Signet 2100 Turbine Sensor Operating Instructions
WARNING!
1. Do not remove from pressurized lines.
2. Never install sensor without O-rings.
3. Confirm chemical compatibility before use.
4. Do not exceed maximum temperature/pressure specifications.
5. Wear safety goggles and faceshield during installation/service.
6. Failure to follow safety instructions could result in severe personal injury.
Contents
1. Installation/Mounting
2. Sensor Wiring
3. Calibration
4. Specifications
5. Parts and Accessories
1. Install sensor with arrow pointing in the direction
of flow. All mounting angles acceptable.
2. Slide union nut onto pipe or flexible tubing.
3. Install end connectors.
4. Hand tighten union nut to secure.
• Suitable for clear or opaque fluids. Suspended solids may
cause mechanical failure.
• Upstream/downstream mounting requirements:
10x I.D.
5x I.D.
Inlet
Outlet
Flange
15x I.D.
5x I.D.
Reducer
40x I.D.
5x I.D.
2 x 90° Elbow
50x I.D.
Valve/Gate
5x I.D.
20x I.D.
5x I.D.
90° Elbow
25x I.D.
5x I.D.
2 x 90° Elbow
OK
OK
OK
Vertical flow is OK if the pipe
remains full at all times.
64 mm
(2.5 in.)
33.3 mm
(1.3 in.)
43.2 mm
(1.5 in.)
12.2 mm
(.48 in.)
Pipe
End Connector
Union Nut
Reversible
electronics
O-rings
(factory installed)
Press to release
Wiring Tips:
• Use 2-conductor twisted-pair shielded cable (Belden
#8451 or equivalent) for sensor cable splices up to 300 m
(1000 ft) max.
• Maintain cable shield through cable splice.
• Route sensor cable away from AC power lines.
Input
Gnd.
10 kΩ
+
5 to 24
VDC
-
Black
Shield
Red
Other
instrument
Black (5 to 24 VDC)
Red (Signal out)
Shield (DC return)
Blk
Power
Red
Freq. input
Shld
Gnd
Signet
2100 Turbine
Flow Sensor
Other
Instrument
Signet
Instrument
Input
Gnd.
10 kΩ
+
5 to 24
VDC
-
Black
Shield
Red
Other
instrument
Black (5 to 24 VDC)
Red (Signal out)
Shield (DC return)
Blk
Power
Red
Freq. input
Shld
Gnd
Signet
2100 Turbine
Flow Sensor
Other
Instrument
Signet
Instrument
*3-2100.090-1*
3-2100.090-1 Rev. H 01/15 English
Sensor Model
Connection Option
K-Factors: Pulses/U.S. Gallon
Pulses/Liter
High Flow Sensors 3-2100-1H, 2H
1/2" Pipe
1725
456
1/2" Hose
1700
449
Low Flow Sensors 3-2100-1L, 2L
1/2" Pipe
12250
3236
1/4" Hose
12800
3382
3/8" Hose
13000
3435
1/2" Hose
12500
3303
Installation/Mounting
Sensor Wiring
Calibration
