Guardian 3000 Ohaus

Mini heating plates and magnetic stirrers This ruggedly built OHAUS series of small instruments can  (more)heat and mix up to 1,000ml of water on their 102 x 102mm ceramic plate. They are perfect for school labs and other applications that require simple shaking and heating on a daily basis. All models are equipped with a support rod hook with a locking knob that accommodates the optional support rod kit. Stir models include a 38mm PTFE coated magnetic stir bar. Available models: Model with heating: up to 500°C. Fixed temperature model: 500°C. Model with stirring: 500°C. Model with heating and stirring: stirring from 100 to 1200 rpm; temp. up to 500°C. Applications Boiling water, solubilization buffers and reagents, preparation media, concentration samples Operation Detachable three-wire cable and plug (included) Structure Valox armor, knobs with basic controls, 3.8cm stir bar (included with stir models), On / Off toggle switch (fixed temperature models) ___________ Not sure which model to choose? Download the Ohaus Hotplate and Shaker Selection Guide for a quick overview of all available models.

Guardian 2000 Ohaus - Economical, for general stirring and heating Ideal for education and laborator (more)ies requiring fast, economical daily heating and reliable stirring up to 15 litres. All three models offer a simple knob control to easily adjust the heating and/or stirring functions. The heavy-duty construction includes an optional support rod holder. Stir models include PTFE coated stir bars. ★ Safe heating up to 500°C and stirring up to 15L with an easy to use knob control ★ Rugged metal housing with spill resistant design. The smooth, chemical-resistant ceramic soleplate is easy to clean ★ Safety is of the utmost importance: the indicator light turns on when the plate exceeds 40°C, ensuring operator safety during all heating applications. Applications Boiling liquids, preparation of samples and stock solutions, buffers and dissolution reagents, preparation of media, concentration of samples Display Light indicator for hot plate, green light when unit is heating and/or stirring Functionality Simple knob control, agitation up to 1600 rpm, temperature up to 500°C (or 380°C for round plate model) power cord (included), agitation models include PTFE coated stir bar Construction Heavy duty metal housing, PET front panel, control knobs, ON/OFF switch to disconnect heater, integrated support rod holder, easy to clean ceramic coated resin, ceramic or stainless steel tops Clean and simple control panel. For education, it is designed for maximum safety in the classroom. Easy Swtich on/off for all models. Fast and secure. THE MODELS AVAILABLE: The Guardian 2000 is made up of 9 models. Models with hotplate only, with magnetic stirring only or with both. In turn, they can be chosen for the size of the plate: 102x102mm; 174x174mm; Ø135mm.

The new Ohaus Guardian 3000 - Digital Magnetic Hotplate Stirrers. Designed for safety, powerful mixi (more)ng and rapid heating in any type of laboratory. You can choose from three models with different plate sizes to best suit your needs and applications. All models can be used with the optional temperature probe for precise sample temperature control. ★ Industry-leading security at affordable prices. ★ Equipped with SafetyHeatTM: constantly monitors the instrument and stops heating in case of overheating. ★ Designed to last: metal structure and ceramic plate. Applications Boiling Liquids, Water/Oil Bath Preparation, Sample and Solution Preparation, Dissolving Buffers and Reagents, Preparing Media, Concentrating Samples Display Backlit LCD Display for temperature and speed, green indicator lights when unit is heating and stirring, prominent hot top indicator light, probe in use icon, Single Point Calibration icon Operation Stirring from 80 to 1600 rpm, ambient temperature range from +5°C to 500°C (ceramic top) or 380°C (ceramic-coated steel top), power cord (included), stirring models include PTFE-coated stir bar Construction Durable metal housing, PET front panel, control knobs, on/off switch for heater disconnect, built-in support rod holder, easy-to-clean ceramic or ceramic-coated stainless steel tops Design Features Hot top indicator light to protect user; green indicator lights illuminate when unit is heating and stirring; temperature probe connector for use with optional temperature probe

Number of stirring positions: 1 Stirring quantity max. per stirring position (H2O): 15 l Maximun loa (more)d: 20 kg Speed adjustment: scale 0 – 6 Speed range: 100 – 1500 rpm Stirring bar length max: 80 mm Self-heating of the set-up plate by max. stirring (RT:22°C/duration:1h): +1 K Heating temperature range: 50 – 500°C Heat control: Turning knob Temperature setting resolution of heating plate: 5 K Connection for ext. temperature sensor: PT1000 (not included) Fixed safety circuit: 550°C Set-up plate material: ceramic Set-up plate dimensions: 260 x 260 mm Heating rate (1l H2O in H1500): 5 K/min Dimensions (WxHxD): 300 x 105 x 415 mm Weight: 8.308 kg

Suitable for volumes up to 10 liters (H2O) Temperature range up to 300°C Stirring speed: 0 – 1100 rp (more)m Plate diameter: 125 mm Dimensions (LxWxH): 240 x 150 x 120 mm

Temperature control: continuously adjustable from room temperature to 300°C Speed: continuously adju (more)stable from 80 – 1600 rpm Stirring amount: 10 L Dimensions (WxDxH): 150 x 150 x 100 mm Diameter of the heating plate: approx. 130 mm Weight: 2.5 kg