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Product Groups
Rate and Total Flow Meter Indicator
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
  • Simple Setup
  • DC Powered (DPF143), Loop Powered (DPF144)
  • Remote or Flow Sensor Mounted (with Adaptor)
  • Rugged NEMA 4X (IP67) Plastic Housing
  • Non-Volatile Memory
 Manuals (contact with email : [email protected])


The DPF140 Series of flowmeters are micro controller basedindicators with transmission andpulse outputs. These units aredesigned to compute and displayflow rate and total. The DPF143has one scaled pulse output andthe DPF144 has two. In additionto the scaled pulse output, bothmodels provide an alternativepulse pass-through output withgalvanic isolation. The DPF143 ispowered by an external DC powersource. The DPF144 is a “twowire”or “loop powered” device,meaning that it is powered by the4 to 20 mA loop circuit itself.

Pulse and 4 to 20 mA analogoutputs can be used to signalexternal devices, e.g. certainmetering pumps and watertreatment controls. Alternatively,one or more pulse outputs canbe configured as alarm outputs.These flow meters can bepassword protected to preventresetting the total or changingconfiguration settings.

The DPF140 Series meters areavailable in wall or panel mountconfigurations. Wall mountedversions can be converted fromwall to meter mount with anadaptor plate. Check with trodeksfor compatible meters. Orderthe DPF144 only if a 4 to 20 mAoutput signal is a requirement,otherwise the DPF143 offers themost flexibility.

Display: Rate 5-digit auto-ranging,total 8-digit
    Rate Units: Gallons/second/minute/hour/day, liter/second/minute/hour/day, cubic feet/second/minute/hour/day, cubic meters/second/minute/hour/day,miner’s inch, mega liters/day,million gallons/day, fluid oz/second/minute/hour/day,barrels (42 gallon)/second/minute/hour/day
    Total Units: Gallon, gallon x 1000,liters, mega liter, cubic meter, acrefeet, cubic feet, cubic feet x 1000,million gallon, miner’s inch day, acreinch, fluid ounce, barrels (42 gallon)
Pulse Output 1 (All Models): Scaledpulse output, high alarm output or lowalarm output (opto-isolated)
    Type: Current sinking
    Maximum Voltage: 45 Vdc(100 mA)
    Maximum Frequency: 6.5 Hz
    Pulse Width: 100 ms
    Isolation: 300V
Pulse Output 2:

    Type: Current sinking
    Maximum Voltage: 45 Vdc(100 mA)
    Maximum Frequency: 2000 Hzpulse width same as sensor input
    Isolation: 300V
    Configurable as Alarm: No
    Type: Current sinking
    Maximum Voltage: 45 Vdc (10 mA)
    Maximum Frequency: 6.5 Hz
    Pulse Width: 100 ms
    Isolation: 300V
    Configurable as Alarm: Yes(high or low)
    Loop Power Output: DPF144 only
Set P Range: 0.1 to 99999.9units/pulse
Input: 5V pulse or contact closure
Input Range: 0.752 to 2000 Hz
K-Factor Range: 0.001 to 999999.999
Flow Alarm Output Range:0.1 to 99999.9
Operating Temperature: 0 to 55°C(-32 to 131°F)
Non-Operating Temperature:-40 to 75°C (-40 to 158°F)
Environmental: NEMA 4X (IP67)
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