11-10
The gas measurement accuracy of the multigas unit should be checked every year. The date
of the last measurement check will be displayed on the "Gas Calibration" screen.During the
accuracy check, gas measurement and other gas function cannot be used.
To correct the gas measurement drift, zero calibration is necessary. The automatic zeroing
is performed periodically, but perform it manually as necessary.
Zeroing should be performed with the transducers opened to air.
During accuracy check, the pressure display on the calibration gas regulator should be in
the range displayed in green.
1
Attach the water trap for adult/pediatric to the MGU-800/810, and set the "Flow Rate" to 200 mL/min.
Press the [Menu], [Gas]("Parameter"), [Agent] keys to display the "Agent" setup screen, and select [ 200 mL/
min] for the "Flow Rate".
The "Flow Rate" can be set on the CO
2
, O
2
, N
2
O, Agent setup screen.
2
Press the [Menu], [Maintenance], [GAS Accuracy Check] keys.
The "Gas Accuracy Check" screen will be displayed.
If the multigas unit is not connected, "Not connected" will be displayed.
While the multigas unit is in process of warming up, "Warming Up" message will be displayed, and the gas
measurement accuracy check cannot be started.
The warming up process will take about 10 minutes from start-up of the gas unit.
When the warming up process completes, "Supply calibration gas" message will be displayed.
NOTE
NOTE
Содержание DS-8400
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