Nitrate and Nitrite Combo Test Strips, Pack of 50
- Combo test strips for nitrate and nitrite testing
- Supplied as pack of 50 strips as listed
- Tests for nitrates and nitrites simultaneously
- Nitrate pad detects 10, 25, 50, 100, 250 and 500 ppm
- Nitrite pad detects 1, 5, 10 and 25 ppm
- Nitrite unit of measure is listed as nitrite, not nitrite-nitrogen
- Suitable for compatible solution testing
- Useful for water, food-related and agricultural education demonstrations
- Nitrate strips may be used for fertiliser run-off screening activities
- Nitrite strips may be used in teaching examples involving wine, seafood and processed meats
- Sensitive to light and moisture, vial should be kept tightly sealed
- Use under appropriate laboratory or educational supervision
AUD 83.50 (Ex GST)
Nitrate Ion Electrode, Replacement Sensor with Selective Flat Electrode
- Replacement nitrate ion sensor for selected LAQUAtwin meters
- Compatible with B-741, B-742, B-743, B-341, B-342, and B-343
- Flat electrode design for direct nitrate ion measurement
- High selectivity helps reduce interference from pH and other ions
- Practical replacement part for continued nitrate testing
AUD 227.70 (Ex GST)
Nitrate Ion Selective Electrode Kit, Combination, 1 m Cable
- Combination nitrate ion selective electrode kit for NO₃⁻ measurement workflows
- Supplied with 2 nitrate electrode tips for compatible electrode operation
- Includes nitrate filling solution, 100 ppm standard, 1000 ppm standard and ionic strength adjustor
- Includes syringe, disposable dropper, protective pipe and manual
- 1 m cable with BNC connection compatibility for suitable pH / ION meters
- Fixed-temperature measurement conditions should be maintained for consistent ion testing
AUD 1,475.00 (Ex GST)
Nitrate Ion Standard Solution, 150 ppm Calibration Solution
- 150 ppm nitrate ion standard solution
- Suitable for Cardy, Twin, and LAQUAtwin nitrate meters
- Compatible with C-141, B-343, B-743, and NO3-11
- Supplied in practical 14 mL bottles
- Pack includes 6 bottles, with SDS noted
AUD 110.00 (Ex GST)
Nitrate Ion Standard Solution, 2000 ppm Calibration Solution
- 2000 ppm nitrate ion standard solution
- Suitable for Cardy, Twin, and LAQUAtwin nitrate meters
- Compatible with C-141, B-343, B-743, and NO3-11
- Supplied in 14 mL bottles for practical calibration use
- Pack includes 6 bottles, with instruction manuals and SDS noted
AUD 110.00 (Ex GST)
Nitrate Ion Standard Solution, 30 ppm Calibration Solution
- 30 ppm nitrate ion standard solution
- Designed for compatible Twin and LAQUAtwin nitrate meters
- Suitable for B-342, B-742, and NO3-11S
- Supplied in practical 14 mL bottles
- Pack includes 6 bottles, with SDS noted
AUD 110.00 (Ex GST)
Nitrate Ion Standard Solution, 300 ppm Calibration Solution
- 300 ppm nitrate ion standard solution for routine calibration
- Suitable for compatible Twin and LAQUAtwin nitrate meters
- Fits B-341, B-342, B-741, B-742, NO3-11C, and NO3-11S
- Supplied in 14 mL bottles for practical small-volume use
- Pack includes 6 bottles, with instruction manuals and SDS noted
AUD 110.00 (Ex GST)
Nitrate Ion Standard Solution, 5000 ppm Calibration Solution
- 5000 ppm nitrate ion standard solution
- Designed for LAQUAtwin nitrate meter calibration
- Suitable for Twin B-341, B-741, and NO3-11C
- Supplied in practical 14 mL bottles
- Pack includes 6 bottles with SDS noted
AUD 110.00 (Ex GST)
Norwood-Style Glass Electrodes, Set of 4, Kit Components
- Norwood type electrode kit for electrolysis demonstrations
- Set consists of 4 glass tubes with mounted electrodes
- Each glass tube has an electrode sealed inside
- Electrode protrudes from the sealed end for connection to a power source
- Includes 2 carbon rod electrodes in glass
- Includes 1 stainless steel rod electrode in glass
- Includes 1 platinum wire electrode in glass
- Bracket supplied to carry any 2 electrodes into a small beaker
- Can be used for electrolysis experiments
- Supports generation and collection of gases inside the glass tubes
- Confirm power source, electrolyte and experiment method before use
- Use only under appropriate laboratory or educational supervision
AUD 125.90 (Ex GST)
Nylon Pulleys for Bench Clamp and Rod Mounting, 50 mm
- 50 mm nylon pulley range for bench clamp and rod-mounted mechanics setups
- Bench mounted pulley clamps to flat surfaces up to 25 mm thick
- Protective clamp pad helps reduce damage to bench surfaces
- Vertical adjustable pulley can be raised, lowered and pointed as required
- Universal bench clamp opens to 40 mm and holds devices up to 12.5 mm diameter
- Straight and bent rod pulleys use 8 mm × 200 mm anodised aluminium rods
- Suitable for supervised force, tension and cord-routing demonstrations
From AUD 24.50 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Nylon Syringe Filters, Multi Size Laboratory Filtration Range
• Nylon syringe filters for laboratory filtration, multiple pore sizes and diameters support matching to sample type and target clarity
• Pore size options listed 0.22 µm, 0.45 µm and 0.8 µm, select based on particle load and required filtration level
• Diameter options listed 5 mm, 13 mm, 25 mm and 33 mm, supports different sample volumes and flow preferences
• Pack quantities stated 200 for 5 mm option, 100 for most 13 mm and 25 mm options, 50 for 33 mm options
• Clear ordering by pore size, diameter and pack size supports correct selection, keep filters sealed until use and handle under appropriate laboratory supervision
From AUD 80.90 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Oersted’s Apparatus with Magnetic Needle and Stand
- Oersted’s apparatus for physics and electricity demonstrations
- Demonstrates the magnetic effect of electric current in a wire
- Includes magnetic needle with stand as listed
- Title references 75 mm needle
- Description references 15 cm long permanent magnetic needle
- Needle rotates freely inside an aluminium frame
- Current can flow over or under the needle
- Current direction can be changed for comparison
- Needle mounted on sensitive agate bearing as listed
- Includes sturdy base and binding posts as listed
- Designed for compatible low-voltage classroom circuits
- Use under appropriate laboratory or educational supervision
AUD 37.50 (Ex GST)
Ohm’s Law Apparatus with Meter, Rheostat and Push Key
- Ohm’s Law apparatus for physics and electrical demonstrations
- Designed to demonstrate the relationship between voltage, current and resistance
- Supplied in a wooden enclosure as listed
- Includes milliammeter as listed
- Includes voltmeter as listed
- Includes rheostat for current control
- Includes push key for circuit make-and-break operation
- Includes terminal posts for electrical connections
- External battery is required and not supplied
- Suitable resistance is required and not supplied
- Designed for compatible low-voltage educational circuits
- Use under appropriate laboratory or educational supervision
AUD 136.90 (Ex GST)
Oil and Water Separator Receiver Apparatus BORO 3.3 Glass
- Designed for efficient separation of immiscible oil and water phases during distillation
- Manufactured from high quality BORO 3.3 borosilicate glass for chemical and thermal resistance
- Clear visibility enables accurate observation of phase separation and volume collection
- Ideal for essential oil extraction, solvent recovery, and laboratory distillation setups
- Compatible with standard laboratory distillation assemblies and condensers
- Suitable for research laboratories, pilot setups, education, and essential oil applications
From AUD 44.90 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML E2 Calibration Weight Sets
- OIML E2 calibration weight sets for precision balance checking
- Available in 1 mg starting ranges up to 10 kg
- Available in 1 g starting ranges up to 2 kg
- Suitable for compatible analytical and precision weighing workflows
- Supports laboratory balance verification and calibration reference use
- Useful for research, QC, calibration and regulated weighing environments
- Supplied in protective storage cases to support organisation and cleanliness
- Manufactured to meet OIML R111 requirements for E2 class tolerances
- Handle with suitable forceps or gloves to reduce contamination risk
- Designed for use as high-accuracy working standards in controlled environments
- Suitable for routine performance checks and scheduled calibration verification
- Helps maintain traceability in laboratory weighing systems
From AUD 649.75 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML E2 Calibration Weights for Precision Weighing
- OIML E2 calibration weights for precision weighing verification workflows
- Available from 1 mg through to 20 kg capacity options
- Suitable for compatible analytical balances, precision balances and weighing checks
- Each option is listed by E2 model and nominal capacity
- Supports routine calibration checks, balance verification and quality control procedures
- Useful for laboratories requiring higher-accuracy reference weight selection
- Wide capacity range supports small mass checks through to larger scale verification
- Manufactured to meet OIML E2 tolerance requirements for high-precision applications
- Designed for use in controlled laboratory environments where traceable mass standards are required
- Confirm certificate requirement, storage case, tolerance class and balance compatibility before ordering
From AUD 46.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML F1 Calibration Weight Sets
- OIML F1 calibration weight sets for precision balance checking
- Available in 1 mg starting ranges up to 10 kg
- Available in 1 g starting ranges up to 10 kg
- Suitable for compatible analytical and precision weighing workflows
- Supports routine balance verification and calibration reference use
- Useful for research, QC, education and industrial laboratory weighing areas
- Suitable for checking balance response, repeatability and linearity
- Supplied as selectable weight set ranges for different balance capacities
- Confirm certificate, material, case and full set composition before purchase
- Handle with suitable forceps or gloves to reduce contamination risk
From AUD 172.50 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML F1 calibration weights for accurate weighing verification workflows
- Available from 1 mg through to 20 kg capacity options
- Suitable for compatible analytical balances, precision balances and scale checks
- Rugged stainless steel construction supports durability during routine use
- F1 class density listed as 7.9 g/cm³
- Individual weights include an impact-resistant plastic case
- Weight sets are supplied in a lined aluminium box with forceps and white cotton glove where applicable
- Suitable for calibration checks, balance verification and quality control procedures
- Available in F1 class for applications requiring reliable reference weight selection
- Confirm certificate requirement, storage format, tolerance class and balance compatibility before ordering
From AUD 17.25 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML M1 Calibration Weight Sets
- OIML M1 calibration weight set for routine balance checking
- Nominal capacity range from 1 mg to 1 g
- Suitable for low-mass balance verification workflows
- Supports routine calibration reference and weighing checks
- Useful for teaching, QC, research and laboratory weighing areas
- Designed for use with analytical and precision balances (within M1 suitability range)
- Helps verify repeatability, linearity and short-term balance performance
- Confirm certificate, material, case and full weight composition before purchase
- Handle with suitable forceps or gloves to reduce contamination risk
From AUD 103.50 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML M1 Calibration Weights for routine weighing verification
- Available from 1 g through to 20 kg capacity options
- Suitable for compatible balances, bench scales, platform scales and industrial scale checks
- Rugged stainless steel construction supports durability during routine handling
- M1 class density listed as 7.9 g/cm³
- Individual weights include an impact-resistant plastic case
- Weight sets are supplied in a lined aluminium box with forceps and white cotton glove where applicable
- Suitable for calibration checks, balance verification and general quality control procedures
- Available in M1 class for routine mass reference and scale checking applications
- Confirm certificate requirement, storage format, tolerance class and scale compatibility before ordering
From AUD 23.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
OIML M1 cast iron weights for testing and calibrating larger scales
- Available in 5 kg, 10 kg and 20 kg capacity options
- Listed capacities include 5000 g, 10000 g and 20000 g
- Each weight is clearly labelled with nominal value
- Built-in handle supports easier lifting, handling and transportation
- Cast iron housing supports durability during routine industrial scale checks
- Density listed as 7.2 g/cm³
- Individual weights include a plastic case
- Suitable for industrial scales, platform scales, bench scales and routine verification workflows
- Confirm certificate requirement, tolerance class and scale compatibility before ordering
From AUD 80.50 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
Optical d-Timer Non-Contact Ticker Tape Timer
- Non-contact optical ticker tape timer for measuring travelled tape distance during motion experiments
- Built-in optical image sensor detects ticker tape movement without direct contact
- USB connection supports measurement data transfer to a PC or tablet PC
- Dedicated web application automatically generates distance-time graphs
- Web application also supports velocity-time graph and acceleration data display
- Suitable for studying motion, speed, acceleration and dynamics experiments
- Helps measure forward and backward movement of a dynamic cart when using hard paper tape
- Reduces manual graphing work by displaying motion data instantly on a connected device
- Suitable for physics classrooms, science education and teaching laboratory workflows
- Ticker tape type, USB connection, device compatibility and experiment setup should be confirmed before use
AUD 237.00 (Ex GST)
Orbital Decolorizing Shaker with Fixed Plate, 40-200 rpm
- Supplied with fixed plate for compatible orbital shaking workflows
- Fixed plate supports stable placement of suitable vessels and containers during operation
- Orbital decolorizing shaker for smooth and uniform laboratory shaking workflows
- Orbital motion with 20 mm amplitude supports gentle sample mixing and decolorizing applications
- Speed range supports 40-200 rpm for controlled low-speed shaking
- Maximum load capacity is listed as 2 kg with platform
- Double-screen LED display shows time and speed separately for clear operation monitoring
- Continuous or timer operation mode supports flexible workflow control
- Time setting range supports 1 minute to 99 hours 59 minutes
- Maintenance-free brushless DC motor supports stable routine operation
- Over-speed detection and protection support safer laboratory use
- Compact footprint supports practical placement on laboratory benches
- Work plate dimension is listed as 268 x 268 mm
- Unit dimensions are listed as 294 x 348 x 123 mm, with 3.1 kg weight
- Fixed plate compatibility, vessel type, load balance, speed setting and operating conditions should be confirmed before use
AUD 286.50 (Ex GST)
Orbital Shaking Incubator
- Medium and XLarge models support controlled orbital shaking workflows
- Applications include cell culture, hybridisations and general mixing
- LED displays support clear temperature and speed monitoring in the lab
- Slow acceleration helps reduce spillage during shaking operation
- Safety cutout activates if an overload or jamming condition occurs
- Optional racks and tulip clips support varied container requirements
From AUD 6,639.00 (Ex GST)
This product has multiple variants. The options may be chosen on the product page
ORP Electrode 301Pt-C Combination with Platinum Ring
- Combination ORP electrode suitable for general water-solution testing
- Platinum ring sensor supports oxidation-reduction potential measurement
- Suitable for wastewater treatment, water analysis and routine laboratory monitoring
- Gel KCl electrolyte design removes the need for electrolyte refilling
- Standard BNC connector supports use with compatible ORP meters
- Practical replacement or spare ORP electrode for routine testing workflows
AUD 165.00 (Ex GST)
ORP Probe Replacement for GroStar® GS5-E, Double-Junction Platinum Sensor
- Replacement ORP probe for compatible GroStar® pen tester workflows
- Double-junction design supports stable ORP measurement performance
- Platinum sensor supports oxidation-reduction potential testing in compatible solutions
- Listed for GroStar® GS2 Soil pH Pen Tester workflows in the supplied product information
- Compatible with GroStar® GS1, GS2 and GS4 pen tester models
- Supplied as a replacement probe when the original ORP probe reaches end of service life
AUD 130.00 (Ex GST)
ORP Probe Replacement ORP60-DA for ZenTest® 60-Z Smart Pocket Testers
- Replacement ORP probe for ZenTest® PH60-Z, PC60-Z, PH60S-Z and PH60F-Z Smart Pocket Testers
- Platinum ORP sensor supports oxidation-reduction potential measurement in compatible water solutions
- Designed for general water solution ORP testing workflows
- Suitable for users who need ORP testing capability on compatible ZenTest smart pocket testers
- Replaceable probe format helps extend the functional use of compatible tester bodies
- Suitable for routine water-quality, laboratory, education and field testing applications
AUD 135.00 (Ex GST)
ORP Probe Replacement ORP60-DE for ZenTest® ORP60-Z Smart ORP Tester
- Replacement ORP probe exclusively for ZenTest® ORP60-Z Smart ORP Tester
- Platinum ORP sensor supports oxidation-reduction potential measurement in compatible water solutions
- Built-in temperature sensor supports temperature-linked measurement on compatible testers
- Designed for general water solution ORP testing workflows
- Replaceable probe format helps extend the usable life of the ORP60-Z tester body
- Suitable for routine water-quality, laboratory, education and field testing applications
AUD 135.00 (Ex GST)
ORP Probe Replacement ORP60-E for ORP60 Pocket ORP Tester
- Replacement ORP probe designed for the ORP60 Pocket ORP Tester
- Also compatible with PH60, PH60S and PH60F pocket tester models
- Suitable for routine ORP measurement in compatible general water solutions
- Practical choice for pools, water treatment, sanitation checks and redox monitoring workflows
- Helps extend the usable life of compatible tester bodies when the original ORP probe reaches end of service life
- Suitable for users needing a direct replacement probe instead of purchasing a complete new tester
AUD 120.00 (Ex GST)
ORP Sensor, Replacement Sensor for Pocket ORP Meter
- Replacement ORP sensor for LAQUAtwin ORP-11
- Supports reliable redox measurement performance
- Designed for easy sensor replacement
- Helps maintain accurate water quality testing
- Built for routine field and laboratory use
AUD 143.00 (Ex GST)
ORP Standard Solution, 225 mV Calibration Solution for Pocket ORP Testers
- 225 mV ORP standard solution for LAQUAtwin ORP-11 calibration
- Designed for accurate redox, ORP, measurement setup
- Supplied in a convenient 6 × 14 mL pack size
- Only a few drops are needed for regular calibration
- Helps support reliable water quality measurement results
AUD 110.00 (Ex GST)
Ostwald Capillary Viscometer, College Pattern, BORO 3.3 Glass, 60–90 Second Flow Time
- College pattern Ostwald viscometer for laboratory education
- Made from 3.3 borosilicate glass
- Autoclavable glass construction
- Useful for student and training purposes
- Suitable for viscosity demonstration and teaching activities
- Pattern listed as Type A
- Emptying time listed as 60 to 90 seconds
- Supplied as 1 piece per pack
- Suitable for school, university and teaching laboratory use
- Handle carefully as laboratory glassware
- Confirm method, liquid compatibility and cleaning procedure before use
- Use under appropriate laboratory or educational supervision
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