Functional Specifications - Emerson Rosemount 1408A Reference Manual

Level and flow transmitter
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Reference Manual
00809-0200-4480
Related information
Product certifications
A.2

Functional specifications

A.2.1
General
Field of application
Continuous measurement of level and open channel flow.
Minimum dielectric constant
2
Measurement principle
Frequency Modulated Continuous Wave (FMCW)
Frequency range
77 to 81 GHz
Maximum output power
3 dBm (2 mW)
Internal power consumption
< 2 W (normal operation at 24 Vdc, no outputs)
< 3.6 W (normal operation at 24 Vdc, digital and analog outputs active)
Humidity
0 - 100% relative humidity, non-condensing
Turn-on time
< 15 s
A.2.2
Outputs
The transmitter provides two configurable outputs:
Output 1
Output 2
(3)
Time from when power is applied to the transmitter until performance is within specifications.
Reference Manual
(3)
Digital output / IO-Link mode
Digital output or active 4-20 mA analog output
Specifications and reference data
May 2021
67

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