Crowcon Flamgard Plus Exd 96HD Flammable Gas Detector
$1,499.00
Condition: New – Open Box
1 in stock
Crowcon Flamgard Plus Exd Flammable Gas Detector 96HD
The Crowcon Flamgard Plus Exd Flammable Gas Detector 96HD is a heavy-duty, flameproof fixed gas detection instrument engineered to continuously monitor ambient air for explosive levels of hydrocarbons, hydrogen, and other combustible gases. Built to survive severe offshore, marine, and heavy industrial environments, it features a poison-resistant catalytic bead (pellistor) sensor within a flameproof housing. The integration of a local 3-digit LCD window allows for non-intrusive, single-operator calibration using an external magnetic wand—completely eliminating the need to obtain hot work permits or breach the explosion-proof integrity of the junction box during standard maintenance.
Model Details:
- Manufacturer: Crowcon Detection Instruments Ltd.
- Model: Flamgard Plus (Exd Configuration)
- Sensor Head Assembly Type: 96HD Sensor Housing
Technical Specifications: Crowcon Flamgard Plus Exd 96HD
| Parameter | Engineering Rating / Value |
|---|---|
| Operating Voltage Range | 10 Vdc to 30 Vdc (24 Vdc nominal loop supply) |
| Current Consumption | 160 mA maximum (Non-Relay Version) / 210 mA maximum (Relay Version) |
| Electrical Output Signaling | 3-Wire, linear 4-20 mA current loops (Configurable for Sink or Source) |
| Internal Relays (Optional) | 3x SPDT dry contacts (Alarm 1, Alarm 2, Fault) rated at 30 Vdc, 1A (Non-inductive) |
| Terminal Allocation Blocks | Screw-clamp terminal block accepting wire gauges up to 1.5mm² (16 AWG) |
| Sensor Element Principle | Catalytic Bead (Poison-resistant pellistor) |
| Measurement Range | 0 to 100% LEL (Lower Explosive Limit) |
| Gas Substrates Supported | Methane, Butane, Pentane, Propane, Hexane, Ethylene, Hydrogen, Jet Fuel Vapors |
| Response Curve (T90) | Less than 15 seconds to reach 90% of final scale reading (typical) |
| System Repeatability / Zero Drift | Repeatability: ±2% FSD; Zero Drift: ±2% FSD every 6 months |
| Physical Constraints | Dimensions: 200mm x 115mm x 115mm | Total Net Weight: 2.2 kg (4.9 lbs) |
| Housing Core Metallurgy | Junction Box: Marine-grade copper-free alloy; Sensor Head: 316 Stainless Steel |
| Ingress Shield Rating | IP65 as standard; IP66 when fitted with custom weatherproof cowl cap |
| Conduit Infrastructure Entries | 2 x M20 metric threads (Standard) or 2 x 1/2″ NPT conduit hubs |
| Climatic Boundaries | Operational limits: -10°C to +55°C (−14°F to 131°F) | Humidity: 0 to 99% RH non-condensing |
Features
- Non-Intrusive Calibration: Zero and span adjustments can be made externally via the window with the operation of the magnetic wand, eliminating the need to access the junction box and saving important time in classified zones.
- Flameproof (Ex d) Enclosure: Built with strong explosion-isolation pathways able to withstand internal combustion and prevent transfer of ignition to surrounding ambient air.
- Flexible 3-Wire Signal: Configurable field wiring provides 4-20mA current sink or current source outputs for maximum interoperability with modern or legacy control loop systems.
- Arduous-Duty Metallurgy Rugged 316 stainless steel sensor head enclosure and marine grade, low-copper alloy junction box.
Applications
- Marine and offshore: FPSOs, drilling rigs, tankers, offshore platforms and refinery pump rooms.
- Chemical Process factories Hydrocarbon storage tanks, chemical synthesis factories and distribution terminals
- Power Generation: Gas turbine enclosures, hydrogen storage batteries and fuel manifold bays.
- Wastewater Processing : Methane collection tunnels, digester headspaces, cogeneration facilities.
- Aviation & Automotive: Hangar fuel storage areas, paint booths, engine test cells and refueling stations.
Compatible Control Panels
- Crowcon Systems: Vortex, Gasmaster, Gasmonitor+, Gasward controllers.
- Third-Party Integrations: Fully interoperable with any standard PLC, SCADA network, or distributed control system (DCS) supporting isolated 3-wire 4-20mA current analog signals.
Marine Engineer Expert’s Guide & Pro Tips
Target Gas Density and Sensor Placement
As marine engineers, we often deal with multiple gas risks simultaneously. Remember that placement depends entirely on the vapor density of the target gas relative to air.
- For Methane (LNG) installations: Hydrogen and methane are lighter than air. Mount the Flamgard Plus at a high level and always use a Collector Cone (Part No. C01051) to direct escaping gases onto the sinter.
- For Propane, Butane, or Petrol Vapors (LPG): Heavy hydrocarbon gases accumulate in lower levels, bilges, and coffer dams. Mount the detector low down (approximately 20 cm above the deck plates), ensuring it is protected against washing down and mechanical impact.
14 DAYS RETURN POLICY
RETURNS ARE ACCEPTED IN 14 DAYS. BUYER PAYS THE SHIPPING CHARGES. RESTOCKING FEES 20%.
NOTE:
IF THE ITEM COMES UNDER CUSTOMS, THE BUYER WILL BE FULLY RESPONSIBLE FOR DUTIES AND OTHER CHARGES. WE, AS THE SELLER, DO NOT ACCEPT RETURNS OR REFUNDS IN THIS CASE. KINDLY CONNECT WITH US BEFORE PURCHASING AN ITEM OR IF YOU HAVE ANY OTHER QUERIES.
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