The Teledyne IR-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 oversized gold-plated connections that help prevent corrosion. The IR-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 IR-700 is embedded intuitive software that simplifies the operator interface by guiding the user through routine calibration, configuration, and fault diagnostic functions using a built-in alpha/numeric display. The Model IR-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
Failsafe User-Friendly Interface
Environmentally Bulletproof
Modular and Serviceable
| Heading | Detail |
|---|---|
| System Specifications | Continuous diffusion/adsorption, Non-dispersive Infrared Optical (NDIR) - Combustible Gas, Sub-miniature plug-in field replaceable |
| Sensor Life | 5 years typical |
| Measurement Range | 0-100% LEL (lower explosive limit), 0-100% by volume |
| Accuracy | ±2% F.S. (0-50% LEL) |
| Repeatability | ±2% F.S. |
| Response Time | T50 < 6 seconds, T90 < 10 seconds |
| Zero Drift (typical) | ≤2% per 2 years |
| Outputs | Linear 4-20 mA DC, RS-485 MODBUS-RTU |
| Electrical Classification | Explosion proof, CSA and US (NRTL), 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 | cCSAUS Performance to ISA 12.13.01-2000 and CSA 22.2 #152, ATEX, CE Marking, SIL2 Certified to IEC 61508 (ATEX version only) |
| Warranty | Plug-in detector - 5 years, Transmitter - 2 Years |
| Environmental Specifications | 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: 0-100% RH non-condensing |
| Mechanical Specifications | 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) |
| Electrical Specifications | Power Input: 11-30 VDC, Power Consumption: Normal operation = 68mA (<1.7 watt), Maximum = 85mA (2 watts), Inrush Current: 0.67A @ 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: Loop, Input 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 |
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