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Digital Flow Meter DFM2 Series

This digital flow meter receives output pulse from digital flow switch or sensor and displays instantaneous flow rate of liquid.

  • Easy flow rate reading with 10 mm character height LED
  • Wide range from 0.2 to 120L/min applicable
  • Compact 72 x 72mm DIN size for front panel
  • Flow rate range setting by switch operation
ModelDFM2-1000
DisplayRed 7 segment LED 10 (height) x 5.5 (width) mm
Display Range0 to 99999 max. 5 digits displayed
Counting MethodPeriod measurement calculation method
Decimal Point0 to 4 digits after decimal point displayed, arbitrarily settable
Displayed Value Calibration MethodDisplayed Value Calibration Method
Display Flow Rate Range0.2 to 2,0.5 to 5,2.5 to 25,12 to 120(ℓ/min)
Auto Zero Time Setting1 to 9 seconds can be set by one second unit
Pulse Input
(INI)
Input resistance: 10kΩ (pulled up to DC 24V) negative logic operation
Input current: 2mA or less
Operation voltage: ON voltage = 2V or less / OFF voltage = 5V or more
Pulse width: 50μs or more for both of H and L
Setting Prohibition Input
(KPT)
Input resistance: 10kΩ (pulled up to DC 24V) negative logic operation
Input current: 2mA or less
Operation voltage: ON voltage = 2V or less (each setting value cannot be changed)
OFF voltage = 5V or more (each setting value can be changed)
Memory Setting Memory method: memorized by nonvolatile element (NV-RAM)
Memory time: approximately 10 years
AC Power Supply AC 100V / 200V,90 to 120% 50/60Hz
DC Power Supply DC 24V ± 10% 80mA
Power Consumption Approximately 8.5VA
Operating Temperature -10 to 50℃(however, no freezing)
Operating Humidity 35 to 85%RH(however, no dew condensation)
Storage Temperature -25 to 85℃(however, no freezing)
Weight 450g(accessory included)
Accessory Panel attachment bracket/screw
Adapted ModelAll digital flow switch models, digital flow sensor

*For setting change, refer to instruction manual included with product.

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