5
(0)
SKU: MET-SOIL-EC-TMP
$111.57 ~~$124.56~~
Add to cart
EC Meter, Instruments, ORP Meters, pH Meters, Salinity, TDS Meters, Water
Bluetooth Floating Monitor for EC, Salinity, pH, ORP, and TDS
-42%
EC Meter, Instruments, ORP Meters, pH Meters, Salinity, TDS Meters, Water
Bluetooth Floating Monitor for EC, Salinity, pH, ORP, and TDS
No reviews
0 out of 5
(0)
SKU: MON-EC-PH-TDS-BT
$118.01 ~~$203.76~~
Add to cart
Accessories, Instruments, pH Meters, Sensors / Probes
pH and Chlorine Level Water Quality Tester
-32%
Accessories, Instruments, pH Meters, Sensors / Probes
pH and Chlorine Level Water Quality Tester
0 out of 5
(0)
SKU: TST-PH-CHL-WTR
$118.37 ~~$173.86~~
Add to cart
Instruments, Moisture Meters
Non-Destructive Digital Moisture Meter with Colored LCD Screen
-6%
Instruments, Moisture Meters
Non-Destructive Digital Moisture Meter with Colored LCD Screen
0 out of 5
(0)
SKU: MTR-MST-NON-DST
$118.40 ~~$125.75~~
Add to cart
pH Meters, Soil pH Meters, Water
Waterproof Soil pH / Moisture Solar Meter Solar Powered
-43%
pH Meters, Soil pH Meters, Water
Waterproof Soil pH / Moisture Solar Meter Solar Powered
1 review
0 out of 5
(0)
SKU: 50
$118.70 ~~$209.70~~
Add to cart
pH Meters
Waterproof 2 in 1 pH & Temperature Meter, ATC & Digital Water Quality Tester
-44%
pH Meters
Waterproof 2 in 1 pH & Temperature Meter, ATC & Digital Water Quality Tester
0 out of 5
(0)
SKU: 115
$118.70 ~~$211.68~~
Add to cart
pH Meters
2 in 1 Combo pH & Temperature Meter w/ Replaceable BNC pH Electrode W/ Real Time Continuous Monitoring
-40%
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
$118.70 ~~$198.81~~
Add to cart

Showing 49–96 of 135 resultsSorted by price: low to high

←
1
2
3
→

- Show All Categories
- Water (135)

Daily Special

Save $14.17

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 $98.99 ~~$128.66~~
Gooseneck Fiber Optic Microscope Illuminator + Color Filters $536.78 ~~$565.38~~
Auto Range Multifunction Multimeter with HD LCD Screen Digital $69.29 ~~$79.19~~

Top Rated Products

Digital Salinity Salt Meter Waterproof IP65
Rated 5.00 out of 5
$93.95 ~~$145.35~~
Digital pH Meter
Rated 5.00 out of 5
$25.91 ~~$30.82~~
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
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

4

4

Your Cart

Screen Tension Tester with 7~40N/cm Range for Steel Mesh

Price: $592.02

- +

$592.02

Heavy Duty ORP BNC Electrode 300cm

Price: $69.20

- +

$69.20

3 in 1 Soil pH, Moisture & Light Meter for Gardening and Water Quality Monitoring

Price: $59.30

- +

$59.30

Digital pH Meter

Price: $25.91

- +

$25.91

Subtotal $746.43

Shipping, taxes, and discounts calculated at checkout.

View Cart Continue Shopping Checkout