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Technical Specifications
Fitting Type

NPT, BSPP, ANSI Flanged

  • 1/2” to 2”: NPT (Male), BSPP (Male) (ISO 228)
  • 3” and 4”: 150# ANSI Flanged - Polymer Flange

 
Recommeded Plastic Flange Bolt Torque

25 ft.-lbs. (33.9 N∙m)
Pipe Sizes

1/2”, 3/4”, 1”, 1-1/2”, 2”, 3”, 4”
Pressure Rating

150 psi @ 70o F (10.3 bar @ 21o C)
Velocity

0.25 to 15 fps (0.08 to 4.6 m/s)
Flow
  • 1/2” (05): 0.167 - 10 GPM (0.632 - 37.85 L/min)
  • 3/4” (07): 0.33 - 20 GPM (1.25 - 75.71 L/min)
  • 1” (10): 0.67 - 40 GPM (2.54 - 151.42 L/min)
  • 1-1/2” (15): 1.33 - 80 GPM (5.03 - 302.83 L/min)
  • 2” (20): 2.5 - 150 GPM (9.46 - 567.81 L/min)
  • 3” (30): 5 - 300 GPM (18.93 - 1135.62 L/min)
  • 4” (40): 10 - 600 GPM (37.85 - 2271.25 L/min)
Accuracy

±0.5% of Reading between 0.25 fps and 15 fps (0.08 m/s and 4.6 m/s)
(Reference Owner's Manual for complete accuracy and uncertainty specifications)
Operating Temperature Range

32o F to 180o F (0o C to 82o C)
Ambient Temperature Range

0o F to 140o F (-18o C to 60o C)
Typical K-Factor
  • 1/2” (05): 4347 PPG (1148.4 Pulses/L)
  • 3/4” (07): 1937 PPG (511.7 Pulses/L)
  • 1” (10): 1089 PPG (287.7 Pulses/L)
  • 1-1/2” (15): 484.1 PPG (127.9 Pulses/L)
  • 2” (20): 400 PPG (105.7 Pulses/L)
  • 3” (30): 121 PPG (32.0 Pulses/L)
  • 4” (40): 68.1 PPG (18.0 Pulses/L)
Power Supply
  • Externally Powered
  • Voltage Supply (Min): 12V (dc)
  • Voltage Supply (Max): 36V (dc)
Consumption
  • Max current consumption (QSE with QSB): 75mA
  • Max current consumption (QSE with QSI): 150mA
Wetted Materials
  • Body: NorylTM
  • Electrodes: 316L SS
  • Seals: EPDM O-Rings
Output Frequency Range

All Sizes: 10 Hz Minimum - 1,000 Hz Maximum
Calibration Report

N.I.S.T. Certification Available
Model/ Type
Product Identifier

QSE: QSE Electromagnetic Flowmeter
Body Size
  • 5: 1/2" 1572
  • 7: 3/4" 1572
  • 10: 1" 1572
  • 15: 1 1/2" 1572
  • 20: 2" 1572
  • 30: 3" (Flange Only) 2058
  • 40: 4" (Flange Only)
Fitting Type
  • NPT: NPT Male (1/2" thru 2" Only)
  • BSP: BSPP (ISO 228) Male (1/2" thru 2" Only)
  • FAP: ANSI Flange - Polymer (3" or 4" Only)
Electronic Choice
  • Q9: Q9 2-Button Computer with Scaled Pulse Output - Requires XX Communication Choice 
  • 42: Q9 2-Button Computer with 4-20mA and Scaled Pulse Out - Requires XX Comm. Choice
  • QB: Blind QSE, w/Pulse Out (Open Collector Square Wave) 
  • QD: Q9 Computer (Includes NIST Cert.) with Scaled Pulse Output - Requires XX Comm. Choice 
  • 4D: Q9 Computer (Includes NIST Cert.) with 4-20mA and Scaled Pulse Out - Requires XX Comm. Choice
Communication Choice

Requires QB Electronics choice (no display)

  • Q1: QSI Version 1: Bluetooth, Coil/Digital Pulse Input, Pulse Output (Flow or Energy & Scalable), RS485 (Modbus RDU or BACnet® MS/TP), Temperature Inputs, BTU Calculator. Note: Temperature Inputs Require Temperature Sensor Probes (Select Probes Below) No Local Display
  • Q2: QSI Version 2: Bluetooth, Coil/Digital Pulse Input, Pulse Output (Flow or Energy & Scalable), Temperature Inputs, BTU Calculator. Note: Temperature Inputs Require Temperature Sensor Probes (Select Probes Below) No Local Display
  • Q3: QSI Version 3: Bluetooth, Coil/Digital Pulse Input, Pulse Output (Flow Scalable), 4-20mA No Local Display 

Requires QB Electronics choice (no display)

  • XX: No Communications Module
Temperature Sensor Probes

Integrates with Q1 or Q2 Communication Choice for Energy Use Computation

  • 1: 2 Each, 1” Length Temperature Sensor Probes w/Cables (10 ft. [3m]) (Customer Installed) Used with 1/2” Thru 2” Meters
  • 2: 2 Each, 2” Length Temperature Sensor Probes w/Cables (10 ft. [3m]) (Customer Installed) Used with 3” And 4” Meters
  • X: No Temperature Probes
Packaging
  • A: 05 Thru 20 Meters with (Q9, QB or QD) Electronic
         05, 07, 10 Meters with (42 or 4D) Electronics 
  • B: 3" Meter 
  • C: 4" Meter
  • D: 15 & 20 Meters with (42 or 4D) Electronics
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