Environmental Express HotBlock CURRENT - Manual (Page 7)

800.745.8218 / 843.576.1147 / www.environmentalexpress.com Environmental Express • 5
HotBlock™: Operation and Instruction Manual HotBlock™ Information and Markings
Environmental Express HotBlock™
Environmental Express HotBlocks™ provide an efficient method of digesting and
storing water, wastewater, soil and sludge samples for metals analysis. These
innovative digestion systems allow samples to be digested in a corrosion-free
environment. In addition, samples are handled in a small area with minimal
radiant heat loss. Users should be aware of potential dangers from heating certain
types of compounds. Such hazards may include explosion or the release of toxic or
flammable gases.
Definitions/Markings
Each HotBlock™ displays certain markings and symbols. All personnel working
with the HotBlocks™ should have an understanding of the following symbols and
definitions:
• V = voltage
• ~ = alternating current
• Hz = frequency
• A = amperes
This symbol means Caution
Hot Surface. The surface of the
HotBlock™ may be too hot to
safely touch with bare hands.
This symbol means Read
and become familiar with
instructions before operation of
instrument.