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Warranty card of DRAWELL INSTRUMENT CO., LTD

Warranty instructions of DRAWELL Instrument Co.,

Ltd.

1. Each product of the company is attached with a warranty card only as warranty certificate, it

is properly kept by the user; if lost, without supplement.
2. This product, from the date of purchase, is not overhauled and can not be normally used

within one year, it can be carried on with free repair or replacement of parts with this card. If it is

caused the fault as improper use and custody, it should not belong to the warranty scope.
3. The product of the company, after the expiration of warranty period or beyond the warranty

period scope, is gained the free repair, but the cost of the spare parts is paid by the user.
4. Please provide the valuable advices to our products’ quality, use effect or service quality,

etc., and use “Feedback Card” to back them to my company or my designated dealers.

Product quality feedback card

Purchase date:

Product model

DW-RE-52AA

Production lot number

Date of use

Date of failure

Quality conditions:

Signature of

user

Zip code

Contact address

Contact tel number

Views of the relevant departments of the company:

Signature of person in

charge: Date:

Содержание DW-RE-5203

Страница 1: ...re installation and operation Drawell International Technology Limited Shanghai Drawell Scientific Instrument Co Ltd Add Suite 1101 Lane561 XiuChuan Rd Greeland Max Mall PuDong Shanghai China Tel 0086...

Страница 2: ...ater bath under the condition of reduced pressure and make it rotate while heating it so as to make the solution in the bottle diffuse and evaporate It is a relatively ideal basic instrument necessary...

Страница 3: ...sion resistant and can maintain a high vacuum 6 Cooler made of high quality glass of thermostability and refined RE 52AA Vertical Dual reflux 7 Main metal components are made of corrosion resistant hi...

Страница 4: ...clusion methods Phenomena Check causes Handling method No power supply 1 Check whether the power plug is loose 2 Check whether the fuse is disconnected 1 Insert the power plug tight 2 Replace the fuse...

Страница 5: ...purchase otherwise IX Packing List Seri al No Names Qty Seri a l Names Qty 1 Principal machine including control box the head lifting column base of 1 set 7 Stainless steel bracket 1 PC 2 Water bath t...

Страница 6: ...the black lock nut on the right side of head of principal machine encase from the flange of threaded glass joints see the figure below and then screw the black lock nut into the head of principal mach...

Страница 7: ...e heating key and set the temperature which can automatically control the heating process Heating without water is prohibited 5 The process of aligning the head angle is as follows first loosen the pl...

Страница 8: ...it should not belong to the warranty scope 3 The product of the company after the expiration of warranty period or beyond the warranty period scope is gained the free repair but the cost of the spare...

Страница 9: ...ology Limited Shanghai Drawell Scientific Instrument Co Ltd Add Suite 1101 Lane561 XiuChuan Rd Greeland Max Mall PuDong Shanghai China Tel 0086 21 50966080 Fax 0086 21 50966080 Web www drawell com cn...

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