The Messenger is a rugged self contained unit which transmits remote site instrument data. An “off the shelf” product, this complete solution performs in harsh industrial conditions. The device enclosure is Nema 4X rated and the unit operates in temperatures from -40c to +70c.
The system’s built in antenna and user friendly programming features allow the system to be used in a large range of permanent applications. A large number of Messengers are deployed in oil and gas applications.
Input Channels:
Four discrete: event driven alarms (normally open or normally closed)
Four analog: 0-5 vdc, 1-5 vdc, 0-20mA, 4-20mA
Input Power:
115 AC: Messenger Model 900A
12 vdc: Messenger Model 900D
Current Draw:
240 mA at 12 vdc
Protections:
Digital channels: opto isolated
Analog channels: suppression diodes
Environmental:
Temperature rating: -45c to +85c
Physical:
Weight: 7lbs
Antenna:
Built in - 3dB
Approvals:
This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause interference.
This (Class A/Class B) digital apparatus complies with Canadian ICES-003.