FlowStat, Paddle Wheel Flow Meters, Turbine Flow Sensors, Lake Monitors

Perfect monitoring solution for chillers/cooling circuits, HVAC, medical equipment, batching and industrial process control applications.

  • CHOICE OF THREE PORT SIZES
    FlowStat, Paddle Wheel Flow Meters, Turbine Flow Sensors, Lake MonitorsSelect from 1/2" , 3/4" or 1" NPTF porting to meet system requirements.

  • EASY MAINTENANCE AND CLEANING ce
    Has only one moving component, the impeller. Cleaning and maintenance may be performed without removing the sensor from the piping.

  • HERMETICALLY ENCAPSULATED CIRCUITRY
    Withstands the harshest environments.

  • SEVERAL OUTPUTS AVAILABLE
    The standard interface is a 2-wire, 4-20mA current loop. Sensor signal may be transmitted on a low cost wire without degradation. Pulse and 0-5 VDC are also available.

  • CONNECTS DIRECTLY TO YOUR FLOW MONITORING INSTRUMENTS
    Can be connected directly to analog acquisition cards, chart recorders or other monitoring instruments, without external signal conditioning.

  • SIMPLY PLUMB AND APPLY POWER
    FlowStat, Paddle Wheel Flow Meters, Turbine Flow Sensors, Lake MonitorsComes factory calibrated to your flow range specifications.

  • VALUE PRICING
    Combined with low cost operation and maintenance, equals better bottom line savings for your operation.


Engineering Specification

THE FLOWSTAT SENSOR SHALL:

  • Have only one moving component.

  • Be calibrated to user specified flow range.

  • Have a measuring accuracy of ±2% of full scale.

  • Have hermetically encapsulated circuitry.

  • Be Lake Number C_ _ - _ _ - _ _ for the Current output, Number P_ _ - _ _ - _ _ for the pulse Output version, and Number V_ _ - _ _ - _ _ for the 0-5 VDC option.

Materials of Construction

WETTED COMPONENTS:

Casing:

Stainless Steel #316

Cover:

Stainless Steel #316 (optional clear polycarbonate)

Seal:

Buna-N (other options available)

Turbine:

Acetal copolymer

Bearing:

PEEK (Polyetheretherketone)

Shaft:

Stainless steel

NON-WETTED COMPONENTS:

Encapsulant:

Epoxy

Strain relief:

Nylon

Lock Ring:

Stainless Steel

Wire insulation:

High temperature PVC


Performance

Measuring accuracy:

±2% of full-scale

Repeatability:

±0.5% of full-scale

Flow Measuring Range:

1/2" porting: 0.5 minimum - 15 maximum GPM (2-60 LPM)
3/4"- 1" porting: 1.5 minimum - 50 maximum GPM (60-200 LPM)

Pressure differential:

For specific differential information, see graphs below.

Turndown Ratio:

10:1

Temperature Range:

20-225°F (-7 to 107°C)

Pressure Range:

to 500 PSIG (34 bar)

W/optional clear cover

to 200 PSIG (14 bar)

Filtration requirements:

150 micron filter recommended


Typical Pressure Differentials

pressure differentials

 

Electronic Specifications

4-20 mA VERSION:

Power Requirements: 12-35 VDC, loop-powered

Load driving capacity: 1150 Ohms max.

Maximum transmitting distance: Limited only by wire resistance & supply voltage

Response time: 2 seconds to 90% (step change)

Resolution: Infinite

Over-current limit: Self limiting at 35mA

Other protection: Reverse polarity

Standard Interface: 10' pigtail, 22 AWG multi-conductor cable (electrical connector optional)

0-5 VDC VERSION:

Power Requirements: 12-35 VDC

Maximum Current: 25 mA DC

Minimum Load Resistance: 1000 Ohms

Maximum transmission distance: 200 ft. recommended

Resolution: Infinite

Response time: < 5 seconds to 90% (step change)

Standard Interface: 10' pigtail, 22 AWG multi-conductor cable (electrical connector optional)

PULSE OUTPUT VERSION:

Power Requirements: 5-24 VDC

Response Time: < 100 mS

Maximum current: 25 mA DC

Maximum transmission distance: 200 feet recommended

Minimum load resistance: 1000 Ohms

Protection: Short circuit & reverse polarity

Standard Interface: 10' pigtail, 22 AWG multi-conductor cable (electrical connector optional)

RELAY OUTPUT:

Power Requirements: 12-35 VDC

Maximum transmission distance: 200 feet recommended

Switch Contact: Form C, 5A max @120 or 240 VAC

Hysteresis: 5% of set point maximum

Set point repeatability: 1% of full scale

Standard Interface: 10' pigtail, 22 AWG multi-conductor cable (electrical connector optional)


Mechanical
FlowStat CAD

DIM

1/2" NPTF

3/4" NPTF - 1" NPTF

A

1.94" (49mm)

3.06" (78mm)

B

1.13" (29mm)

1.33" (34mm)

C

2.00" (51mm)

2.46" (62mm)

D

2.45" (62mm)

2.78" (71mm)

D*

2.45" (62mm)

2.88" (73mm)

E

3.70" (94mm)

5.25" (133mm)

F

2.63" (67mm)

3.80" (97mm)

* Dimensions with optional clear polycarbonate cover installed


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