FBXXX Field Temperature Blocks
Safety Information
6
Use of this instrument at HIGH TEMPERATURES for extended periods of time
requires caution.
DO NOT touch the well access surface of the instrument.
The block vent may be very hot due to the fan blowing across the heater block of the
instrument.
The temperature of the well access is the same as the actual display temperature, e.g. if
the instrument is set to 600°C and the display reads 600°C, the well is at 600°C.
Probes and inserts may be hot and should only be inserted and removed from the
instrument when the instrument indicates temperatures less than 50°C.
DO NOT turn off the instrument at temperatures higher than 100°C. This could create
a hazardous situation. Select a set-point less than 100°C and allow the instrument to
cool before turning it off.
The high temperatures present in Field Temperature Blocks designed for operation
at 300°C and higher may result in res and severe burns if safety precautions are not
observed.
ELECTRICAL HAZARD
These guidelines must be followed to ensure that the safety mechanisms in this instru-
ment operate properly. This instrument must be plugged into an AC only electric outlet
according to Table 2, Specications . The power cord of the instrument is equipped
with a grounding plug for your protection against electrical shock hazards. It must be
plugged directly into a properly grounded receptacle. The receptacle must be installed
in accordance with local codes and ordinances. Consult a qualied electrician. DO
NOT use an extension cord or adapter plug.
If supplied with user accessible fuses, always replace the fuse with one of the same
rating, voltage, and type.
Always replace the power cord with an approved cord of the correct rating and type.
HIGH VOLTAGE is used in the operation of this equipment. SEVERE INJURY or
DEATH may result if personnel fail to observe safety precautions. Before working
inside the equipment, turn power off and disconnect power cord.
1.4.2 Cautions
To avoid possible damage to the instrument, follow these guidelines:
DO NOT leave the inserts in the instrument for prolonged periods. Due to the high
operating temperatures of the instrument, the inserts should be removed after each use
and buffed with a Scotch-Brite® pad or emery cloth (see Section 8Maintenance on
page 71).
Always operate this instrument at room temperature between 5°C and 50°C (41°F to
122°F). Allow sufcient air circulation by leaving at least 15 cm (6 in) of clearance
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