Hotplate Stirrer Ohaus Guardian 3000

Our Price: £367.38 – £400.78 + VAT (£440.86 - £480.94 inc VAT)

Hotplate Stirrers from Ohaus. The Guardian 3000 is a mid level stirrer ideal for laboratories with intermediate requirements.

Description

Ohaus Guardian 3000 Hotplate Stirrer – Mid level scientific or pharmaceutical hotplate stirrer. A perfect accompaniment to a precision balance.

A hotplate stirrer is a lab tool that heats and mixes solutions simultaneously using a heated surface and a magnetic stir bar. Perfect for chemical, biological, and microbiological applications, offering precise control and safety vs a open flame alternative.

The OHAUS Guardian 3000™ hotplate stirrers provide fast heating from 380°C to 500°C and can stir up to 15L. Similar to the G2000, the G3000 uses a simple knob but has an additional digital display for improved operation. The exterior shell has a durable, spill-resistant housing and a chemical-resistant ceramic top for product longevity. A hot top indicator light is clearly visible, alerting the user the item may be hot.

Unlike the other Ohaus Guardians in the range that allow independent hotplate or stirrer only models the G3000 is a dedicated Hotplate and Stirrer.

30680196 – Ohaus Guardian Hotplate-Stirrer G31HS04C – Top plate size 10.8 x 10.8 cm
30680195 – Ohaus Guardian Hotplate-Stirrer G31HS07C – Top plate size 18 x 18 cm
30680194 – Ohaus Guardian Hotplate-Stirrer G31HSRDS – Top plate size Ø 13.5 cm

Ideal Applications:

Educational setting such as Schools, Collages Universities
Pharmaceutical used in testing and production
Scientific applications from chemical to biological and more

Advantages of the Guardian 3000 (G3000) Hotplate Stirrer:

Powerful Performance: Fast heating up to 500°C, reliable stirring for up to 15L, controlled easily with knobs.
Durable Design: Spill-resistant metal housing and a smooth, chemical-resistant ceramic top for easy cleanup.
Safety Features: Hot top indicator light that alerts users when the surface exceeds 40°C, ensuring safe operation.
Versatile Applications: Suitable for boiling liquids, preparing solutions, and concentrating samples in various lab environments.

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Frequently Asked Questions

Please see below for answers to frequently asked questions.

Are readability and accuracy the same thing?

No, although they are both useful measures of weighing equipment performance. Readability refers to the smallest increment of weight that scales or balances will display. A readability of 0.5g, for example, means the scale would display an item of 10.503g’s weight as 10.5g and an item of 10.805g as 11.0g.

Accuracy is a measure of the possible difference between the displayed weight and an item’s real weight. It is often displayed as a percentage. An accuracy of +/- 1% means the scale could measure 100g as anywhere between 99g and 101g.

Do I need a calibration certificate?

A calibration certificate proves the accuracy of your weighing equipment. It is very likely that if accuracy matters in your workplace, certification will be required by your industry regulators. They are straightforward to get hold of though. Just ask our team.

Do I need a "Verified For Trade Use" scale?

If you are trading or transacting anything by weight, you will probably need to demonstrate your weighing equipment is verified for trade use. This gives your customers confidence in your business and will make sure buying and selling run smoothly. We can help get you with relevant approvals for your equipment.

How often should I have my scales calibrated?

The answer will vary depending on how your equipment is used. As a minimum, we typically recommend once a year but our team can provide advice based on your individual circumstances.

Which class of test weight should I use?

The International Organization of Legal Metrology (OIML) has established standards for the classification of calibration test weights. Varying from E0 & E1, which are the most accurate to M2 which are commonly used for calibrating platform scales, floor scales and other industrial weighing instruments.

As a rough guide we have listed desired accuracy against class below.

+/- 0.1% – UNclassed Proof Load Test Weights
+/- 0.05% – M3 (Check/calibrate coarse scales)
+/- 0.005% – M1 (Check/calibrate standard scales)
+/- 0.0015% – F2 (Check/calibrate portable balances)
+/- 0.0005% – F1 (Check/calibrate precision balances)
+/- 0.00015% – E2 (Check/calibrate analytical balances)

The choice of weight class depends on the intended use and the level of accuracy required for a particular application. If you’re unsure, talk to our team who can advise you on the right class for your equipment.

How to pack a scale for shipping

If you’re sending a scale back to us for recalibration, it is ideal to use the original packaging. If this is not available choose a sturdy well-padded box to avoid shocks. Where possible, protect the load sensor by removing the weighing pan and any under-pan support and pack these separately in the box. You may be able to use the equipment’s locking pins or screws too.

Do ensure all the paperwork, including your contact details, is included to ensure we can return it once calibration is complete.

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Hotplate Stirrer Ohaus Guardian 3000

Description