B2B

Keep a supply of lightweight bags near your entrance for library visitors to use while browsing, or sell them as a library fundraiser.

This plastic unit keeps both face and spine of multiple titles visible. Suitable for books, DVDs and CDs.

Comparator Reagent Tablets - DPD No. 1 & 3 - Pack of 500. A range of comparator reagents tablets for use in swimming pool water testing.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Tests for Alkalinity, Bromine, Chlorine, pH, Calcium Hardness and Cyanuric Acid. The meter has automatic blank recognition and zero setting, 10 readings can be held in the instrument memory. 0-5.0 ppm Chlorine; 0-10 ppm Bromine; 6.8 to 8.4 pH; 0 to 200 ppm Cyanuric acid; 0 to 500 ppm Alkalinity.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Our best selling book cover suitable for paperbacks, reference books, text books and magazines. Strong, clear plastic covers offer protection and increased durability. Available in a wide variety of sizes (pack of 10) or in an assorted pack of 100 covers that includes: 40 x H198mm, 20 x H180mm, 20 x H178mm, 10 x H200mm and 10 x H216mm. To view our full range of sizes, please click on Downloads tab and select Slip-Over Covers sizes list.

Provide great fun and excitement for a wide range of children's age groups.These floats are bound to draw attention in the pool with the bright, fun design .

Keep a supply of lightweight bags near your entrance for library visitors to use while browsing, or sell them as a library fundraiser.

These bookmarks feature a mouthwatering image of the perfect (in our opinion!) Ice Cream Cone, ideal for your summer reading programmes.

These Scratch-and-sniff Bookmarks are a fun way to promote reading. With reading incentive messages such as 'Cool Reader' and 'Pop open a GOOD BOOK' each bookmark has a scratch-and-sniff panel revealing a tantalising smell. Available in a choice of mouthwatering aromas!

These Scratch-and-sniff Bookmarks are a fun way to promote reading. With reading incentive messages such as 'Cool Reader' and 'Pop open a GOOD BOOK' each bookmark has a scratch-and-sniff panel revealing a tantalising smell. Available in a choice of mouthwatering aromas!

These Scratch-and-sniff Bookmarks are a fun way to promote reading. With reading incentive messages such as 'Cool Reader' and 'Pop open a GOOD BOOK' each bookmark has a scratch-and-sniff panel revealing a tantalising smell. Available in a choice of mouthwatering aromas!

These Scratch-and-sniff Bookmarks are a fun way to promote reading. With reading incentive messages such as 'Cool Reader' and 'Pop open a GOOD BOOK' each bookmark has a scratch-and-sniff panel revealing a tantalising smell. Available in a choice of mouthwatering aromas!

A range of comparator reagents tablets for use in swimming pool water testing.

This free-standing Multimedia Display will fit into any environment. Two Ø 64mm non-locking castors can be added to single-faced units for easy mobility and are available separately. Metal inserts allow shelves to reconfigure between holding books and magazines easily, without stripping threads. Combine two single-faced units back-to-back to create a double-faced display.

A high-quality simple-to-use student signal generator with a range of applications. Operated with just three buttons: Waveform, Frequency and Amplitude. There is a single output, provided with 4 mm safety sockets. The output can easily drive a speaker or vibrator with ample amplitude for resonance and diffraction experiments. The frequency range extends well beyond the audible range. The lowest frequencies are suitable for ""slow motion AC"" experiments. Unique frequency control The frequency is set with a speed-sensitive button. If you turn slowly, the last digit of the display is set. Turning faster, the response accelerates smoothly. The generator covers the six decades from 0.05 Hz to 50.00 kHz in a single range. The frequency is stable within 0.005 % Three waveforms The generator provides sine, triangle, or square wave signals. Distortion of the sine wave is less than 0.25 % in the audible range (20 Hz - 20 kHz) and remains below 1 % throughout the frequency range (0.05 Hz - 50 kHz). Built-in power amplifier The signal amplitude is continuously adjustable from 0 V to a peak voltage of 7.5 V (15 V p-p; 5.3 V RMS). More than 1 A peak current can be supplied. The output is overload protected. Supplied with 12 V power adapter.

Voltages of 0 to 30 V DC and 0 to 300 V DC at up to 60 mA. Outputs are fully floating to provide negative voltages if required and are taken from pairs of colour-coded 4 mm sockets on the front panel. Each output has a continuously variable voltage control, with electronic current limiting circuitry. An indication of the output voltage is given by a graduated scale on each voltage control. A pair of 4 mm sockets on the front panel provide 6.3 V AC at up to 2 A for filament heating. An illuminated on/off switch is mounted on the rear panel adjacent to a fused appliance inlet. Housed in a robust metal case with a durable powder coated finish. •DC Output Voltage Range No1: 0 to 30 V DC •DC Output Voltage Range No2: 0 to 300 V DC •Maximum DC Output Current: 60 mA (both ranges) •AC Output Voltage: 6.3 V AC •Maximum AC Output Current: 2 A

A low-cost alternative to dry cell batteries. Housed in a robust ABS plastic case, this power supply is ideally suited as a replacement in applications where batteries are normally used. Smoothed and regulated DC is available over those ranges selected by rotary switch. Output is via 4 mm red and black sockets. The DC output voltage available are 1.5, 3, 4.5 and 6 V DC at a maximum current of 1 A.

Continuously variable 0 to 20 V AC and full-wave rectified DC at maximum 6 A continuously or 8 A for short periods. Resettable thermal cut-out. Outputs from two pairs of colour-coded 4 mm sockets. Output voltage is indicated by means of a calibrated scale. An illuminated on/off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish. •AC Output Voltage Range: 0 to 20 V AC •Maximum AC Output Current: 6 A (8 A short period of time) •DC Output Voltage Range: 0 to 20 V DC •Maximum DC Output Current: 6 A (8 A short period of time)

This unit provides voltages of 2, 4, 6, 9, 12 or 14 V AC or full-wave rectified DC at 4 A continuously, or up to 5 A for periods of 1 hour. Voltages are selected by means of a rotating switch on the front panel. In any incidence of overload, including direct short, a current sensing circuit breaker mounted on the front panel will operate and disconnect the output voltage. Outputs are taken from colour coded 4 mm sockets mounted on the front panel. An illuminated on/off switch is mounted on the rear panel adjacent to a fused appliance inlet. Housed in a robust metal case with a durable powder coated finish. Supplied with mains lead and instructions. •AC Output Voltage Range: 2, 4, 6, 9, 12 and 14 V AC •Maximum AC Output Current: 4 A (5 A up to 1 hour) •DC Output Voltage Range: 2, 4, 6, 9, 12 and 14 V DC •Maximum DC Output Current: 4 A (5 A up to 1 hour)

Continuously variable output from 100 V to 5 kV DC. Output voltage is indicated on a 14 mm 2-digit LED display. The EHT circuits are fully floating so that for certain applications the positive or negative terminal may be safely connected to earth. The EHT outputs are taken from 4 mm shrouded sockets and provide 100 V to 5 kV DC at up to a maximum of 3 mA or current limited to 60 µA. A centre tapped socket is provided to give ±2.5 kV DC output. An additional pair of 4mm shrouded sockets at 19mm spacing are provided giving 6.3 V AC at 2 A for filament supplies. There is also a separate earthing terminal. An illuminated on/off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish. Supplied with instructions and detachable mains lead. •DC Output Voltage Range: 100 V to 5 kV DC •Maximum DC Output Current: 3 mA •Maximum DC Limited Current: 60 µA •AC Output Voltage: 6.3 V AC •Maximum AC Current: 2 A Accessories •5 kV Lead Red: EL91360 •5 kV Lead Black: EL91362

This signal generator and amplifier provides sine, square or triangular waveforms. Frequency selection is by a switched range and continuously variable fine adjustment control. The frequency is displayed on an LED display. All connections are via pairs of labelled 4 mm sockets with one of each pair connected to earth. An illuminated on/off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish. Signal Generator Mode: •Waveforms - Sine, Square & Triangular, sinewave distortion 1% on all ranges, square wave rise time 1 µs approx. •Frequency Range - 0.1 Hz to 100 kHz in six ranges, accuracy ±5% on all ranges •Voltage Output - 0 to 10 V (peak to peak), continuously variable across all ranges & waveforms •4 Ω Output - Power output of 4 W over entire frequency & waveforms, will drive loudspeaker or other suitable devices •600Ω Output - Provides attenuation settings: x 1, x 0.1 & x 0.01, all ±5% Amplifier Mode: •Performance - Voltage gain 0 to 100, Input impedance 1 MΩ, Max. input 200 mV (pk to pk), Output spec. same as above •Frequency Response - Frequency response 1 Hz to 100 kHz (-3 dB bandwidth)

Sine and square wave generator. Frequency range 5 Hz to 50 kHz in four switched ranges plus a fine control. Accuracy typically ±10%. The output amplitude is continuously variable from zero to maximum 8 V peak to peak with maximum output power 1 W into 8 ohms. The output is taken from two 4 mm sockets mounted on the front panel. An illuminated on/off switch is mounted on the rear panel adjacent to a fused IEC mains inlet. Enclosed in a robust metal case with a durable powder coated finish.

The Powerbase S8 offers 0 to 12 V at 8 A via a safe relay switching system that provides voltages in 1 V steps. AC and DC voltages are available simultaneously in any combination up to a combined output of 8 A. The output is safely protected by a thermal cut out switch on the front panel with an output limiter which allows the user to preset the maximum voltage available. 0 to 12 V AC/DC in 1 V steps 8 A combined simultaneous output lockable via an Allen key mechanism. • Maximum output 0-12 V DC & 0-12 V AC • Current 8 A • Supplied with Allen key to lock minimum or maximum output • Voltage selector type - Relay switched • Output type - Smooth non-regulated • Push button trip reset • Mains input 230/240 V AC, 50 Hz • Supplied with mains plug and lead + Allen key • Manufactured in the UK

The Powerbase V8 comes with a high-power rotary transformer and a high specification toroid transformer. The unit supplies 0-20 V smoothed DC and 0-16 V AC at 8 A. The output is continuously variable and protected by a panel mounted thermal cut out. An output limiter is fitted which allows the user to preset the maximum voltage available. •A heavy-duty power supply for powering laboratory experiments •Heavy duty variable transformer and high-power toroid transformer •Continuously variable output of 0 to 16 V AC and 0 to 20 V DC, capacitor smoothed •Output current 8 A. Output voltages are rated at 8 A load so higher voltages are available at less output current. •Manufactured in the UK with 5 years warranty •AC and DC outputs may be used simultaneously up to rated current. •Colour coded 4 mm sockets. •Maximum voltage limiter operated by Allen key •Push button cut-out to protect against overload and short circuit conditions •Mains Input 230 V, 50 Hz •Fusing: 5 A mains plug fuse

This repair kit for Irwin power supplies allows damaged plastic cases to be replaced quite easily. The kit comprises brand new plastic case in original Irwin blue, gloss black or crystal clear, three ""mushrooms"", which fit on the back of the case and act as cable tidy, new cable clamp and complete fitting instructions. In case of difficulties removing the old cable clamp and cable, specially designed tool to make the job easier is also available.

The Powerbase S5 is a great value power supply that provides a range of AC and DC voltages at 5A. Smoothing is achieved by a 4700uF capacitor. The supply has safe lockable DC and AC outputs ensuring the unit does not exceed the voltage required for experiments carried out by students. • AC & DC Output Voltages DC 3, 7, 10, 13, 17, 20 V - AC 3, 6, 8, 11, 13, 15 V • Current 5A • Supplied with and Allen key to lock minimum or maximum output • Voltage selector type - Stepped • Output type - Smooth non-regulated • Push button trip reset • Mains input 230/240V AC, 50Hz • Supplied with fused mains plug, lead and Allen key • Manufactured in the UK

The Powerbase S10 2-12 V AC/DC switched 5 A power supply unit is ideal for powering electrical experiments using the output voltages ranging from 2, 4, 6, 8, 10, 12 V AC and DC. Safe lockable DC and AC output this ensuring the unit does not exceed the voltage required for experiments carried out by students. • AC & DC Output: 2, 4, 6, 8, 10,12 voltage range in AC and DC • Current 5A • Supplied with Allen key to lock minimum or maximum output • Voltage selector type - Stepped • Output type - Full wave rectified, non-regulated • Push button trip reset • Mains input 230/240 V AC, 50 Hz • Supplied with mains plug and lead + Allen key • Manufactured in the UK

This Power Supply is suitable for wide variety of appliances which are powered by USB. UK mains plug with standard USB-A socket on top. V 2.1 DC output. • 5 V DC 2.1 (10.5 W) • RoHS compliant • CE marked

Spare Black Terminals for Satz School Power Stations.

Spare red terminals for Satz School Power Stations.

Car foot pump with 120 mm barrel and 450 mm hose with nylon connector and football inflator adapter. Complete with integral pressure gauge marked 0-100 p.s.i. and 0-7 kg/cm2 (7 bar).

The pump can be used to demonstrate the following: • Principle of siphon • Filtering using suction • Investigation of leaks in piping • Indirect transfer of liquid by means of negative pressure Please note this pump is not suitable for ""Bell in Jar"" experiments.

Javac V100 vacuum pump oil.

Rotary vane high vacuum pump, oil sealed and ideally suited for use in education. This unit is relatively quiet in use, can be operated for long periods of time, is robust, and is engineered for school use. The large oil capacity of 350 mL provides for long operation between oil changes. An oil level sight glass is incorporated so that the oil can be monitored. •Model: Javac CC-31ED •Air displacement: 40 L/minute •Ultimate vacuum: 25 micron 8 mm rubber hose fitting •Dimensions (L x W x H): 330 x 135 x 255 mm •Weight: 9.8 kg

Diaphragm pump suitable for vacuum or pressure work. Housed in a splashproof polycarbonate case. Please note this pump is not suitable for ""Bell in Jar"" experiments. 5 L/min flow rate 0.7 bar pressure 4 mm inlet/outlet Conforms to IEC1010

This robust Chemical Filtration Pump with PTFE diaphragm is a durable chemical resistant vacuum pump which is suitable for the following applications: vacuum filtration; desiccation; aspiration; degassing; other mid-range vacuum applications. It is ideal for both single funnel use and up to 6 holder manifold filtrations and suitable for organic and light acid/base (e.g. acetic acid solutions. The pump can also be used to pressurize up to 18 PSIG. Free air flow 31 l/min; Maximum vacuum 200 mbar. Please note this pump is not suitable for ""Bell in Jar"" experiments. Applications: • Filtration • Vacuum drying • Desiccators • Concentration • Suitable for basic and acid media Design Features: • PTFE wetted parts • Low noise emission • Direct drive • Continuous operation • No oil contamination • Low maintenance even in aggressive applications

Designed for general lab applications requiring only rough vacuum and moderate pressure. The pump is housed in tough, lightweight, plastic housing with an integral carrying handle and can be run continuously permitting use in applications such as filtering, drying, aerating and gas sampling. Easy to connect to apparatus via the hose connection on the side of the unit. Not recommended for organic, basic and acidic vapours. Vacuum to 292 mbar (219 Torr/21.3 in. Hg) and pressure to 2.3 bar (33 PSIG). Quiet, oil-free technology. Please note this pump is not suitable for ""Bell in Jar"" experiments.

Designed with microprocessor-controlled dual thermocouples, this stirring hot plate offers accurate temperature control and protection from overheating. The analogue models feature a coloured LED indicator which surrounds the heat control knob illuminating the actual surface temperature in real time. Powerful magnets and motor provide stirring speeds of up to 2000 rpm and mixing capability of up to 15 L of liquid. The square plate design allows flexibility of vessel sizes and combinations. Up to four 250 mL beakers can easily fit on the surface at the same time. To keep you safe, a “hot” warning light flashes whenever the plate surface temperature is above 50°C and continues to flash until the temperature drops below 50°C, even when unplugged. The unit includes BioCote antimicrobial protection which reduces the presence of odour and stain causing microbes such as bacteria, mould, and fungi on the product surface by up to 99.99%. Formulated from silver ion additives, BioCote provides built-in antimicrobial protection to support a more hygienic laboratory environment. This model includes an integral fitting for a retort rod and allows the retort base to slide underneath. Featuring a chemically resistant glass ceramic top plate that stays cool around the edges to help prevent burns. Please Note: BioCote® technology does not protect users or others against disease causing bacteria, germs, viruses, or other harmful organisms. This technology is not a substitute for good hygiene and/or cleaning practices.

Designed with microprocessor-controlled dual thermocouples, this stirring hot plate offers accurate temperature control and protection from overheating. The analogue models feature a coloured LED indicator which surrounds the heat control knob illuminating the actual surface temperature in real time. Powerful magnets and motor provide stirring speeds of up to 2000 rpm and mixing capability of up to 15 L of liquid. The square plate design allows flexibility of vessel sizes and combinations. Up to four 250 mL beakers can easily fit on the surface at the same time. To keep you safe, a “hot” warning light flashes whenever the plate surface temperature is above 50°C and continues to flash until the temperature drops below 50°C, even when unplugged. The unit includes BioCote antimicrobial protection which reduces the presence of odour and stain causing microbes such as bacteria, mould, and fungi on the product surface by up to 99.99%. Formulated from silver ion additives, BioCote provides built-in antimicrobial protection to support a more hygienic laboratory environment. This model includes an integral fitting for a retort rod and allows the retort base to slide underneath. Featuring a coated aluminium top plate for rapid heating and better temperature uniformity. Please Note: BioCote® technology does not protect users or others against disease causing bacteria, germs, viruses, or other harmful organisms. This technology is not a substitute for good hygiene and/or cleaning practices.

A cost effective hotplate/stirrer, the 'MS-Series has the following features and specification: • Case construction: Steel, with chemical resistant coating • Stage area: 180 x 180 mm • Temperature: Up to 400 °C (max) • Speed range: 100 - 1500 rpm • Power Supply: 220 AC