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FM-254-8-P | Integrated Display Type Digital Flow Sensor FM-200(Discontinued)


Integrated Display Type Digital Flow Sensor FM-200(Discontinued)

*Photo may vary from actual product.



  • Discontinued
  • Last time buyJuly 31, 2022
Product Number FM-254-8-P
Part Number FM-254-8-P
Product Integrated Display Type Digital Flow Sensor
Details Resin body type
Product name Integrated Display Type Digital Flow Sensor FM-200(Discontinued)
  • Substitute -
  • Sub Prod No. -
  • Sub Part No. -
  • Remark Sorry, no suggested alternative products.

Spec Detail As of July 31, 2022

Item Specifications
Product Number FM-254-8-P
Part Number FM-254-8-P
Full scale flow rate 50 ℓ/min.
(Note):Converted to volumetric flow at +20 ℃ +68 ℉ and 1 atmospheric pressure (101 kPa).
Instant flow rate:Display range -55 to +55 ℓ/min.
(Note):The display flow rate range is the case when setting to bi-direction at the flow direction setting. When the flow direction is set to one-side forward direction or one-side reverse direction, the negative side of the display flow rate range shows 10 % of the full-scale (F.S.).
Instant flow rate:Setting and display resolution 0.1 ℓ/min.
Integrated flow rate:Display range ±999999.9 ℓ
(Note):The display flow rate range is the case when setting to bi-direction at the flow direction setting. When the flow direction is set to one-side forward direction or one-side reverse direction, the negative side of the display flow rate range shows 10 % of the full-scale (F.S.).
Integrated flow rate:Setting and display resolution 0.1 ℓ
Specified integrated value 0.5 ℓ
Port size ø8 ø0.315 push-in
Weight Net weight:70 g approx., Gross weight: 135 g approx.
Rated pressure range -0.09 to +0.7 MPa
Pressure withstandability 1 MPa
Applicable fluid Clean air, compressed air, nitrogen gas
(Note):The clean air complies with JIS B 8392-1.1.1 to 5.6.2, and the compressed air complies with JIS B 8392-1.1.1 to 1.6.2.
Supply voltage 12 to 24 V DC ± 10 % Ripple P-P10 % or less
Current consumption Normal mode: 60 mA or less, ECO mode: 40 mA or less
Comparative output PNP open-collector transistor
・Maximum source current: 50 m A or less
・Applied voltage: 26.4 V DC or less(between comparative output and +V)
・Residual voltage: 2.4 V or less (at 50 mA source current)
Comparative output:Output modes Output OFF mode, window comparator mode, hysteresis mode, integrated output mode, integrated pulse output mode
Comparative output:Short-circuit protection Incorporated
Comparative output:Hysteresis Window comparator mode: 1 to 8 % F.S. approx. (variable) (Factory settings: approx. 1 % F.S.), Hysteresis mode: Variable (minimum 1 digit)
Comparative output:Response time 50 ms, 80 ms, 120 ms, 200 ms, 400 ms, 800 ms, 1,500 ms, selectable by key operation
Analog voltage output Output voltage: 1 to 5 V, Output impedance: 1 kΩ approx.
[Refer to "Analog voltage output" for more details.]
Repeatability Within ±1 % F.S.
Accuracy assurance range Bi-direction : -100 to -3 % F.S., +3 to +100 % F.S.
One-side direction : +3 to +100 % F.S.
(Note):Take care that if fluid flows in the vicinity of zero-point which is out of the accuracy assurance range, the instant flow rate value may forcibly display "zero", or the integrated flow display value may not be counted up, or the integrated pulse output may not be outputted.
External input ON voltage: +5 V to +V
OFF voltage: 0 to +0.6 V, or open
Input time: 80 ms or more
Linearity Within ±3 % F.S. (Ambient temperature +25 ℃ +77 ℉, flow rate range 3 to 100 % F.S., atmospheric criteria on secondary side)
Display 4 digits + 4 digits 2-color LCD display (Display refresh rate: 250 ms, 500 ms, 1,000 ms, selectable by key operation)
Protection IP40 (IEC)
Ambient temperature 0 to +50 ℃ +32 to +122 ℉ (No dew condensation allowed), Storage: -10 to +60 ℃ +14 to +140 ℉
Ambient humidity 35 to 90 % RH, Storage: 35 to 90 % RH
Voltage withstandability 1,000 V AC for one min. between all supply terminals connected together and enclosure (Excluding the aluminum body type)
Insulation resistance 10 MΩ, or more, with 500 V DC megger between all supply terminals connected together and enclosure (Excluding the aluminum body type)
Vibration resistance 10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude or 49 m/s2 max. acceleration, in X, Y and Z directions for two hours each
Shock resistance 100 m/s2 acceleration (10 G approx.) in X, Y and Z directions three times each
Temperature characteristics Within ±0.2 % F.S./℃ (+25 ℃ +77 ℉ criteria, +15 to +35 ℃ +59 to +95 ℉ ambient temperature range)
Pressure characteristics Within ±5 % F.S. (-0.09 to +0.7 MPa, +25 ℃ +77 ℉, atmospheric criteria on secondary side)
Enclosure earthing Floating
(Note):As a varistor (clamping voltage: approx. 40 V) is connected to the aluminum body type, do not apply voltage higher than the rated voltage of the sensor.
Material Enclosure: ABS, Body: Polyamide (Aluminum body type: Aluminum), Switch: EPDM, Display: Acrylic, Mounting screw part (Resin body type): Brass Current plate / Port filter: Stainless steel (used for the gas contact area), Sensor chip: Silicon, Gasket: Fluorine rubber
Connecting method Connector
Cable length Total length up to 10 m 32.808 ft is possible with 0.3 mm2, or more, cable.
Accessories CN-F15-C1 (Connector attached cable 1 m 3.281 ft): 1 pc.

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