Riken Keiki OHC-800, Руководство по эксплуатации

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1 Important Notices on Safety 1-1. Danger cases
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1
Important Notices on
Safety
1-1. Danger cases
DANGER
<About explosion-proof>

Satisfy the following installtaion requirements of the calorimeter.

Do not open the lid during operation.

Turn off the power of the calorimeter before replacing the fuse.
(Fuse specifications: 250 V, 1 A, Φ 5 x 20 mm, time lag type)

Do not disassemble/modify the calorimeter, or change the settings if not necessary.
Contact RIKEN KEIKI for information on readjustment including gas calibration and parts
replacement.

Do not replace parts at your sole discretion but contact RIKEN KEIKI if the transparent window has a
crack or the explosion-proof joint surface is abnormal, or the clamping screw or bolt is changed, lost
etc.

Never fail to perform a regular maintenance.

Use appropriate cables to wire.

Use ring terminals etc. for electrical connections and ensure safe connection without any slack or
tangle.

Use ring terminals to connect the grounding terminal with the ground and use the grounding wire
with cross-sectional area of 4 mm
2
or more for the external grounding terminal.

The transparent window is made of polycarbonate resin. Be careful that it may be damaged by an
atmosphere of toluene, benzene, ammonia, aromatic hydrocarbon etc.

Do not repair the explosion-proof joint surface.

Use a control key (magnet) specified by RIKEN KEIKI.

Gas conditions (Explosion protection conditions)
Maximum flow rate Measuring gas (GAS IN) 1 L/min
Reference gas (REF IN) 0.5 L/min
Pressure 80 to 110 kPa for all of GAS IN, REF IN, and OUT
Temperature -20 to 57°C for all of GAS IN, REF IN, and OUT
(Japanese explosion-proof spec.)
-20 to 60°C for all of GAS IN, REF IN, and OUT
(Overseas explosion-proof spec.)