3 chemical and biological safety – Hach-Lange DR 3900 User Manual User Manual
Page 12

12
General Information
regions may contravene national laws. The manufacturer 
reserves 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 transmit 
information and data. The RFID module operates with a 
frequency of 13.56 MHz.
Follow the following safety information, in addition to any local 
guidelines in force.
Safety information for the correct use of the instrument:
•
Do not operate the instrument in hospitals or comparable 
establishments in proximity to medical equipment, like pace 
makers or hearing aids.
•
Do not operate the instrument near highly flammable 
substances, such as fuels, highly combustible chemicals and 
explosives.
•
Do not operate the device near combustible gases, vapors or 
dust.
•
Do not vibrate or jolt the instrument.
•
The instrument can cause interference in immediate 
proximity to televisions, radios and computers.
•
Do not open the instrument.
•
Guarantee is voided if the instrument is not used in 
accordance with the guidelines present in this document. 
2.1.3
Chemical and Biological Safety
With normal operation of this device the use of chemicals risking 
health or biologically harmful samples can be required.
•
Before handling these substances observe all danger notes 
and safety information printed on the containers of the 
original solutions and in the safety data sheet.
•
Dispose of all consumed solutions in accordance with the 
national regulations and laws.
•
Select the type of protective equipment suitable to the 
concentration and quantity of the dangerous material being 
used.
WA R N I N G
The spectrophotometer may not be used in dangerous environments.
The manufacturer and its suppliers reject any express or indirect 
guarantee for use with high-risk activities.
D A N G E R
Potential danger with contact with chemical/biological substances.
Working with chemical samples, standards and reagents can be 
dangerous. 
Make yourself familiar with the necessary safety procedures and the 
correct handling of the chemicals before use and read and follow all 
relevant safety data sheets.
