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- × 2 in 1 Combo pH & Temperature Meter w/ Replaceable BNC pH Electrode W/ Real Time Continuous Monitoring 1 × $118.70
- × $Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity)$ Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity) 1 × $69.56
Subtotal: $188.26
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Electrical
- EMF Meters
- Multimeters
Cable Testers
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Light
Sound
- Sound Level Meters
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Showing 49–96 of 135 resultsSorted by price: low to high

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Instruments, Refractometers
Beer Brix Refractometer with ATC, Dual Scale for Brix and Specific Gravity
-52% $Beer Brix Refractometer with ATC, Dual Scale for Brix and Specific Gravity$
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% $Salinity & Brix Refractometer with Triple Scale and ATC for Density Measurement$
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% $Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity)$
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% $Clinical Refractometer with ATC, Tri Scale for Serum Protein, Urine SG, and RI Measurement$
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% $Clinical Refractometer with ATC Tri-Scale for Serum Protein and Urine SG$
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% $Salinity Refractometer with 0-10% ATC Dual Scale (0~100ppt)$
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% $Alcohol Refractometer Dual Scale with ATC, 0~80% Range$
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% $Brix Refractometer with ATC, 0-32% Brix, 0.2% Division$
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% $Handheld Salinity Refractometer with Built-in LED, 0-10% ATC$
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, Water
Optional RS232 CD Software & USB Cable Datalogger
-21%
Accessories, Water
Optional RS232 CD Software & USB Cable Datalogger
0 out of 5
(0)
SKU: 31
$78.56 ~~$99.06~~
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
Salinity, TDS Meters, Temperature, Instruments
4-in-1 Water Quality Tester (TDS, Temperature, S.G., Salt Salinity)
-39%
Salinity, TDS Meters, Temperature, Instruments
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% $Handheld Clinical Refractometer with ATC, 0-12g/dl$
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
Salinity, TDS Meters, Instruments
Pen Type Salinity & Temperature Meter for Salt Water Quality with ATC
-9%
Salinity, TDS Meters, Instruments
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

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USB Cable with RS232 CD Software and 2.5mm Diameter Jack - For Landtek Water Activity Meter $78.56 ~~$128.66~~
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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.

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Refractometers
ORP Meters
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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

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2

Your Cart

2 in 1 Combo pH & Temperature Meter w/ Replaceable BNC pH Electrode W/ Real Time Continuous Monitoring

2 in 1 Combo pH & Temperature Meter w/ Replaceable BNC pH Electrode W/ Real Time Continuous Monitoring

Price: $118.70

- +

$118.70

$Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity)$

Brix Salinity Refractometer with ATC Dual Scale (0-32% Brix & 0-28% Salinity)

Price: $69.56

- +

$69.56

Subtotal $188.26

Shipping, taxes, and discounts calculated at checkout.

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