DatasheetIR Plus is an infrared (IR) hydrocarbon detector that uses dual IR waveband technology. Designed to ensure safety in the heavy industrial sector, IR Plus provides real-time, fail-safe detection of methane, propane, and more. With over 50 years of expertise, Crowcon has engineered IR Plus to deliver unmatched stability, durability, and speed, even in the harshest environments. Its intelligent heater optics and STAY-CLIR hydrophobic reflectors resist dust, moisture, and corrosive chemicals, eliminating false alarms and downtime.
The IR Plus responds in just 4 seconds, giving you critical safety information fast, and its tested resilience ensures reliability under extreme conditions, including high temperatures and 100 %RH condensing environments. Offering a leading 5-year warranty for reduced maintenance costs, the IR Plus also supports flexible, non-intrusive testing with multiple display options and standard output choices like 4-20 mA analogue, RS-485 (Modbus), Local-HART, and HART over 4-20 mA, making it adaptable for various monitoring systems.
Unmatched reliability
- Only IR detector of its kind to maintain stability in harsh conditions – no false alarms, reducing down-time Accurate detection of target gases
- Remote, non-intrusive installation and testing, as well as serviceable optics
- Monitor hard-to-reach areas
- Integration with existing safety systems
Fast Response Times
- IR Plus boasts the quickest response time when detecting minimal gas levels(1.0 l/m), IR Plus gives you the information you need fast.
- From its standard 4-second reaction to its unrivalled speed with the slightest gas exposure, it leads the market in rapid detection.
Customisable
- Range of mounting options including wall, pipe, duct and junction box.
- From no display to fixed display or IS Barrier with remote display, IR Plus has a variety of display options to suit your needs.
- Standard 4-20 mA analogue and RS-485 (Modbus) outputs, plus Local-HART & HART over 4-20 mA options.
Specifications
| GASES | Methane, Propane
Contact Crowcon for more target gases |
| SIZE | 194mm x 119mm x 94.2mm (7.6 x 4.7 x 3.7 ins) |
| WEIGHT | 4.1kg (9.0lbs) IR Plus
4.5kg (9.92lbs) IR Plus with Fixed IR Display 4.9kg (10.8 lbs) IR Plus with IS Barrier Module 0.2kg (0.4 lbs) IR Plus Remote Display |
| ENCLOSURE MATERIAL | 316L Stainless Steel |
| RESPONSE TIME (T90) | 4 seconds |
| PERFORMANCE | Zero Drift: ±2% FSD per year
Repeatability: ±2% FSD Linearity: ±2% FSD |
| IR SOURCE | Intelligent heated optics with Stay-clIR hydrophobic mirror |
| OPERATING VOLTAGE | 12v DC to 30v DC |
| POWER | < 5.5 W |
| OUTPUT | 3-wire 4-20 mA (Sink or Source)
2mA dirty optics warning (at 75% obscuration, configurable) 0mA detector fault signal (at 90% obscuration, configurable) RS-485 Modbus HART 7 (optional) |
| FAULT SIGNAL | <3.6 mA and/or >21mA |
| CONNECTION/PORT ENTRIES | 2 x M20 or 2 x ¾”NPT cable gland entry |
| OPERATING TEMPERATURE | -40°C to +70°C (-40°F to 158°F) |
| OPERATING HUMIDITY | 0 to 100% RH condensing |
| DEGREE OF PROTECTION | IP66 (EN60529)
IP ratings do not imply that the equipment will detect gas during and after exposure to those conditions |
| FUNCTIONAL SAFETY | IEC 61508, EN 50402, SIL2 |
| PERFORMANCE STANDARDS | IEC EN 60079-29-1* |
| HAZLOC STANDARDS | EN IEC 60079-0, IEC 60079-1, IEC 60079-11, IEC 60079-31
EN IEC 60079-0, EN 60079-1, EN 60079-11, EN 60079-31 |
| APPROVALS | ATEX, IECEx, INMETRO, CNEx, PESO, ECAS*, FM* |
| EMC COMPLIANCE | EN50270, FCC CFR47 Part 15B, ICES-003 |
| WARRANTY | 5 years |