RKI AirLink T3A Wireless Monitor
Explosion Proof Transmitter
Features
- Electrochemical, Infrared, catalytic bead sensor element
- Wire powered (3-Wire), 12 to 35 VDC operating voltage
- Output options:
Wireless 900 MHz or 2.4 GHz
4-20mA (3-wire) analog
RS-485 modbus - Digital Modbus output
- Operating temperature range -40°C to +60°C
- Graphical LCD with LED backlight
- 3 Push-button interface (ADD, MENU, SUB) with 3 corresponding magnetic, non-intrusive switches
- 2 Individually configurable alarms
- 2 Front panel LED indicators (amber and red)
- 2 Optional fully programmable alarm relays (dry contacts)
Airlink T3A Product Datasheet [PDF]
Airlink T3A Operator’s Manual [PDF]
AirLink Brochure [PDF]
The AirLink T3A Series Gas Detector ambient air hazardous gas detector is a versatile assembly that uses an electrochemical, infrared, catalytic bead sensor element to detect a variety of gases. Wired power (12 to 35 VDC) with wireless communication controller. An RKI wireless T3A also has 4-20 mA analog and RS-485 Modbus outputs as standard. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics.
The Airlink T3A represents the latest leading edge technology in fixed gas detection today.
Related Services
- Design, Consultations, and Engineering
- Installation
- Start-up
- Training
- System Maintenance
Applications
- Petrochemical plants
- Refineries
- Water & wastewater treatment plants
- Pulp & paper mills
- Manufacturing facilities
- Chemical plants
Sensor Options
| Gas Type | Range | T90 | Hazard Classification |
| LEL Catalytic | 0 – 100% LEL | < 90 sec. | Class 1, Div 1 |
| CL2 | 0 – 10 ppm | < 60 sec. | Class 1, Div 2 |
| CLO2 | 0 – 1 ppm | < 120 sec. | Class 1, Div 2 |
| CO | 0 – 300 ppm | < 30 sec. | Class 1, Div 1 |
| CO2 | 0 – 5% vol. | < 30 sec. | Class 1, Div 1 |
| H2S | 0 – 100 ppm | < 30 sec. | Class 1, Div 1 |
| H2S 2K | 0 – 2000 ppm | < 25 sec. | Class 1, Div 1 |
| HCL | 0 – 30 ppm | < 300 sec. | Class 1, Div 2 |
| HCN | 0 – 30 ppm | < 70 sec. | Class 1, Div 2 |
| HF | 0 – 10 ppm | < 90 sec. | Class 1, Div 2 |
| LEL-IR-CH4 | 0 – 100% LEL (0-5% Vol.) CH4 | < 30 sec. | Class 1, Div 1 |
| LEL-IR-HC | 0 – 100 % LEL | < 30 sec. | Class 1, Div 1 |
| NH3 | 0 – 100 ppm | < 90 sec. | Class 1, Div 2 |
| NH3 300 | 0 – 300 ppm | < 120 sec. | Class 1, Div 2 |
| NH3 A | 0 – 1000 ppm | < 120 sec. | Class 1, Div 2 |
| NO2 | 0 – 20 ppm | < 25 sec. | Class 1, Div 2 |
| O2 | 0 – 25 Vol. | < 15 sec. | Class 1, Div 1 |
| PH3 | 0 – 5 ppm | < 30 sec. | Class 1, Div 2 |
| SO2 | 0 – 20 ppm | < 35 sec. | Class 1, Div 1 |
Specifications
| Sensor Type | Electrochemical, infrared, catalytic bead | |
| Operating Voltage | Wired power (3-Wire) 12 to 35 VDC | |
| Power Draw | 2 Watts maximum | |
| Protection | Power electromagnetic interference (EMI) filter
4-20 mA surge suppression RS-485 surge suppression |
|
| Display Screen | 102×64 Resolution graphical LCD screen transflective (sunlight readable) with white LED backlight | |
| Interface | 3 Push-buttons (MENU, ADD and SUB)
3 Magnetic non-intrusive switches for calibration |
|
| Customizable Settings | 2 Individual-configurable alarm LED/relay set-points | |
| Temperature Range | -40°C to +60°C (-40°F to +140°F) | |
| Wireless Output, Radio Options | 900 MHz (200 mW) radio (1-1.5 miles range) or 2.4 GHz (125 mW) radio (1-1.5 miles range) |
|
| Networks | 52 Networks (900 MHz radio) or 78 networks (2.4 GHz radio)
255 addresses per network |
|
| Output (digital) | RS-485 modbus | |
| Wired (Analog) Output | 4-20 mA (3-Wire)
Fault terminal Optional 2 dry-contact relays with replaceable 4 amp fuses |
|
| Remote Sensor Kit
(Optional Additional Feature) |
Remote sensor kit with enclosure (5 pin)
• Electrochemical sensor max. length: 250 feet • Infrared sensor max. length: 40 feet • Catalytic bead sensor max. length: 15 feet |
|
| Product Dimensions | 5.5 in, L x 6 in. D x 7 in. H (8 in. W x 17 in. H Max. dimensions with attachments) | |
| Total Weight | 6 lbs. | |
| Hazardous Location
Approvals |
Main Enclosure | Certified explosion / flame proof CQPSUS
Class I, Division 1 & 2, Groups B, C & D Nema 3, 4, 4X, 7 (B, C, D) 9 (E, F, G) Temp.= -20°C to +60°C |
| Sensor Housing | Certified explosion / flame proof CQPSUS
Class I, Division 1 & 2, Groups B, C & D Temp.= -40°C to +60°C Note: Certification only applies to some gases. Toxic gases not certified for Div. 1 locations are suitable for Div. 2 applications but have no third party approval. |
|
| Controllers, Wireless | Compatible with AirLink 7010 and AirLink 7032 | |
| Controllers, Analog | Compatible with all RKI Beacon controllers, as well as most DCS / PLC systems: Beacon 110, Beacon 200, Beacon 410A and Beacon 800, and MC-6400 | |
| Warranty | 1-Year warranty for electronics and sensor | |
