MSA DF-8500 - Overview

DF-8500 Gas Detector
2.2 Overview
The device is factory-
calibrated and delivered ready for installation. First calibration
is required after installation. After the detector is put into normal operation,
it is
recommended by MSA to perform calibration once every three months.
The device has:
- a gas sensor
- a four digit 15-segment LED display
- four LEDs for displaying the current status of the detector.
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11
1
2
3
4
5
7
6
9
8
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Figure 2 Description of the Various Part of DF-8500
1. Terminal for power connection
2. 4-digit 15-segment LED display
3. Red LED Indicator (low alarm point)
4. Red LED Indicator (high alarm point)
5. Receiver of remote control
6. Yellow LED indicator (fault)
7. Green LED Indicator (normal status)
8. Sensor
9. Locking device of sensor
10. Identification plate
11. Locking device of lid
12. Sensor guard
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