GDC-350 Operation Manual
5909-9000 Rev 1
5
2.2. Sensor Specifications
Categories/Subcategories
Descriptions
On-Board
Sensors
Electrochemical
1
Response:
<30 seconds to 90% of signal
response
(Gas Specific)
Temp Range:
0° C to +50° C (operating)
Repeatability: ±10% of set point
Life Span:
2 to 3 years in air (under normal
conditions)
Gases:
CO, NO, NO
2
, SO
2
(gas-specific)
Temperature
Range:
-20° to 40° C (-4° to 104° F)
Remote
Sensors
Solid-state
Combustibles
(Non-specific)
Response:
<35 seconds to 90% of signal
response
Temp Range:
0° C to +40° C (operating)
Repeatability: ±10% of set point
Life Span:
5+ years in air (under normal
conditions)
Gases: E.g.,
Propane
(C
3
H
8
), gasoline
vapors, methane (CH
4
) (non-
specific combustibles)
Solid-state
Refrigerants
(Non-specific)
Response:
<120 seconds to 90% of signal
response
Temp Range: 0° C to +40° C (operating)
Long Term
Drift:
< 5% signal loss / month at
ambient temperatures
Repeatability: ±10% of set point
Life Span:
4-5+ years in air
Typical
Refrigerant Gas
Sensors
Available:
R11, R12, R22, R123,
R134A, R404A, R407C,
R410A, R422A, R422D,
R438A, and R507
Analog transmitter
2
4-20 mA signal
1
All integral electrochemical gas sensors are packaged as “Smart” sensor modules.
2
Supports any 4-20 mA analog transmitter manufactured by Bacharach.
