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RKI Instruments AirLink 6940 Quad Transmitter for 2 sensors, explosion proof, battery powered, wireless 900 MHz radio, sensor assemblies selection needed - 74-429
Item #:
74-429
Brand:
RKI Instruments
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74-429 AirLink 6940 Quad Transmitter for 2 sensors, explosion proof, battery powered, wireless 900 MHz radio, sensor assemblies selection needed by RKI Instruments
The RKI AirLink 6940 series ambient air multi-gas detector is a versatile assembly that uses up to four electrochemical, PID or low-power infrared sensor elements to detect a variety of gases. Wireless, battery power (3.6 V/76 Ah) with 900 MHZ or 2.4 GHz radio options. Magnetic switches allow for non-intrusive calibration while in the field as well as full system settings and diagnostics. Mounting is made easy and mobile using the optional wheeled stand.
Features
- Electrochemical, PID, or low power IR sensors
- Wireless communication: 900 MHz radio and 52 networks; 2.4 GHz radio and 78 networks
- Battery powered: 3.6 V/76 Ah battery pack (non-rechargeable)
- Battery life: 6-months maximum; 2-weeks plus for PID
- Graphical LCD with LED backlight
- 3 Push-button interface (ADD, MENU, SUB) with 4 corresponding magnetic, non-intrusive switches
- Sensor warranty subject to factory verification
- 1-Year limited hardware warranty
Industry Applications
- Petrochemical plants, Refineries
- Water & wastewater treatment plants
- Pulp & paper mills
- Manufacturing facilities
- Chemical plants
*Please note we can only ship RKI products to customers within the United States
Sensor Type | Electrochemical, PID or low-power infrared sensor |
Power Type | Battery powered 3.6V (76 Ah) battery pack (non-rechargeable) |
Battery Life | 6 Months maximum battery life (2 weeks if PID is used) |
RF Connection | External N-female radio frequency (RF) connector |
Display Screen | 160x104 Resolution graphical LCD screen Transflective (sunlight readable) with LED backlight |
Interface | 4 Push-buttons (MENU, BACK, ADD and SUB) 4 Magnetic non-intrusive switches for calibration (MENU, BACK, ADD and SUB) |
Customizable Settings | Adjustable background gas setting settable per sensor element |
Temperature Range | -40°C to +60°C |
Wireless 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 (II 2.4 GHz radio) 255 addresses per network |
Product Dimensions | 7 in. D x 11 in. W x 24 in. H (Max. dimensions with attachments) |
Total Weight | 25 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. |
Hardware Warranty | Limited one year |
Sensor Element Warranty | Varies with sensor type and element and is subject to factory verification |
Part Number Formula | Compatible with AirLink 7010 and AirLink 7032 |
Battery Warranty | 90 days from ship date |
Optional Product Accessories | 2-Wheeled cart/stand |