Branson Sonifier 250, User Manual, Page: 8 / 135

100-214-239 1-3
General Precautions
Digital Sonifier
2. The unit is equipped with a three-conductor cord and three-prong grounding type
plug and must be plugged into a three-prong grounded receptacle. DO NOT under
any circumstances remove the power cord ground prong, or use a plug ‘Adapter’.
3. DO NOT operate equipment with the cover removed. High voltage is present within
the equipment when connected to plant wiring.
4. Do not allow the horn or microtip to contact lab stands, beakers, etc. or horn/
microtip failure may result.
5. Establish a standard of operation and periodically test the equipment, as described
in Ultrasonic Test on page 4-17.
Although the Digital Sonifier operates outside the normal range of human hearing,
some applications can create audible noise above 85dB. Noise can occur, for
example, when the device touches a solid material, or when its operation causes
nearby objects in the lab to vibrate. If an uncomfortable level of noise is present,
the operator should wear ear protection for safe operation.
Appropriate eye protection should be worn when operating the Digital Sonifier, to
prevent possible splash injury originating in the solution.
WARNING
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Never touch the horn or tip when ultrasonics are active. Touching the horn or
tip while the unit is on can result in serious injury. When you handle, remove,
or attach a horn or tip, always make sure that the ON/OFF switch is OFF.
1.2.4 Setting Up the Workplace
The unit should be positioned away from radiators and heating vents. A fan inside
the unit maintains a safe operating temperature in the power supply by circulating
air over the components. Therefore, place the unit so that the air intake on the bot-
tom of the power supply is not blocked. Periodically, unplug the unit and clean the
air intake underneath the power supply to ensure that dust or dirt is not restricting
the flow of air. If the Digital Sonifier is to be used for remote operation, ensure that
the unit is situated within full view of the operator, to prevent injury or equipment
damage through an accidental or automatic start-up.
1.3 Regulatory Compliance
The Digital Sonifier is designed for compliance with the following regulatory guide-
lines.
• European norms EN-61010-1, EN55011, EN50082-1, ENV50140, ENV50141
• IEC 529 (IP-65 water resistant for Membrane Keypad)
The Digital Sonifier is CE compliant.