AirLink 6940 – XP Sensor Assembly

Wireless Battery Powered Explosion Proof Transmitter

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
Contact RKI Sales

Description

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.

The AirLink 6940 represents the latest leading edge wireless technology in fixed gas detection today.

Application

  • Petrochemical plants
  • Refineries
  • Water & wastewater treatment plants
  • Pulp & paper mills
  • Manufacturing facilities
  • Chemical plants

Sensor Options

Gas Type Range T90 Hazard Classification
AsH3 0 – 1 ppm < 30 sec. Class 1, Div 2
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-IR 0 – 1.5% Vol. < 30 sec. Class 1, Div 1
ETO 0 – 10 ppm < 80 sec. Class 1, Div 2
F2 0 – 1 ppm < 80 sec. Class 1, Div 2
H2 0 – 4% Vol. < 60 sec. Class 1, Div 1
H2S 0 – 100 ppm < 30 sec. Class 1, Div 2
H2S2K 0 – 2000 ppm < 25 sec. Class 1, Div 2
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 0 – 100% LEL (0 – 5% Vol.) < 30 sec. Class 1, Div 1
LEL HC-IR 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
NH3A 0 – 1000 ppm < 120 sec. Class 1, Div 2
NO 0 – 100 ppm < 40 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
O3 0 – 5 ppm < 60 sec. Class 1, Div 2
PH3 0 – 5 ppm < 30 sec. Class 1, Div 2
SO2 0 – 20 ppm < 35 sec. Class 1, Div 2
PID VOC 0 – 10.00 / 20.00 / 50.00 ppm < 3 sec. Class 1, Div 1
PID VOC 0 – 100.00 / 200.00 / 500.00 / 1000 / 2000 ppm < 3 sec. Class 1, Div 1
PID – VOC 10.0 eV 0 – 10.00 / 20.00 / 50.00 / 100 ppm < 3 sec. Class 1, Div 1
PID – VOC 11.7 eV 0 – 20.00 / 50.00 / 100 ppm < 3 sec. Class 1, Div 1

Specifications

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 160×104 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

Download

AirLink 6940 Literature

Product Datasheet Operating Manuals
Airlink 6940 Datasheet

AirLink 6940 Product Datasheet

 

AirLink 6900 Operator’s Manual coming soon

Distributor Resources

Protected Area

This content is password-protected. Please verify with a password to unlock the content.