Meriam M2110F SMART FLOW GAUGE - Manual

9R142 Dated 2/1/11
1
Meriam’s M2110F Smart Flow Gauge is a
microprocessor-based pressure sensing
device with algorithms to calculate flow.
The gauge provides laminar flow element,
Accutube and Orifice Plate flow
measurements. Three configurations are
available: Battery, SetPoint, and Current
Loop models.
All models are programmable through the
front keypad. The user’s program
information is stored in non-volatile
memory, and is retained when the power
to the gauge is removed. SetPoint and
Current Loop models can also be
programmed through the RS-232 serial
communication connection.
The Battery model is powered by its internal lithium batteries. This model does not provide any
outputs or RS-232 communications.
SetPoint and Current Loop models have outputs that can be used for control or indicating
functions. Both models also have RS-232 communications capability. In addition to configuring
the gauge, the RS-232 port can be used to monitor and log the measured flow data and output
status. It can also be used as part of a control system with digital capabilities.
The SetPoint model provides two relay outputs. These relays can be connected in normally open
or normally closed configurations for fail-safe operation. SetPoint detection can be set from 0 to
+120% of the full scale flow range and is powered by 115VAC, 230 VAC, or 24VDC.
The Current Loop model provides a 4 to 20 mA output, and is intended to be used as a flow
transmitter on a three or four wire loop. Zero and span are set through user-programmable
registers, from 0 to +120% of the full scale flow range. The Current Loop model is powered by
24VDC only.
M2110F SMART FLOW GAUGE
OPERATING INSTRUCTIONS