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FP-524D Combustible Gas Sensor
Brand: Detcon IncDetcon Model FP-524D is a “Smart” gas detection sensor designed to detect and monitor combustible gas in air over the range of 0 to 100% LEL (lower explosive limit) using matched-pair catalytic bead technology.
Model FP-524D features Detcon's MicroSafe intelligent electronics, non-intrusive operator interface and comprehensive fault diagnostics.
The sensor transmitter features an advanced universal design that fits all existing Detcon matched-pair catalytic bead sensors dating back more than 20 years.
The sensor assembly includes the detector in stainless steel housing, a base connector board, an explosion proof enclosure (available in aluminum or stainless steel), a plug-in control transmitter circuit, and a splashguard with integral cal port.
The packaging is Explosion Proof (Class I, Division 1 Groups B, C, D).
Model FP-524D is equipped with a standard Analog 4-20 mA current signal equivalent to the sensor range of detection, one-man remote calibration, self-adjusting zero and span, and LED indicators for fault and calibration status.
A HART communications option is also available.
1 - 4 of 4 Part Numbers
965-525420-100
- Communication - Without HART
- Junction Box - Aluminum
965-52542B-100
- Communication - Without HART
- Junction Box - 316 Stainless Steel
9H5-525420-100
- Communication - With HART
- Junction Box - Aluminum
9H5-52542B-100
- Communication - With HART
- Junction Box - 316 Stainless Steel
1 - 4 of 4 Part Numbers
Specifications
Brand
Accuracy
- ± 3 % - for 0 to 50 % LEL
- ± 5 % - for 50 to 100 % Lower Explosive Limit (LEL)
Approvals & Certifications
- CSA C22.2 #152-M1984, ISA 12.13.01-2003
- CSA Class I, Div. 1, Groups B, C, D (Tamb: -40° to 75° C), Class I, Zone 1, Group IIB + H₂
- NRTL Class I, Div. 1, Groups B, C, D (Tamb: -40° to 75° C), Class I, Zone 1, Group IIB + H₂
Cable Length
- Maximum
Circuit Protection
- EMI/RFI Immunity - I/O Protection
- Miswiring - I/O Protection
- Over-Voltage - I/O Protection
Communication
- HART
Consumption
- 68 mA (< 1.7 W) - for Normal Operation
- 87 mA (2 W) - Max.
Display
- 4-Digit LED Display
Electrical Connectors
- 14 AWG (2.5 mm²)
- 3-Wire Shielded Cable
- Junction Box
Enclosure, Body Material
- Stainless Steel
Environmental Protection
- Explosion-proof
- IP66
- NEMA 4X
Humidity
- 5 to 100 % Relative Humidity, Non-Condensing
Input Power
- 12-28 Vdc
Loop Resistance
- 1,000 ohms, Max.
Materials of Construction
- 316 Stainless Steel - Junction Box
- Aluminum - Junction Box
Measuring Range
- 0 to 100 % Lower Explosive Limit (LEL)
Mounting
- 5.5” (140 mm) Mounting Holes Center to Center
Operating Pressure
- Atmospheric ± 10 %
Operating Temperature
- -40° to 75° C (-40° to 167° F)
Output
- 0 mA - All Fault Diagnostics
- 2 mA - In-Calibration
- 22 mA - Over-Range Condition
- Linear 4-20 mA DC
Repeatability
- ± 3 % - for 0-50 % LEL
- ± 5 % - for 50-100 % LEL
Response Time
- T50 < 10 seconds
- T90 < 30 seconds
RFI/EMI Protection
- Complies with ISO 92.0.01
Sensor, Probe Type
- Matched-pair Catalytic Bead
Storage Temperature
- -40° to 75° C (-40° to 167° F)
Zero Offset
- < 5 % Per Year - Zero Drift
- FPSOs
- LNG/CNG Plants
- Offshore Production Platforms
- Oil & Gas Drilling Rigs
- Oil & Gas Production Sites
- Pulp & Paper Mills
- Refining & Petrochemical
- Wastewater Treatment Plants