Electronic - Pulsed Output/Setpoint Switching

Model      Body Material
  123BR   Brass

  123PP   Polypropylene
  123SS   Stainless Steel


Add Suffix to Model number if RFO or RFS is required.
Example: 123BR-RFO

RFI Rotor: Orange
RFO Rotor: Black
RFS Rotor: Black
RFO – Pulsed DC Voltage Output RFS – Flow Setpoint Switching
Input Power: 4.5VDC to 24VDC
Output Signal: 4.5VDC to 24VDC Pulse
Accuracy: 7% or 15% (depend. on size)
Input Power: 12VDC, 24VDC, 110VDC
Set Point Accuracy: 5%
LED signals when setpoint is reached

Model NPT Flow Range GPM A C "D" Depth in Inches
Low* Standard RFI RFO RFS(AC) RFS(DC)
123PP 1/4 0.1-1.0 0.5-5.0 3.06 2.37 1.37 2.38 4.50 2.38
1/2 1.5-12.0 4.0-20.0
123BR 1/4 0.1-1.0 0.5-5.0 3.01 2.37 1.37 2.32 4.50 2.32
1/2 1.5-12.0 4.0-20.0
3/4 - 6.0-30.0 2.75 1.50 2.50 4.65 2.51
123SS 9/16-18 0.1-1.0 0.5-5.0 3.01 2.37 1.37 2.32 4.50 2.32
1/2 1.5-12.0 4.0-20.0


Features
• Sizes 1/4" to 3/4" NPT
• RFI - Visual Only

• RFO - Pulsed DC Voltage    Output/Flow Rate

• RFS - Flow Setpoint     Switching AC or DC

Ratings
• Pressure
    Brass/SS: 200 psi @ 70F
    Polypro: 100 psi @ 70F
• Temperature
    Brass: 180F
    Stainless: 212F
    Polypro: 180F
    Electronics: 150F

 Materials (Wetted)
• 
Rotor Pin: Ceramic
• 
Rotor: Nylon or PPS
• 
Lens: Polysulfone
• 
O-Ring: Viton
®* in Brass/SS
                  Buna-N in Polypro

Dome Type - Agitating Balls - Threaded

Model   Body Material
  145    Brass

  Can be panel mounted. 

 

Unit Size GPM Wt lbs.
1/4 .3 – 4 1
3/8 1 – 5 1
1/2 2 – 10 1
3/4 3 – 20 1.25
1 4 – 30 1.50

Features
• Sizes 1/4" to 1" NPT
• Agitating Balls
• Dome Style Lens
• For Clear Liquids

Ratings
• 
150 psi @ 150F

 Materials (Wetted)
• Lens: Polycarbonate
• Seal: Buna-N
• Balls: Green & White
   Acrylic Plastic

  *Viton® is a registered trademark of DuPont Dow Elastomers
 
Catalog  Page 10

 

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John C. Ernst Co., Inc.
Sparta, NJTel: 973-940-1600Fax: 973-940-1620
Toll Free: 1-888-463-7678

Email: info@johnernst.com

Mailing Address
21 Gail Court
Sparta, NJ 07871
Physical Address
21 Gail Court
Sparta, NJ 07871