3-2551.090-1 Rev. M 04/15
Signet 2551 Display Magmeter
English
The 2551 Magmeter measures the fl ow rate in a full pipe by monitoring the voltage
produced when the (conductive) fl uid moves through a magnetic fi eld. Output
options include a traditional frequency signal, a serial data (Digital (S
3
L)) output,
and a 4 to 20 mA output.
The 2551 Magmeter is available in three sizes that will accommodate pipes from
½ inch through 36 inch diameters.
Select from three different material combinations to match the Magmeter to the
application requirements.
Operating Instructions
Description
Table of Contents
Warranty Information .............................................................................. 2
Product Registration ............................................................................... 2
Safety Information .................................................................................. 2
Chemical Compatibility ........................................................................... 2
Dimensions ............................................................................................. 2
Specifi cations ......................................................................................... 3
Installation .............................................................................................. 4
Pipe Fittings ........................................................................................ 4
Selecting a Location............................................................................ 4
Overview Magmeter Display................................................................... 5
Wiring ..................................................................................................... 5
Mirror Relay 1 Output.......................................................................... 5
Frequency Output ............................................................................... 5
4 to 20 mA Output ............................................................................... 6
Wiring to other Manufacturer's Instruments ........................................ 6
Wiring to Signet Flow Instruments ...................................................... 6
Wiring Relays ...................................................................................... 7
Application Notes: Relay Wiring ...................................................... 7
Navigating the Menus ............................................................................. 8
Keypad Functions ............................................................................... 8
Security Code ..................................................................................... 8
View Menu .............................................................................................. 9
Resetting the Resettable Totalizer ...................................................... 9
Setup Menu .......................................................................................... 10
Averaging and Sensitivity ...................................................................11
Bi-Directional Flow ............................................................................ 12
Calibration Data: K-Factors.......................................................... 12-13
Calibration Menu ............................................................................... 14
Volume Method of Calibration ........................................................... 14
Rate Method of Calibration ............................................................... 14
Relay Menus......................................................................................... 15
Pulse Relay Mode ............................................................................. 15
Total Relay Mode .............................................................................. 15
High, Low, or Window Relay Modes ................................................. 16
Test Menu ............................................................................................. 17
Options Menu ....................................................................................... 17
Output Modes ................................................................................... 17
Grounding ............................................................................................. 18
Maintenance ......................................................................................... 18
Troubleshooting .................................................................................... 19
Ordering Information............................................................................. 20
*3-2551.090-1*
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