Detcon SG1 - Manual (Page 14)

13
Battery & Sensor Replacement
When you replace the Battery and sensors of the SG1 unit, you need some tools and components
as indicated below.
- Tools: Phillips Screwdriver
- Battery : 3V lithium CR2 battery (Detcon P/N 360-BR0CR2-000)
- Sensors for replacement : Detcon 37P series (See Parts List)
- Filters for replacement
Warning : - It is absolutely prohibited to replace the battery in potential explosion
areas or dangerous regions.
- Replacement of components can damage intrinsic safety function.
- Only sensors provided by Detcon should be used for replacement. Improper
operation could result if unauthorized sensors are used for replacement.
- Disassembly is required only for sensor & battery replacement. After sensor
and/or battery replacement, span gas calibration must be performed.
Disassembly
- Turn off the power.
- Replace the sensor and/or battery, please refer to drawing below.
- After replacement, span gas calibration must be performed to verify
sensor does not fail and battery is operational.
1. Label(Membrane) 6. Battery
2. Calibration Cap 7. Rear Cover
3. Front Cover 8. Belt clip
4. Sensor 9. Machine Screws
5. PCB
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