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H4E-0110
Portable Toxic Gas Monitor
SC-8000
User Maintenance Manual
Need of Maintenance and Servicing
This gas monitor must be maintained in a normal state at all times to prevent accidents due to gas
leaks.
Daily and regular maintenance is required to keep the gas monitor in a normal state. Neglecting
maintenance will result in failures and false alarms.
The specified maintenance procedures must be performed for the sake of maintenance of a
normal state.
Also, maintenance by the manufacturer (comprehensive maintenance) should be performed in
addition to the maintenance specified in this manual.
This manual complements the Operating Manual (main manual). Be sure to read and understand
thoroughly both this manual and the Operating Manual including precautions to ensure proper use
of this gas monitor.
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Summary of Contents for Riken Keiki SC-8000
- Page 1 H4E-0110 Portable Toxic Gas Monitor SC-8000 User Maintenance Manual Need of Maintenance and Servicing This gas monitor must be maintained in a normal state at all times to prevent accidents due to gas leaks. Daily and regular maintenance is required to keep the gas monitor in a normal state. Neglecting maintenance will result in failures and false alarms.
- Page 2 Check the alarm lamp and buzzer for normal operation using the alarm test function. Span Perform the span adjustment by using Adjustment the calibration gas. Gas Alarm Check the gas alarm by using the Check calibration gas. SC-8000 - 2 -...
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Page 3: Maintenance Mode
If any mode that is not described in this manual or the Operating Manual (main manual) (any mode other than the maintenance mode) is entered by mistake, turn off the power once and then try again. - 3 - SC-8000... - Page 4 GAS OUT sampling (Open) Main unit SC-8000 WARNING About the bump test gas The bump test gas is a hazardous gas (toxic, oxygen deficient, etc.) therefore handle the gas and related jigs and tools with due care. (Inhaling the gas must be avoided, the gas sampling bag must be free of holes, etc.)
- Page 5 ▲ or ▼ switch is pressed. P: Pass, F: Fail Stop supplying After checking the result, press ENTER. The gas test gas Return to BUMP. monitor returns to the maintenance mode menu. - 5 - SC-8000...
- Page 6 After checking the result, press ENTER. Return to BUMP. The gas monitor returns to the calibration mode menu. Stop supplying test gas NOTE If "F" (Fail) is displayed after the span adjustment, replace the sensor with a new one. SC-8000 - 6 -...
- Page 7 Perform the span adjustment automatically. (Set the span gas concentration in advance and make adjustment.) Manual Span Adjustment ONE CAL => P16 Perform the span adjustment manually. (While gas is supplied, perform the span adjustment using UP/DOWN.) - 7 - SC-8000...
- Page 8 Press the ▲ or ▼ switch to select ON or OFF and press the ENTER switch to confirm it. K No. Display K No. of the sensor. * No change is required for normal maintenance. START Press ENTER to enter Exit the maintenance mode. the measuring mode. SC-8000 - 8 -...
- Page 9 (The figure on the right shows an example of input for 2011/01/07 19:32.) Once the last part (minute) is entered, the date/time setting is confirmed. After END is displayed, the gas monitor automatically returns to the maintenance mode menu. Return to DATE. - 9 - SC-8000...
- Page 10 When the alarm setpoint setting is completed, press the ▲ or ▼ switch until ESCAPE is displayed. Press the ENTER switch to return to the maintenance mode menu. Return to ALARM-P. SC-8000 - 10 -...
- Page 11 The figure on the right shows an example of ON setting. When the setting is completed, press the ▲ or ▼ switch until ESCAPE is displayed. Press the ENTER switch to return to the maintenance mode menu. Return to BUMP-SET. - 11 - SC-8000...
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Page 12: Span Adjustment
GAS OUT sampling (Open) Main unit SC-8000 WARNING About the span gas The span gas is a hazardous gas (toxic, oxygen deficient, etc.) therefore handle the gas and related jigs and tools with due care. (Inhaling the gas must be avoided, the gas sampling bag must be free of holes, etc.) - Page 13 If the existence of other gases is suspected in the atmosphere before performing the zero adjustment, collect fresh air in a gas sampling bag separately and perform the adjustment supplying fresh air in the same way as for the span adjustment. - 13 - SC-8000...
- Page 14 Keep pressing the switch until RELEASE is displayed. Release the AIR switch. After the fresh air adjustment is successfully completed and END is displayed, the gas monitor automatically returns to the menu. Return to AIR CAL. SC-8000 - 14 -...
- Page 15 ENTER switch to perform adjustment. After the adjustment is successfully completed and PASS is displayed, the gas monitor automatically returns to the menu. Stop supplying the gas. Stop supplying test gas Return to AUTO CAL. - 15 - SC-8000...
- Page 16 Stop supplying the test gas. Stop supplying test gas When the span adjustment is completed, press the ▲ or ▼ switch until ESCAPE is displayed. Press the ENTER switch to return to the menu. Return to ONE CAL. SC-8000 - 16 -...
- Page 17 (3) Remove the sensor connector and then pull out the sensor part by holding the knob of the sensor joint. (4) Remove the sensor and sensor joint from the sensor cap. Sensor joint Sensor cap Sensor part - 17 - SC-8000...
- Page 18 <Replacement Procedure for Other Consumable Parts> For the stable operation of the gas monitor and safety, a qualified service engineer is required to take care of the replacement of the parts that requires high expertise. Please contact RIKEN KEIKI. SC-8000 - 18 -...
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