Testing & Laboratory Instruments

Digital compression testing machine with controlled pace rate for concrete cubes, cylinders and cement mortar specimens.

Slump cone, base plate and tamping rod for measuring the workability of fresh concrete.

Determines standard consistency and initial and final setting time of cement paste.

Split brass cylinders with indicator arms for determining the soundness of cement by expansion.

Determines the fineness of cement and pozzolana as specific surface area by air permeability.

Non-destructive assessment of concrete homogeneity, cracking and quality by ultrasonic pulse transit time.

Motorised load frame for determining the California Bearing Ratio of subgrade and pavement layer materials.

Casagrande cup apparatus for determining the liquid limit and, with the grooving tools, the plasticity characteristics of soil.

Standard Proctor rammer for the light compaction test — 2.6 kg mass falling through 310 mm.

Modified Proctor rammer for the heavy compaction test — 4.89 kg mass falling through 450 mm.

Shear box apparatus for determining the cohesion and angle of internal friction of soil.

Core cutter, dolly and rammer set for determining in-situ dry density of cohesive soil.

Rotating drum with steel charge for determining the abrasion resistance of coarse aggregate.

Determines the aggregate impact value — resistance to sudden shock as distinct from gradual load.

Cylinder, plunger and base plate set for determining aggregate crushing value under gradually applied compressive load.

Stainless steel and brass test sieves in 200 mm, 300 mm and 450 mm frame sizes, with matching lids and receivers.

Mechanical sieve shakers with timer control, in electromagnetic and rotary-tapping configurations.

Load frame with breaking head and flow measurement for determining the stability and flow of bituminous mixtures.

Optoelectronic penetrometer covering needle penetration of bitumen and petroleum wax and cone penetration of lubricating grease and petrolatum, with motorised placement and a 0.01 mm readout.

Automatic softening point apparatus with programmable heating rate and optical ball detection.

Water-bath ductility machine with integrated refrigeration and precise temperature control.

Simulates the short-term ageing a binder undergoes during mixing and laydown.

Universal testing frame supplied with the five fixtures the ASTM geotextile methods call for — grab, index puncture, CBR puncture, trapezoid tear and wide-width tensile.

Sieve shaker set up for the dry glass-bead method that fixes a geotextile's apparent opening size — the O95 figure a filtration design is checked against.

Constant and falling head apparatus for water flow normal to the plane of a geotextile, giving the permittivity figure a drainage or filtration layer is specified on.

The graded glass beads and separating sieves that the dry-sieving apparent opening size method consumes — the part of an AOS rig that is bought again, not once.

Loaded sliding block that abrades a geotextile against abrasive paper for a set number of cycles, so the retained strength after installation damage can be measured.

Dead-weight presser-foot gauge that reports geosynthetic thickness at a defined pressure — the figure every permittivity and transmissivity calculation is normalised against.

Micro balance reading in 0.001 mg steps over a 6.1 g range, with motorised internal calibration and a double windshield, for weighing reference standards and sub-milligram samples.

Bench ioniser that neutralises electrostatic charge on samples, containers and balance windshields, where static causes drifting and non-repeating readings on 0.01 and 0.1 mg balances.

Dual-range semi-micro and analytical balance reading to 0.01 mg on the 102 g range and 0.1 mg on the 220 g range, with internal calibration, a 5-inch touch screen and a GLP database.

Dual-range semi-micro and analytical balance reading to 0.01 mg on the 81 g range and 0.1 mg on the 220 g range, with internal calibration and an antistatic glass windshield.

Single-range semi-micro balance reading in 0.01 mg steps to 61 g, with internal calibration triggered by elapsed time and by temperature change, for laboratory and analytical weighing.

Dual-range semi-micro and analytical balance reading to 0.01 mg on the 82 g range and 0.1 mg on the 220 g range, supplied with an anti-vibration pad.

Four-decimal analytical balance with draught shield and internal or external calibration.

Microprocessor benchtop pH and mV meter with automatic temperature compensation and up to five-point calibration.

Double-beam UV-Vis spectrophotometer for quantitative absorbance and scanning work.

Digestion block with fume scrubber and steam distillation unit for total nitrogen and crude protein determination.

Conductivity, TDS, salinity and resistivity measurement with automatic temperature compensation.

Automatic titrator that follows the titration with an indicator electrode and locates the end point from the potential curve, for acid-base, redox, argentometric and non-aqueous determinations.

Tensile machine of 5 to 20 kN for dumbbell and strip specimens of plastic, rubber and elastomer, with a long-travel extensometer for strain over an extended gauge length.

High performance liquid chromatograph supplied as an isocratic single-pump or binary gradient twin-pump system with a UV detector and a manual six-port injection valve.

Bench gas chromatograph with a capillary injector, a single flame ionisation detector and a column oven programmable to 400 °C, operated from a PC.

Bench gas chromatograph with electronic pneumatic control, a split and splitless injector and a flame ionisation detector, with a column oven programmable to 420 °C.

Automatic liquid sampler that injects from a 22-position tray into a gas chromatograph, for unattended sequences and repeatable injection volumes.

Bench air generator that delivers dry compressed air at up to 2000 mL/min and 0.4 MPa, as a replacement for cylinder air on flame detectors and other laboratory air services.

Electrolytic hydrogen generator delivering 99.999% hydrogen at up to 300 mL/min and 0.3 MPa, offered in an alkaline-electrolyte build and a pure-water build.

Cuvette-free spectrophotometer that reads nucleic acid, protein, colorimetric and OD600 absorbance from a 0.5 to 2 µL drop placed directly on the sample pedestal.

Double-beam UV-visible spectrophotometer with a photomultiplier detector and a spectral bandwidth continuously adjustable from 0.1 to 5 nm, controlled from PC software.

Double-beam UV-visible spectrophotometer with a 10-inch touchscreen and on-board data handling, offered with fixed or selectable spectral bandwidth and with a single or eight-position cell holder.

Single-beam UV-visible spectrophotometer with a 7-inch touchscreen, 2 nm spectral bandwidth and on-board data handling, for fixed-wavelength assay and routine scanning.

Stand-alone double-beam UV-visible spectrophotometer whose two detectors read sample and reference at the same instant, offered with fixed or selectable bandwidth and a single or eight-position cell holder.

Single-beam UV-visible spectrophotometer with 2 nm bandwidth and a numeric keypad, for standard-curve concentration work and routine fixed-wavelength assay.

Bench density meter that reads the density of a liquid from the resonant frequency of a vibrating quartz U-tube, on a sample of 2 to 3 mL.

Capillary melting point apparatus that heats the sample under PID control, records the melting curve and averages the initial and final melting points.

Automatic melting point apparatus that measures four capillaries at once under a camera, with video playback and audit-trail software for regulated laboratories.

Automatic polarimeter that reads optical rotation at 546 nm and 589 nm with Peltier control of the sample tube, and carries audit-trail and electronic-signature software.

Automatic polarimeter that reads optical rotation at 589 nm with Peltier control of the sample tube, and carries audit-trail and electronic-signature software.

Touch-screen digital polarimeter working on the optical-null principle with a Faraday modulator, in the two catalogue variants that display the sample temperature but do not hold it.

Semi-automatic closed cup flash point apparatus covering 40 °C to 350 °C, with ionisation-ring flash detection and built-in cooling for quick turnaround between samples.

Blue-light gel viewer and cutting station for observing stained nucleic acid and protein bands in a gel, for photography or for excising a band.

Automated magnetic-bead workstation that lyses, binds, washes and elutes DNA or RNA from up to 32 samples in one unattended run.

Hot-air convection oven that rotates hybridisation tubes at a held temperature for blot and membrane hybridisation, with a shaking platform in the base of the chamber.

Enclosed 254 nm ultraviolet chamber that fixes nucleic acid to hybridisation membranes under measured energy or timed control, and decontaminates PCR consumables.

Filter photometer that measures absorbance in 96-well microplates for enzyme-linked immunosorbent assays and other colorimetric endpoint assays.

Gradient thermal cycler for amplifying DNA and RNA, running a row of different annealing temperatures across the block so a primer pair can be optimised in one run.

Triple-walled vertical steam steriliser with automatic cycle control, in standard and GMP specifications.

HEPA-filtered clean work station providing an ISO Class 5 work zone for aseptic handling.

Refrigerated incubator with precise low-temperature control for biochemical oxygen demand and general culture work.

Cabinet orbital shaker with heating and forced air circulation, offered in tray layouts from six 5-litre flasks to twenty-five 250 ml flasks, under PLC and touch-screen control.

Vertical steriliser with pre- and post-vacuum stages, so air is pulled out of wrapped and porous loads before steam enters and moisture is pulled out of them afterwards. PLC and HMI controlled.

Floor-standing 150 L orbital incubator shaker for flask culture, stackable up to three separately controlled layers, offered as a heated unit and as a refrigerated unit with CO2 control.

Tube-driven pump that meters and transfers liquid without the liquid ever touching the pump, for dispensing, feeding and quantitative transfer duties.

Motorised rotary evaporator that strips solvent from a 1 L flask under reduced pressure on a heated bath, with a vertical condenser and a separate collection bottle.

Paddle blender that works the sample inside a closed sterile bag, so the initial suspension is prepared without any part of the machine touching the sample.

Hand-held rotor-stator disperser that shears a 10 to 250 mL sample in the gap between a spinning rotor and a fixed stator, for homogenising, emulsifying and cell disruption.

Bead-beating tissue grinder that shakes closed tubes loaded with grinding balls to break plant, animal and microbial material into a uniform lysate for nucleic acid and protein work.

Orbital vortex mixer that clamps a foam rack of tubes between two plates and mixes a whole batch at once, for extraction, resuspension and high-throughput mixing.

Programmable high-temperature muffle furnace for ashing, loss on ignition and heat treatment.

Forced-convection laboratory oven with stainless steel chamber for drying, moisture determination and dry-heat sterilisation.

Double-walled 27-litre vacuum oven with a mirror-polished stainless steel 316 chamber and PID control from 50 °C to 200 °C, for drying heat-sensitive materials at reduced pressure.

Stainless steel digital water bath in four sizes from 6 to 24 litres, with 125 mm concentric-ring openings, PID control and a drain valve, for heating samples in beakers and flasks.

Hydraulic bursting strength tester that inflates a rubber diaphragm against a clamped specimen to measure the pressure at which paper, corrugated board, fabric or packaging material bursts.

Determines the compressive and stacking strength of corrugated boxes and cartons by applying a continuous load at a controlled rate until collapse.

Measures radial, flat and vertical crush resistance of paper cores, paper tubes and paper cones used as winding carriers or as packing material.

Determines the water absorptiveness (Cobb value) of paper, paperboard and corrugated fibreboard over a specified time under standardised conditions.

Cuts an exact 100 cm² circular specimen from paper, board, film or fabric so that the specimen weight in grams multiplied by 100 gives grammage directly.

Assesses rub resistance and colour transfer of printed or coated paper, board, plastic film and aluminium foil under a standard rubbing load.

Reflux digestion block with condensers and glassware for chemical oxygen demand determination.

Six-paddle stirrer with synchronised speed control for optimising coagulant dose in water treatment.

Total organic carbon analyser that oxidises the sample by UV and wet chemistry and measures the carbon dioxide released on a non-dispersive infrared detector, reporting TC, TIC, TOC and NPOC.

Reagent-free TOC analyser for high-purity water that oxidises carbon with a UV lamp and measures the resulting conductivity change, in an offline model and an online/offline model.

Chemical oxygen demand analyser supplied with a 21-place digestor block, reading COD colorimetrically over two ranges after a two-hour dichromate digestion.

Six-place manometric BOD analyser that reads biochemical oxygen demand directly in mg/L from the pressure drop in sealed culture bottles during incubation.

Floor-standing double-walled chamber that holds a set temperature and relative humidity with PID control, used by pharmaceutical, chemical and electronics laboratories for controlled-environment storage and testing.

Touch-screen PLC controlled temperature and humidity chamber that holds ICH storage conditions such as 25 °C/60 % RH and 40 °C/75 % RH, used by pharmaceutical QC and R&D laboratories for long-term and accelerated stability studies. Also printed as Humidity Chamber.

Prefabricated modular walk-in room, 4,000 to 80,000 litres, that holds ICH temperature and humidity storage conditions for bulk pharmaceutical stability and retention samples under PLC touch-screen control.

Prefabricated modular walk-in cold room holding 2 °C to 8 °C, 4,000 to 80,000 litres, for bulk cold-chain storage of pharmaceuticals and biologicals with PLC touch-screen control and data logging.

Cabinet-style refrigerated chamber holding 2 °C to 8 °C in sizes from 92 to 1012 litres, for cold storage of pharmaceutical samples and reagents with PLC touch-screen control and audit-trail logging.

Prefabricated modular walk-in incubator operating from 5 °C to 60 °C, 4,000 to 80,000 litres, for bulk biochemical oxygen demand testing and microbiological incubation in water, food and pharma laboratories.

Upright ultra-low temperature freezer holding −40 °C to −80 °C on a cascade refrigeration system, with touch-screen control, alarms and Ethernet or PC connectivity for continuous temperature records.

One cabinet carrying two independently controlled chambers, a 2 °C to 8 °C laboratory refrigerator and a 0 °C to −25 °C deep freezer, each with its own display and alarm.

Refrigerated and heated circulating bath with internal and external pump circuits, for holding an instrument or a reaction at a set temperature between -30 °C and 100 °C.

Horizontal refrigerated circulating bath with a flat stainless top and a 110 mm circular opening, built so a rotational viscometer stand can work over the bath while the sample is held at temperature.

Compact recirculating chiller that pumps temperature-controlled coolant to a condenser or jacket, replacing a running tap on a rotary evaporator or glass reactor.

Bench-top bullet-ice maker producing about 15 kg of ice a day from a hand-filled reservoir, for cooling samples, buckets and reagent bottles at the bench.