New Cosmos Electric KD-12B, Instruction Manual

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27

Span Fine-tuning
MEMO
Be sure to conduct the zero adjustment before performing span fine-tuning.
(1) Apply calibration gas corresponding to the equipment.
(2)
Sufficiently stabilize the gas.
(3)
While in gas monitor mode, press the MODE switch of the main unit first. Then press the
UP switch with the magnetic stick within approximately 2 seconds.
(4) The main unit displays first, followed by .
(The product has completed starting but nothing has been operated.)
Example: After zero adjustment,
will be displayed.
(5)
Press the UP or DOWN switch of the main unit with the magnetic stick and adjust the value
to .
(6)
Press the ENTER switch of the main unit.
(7)
The main unit displays first, followed by the present gas concentration.
(8)
Press the UP or DOWN switch of the main unit with the magnetic stick, and adjust the
display of the main unit to the actual span gas concentration.
(9)
Press the ENTER switch.
(10)
The span fine-tuning is completed when is displayed.
(11) Upon completion of the span fine-tuning, the product will automatically return to gas
monitor mode.
(12)
Remove the gasbag.

Perform span rough adjustment if or is displayed.

If an error is displayed, refer to 10. Trouble Alarm .

Carefully handle and make settings with the magnetic stick because the magnet is very
powerful. For details, refer to 3. Contents of Package .
CAUTION
 The external contact may operate during span fine-tuning. Set the product to
maintenance mode or release the interlocks of the external devices if needed before
performing span fine-tuning.
 Only New Cosmos Electric Co., Ltd. maintenance service members or personnel who
have completed a maintenance seminar can perform fine-tuning.
Calibration cap
Calibration gas