12General Informationregions may contravene national laws. The manufacturerreserves the right also to obtain authorisation in other countries.In case of doubt, please contact the distributor.The DR 3900 contains an RFID module to receive and transmitinformation and data. The RFID module operates with afrequency of 13.56 MHz.Follow the following safety information, in addition to any localguidelines in force.Safety information for the correct use of the instrument:• Do not operate the instrument in hospitals or comparableestablishments in proximity to medical equipment, like pacemakers or hearing aids.• Do not operate the instrument near highly flammablesubstances, such as fuels, highly combustible chemicals andexplosives.• Do not operate the device near combustible gases, vapors ordust.• Do not vibrate or jolt the instrument.• The instrument can cause interference in immediateproximity to televisions, radios and computers.• Do not open the instrument.• Guarantee is voided if the instrument is not used inaccordance with the guidelines present in this document.2.1.3 Chemical and Biological SafetyWith normal operation of this device the use of chemicals riskinghealth or biologically harmful samples can be required.• Before handling these substances observe all danger notesand safety information printed on the containers of theoriginal solutions and in the safety data sheet.• Dispose of all consumed solutions in accordance with thenational regulations and laws.• Select the type of protective equipment suitable to theconcentration and quantity of the dangerous material beingused.WA R N I N GThe spectrophotometer may not be used in dangerous environments.The manufacturer and its suppliers reject any express or indirectguarantee for use with high-risk activities.D A N G E RPotential danger with contact with chemical/biological substances.Working with chemical samples, standards and reagents can bedangerous.Make yourself familiar with the necessary safety procedures and thecorrect handling of the chemicals before use and read and follow allrelevant safety data sheets.
