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- × pH Calibration Powder 3 Pack 1 × $9.80
Subtotal: $9.80
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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

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

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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
Refractometers, Instruments
Honey Brix Refractometer Reference Block and Dioptric oil
-24% $Honey Brix Refractometer Reference Block and Dioptric oil$
Refractometers, Instruments
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, Instruments, Voltage Detectors
Handheld Outlet Tester with LED Light for Polarity Detection
-16%
Electrical, Instruments, Voltage Detectors
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, Instruments, Voltage Detectors
Non-Contact AC Voltage Detector with Dual Range NCV Tester (12V–1000V)
-13%
Electrical, Instruments, Voltage Detectors
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
Instruments, Light, Magnification and Loupe
Scale Loupe Magnifier with LED and UV Illumination (10x Magnification)
-8%
Instruments, Light, Magnification and Loupe
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

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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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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~~

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ORP Meters
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TDS 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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Your Cart

pH Calibration Powder 3 Pack

pH Calibration Powder 3 Pack

Price: $9.80

- +

$9.80

Subtotal $9.80

Shipping, taxes, and discounts calculated at checkout.

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