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Ohaus Guardian Hotplate-Stirrer G21HSRDS

Our Price: £270.00 + VAT (£324.00 inc VAT)

Description

ugged and Reliable Analog Hotplates and Stirrers for General Purpose Heating and Stirring

  • Powerful stirring and fast heating at an economical price. Safely heat up to 500°C and stir up to 15L with easy to use knob control for simple and reliable everyday heating and stirring in the lab.
  • Designed to last – the rugged metal housing has a spill resistant design for long life in the lab under harsh conditions. The smooth, chemical-resistant ceramic top plate is perfect for easy clean up.
  • Safety is of utmost importance – the prominent hot top indicator light illuminates when the heater is above 40°C, keeping the end user safe during all heating applications.

Product Specifications

Function Heating and Stirring
Capacity 15 L
Plate Construction Ceramic Coated Stainless Steel
Plate Size (Ø_Diameter) 135 mm (5.3 in)
Temp. Range 50°C – 380°C
Speed Range 200 rpm – 1,600 rpm
Control Analog
Dimensions (Length) 264 mm (10.4 in)
Dimensions (Width) 163 mm (6.4 in)
Dimensions (Height) 101 mm (4 in)
Net Weight 2.5 kg (5.5 lb)
Power 220V-240V~ 4A 50Hz
Power Consumption 535 W
Safety Certification TUV
Speed Range 200 to 1600 rpm
Working Environment 5°C – 40°C, 80%RH, non-condensing
Working Environment 41°F – 104°F, 80%RH, non-condensing

 

Logistic Specifications

Country of origin CN
Customs tariff number 8419899890

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Frequently Asked Questions

Please see below for answers to frequently asked questions.

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.

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.

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.

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.

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.

Need help? Speak to one of our experts Contact Us

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