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500TRM-002 

Page 18 of 22 

March 2007 

onnection instructions: 

1.  Strip connecting wire leaving approximately ¼” bare wire exposed. Stranded wire should be 

s clamped tightly.  

Wiring connections for Digital Display 

 

ection 10 

Cleaning and Maintenance 

C

 
 

tinned with solder. 
 

2.  Insert the wire into the screw-clamp terminal and tighten the wire until the wire i

Each terminal will accept up to two #14 AWG wires. 

 

  
 
 
 
 

 
S

 
Maintenance of the 500 Series Metering flow switch is normally limited to cleaning the chamber in which 

leaning the 500 Series flow sensor 

 

he frequency of cleaning will vary with the type and cleanliness of

ng run through the flow 

ols required: 

 

Wrenches to disconnect the flow meter fr

cts P/N EEPS5400 Medium 

tergent solution. 

the rotor spins and an annual recalibration.  
 

C

 
T

 the liquid bei

meter. In most cases, annual cleaning immediately prior to recalibration is sufficient. 
  

To

 
  
 

Adjustable face spanner wrench similar to Eugene Ernst Produ

 Soft 

cleaning 

cloth 

om your flow circuit.  

 

Alcohol, water or a dilute de

 

+24VDC

24 V-DC Power 

Refer to Section 12 for replacement parts that may be required during maintenance.

Supply 

Ground  or  

-ve 

Summary of Contents for 0504SA2

Page 1: ...s Inc 500 SERIES METERING FLOW SWITCHES TECHNICAL REFERENCE MANUAL Proteus 5 Year Warranty A full statement of our warranty is available on our website at www proteusind com warranty 500TRM 002 Page 1...

Page 2: ...and functions 3 3 How the flow sensor works 6 4 Specifications and performance 7 5 Product certifications 8 6 Installation 8 7 Selecting Trip Points 12 8 Measuring Flow Rate 16 9 Digital Displays 17 1...

Page 3: ...wo flow ranges are provided in the 500 Series Refer to Specifications on page 7 Proteus 800 Series Metering Flow Switches formed in brass polypropylene or stainless steel provide similar measurement a...

Page 4: ...nstrumentation Tri color LED See Section 7 for instructions on selecting trip points Optional potentiometer provides fine tuning capability If your trip point must be set with finer control than is pr...

Page 5: ...ed Open Amber Between 1x and 1 15 x flow rate at selected trip point 1 0 Actual Flow 1 15 GPM Closed Open Red Less than flow rate at selected trip point Actual Flow 1 0 GPM Open Closed Multiple output...

Page 6: ...meter Switching The measured output voltage is continuously compared to a user selected trip point voltage When the measured voltage is above the trip point the built in relay remains in its active s...

Page 7: ...ge Output 0 5 VDC for the 2 0 GPM or 4 5 GPM Accuracy 2 of range Improved accuracy and linearity performance over smaller flow ranges can be achieved by specialized NIST traceable calibration procedur...

Page 8: ...topmost connection could enter the unit and cause permanent damage to the electronics Pipe or tubing mounting If rigid piping or tubing is used the 500 Series metering flow switch may be supported by...

Page 9: ...ose shown in Table 2 Contact Proteus for assistance Flow Range Orifice ID Model GPM LPM inches mm 0504SA2 0 1 2 0 0 6 7 5 0 187 4 76 0504SN2 0 1 2 0 0 6 7 5 0 187 4 76 0504SA4 0 3 4 5 1 2 17 0 0 270 6...

Page 10: ...nction and a leak tight connection at both input and output connections Real Tuff and Hercules are two of many suitable brands of PTFE based sealants Do not over tighten the connection Refer to instru...

Page 11: ...ion of the flow sensor it is good practice to filter your fluid A 100 micron filter is often used to remove rust and other particles from the fluid This can increase the lifetime of pumps and other fl...

Page 12: ...ough the cover of the electronics Tool Required A fine flat screwdriver 1 Identify the Part Number of the 500 Series metering flow switch being adjusted This is noted on the product label 2 Select the...

Page 13: ...the 16 step switch so that its indicating arrow points towards the selected position switch position Turning the switch CLOCKWISE selects a HIGHER trip point Turning the switch ANTI CLOCKWISE selects...

Page 14: ...94 1 76 4 01 4 05 4 10 4 16 1 88 F 1 85 1 85 1 85 1 86 1 87 1 88 1 90 1 92 1 94 1 96 2 00 Part Numbers 0504SN4 0504SA4 Position of Fine Adjustment Potentiometer 7 00 8 00 9 00 10 00 11 00 12 00 1 00...

Page 15: ...6 6 F 6 5 6 5 6 5 6 5 6 6 6 6 6 7 6 8 7 0 6 9 7 1 Part Numbers 0504SN4 0504SA4 Position of Fine Adjustment Potentiometer 7 00 8 00 9 00 10 00 11 00 12 00 1 00 2 00 3 00 4 00 5 00 Setting of 16 Positi...

Page 16: ...or 0504SN4 0504SA4 0 00 0 50 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 Flow Rate GPM Output VDC Flow in GPM Voltage 0 13 1 14 Flow in LPM Voltage 0 13 x 3 32...

Page 17: ...5 0G504D 1 2 17 0 0L504D Table 5 Part Numbers and flow ranges for Digital Displays for 500 Series Note Switches and potentiometers have been set to fit the range of your devices Changing these settin...

Page 18: ...ited to cleaning the chamber in which leaning the 500 Series flow sensor he frequency of cleaning will vary with the type and cleanliness of ng run through the flow ols required Wrenches to disconnect...

Page 19: ...l shaft from the flow cavity Remove the O ring from the faceplate 5 Using a soft cloth dampened with water alcohol or a light detergent solution clean debris and dirt from the rotor the stainless stee...

Page 20: ...e faceplate into position Note A small amount of high pressure lubricant applied to the threads may simplify assembly Caution It should not be necessary to use high force to secure the faceplate If yo...

Page 21: ...alibration of the 500 metering flow switch should be checked at 12 month intervals and recalibrated as required Re calibration may be accomplished in either of two ways Calibration by Proteus To obtai...

Page 22: ...ffect sensor calibrated for use with 0504SN2 and 0504SA2 530228 Stainless Steel faceplate for 500 Series 610073R Back cover for 500 Series Nylon Real Tuff and Hercules are trademarks of their respecti...

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