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:

- × High Accuracy pH BNC Electrode 300cm 1 × $59.30
Subtotal: $59.30
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:
1

Search for:

HomeShop

Shop

Showing 1–48 of 626 resultsSorted by price: low to high

of 14→

Accessories, Water
pH Calibration Powder 3 Pack
-29%
Accessories, Water
pH Calibration Powder 3 Pack
0 out of 5
(0)
SKU: 29
$9.80 ~~$13.76~~
Add to cart
pH Meters, Water
pH Test Strips
-23%
pH Meters, Water
pH Test Strips
0 out of 5
(0)
SKU: 43
$9.80 ~~$12.77~~
Add to cart
Instruments, Temperature, Thermocouplers
Optional 2x Temperature Probes for Digital K-Type Thermometer
-33%
Instruments, Temperature, Thermocouplers
Optional 2x Temperature Probes for Digital K-Type Thermometer
0 out of 5
(0)
SKU: PRB-K-TYPE-THM
$9.89 ~~$14.79~~
Add to cart
Cable Testers
Single Non Contact Voltage Detector Pen
-29%
Cable Testers
Single Non Contact Voltage Detector Pen
0 out of 5
(0)
SKU: 284
$19.70 ~~$27.62~~
Add to cart
pH Meters, Water
Digital pH Meter
-16%
pH Meters, Water
Digital pH Meter
No reviews
Rated 5.00 out of 5
(1)
SKU: 2
$25.91 ~~$30.82~~
Add to cart
TDS Meters, Water
Digital TDS Meter
-19%
TDS Meters, Water
Digital TDS Meter
2 reviews
0 out of 5
(0)
SKU: 4
$29.90 ~~$36.82~~
Add to cart
EC Meter, Gadgets, Instruments
Digital Battery Capacity Tester and Volt Checker
-21%
EC Meter, Gadgets, Instruments
Digital Battery Capacity Tester and Volt Checker
0 out of 5
(0)
SKU: BAT-TEST-VLT-DGT
$30.58 ~~$38.51~~
Add to cart
Accessories, Instruments, ORP Meters, Water
Replaceable ORP REDOX Electrode (50 OHM) BNC Type Connector for ORP Redox Meter
-4%
Accessories, Instruments, ORP Meters, Water
Replaceable ORP REDOX Electrode (50 OHM) BNC Type Connector for ORP Redox Meter
0 out of 5
(0)
SKU: ORP-ELC-RDX-BNC
$38.71 ~~$40.41~~
Add to cart
Gadgets, Instruments
Smart Key Finder with Find My App for Keys, Bikes, and Luggage
-13%
Gadgets, Instruments
Smart Key Finder with Find My App for Keys, Bikes, and Luggage
0 out of 5
(0)
SKU: FND-SMRT-KEY
$38.71 ~~$44.37~~
Add to cart
Multimeters
Battery Tester and Diagnostic Meter
-3%
Multimeters
Battery Tester and Diagnostic Meter
0 out of 5
(0)
SKU: 75
$38.79 ~~$40.11~~
Add to cart
Ozone Generator
Optional Air Dryer for Ozone Generator
-17%
Ozone Generator
Optional Air Dryer for Ozone Generator
0 out of 5
(0)
SKU: 239
$39.50 ~~$47.34~~
Add to cart
Cable Testers, Network Tester
Handheld Mini Network Line Tester
-9%
Cable Testers, Network Tester
Handheld Mini Network Line Tester
0 out of 5
(0)
SKU: 265
$39.50 ~~$43.38~~
Add to cart
Cable Testers, Network Tester
Telephone & LAN Cable Tester w/ LED Lighting
-9%
Cable Testers, Network Tester
Telephone & LAN Cable Tester w/ LED Lighting
0 out of 5
(0)
SKU: 266
$39.50 ~~$43.38~~
Add to cart
Cable Testers, Network Tester
Mini LAN & POE Cable Tester
-5%
Cable Testers, Network Tester
Mini LAN & POE Cable Tester
0 out of 5
(0)
SKU: 268
$39.50 ~~$41.40~~
Add to cart
Multimeters
Portable Professional Smart Pen Multimeter
-18%
Multimeters
Portable Professional Smart Pen Multimeter
0 out of 5
(0)
SKU: 274
$39.50 ~~$48.33~~
Add to cart
Instruments, Multimeters
Digital Multimeter ACV/DCV, DC Current Diode Battery Test Meter
-19%
Instruments, Multimeters
Digital Multimeter ACV/DCV, DC Current Diode Battery Test Meter
0 out of 5
(0)
SKU: MMT-ACV-DCV-DC-CUR
$39.50 ~~$48.92~~
Add to cart
Instruments, Light, Magnification and Loupe
10x Magnification Hasting Jewelry Mini Loupe Optical Glass
-6%
Instruments, Light, Magnification and Loupe
10x Magnification Hasting Jewelry Mini Loupe Optical Glass
0 out of 5
(0)
SKU: MAG-HST-JWL-10X
$39.50 ~~$41.99~~
Add to cart
Instruments, Light, Magnification and Loupe
Multifunction Magnifier with Double Lenses 10x and 25x Magnification
-6%
Instruments, Light, Magnification and Loupe
Multifunction Magnifier with Double Lenses 10x and 25x Magnification
0 out of 5
(0)
SKU: MAG-MLT-DBL-10X-25X
$39.50 ~~$41.99~~
Add to cart
Cable Testers
Handheld Coaxial BNC & RJ45 Wire Continuity Tester
-7%
Cable Testers
Handheld Coaxial BNC & RJ45 Wire Continuity Tester
0 out of 5
(0)
SKU: 267
$39.51 ~~$42.39~~
Add to cart
Instruments, Refractometers
Honey Brix Refractometer Reference Block and Dioptric oil
-24% $Honey Brix Refractometer Reference Block and Dioptric oil$
Instruments, Refractometers
Honey Brix Refractometer Reference Block and Dioptric oil
0 out of 5
(0)
SKU: REF-BRX-HNY-RBLK
$39.59 ~~$52.39~~
Add to cart
pH Meters
Pocket Size Digital pH meter & Water Quality Tester
-16%
pH Meters
Pocket Size Digital pH meter & Water Quality Tester
0 out of 5
(0)
SKU: 121
$39.81 ~~$47.48~~
Add to cart
pH Meters
Digital Pen Type pH Meter
-18%
pH Meters
Digital Pen Type pH Meter
0 out of 5
(0)
SKU: 130
$39.81 ~~$48.59~~
Add to cart
Gadgets, Instruments
Wallet Finder with Bluetooth, Lost Item Locator for Smart Luggage
-19%
Gadgets, Instruments
Wallet Finder with Bluetooth, Lost Item Locator for Smart Luggage
0 out of 5
(0)
SKU: FND-WLT-BLU
$40.13 ~~$49.70~~
Add to cart
Instruments, Light, Magnification and Loupe
20x Magnification Hasting Jewelry Mini Loupe with Optical Glass
-12%
Instruments, Light, Magnification and Loupe
20x Magnification Hasting Jewelry Mini Loupe with Optical Glass
0 out of 5
(0)
SKU: MAG-HST-JWL-20X
$40.59 ~~$46.35~~
Add to cart
Instruments, Light, Magnification and Loupe
Jewelry Mini Loupe with Hasting Optical Glass (14x Magnification)
-14%
Instruments, Light, Magnification and Loupe
Jewelry Mini Loupe with Hasting Optical Glass (14x Magnification)
0 out of 5
(0)
SKU: MAG-HST-JWL-14X
$40.59 ~~$47.34~~
Add to cart
Electrical, Voltage Detectors, Instruments
Handheld Outlet Tester with LED Light for Polarity Detection
-16%
Electrical, Voltage Detectors, Instruments
Handheld Outlet Tester with LED Light for Polarity Detection
0 out of 5
(0)
SKU: TST-OUT-LED
$41.05 ~~$48.74~~
Add to cart
Cable Testers
Non Contact Voltage Detector Pens 2 Pack
-16%
Cable Testers
Non Contact Voltage Detector Pens 2 Pack
0 out of 5
(0)
SKU: 201
$41.31 ~~$48.97~~
Add to cart
Instruments, Light, Magnification and Loupe
Metal Optical Magnifying Glass for Jewelers (10x Magnification)
-18%
Instruments, Light, Magnification and Loupe
Metal Optical Magnifying Glass for Jewelers (10x Magnification)
1 review
0 out of 5
(0)
SKU: MAG-MTL-OPT-10X
$41.88 ~~$51.30~~
Add to cart
Air, Humidity Meters, Instruments, Moisture Meters, Water
Handheld Pin Type Moisture Meter with Visual Humidity Detection
-20%
Air, Humidity Meters, Instruments, Moisture Meters, Water
Handheld Pin Type Moisture Meter with Visual Humidity Detection
0 out of 5
(0)
SKU: MTR-MST-PIN-VIS
$41.88 ~~$52.29~~
Add to cart
Instruments, Moisture Meters
Digital Grain Moisture Tester for Water Content Analysis
-21%
Instruments, Moisture Meters
Digital Grain Moisture Tester for Water Content Analysis
0 out of 5
(0)
SKU: TST-GRN-MST-H2O
$41.88 ~~$53.28~~
Add to cart
Accessories, Instruments, pH Meters, Water
pH Electrode Probe with BNC Connector and 200cm Long Cable for PH Meter
-13%
Accessories, Instruments, pH Meters, Water
pH Electrode Probe with BNC Connector and 200cm Long Cable for PH Meter
0 out of 5
(0)
SKU: PH-PRB-BNC-200CM
$42.20 ~~$48.23~~
Add to cart
Electrical, Voltage Detectors, Instruments
Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V)
-13%
Electrical, Voltage Detectors, Instruments
Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V)
0 out of 5
(0)
SKU: DET-AC-NCV-12V-1000V
$42.20 ~~$48.23~~
Add to cart
Gadgets, Instruments, Sensors / Probes
Electronic Water Level Alarm with Power Lamp & Groove
-10%
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~~
Add to cart
Light, Magnification and Loupe, Instruments
Scale Loupe Magnifier with LED and UV Illumination (10x Magnification)
-8%
Light, Magnification and Loupe, Instruments
Scale Loupe Magnifier with LED and UV Illumination (10x Magnification)
0 out of 5
(0)
SKU: MAG-SCL-LED-UV-10X
$48.87 ~~$52.94~~
Add to cart
pH Meters
Pen Type Digital PH Meter & Hydroponics Water Quality Tester
-17%
pH Meters
Pen Type Digital PH Meter & Hydroponics Water Quality Tester
0 out of 5
(0)
SKU: 119
$49.40 ~~$59.22~~
Add to cart
Vehicle Diagnostics
Digital 2 in 1 Car Tire Pressure Tester & Tire Veins Depth Gauge
-18%
Vehicle Diagnostics
Digital 2 in 1 Car Tire Pressure Tester & Tire Veins Depth Gauge
0 out of 5
(0)
SKU: 223
$49.40 ~~$60.21~~
Add to cart
Ozone Generator
Optional Ozone Generator Air Pump
-19%
Ozone Generator
Optional Ozone Generator Air Pump
0 out of 5
(0)
SKU: 238
$49.40 ~~$61.20~~
Add to cart
Cable Testers, Network Tester
Multifunction RJ11 RJ45 Network Cable and Metal wire Detector and Tester
-21%
Cable Testers, Network Tester
Multifunction RJ11 RJ45 Network Cable and Metal wire Detector and Tester
0 out of 5
(0)
SKU: 261
$49.40 ~~$62.19~~
Add to cart
Instruments, pH Meters, Sensors / Probes
Digital Pen-Type pH Meter Tester with 0.00 – 14.00 pH Range
-11%
Instruments, pH Meters, Sensors / Probes
Digital Pen-Type pH Meter Tester with 0.00 – 14.00 pH Range
0 out of 5
(0)
SKU: TST-PH-PEN-0.00-14.00
$49.40 ~~$55.54~~
Add to cart
Gadgets, Instruments
Digital Body Measuring Fat Caliper
-15%
Gadgets, Instruments
Digital Body Measuring Fat Caliper
0 out of 5
(0)
SKU: CAL-BDY-DGT
$49.49 ~~$58.28~~
Add to cart
pH Meters, TDS Meters, Water
Digital pH and TDS Meter Combo Pack
-12%
pH Meters, TDS Meters, Water
Digital pH and TDS Meter Combo Pack
0 out of 5
(0)
SKU: 5
$49.90 ~~$56.82~~
Add to cart
Accessories, Instruments, pH Meters, Sensors / Probes
Replacement Electrode for pH Meters PHM-224, TDS-240, ECM-226
-9%
Accessories, Instruments, pH Meters, Sensors / Probes
Replacement Electrode for pH Meters PHM-224, TDS-240, ECM-226
0 out of 5
(0)
SKU: ELE-PH-REPL
$50.19 ~~$55.28~~
Add to cart
Instruments, Leak Detector
Combustible Gas Leak Detector for Methane and LPG
-22%
Instruments, Leak Detector
Combustible Gas Leak Detector for Methane and LPG
0 out of 5
(0)
SKU: DET-GAS-CMB-MTH-LPG
$50.89 ~~$65.16~~
Add to cart
Instruments, Magnification and Loupe, Ring Lights / Illuminators
Frosted Glass Diffuser for Microscope Ring Light
-14%
Instruments, Magnification and Loupe, Ring Lights / Illuminators
Frosted Glass Diffuser for Microscope Ring Light
0 out of 5
(0)
SKU: DFR-MCR-RNG-LGT
$52.57 ~~$60.80~~
Add to cart
Instruments, Sound, Sound Level Meters
Handy Mini Sound Level Meter with Auto Backlight for Noise Pollution Monitoring (30~130 dBA)
-33%
Instruments, Sound, Sound Level Meters
Handy Mini Sound Level Meter with Auto Backlight for Noise Pollution Monitoring (30~130 dBA)
0 out of 5
(0)
SKU: N1-1531M-HANDY-SOUND-METER
$53.03 ~~$79.19~~
Add to cart
Accessories, Instruments, Sensors / Probes
Replaceable Electrode with Cap for pH Temperature Pen
-7%
Accessories, Instruments, Sensors / Probes
Replaceable Electrode with Cap for pH Temperature Pen
0 out of 5
(0)
SKU: ELE-PH-TMP
$54.45 ~~$58.57~~
Add to cart
Moisture Meters, Water
Digital 2 Pin Moisture Meter Wood / Sawn Timber / Paper / Plaster
-23%
Moisture Meters, Water
Digital 2 Pin Moisture Meter Wood / Sawn Timber / Paper / Plaster
0 out of 5
(0)
SKU: 7
$55.34 ~~$72.09~~
Add to cart
EC Meter, Instruments
Pen Type EC / Hydroponics / Nutrient Meter (0~19.99ms/cm)
-11%
EC Meter, Instruments
Pen Type EC / Hydroponics / Nutrient Meter (0~19.99ms/cm)
0 out of 5
(0)
SKU: TDS-EC-MTR-PEN
$56.53 ~~$63.18~~
Add to cart

Showing 1–48 of 626 resultsSorted by price: low to high

1
2
3
…
14
→

Browse Categories

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 $78.56 ~~$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

1

1

Your Cart

High Accuracy pH BNC Electrode 300cm

High Accuracy pH BNC Electrode 300cm

Price: $59.30

- +

$59.30

Subtotal $59.30

Shipping, taxes, and discounts calculated at checkout.

View Cart Continue Shopping Checkout