Wireless Gas Monitor & Controller

The RAE Systems MeshGuard wireless gas-monitoring network is quick and easy to deploy. The MeshGuard RDK includes a controller and your choice of a combination of toxic and combustibles gas monitors. This kit provides a complete self-forming, self-healing gas detection network system. Certified for Class I, Division 1 environments, the MeshGuard RDK comes in a ruggedized, water-tight case on wheels.

Single gas detector H2S / LEL / CO

• Self-forming wireless network; units come online automatically
• Compact and lightweight
• IP-65 rated weather resistant, and splash guard equipped for sensor protection
• Multiple controller optionsfor real-time wireless data collection and viewing
• Self-healing network automatically routes data back to controller through best wireless path available
• Battery powered operation for up to 6months
• SolarPak provides 24/7 uptime
• Intrinsically Safe
• Magnetic mounting option for quick and easy MeshGuard installation

Applications

• Oil and gas drilling operations
• Oil and gas production
• Plant maintenance turnarounds
• Industrialsafety
• Tankfarms
• Shipyards and maritime

MeshGuard RDK Specifications & Technical Information

Technical Specifications

 

Size	26.5 x 9.5 x 5.5 cm
Weight	0.6kg
Visual Alarm	2 super-bright red LEDs
Audible Alarm	90dB @ 30cm
Calibration	Two-point field calibration
Operating Range	300 metres (line of sight)
Keypad	Three operationand programming keys
Display	Customised LCD (72mm x 108mm) with backlight
Power Supply	Disposable Lithium Battery, +3.6V (optional rechargeable externl battery for extended run time)
Operating Time	Toxic Gas Sensors:
	Up to 6 months on internal battery (up to 1 year on external)
	LEL Gas Sensor:
	Up to 21 days on external PowerPak battery
	LEL IR Gas Sesor:
	UP to 2 months oninternal battery1 (up to 1 year on external)
Operating Temperature	-40ºc to +50ºc (LEL / LEL IR / CO and H2S sensors)
	Other sensors -20ºc to +50ºc
Humidity	%% to 95% relative humidity (non-condensing)
Dust & Water Resistance	IP65
Warranty	- Two years on non-consumable components and CO, H2S and O2 sensors
	- One year on all other sensors, battery and other consumable parts
Wireless Frequency	ISM license-gree bank, IEEE 802.15.4  2.4 GHz
Radio Module	Supports RM9000

1 MeshGuard LEL IR units operating in temperatures below -20ºc may require a PowerPak external battery for extended runtimes

SPECIFICATIONS ARE SUBJECT TO CHANGE

Sensor Specifications

 

Sensor	Range	Resolution	Response Time
Hydrogen Sulfide (H2S)	0 to 100 ppm	0.1 ppm	T90 < 30 sec T10 < 30 sec
LEL / LEL IR	0 to 100%	1%	T90 < 30 sec T10 < 30 sec
Carbon Monoxide (CO)	0 to 2,000 ppm	1 ppm	T90 < 30 sec T10 < 30 sec
Oxygen (O2)	0 to 25%	0.1%	T90 < 15 sec T10 < 15 sec
Ammonia (NH3)	0 to 100 ppm	0.1 ppm	T90 < 90 sec T10 < 200 sec
Chlorine (CI2)	0 t0 50 ppm	0.1ppm	T90 < 30 sec T10 < 30 sec
Sulfur Dioxide (S02)	0 to 20 ppm 0 to 100ppm	0.1 ppm 1 ppm	T90 < 60 sec T10 < 60 sec

 

Approvals & Safety Certifications

 

Safety Certifications	ATEX: CE Ex II 1G, Ex ia IIC Ga T4   / IECEx: Ex ia IIC Ga T4
EMC / RFI	EMC directive: 2004/108/EC
Wireless Approvals	FCC Part 15, CE R&TTE

MeshGuard - The Intelligent Connected System by Honeywell Safety