Specifications

GDC-150 Operation Manual
5209-9000 Rev 0 5
2.4. Sensors (Solid-State and Catalytic)
Solid-State Catalytic
Type Solid-state MOS
4
Catalytic pellistor
Range
Combustible: 0-50% LEL
Refrigerant: 0-2000 ppm
0-100% LEL of target
combustible gas or vapor
Life Span
Combustible: Approximately 5
to 8 years in clean, ambient
conditions
Refrigerant: Approximately 5+
years in clean, ambient
conditions
Approximately 5 years in clean,
ambient conditions
Resolution
Combustible: 1% LEL
Refrigerant: 2 ppm
1% LEL
Temperature
-20°C to +40°C
(-4°F to +104°F)
-20°C to +40°C
(-4°F to +104°F)
Humidity 0-90% non-condensing 0-90% non-condensing
Response
Combustible: T
90
= <60 seconds
Refrigerant: T
90
= <120 seconds
for most refrigerants
T
90
from air to 50% LEL = <12
seconds
Warm-up
2 minute delay
24 hours for best performance
(maximum accuracy)
2 minute delay
1 hour for best performance
(maximum accuracy)
4
MOS: Metal Oxide Semiconductor