Seametrics WT Operating Manual
WT-Series
INLINE TURBINE METER
INSTRUCTIONS
WTP
PVC Body
WT-SERIES INLINE TURBINE METER INSTRUCTIONS
WTC
Carbon Steel
ISO
WTS
Stainless Steel
9001:2008
CERTIFIED COMPANY
GENERAL INFORMATION and SPECIFICATIONS
GENERAL INFORMATION
This unique system of 2" to 8" turbine meters uses just
one moving part, a precision helical rotor. Rotation of
the rotor is electronically detected and processed. The
high-quality jewel bearings and shafts minimize friction
while providing long wear life in non-lubricating fluids.
The entire rotor assembly can be easily removed for
field service without removing the meter from the pipe.
WTP bodies are fabricated from Schedule 80 PVC ttings,
WTC bodies from carbon steel tubing, and WTS bodies from
stainless steel tubing. The turbine insert on WTC and WTS
meters is machined from a stainless steel casting. The WTP
turbine insert is machined from a solid piece of PVC. Turbine
rotors on all models are Kynar (PVDF).
WT meters can be ordered with various output options.
The basic model (100) comes with pulse output only. An
electronic display (Seametrics FT420) is mounted on the
101 model to display flow rate and total (resettable or
non-resettable), and provide a programmable pulse or
4-20 mA output. Other electronics options include a blind
4-20 mA transmitter (AO55) on the 102 model and a
battery-powered (FT415) rate/totalizer plus pulse output
for applications that lack power (104 model). All of these
controls/displays can be mounted on the meter or remotely
mounted on a wall or panel up to 2,000 feet away. WTSeries meters are compatible for use with most other
remote-mount Seametrics displays and controls as well.
SPECIFICATIONS*
Pipe Sizes
Materials Meter Body
Turbine Insert
Rotor
Shaft
Shaft
Bearings
Cable
Flanges
Maximum Pressure
Maximum Temperature
Accuracy 3”-8”
2”
Flow Range (GPM)
Minimum
Maximum
Electronic Options Specications*
WTP WTC WTS
2”, 3”, 4”, 6”
PVC Schedule 80 ttings
PVC
Kynar (PVDF)
Zirconia ceramic 3”-6”
Tungsten Carbide 2”
Sapphire journal, ruby endstone
#22 AWG, 2000’ max
Optional (See Dimensions)
150 psi @ 75˚ F
(10 bar @ 24˚ C) (see chart)
120˚ F (50˚ C) (see chart)
+/- 1% of full scale
+/- 2.5% of full scale
2” 3” 4” 6”
2 3 6 12
150 400 600 1200
2”, 3”, 4”, 6”, 8”
Painted carbon steel
CF8M cast stainless
Kynar (PVDF)
Zirconia ceramic 3”-8”
Tungsten Carbide 2”
Sapphire journal, ruby endstone
#22 AWG, 2000’ max
150 lb. drilling (3-8” only)
200 psi (14 bar)
200˚ F (93˚ C)
+/- 1% of full scale
+/- 2.5% of full scale
2” 3” 4” 6” 8”
2 3 6 12 30
150 400 600 1200 3000
2”, 3”, 4”, 6”, 8”
304 Stainless steel (316 SS optional)
CF8M cast stainless
Kynar (PVDF)
Zirconia ceramic 3”-8”
Tungsten Carbide 2”
Sapphire journal, ruby endstone
#22 AWG, 2000’ max
150 lb. drilling (3-8” only)
200 psi (14 bar)
200˚ F (93˚ C)
+/- 1% of full scale
+/- 2.5% of full scale
2” 3” 4” 6” 8”
2 3 6 12 30
150 400 600 1200 3000
WT100 (Pulse Output Only)
Power 6-24 Vdc
Pulse Output 0-160 pulse/second current sinking
Regulatory
Mark
WT101 (Powered Rate/Totalizer) (e.g. FT420)
Power 12-32 Vdc (for 4 mA DC min);
24-32 Vdc (for accuracy of 4-20 mA loop)
Rate 6-digit autorange
Total 8-digit
Memory Non-volatile (no battery needed)
Pulse Output 0.1 second open collector (scaled);
0-75 pulse/second passthrough
(unscaled); High alarm or low alarm
Analog Output 4-20 mA loop (24-32 Vdc required)
Regulatory
*Specications subject to change • Please consult our website for current data (www.seametrics.com).
Mark
WT102 (Blind 4-20 Transmitter) (e.g. AO55)
Power 24 - 36 Vdc (isolated)
Analog Output 4-20 mA loop
Response Time 2-60 seconds, 90% of full scale
(depends on input averaging)
WT104 (Battery-powered Rate/Totalizer) (e.g. FT415)
Power 3.6 Vdc Lithium battery
replaceable, 3-5 year life
Rate 6-digit auto range
Total 8-digit
Pulse Output 0.1 second open collector (scaled);
0-75 pulse/second passthrough
(unscaled); High alarm or low alarm
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