Specifications

GDC-350 Operation Manual
5909-9000 Rev 3 5
2.2. Sensor Specifications
Categories/Subcategories Descriptions
On-Board
Sensors
Electrochemical
1
Response: <30 seconds to 90% of signal
response
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
, O
2
, SO
2
Temperature
Range: -20° to 40° C (-4° to 104° F)
Remote
Sensors
Catalytic
(Combustible Gas)
Response: <10 seconds to 90% of signal
response
Temp Range: -10° C to +50° C (operating)
Detection
Range: 0-50% LEL
Repeatability: ±0.5mV
Life Span: 5+ years in air (under normal
conditions)
Gases: Hydrogen (H
2
), Propane (C
3
H
8
),
Methane (CH
4
)
Solid State
Refrigerants
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 R507A
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.