User manual HANNA INSTRUMENTS HI 190

[. . . ] Instruction Manual HI 190 - HI 200 Magnetic Stirrers Dear Customer, Thank you for choosing a Hanna product. Please read carefully this instruction mnaula before using the device. [. . . ] HI 190M and HI 190MB have a plastic cover that will resist the harmful effects of chemicals that are accidentally spilled. HI 200M is provided with an AISI 316 stainless steel cover. This model is ideal for applications that involve exothermic reactions. Each stirrer is supplied complete with a magnetic stir bar (L 25 x dia 7 mm). 1) Fuse holder for 400 mA/250 V fuse 2) AC power cord REAR PANEL OF HI 190MB 1) Fuse holder for 400 mA/250 V fuse 2) DC power socket for 12 Vdc adapter Always unplug the stirrers before replacing the fuse. www. hannainst. com Teflon® is a registered Trademark of "du Pont de Nemours & Co. " OPERATIONAL GUIDE · Make sure that the SPEED knob is in the OFF position. MAGNETIC STIRRER HI 190M POWER ON OFF MAX · Allow sufficient time for the mixing operation to attain uniform rotational flow. CE DECLARATION OF CONFORMITY WARRANTY All Hanna Instruments products are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. This warranty is limited to repair or replacement free of charge. Damages due to accident, misuse, tampering or lack of prescribed maintenance are not covered. If service is required, contact the dealer from whom you purchased the instrument. If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection. SPEED · Place a beaker or glass container on the top of the stirrer and place the stirring bar at the center of the beaker base. MAGNETIC STIRRER HI 190M POWER ON OFF MAX SPEED · After stirring is completed, turn the SPEED knob to OFF position. · If no further stirring is required, disconnect the power supply. MAGNETIC STIRRER HI 190M POWER ON OFF MAX SPEED · Pour the liquids to be mixed into the beaker. [. . . ] Unplug the stirrers from the power supply before replacing the fuse. To avoid damages or burns, do not place these stirrers in microwave ovens. Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. IST190R4 06/05 [. . . ]