Combustible Gas Sensor FP-700

Manufacturer: Teledyne| Detcon
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Combustible Gas Sensor FP-700

Manufacturer: Teledyne| Detcon
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Model FP-700 is a non-intrusive “Smart” sensor designed to detect and monitor combustible gases in air over the range of 0-100% LEL using catalytic bead sensor technology. 

The plug-in, field replaceable detector is poison-resistant and features over-sized gold-plated connections that help prevent corrosion. 

The FP-700’s rugged framework includes an electro-polished 316 stainless steel housing with fully encapsulated electronics and dual layer surge protection. 

This innovative design virtually eliminates sensor failure due to water ingress, corrosion, vibration, and transient spikes. 

A primary feature of the Model FP-700 is embedded intuitive software that simplifies operator interface by guiding the user through routine calibration, configuration, and fault diagnostic functions using a built-in alpha/numeric display. 

The Model FP-700 is equipped with standard analog 4-20mA, and Modbus™ RS-485 outputs. Among its unique features is a wireless option that can be used with Detcon’s SmartWireless® product line. 

Additional integration options include a Remote Alarm Module (RAM), and HART. Detcon’s combustible gas sensor has an infinite shelf life and is supported by a 2-year warranty.
Features
  • LED Display (With Antiglare Cover) 
  • Full Text Display Method 
  • Non-intrusive Interface 
  • Auto Zero/Auto Span 
  • Pre-emptive Fault Diagnostics Environmentally Bulletproof 
  • Electropolished 316SS Construction 
  • 100% Epoxy Encapsulated Circuitry 
  • Bulletproof I/O Protection 
  • Water-Proof, Corrosion-Proof, Vibration-Proof Modular and Serviceable 
  • Modular Design 
  • Plug and Play Components 
  • Quick Thread Release (For Sensor Replacement) 
  • Integral Calibration Port

Specifications

Manufacturer

Sensor Type

  • Continuous diffusion/adsorption
  • Matched-pair catalytic bead detector
  • Plug-in field replaceable

Sensor Life

  • 3 to 5 years typical

Measurement Range

  • 0-100% LEL (lower explosive limit)

Accuracy/Repeatability

  • ±3% 0-50% LEL; ±5% 50-100% LEL

Response/Clearing Time

  • T50 <10 seconds; T90 <30 seconds

Zero Drift

  • <5% per year

Outputs

  • Linear 4-20 mA DC
  • RS-485 MODBUS-RTU

Electrical Classification

  • Explosion proof
  • cCSAus
  • Class I, Division 1, Groups B, C, D (Tamb = -40°C to +75°C)
  • Class I, Zone 1, Group IIB+H2
  • ATEX
  • II 2 G Ex d IIB + H2 T4 Gb (Tamb = -40°C to +70°C)

Ingress Protection

  • NEMA 4X, IP66

Safety Approvals

  • cCSus Performance to ANSI/ISA 60079-29-1
  • (12.13.01)-2013 and CSA 22.2 #152
  • ATEX
  • CE Marking
  • SIL2 Certified to IEC 61508

Warranty

  • Plug-in detector - 2 years
  • Transmitter - 2 Years

Operating Temperature Range

  • -40°F to +167°F; -40°C to +75°C

Storage Temperature Range

  • -40°F to +167°F; -40°C to +75°C

Operating Humidity Range

  • 0-99% RH non-condensing

Dimensions

  • 7”H x 2.2” Dia.; 178mmH x 65mm Dia. (sensor assembly only)
  • 11”H x 6.1”W x 3.75”D; 280mmH x 155mmW x 96mmD (with junction box)
  • Mounting holes (J-box) 5.5”; 140mm center to center

Weight

  • 2 lbs; 0.907kg (sensor only)
  • 6 lbs; 2.72kg (w/aluminum j-box)
  • 9 lbs; 4.08kg (w/stainless steel j-box)

Power Input

  • 11-30 VDC

Power Consumption

  • Normal operation = 68mA (<1.7 watt)
  • Maximum = 85mA (2 watts)

Inrush Current

  • 1.0A @ 24V

RFI/EMI Protection

  • Complies with EN50270

Analog Output

  • Linear 4-20mA DC (1,000 ohms max loop load @ 24VDC)
  • 0mA All Fault Diagnostics
  • 2mA In-Calibration
  • 4-20mA 0-100% full-scale
  • 22mA Over-range condition

Serial RS-485 Output

  • RS-485 Modbus™ RTU

Baud Rate

  • 9600 BPS (9600,N,8,1 Half Duplex)

Status Indicators

  • 4-digit LED display with gas concentration Full-script menu prompts for AutoSpan, Set-up Options, and Fault Reporting

Faults Monitored

  • Operating Temperature, Loop, Input Voltage, Bridge Voltage, Zero, Sensor, Processor, Memory, Calibration

Cable Requirements

  • Power/Analog 3-wire shielded cable Maximum distance is 13,300 feet with 14 AWG Serial Output 2-wire twisted-pair shielded cable specifically for use with RS-485 installations Maximum distance is 4,000 feet to last sensor

I/O Protection

  • Over-voltage, Miswiring, EMI/RFI Immunity

  • Oil and Gas Drilling Rigs 
  • Oil and Gas Production Sites 
  • Offshore Production Platforms 
  • FPSOs 
  • LNG/CNG Plants 
  • Refining and Petrochemical 
  • Pulp and Paper Mills 
  • Waste Water Treatment Plants

Documentation

Brochure

Manual

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