The Edwards Active Inverted Magnetron Gauges (AIM) combine the gauge-head and controller in one compact Active AIM X unit. These gauges have proved to be rugged and reliable in a wide range of applications ranging from scientific instruments to industrial processes. \n \nThis Edwards AIM-X-DN40CF gauge has a low external magnetic field making it suitable for use with sensitive analytical instruments or maglev turbo pumps. In addition, this gauge features a linear output for easy integration with a computer or PLC. \n \nTechnology \n \nThe Edwards AIM-X-DN40CF Gauge is an inverted magnetron gauge head and gauge controller in a single compact unit. The gauge operates as a cold cathode ionisation gauge, in which pressure is measured indirectly as a function of the current that flows in a Townsend discharge maintained in the body tube. \n \nThe measurement range of the AIM-X-DN40CF Gauge is 1 x 10-9 to 1 x 10-2 mbar. \n \nThe Edwards AIM Gauge requires a 13.5 to 36 V d.c. power supply: it has a 2 to 10 V d.c. analogue output which is related to pressure. \n \nThe AIM-X-DN40CF Gauge is compatible with all of Edwards Active Gauge Controllers and with the appropriate versions of the Active Gauge Displays. Alternatively you can use an independent power supply for the AIM Gauge and you can read the AIM Gauge output signal with a voltmeter or an analogue-to-digital converter. \n \nApplications \n \nAll vacuum applications requiring rugged and reliable pressure indication in the range 1 x 10-2 to 1 x 10-9 mbar. Typical processes range from general vacuum through industrial coaters and furnaces to scientific instruments and semicon. \n 

Pressure Range
AIM-X and AIM-XL	10-2 to 10-9 mbar
Accuracy*	Typically ±30%
Maximum overpressure	10 bar absolute (145 psi)
Power supply	+13.5 to +36V d.c. (max 1 V ripple)
Power consumption	2 W Maximum
Output signal	2 to 10 V d.c.
Set point	Open collector transistor
Maximum voltage	40V d.c.
Current	100 mA max
Temperature range
Operating	+5 to +60°C
Storage	0 to +70°C
Baking (DN40CF version only)	300 o C with electronics removed DN40CF only
Materials exposed to vacuum
NW25 versions	Stainless steel 304 & 306 & 347, fluoroelastomer, glass
DN40CF	Stainless steel (AISI 304 and 306), copper, ceramic, very small amount of copper braze
Internal volume	26 cm3
Weight	0.81 kg
AIM-X NW25	810 g
AIM-XL NW25	860 g
AIM-X DN40CF	1090 g
AIM-XL DN40CF	1140 g
External interface connector	8-way FCC68/RJ45 socket
Vacuum fitting	NW25
Standards
Electromagnetic compatibility	EN 61326 (Class B Emissions)
Enclosure rating	IP40