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Digital Flow Meter

FM-2500A/1500

 

 

  • Measurement Module
  • Features
  • Applications
  • Actual screen displays (FM-2500A)
  • Overview Specification

    • Photo (FM-2500 Digital Flow Meter)

    FM-2500A

     

    Photo (FM-1500 Digital Flow Meter)

    FM-1500

    High-precision fuel ｆlow meters that support automobile energy conservation countermeasures. The global warming phenomenon is one of several global environmental conservation problems that need to be tackled, and the further reduction of fuel consumption is one of the important issues currently being addressed. Ono Sokki has been developing and supplying automotive-related measuring and control instruments for over the past half century, with effort of satisfying demands in the market and improving accuracy of instruments, especially for fuel consumption measurement, which could be an essential part of automotive tests. With selection of measurement module, the FM-2500A/1500 digital flow meter can ensure high accurate measurement in combination of flow detectors FP/FX/FZ series, according to testing purpose.

     

    Measurement Module

    FX-0400A Measurement module for FX-series Mass-Burette type Gravity Flow Detectors
    (FM-2500A only)
    DF-0400A Measurement module for FP-series Volumetric Flow Detectors
    FZ-0300A Measurement module for FZ-series Mass Flow Detectors
    FM-0210A Module for result of addition/subtraction between 2sets of flow detectors
    (FM-2500A only)

     

     

    Features

    • Three different flow detectors (FP/FX/FZ series) can be used in combination with selection of suitable measurement module.  (Only the FM-2500A can be used in combination with the FX series flow detectors.)


    • Liquid temperature, pressure, and density can be measured and displayed as well as flow rate. (Density can be measured when in combination with the FX series.)
    • Enables calculation of measured data and displaying them as volumetric flow rate or mass flow rate.
    • Density correction function is provided to display of the mass flow after correction of density based on temperature.
    • Measurement items can be displayed on a LCD in various formats. (FM-2500A)
    • Difference of flow rate can be output by using an addition/subtraction module with two measurement modules. (FM-2500A only. FX series detectors cannot be used.)

     

     

    Applications

    (The flow detector area in the following figure is linked to the each product page.)



    *Please click the following frame to see about Type A, B, C and D.

    Flow Detectors Applicable measurement modules Applicable Flow Meters
    FP series Volumetric Flow Detector × 1 set
    (Type A Type B)    		 DF-0400A × 1 set FM-2500A FM-1500
    FP series Volumetric Flow Detector × 2 sets
    (Type C Type D)    		 DF-0400A × 2 sets ＆
    FM-0210A × 1 set    		 FM-2500A -
    FX series Gravity Flow Detector × 1 set
    (Type A)    		 FX-0400A × 1 set FM-2500A -
    FZ series Mass Flow Detector × 1 set
    (Type A Type B)    		 FZ-0300A × 1 set FM-2500A FM-1500
    FZ series Mass Flow Detector × 2 sets
    (Type C Type D)    		 FZ-0300A × 2 sets ＆
    FM-0210A × 1 set    		 FM-2500A -

     

    Actual screen displays (FM-2500A)

    Measurement value display screen

    Factor setup screen

    Menu screen display screen

     

    Overview Specification

    FM-2500A/1500 Display Unit Specification (+DF-0400A measurement module)

      FM-2500A
    (FM-2500A + DF-0400A)    		 FM-1500
    (FM-1500 + DF-0400A)
    Applicable flow detectors FP-213S, FP-213, FP-2140H, FP-2240HA,
    FP-215 or FP-2250A
    Applicable revolution detectors MP-9100, MP-981 or LG-916 (*9)
    Display method LCD with CFL backlight 320×240 dots Fluorescent display tube

    Displayed items and number of digits

    		 Time measurement Sectional total time (*1) 0.00 to 9999999 s (max. 7 digits)
    Total time (*1)
    Revolution measurement Revolution speed 0.0 r/min (max. 7 digits)

    -
    Sectional total average revolution speed (*2)
    Sectional total revolution 0 to 9999999 REV (max. 7 digits)
    Total average revolution speed (*3) 0.0 r/min(max. 7 digits)
    Total revolution 0 to 9999999 REV(max. 7 digits)
    Pressure 0 to 9999 kPa (max. 4 digits)
    Temperature ±0.0 to 999.9 °C(max. 4 digits)

    Flow rate measurement (max. 7 digits)(*6)(*7)
    Applicable detectors FP-213S FP-213 FP-2140H FP-2240HA FP-215 FP-2250A Units FP-213S FP-213 FP-2140H FP-2240HA FP-215 FP-2250A Units
    Instantaneous flow rate 0.000 0.00 0.0 mL/s mL/min L/h, g/s g/min, kg/h 0.000 0.00 0.0 L/h, kg/h
    Sectional total flow rate (*1) 0.000 to 9999999 0.00 to 9999999 0.0 to 9999999 mL, g, L, kg 0.000 to 9999999 0.00 to 9999999 0.0 to 9999999 mL, g
    Total flow rate (*1)
    Sectional total average flow rate (*4) Same as instantaneous flow rate
    Total average flow rate (*5) Same as instantaneous flow rate -
    Instantaneous in-cylinder injection 0.000 0.00 0.0 mm3/st, mg/st
    Sectional total average in-cylinder injection
    Total average in-cylinder injection
    Measurement time

    Instantaneous

    		Can be specified within the range of 1 to10 seconds (in 1-second increments)

    1-second

    Total

    		 Up to the start time to stop time, specified in the total measurement mode.
    Total measurement mode

    Manual

    		 Total from the start to stop signal specified on the panel or by an external signal (communications or remote box the FM-0200)

    Flow rate setting method

    		 Total time/revolutions from the start signal up to the specified total flow rate. Total time from the start signal up to the specified total flow rate.

    Time setting method

    		 Total flow rate/revolutions from the start signal up to the specified total time. Total flow rate from the start signal up to the specified total time.

    Revolution setting method

    		 Total flow rate/time from the start signal up to the specified total revolutions.

    -
    Voltage output (*8)

    Flow rate

    		 0 to 10 V/Low to High (Low and High values are variable.) 0 to 10 V/0 to F.S. (F.S. value is selectable from 100/200/300/500/1000/1500(kg/h, L/h)

    Pressure

    		 0 to 10 V/0 to F.S. (F.S. value is selectable from 200/500/980/1000(kPa)

    Temperature

    		 0 to 10 V/0 to 100°C
    Pulse output

    Pulse output

    		 FP-213S/213:Selectable from Direct/0.001/0.01(mL/P, g/P)
    FP-2140H/2240HA:Selectable from Direct/0.01/0.1(mL/P, g/P)
    FP-215/2250A:Selectable from Direct/0.1/1(mL/P, g/P)

    Output specification

    		 Frequency range: 0 to 100 kHz
    Output H level: 2.4 V or more, output L level: 0.8 V or less

    (*1) Total value can be displayed up to 7 digits. The position of the decimal point moves to the right or left depending on the number of decimal positions of the values.
    (*2) Sectional total average revolution speed = Sectional total revolution / sectional total time
    (*3) Total average revolution speed = Total revolution / total time
    (*4) Sectional total average flow rate = Sectional total flow rate / sectional total time
    (*5) Total average flow rate = Total flow rate / total time
    (*6) Displayed value of mass flow rate is converted at density / temperature / temperature correction coefficient specified in advance. The conversion by actual measurement density is available when simultaneous measurement with the FZ series 　　continuous mass flow meter is performed. (only the FM-2500A)
    (*7) The position of the decimal point in the above table is when the encoder pulse is set at “120 P/R x multiplier 10” or 　“1200P/R (option)”. If the setting at “120P/R” is selected, the decimal point moves to the right to increase one digit. If the setting at “1200P/R x multiplier 10” is selected, the decimal point moves to the left to decrease one digit.
    (*8) Update interval of voltage output: 0.1 seconds, accuracy: ±0.1%/F.S
    (*9) the MP-9100 can be connected via the Mx-0xx series, MP-981 and LG-916 can be connected via the MX-8000 series cable.

    FM-2500A Display Unit Specification (+FX-0400A measurement module)

    Applicable flow detectors FX-1110, FX-1120 or FX-1130
    Applicable revolution detectors MP-9100, MP-981 or LG-916(*8)
    Display method LCD with CFL backlight 320×240 dots
    Displayed items and number of digits Time measurement Sectional total time (*1) 0.00 to 9999999 s (max. 7 digits)
    Total time (*1)
    Revolution measurement Revolution speed 0.0 r/ min (max. 7 digits)
    Sectional total average revolution speed (*2)
    Sectional total revolution 0 to 9999999 REV (max. 7 digits)
    Total average revolution speed(*3) 0.0 r/ min (max. 7 digits)
    Total revolution 0 to 9999999 REV (max. 7 digits)
    Flow rate measurement (max. 7 digits)(*6)
    Applicable detectors FX-1110 FX-1120 FX-1130 Units
    Instantaneous flow rate 0.000 0.00 mL/s, g/s
    0.0 0 mL/min, g/min
    0.00 0.0 kg/h
    0.00 L/h
    Sectional total flow rate (*1) 0.00 to 9999999 0.0 to 9999999 mL, g, L, kg
    Total flow rate
    Sectional total average flow rate (*4) Same as for instantaneous flow rate
    Total average flow rate (*5)
    Instantaneous in-cylinder injection 0.00 0.0 mm3/st, mg/st
    Sectional total average in-cylinder injection
    Total average in-cylinder injection
    Measurement time Instantaneous Can be specified within the range of 1to 10 seconds (in 1-second increments)
    Total Up to the start time to stop time, specified in the total measurement mode.
    Total measurement mode Manual Total from the start to stop signal specified on the panel or by an external signal (communications or remote box the FM-0200)
    Flow rate setting method Total time/revolutions from the start signal up to the specified total flow rate.
    Time setting method Total flow rate / revolutions from the start signal up to the specified total time.
    Revolution setting method Total flow rate / time from the start signal up to the specified total revolutions.

    Alarm output

    		 Overflow (L1 level): Monitor display and external contact output
    Low fluid (4 level): Monitor display and external contact output
    Fluid fill operation control Setting range for the time for the fluid surface to reach the fixed level 2 to 99 s
    Setting range for the fluid level 0 to 95 %
    Voltage output (*7) Flow rate 0 to 10 V/Low to High(Low and High values are variable.)
    Pulse output Pulse output (no output during charging) FX-1110: Selectable from 0.001/0.01 (mL/P, g/P)
    FX-1120: Selectable from 0.01/0.1 (mL/P, g/P)
    FX-1130: Selectable from 0.1/1 (mL/P, g/P)
    Output specification Frequency range: 0 to 100 kHz, Output H level: 2.4 V or more, Output L level: 0.8 V or less

    (*1) Total value can be displayed up to 7 digits. The position of the decimal point moves to the right or left depending on the number of decimal positions of the value.
    (*2) Sectional total average revolution speed = Sectional total revolution / sectional total time
    (*3) Total average revolution speed = Total revolution / total time
    (*4) Sectional total average flow rate = Sectional total flow rate / sectional total time
    (*5) Total average flow rate = Total flow rate / total time
    (*6) Displayed value of volumetric flow is converted at density / temperature / temperature coefficient specified in advance.
    (*7) Update interval of voltage output: 0.1 seconds, accuracy : ±0.1%/F.S.
    (*8) The MP-9100 can be connected via the MX-0xx series cable, the MP-981 and the LG-916 can be connected via the MX-8000 series cable.


    FM-2500A Display Unit Specification (+FZ-0300A measurement module)

      FM-2500A
    (FM-2500A + FZ-0300A)    		 FM-1500
    (FM-1500 + FZ-0300A)
    Applicable flow detectors FZ-2100 or FZ-2200A
    Applicable revolution detectors MP-9100, MP-981, LG-916(*7)
    Display method LCD with CFL backlight 320×240 dots Fluorescent display tube
    Displayed items and number of digits Time measurement Sectional total time (*1) 0.00 to 9999999 s (max. 7 digits)
    Total time (*1)
    Revolution measurement Revolution speed 0.0 r/ min (max. 7 digits) -
    Sectional total average revolution speed (*2)
    Sectional total revolution 0 to 9999999 REV (max. 7 digits)
    Total average revolution speed (*3) 0.0 r/ min (max. 7 digits)
    Total revolution 0 to 9999999 REV (max. 7 digits)
    Temperature measurement Temperature ±0.0 to 999.9 °C (max. 4 digits)

    Flow rate measurement (max. 7 digits)
    Applicable detectors FZ-2100 FZ-2200A Units FZ-2100 FZ-2200A Units
    Instantaneous flow rate 0.0000 0.00 mL/s, mL/min L/h, g/s, g/min kg/h 0.0000 0.00 L/h, kg/h
    Sectional total flow rate (*1) 0.0000 to 9999999 0.00 to 9999999 mL, g, L, kg 0.0000 to 9999999 0.00 to 9999999 mL, g
    Total flow rate (*1)
    Sectional total average flow rate (*4) Same as for instantaneous flow rate
    Total average flow rate (*5) Same as for instantaneous flow rate -
    Instantaneous in-cylinder injection 0.0000 0.00 mm2/st, mg/st
    Sectional total average in-cylinder injection
    Total average in-cylinder injection
    Density measurement Density

    0.0000 g/cm3 (5 digits)
    Converted temperature setting 0.0 to 999.9 °C (density calculation performed for the three specified temperature points) 0.0 to 999.9 °C (density calculation performed for the one specified temperature point)
    Measurement　time Instantaneous Can be specified within the range of 1 to 10 seconds. (in 1-second increments)

    1-second
    Total (flow rate/time) Up to the start time to stop time, specified in the total measurement mode.
    Total measurement mode Manual Total up to the start to stop signal specified on the panel or by an external signal (communications or remote box the FM-0200)
    Flow rate setting method Total time/revolutions from the start signal up to the specified total flow rate. Total time from the start signal up to the specified total flow rate,
    Time setting method Total flow rate/revolutions from the start signal up to the specified total time Total flow rate from the start signal up to the specified total time.
    Revolution setting method Total flow rate/time from the start signal up to the specified total revolutions

    -
    Voltage output (*6) Flow rate 0 to 10 V/Low to High (Low and High values are variable.) 0 to 10 V/0 to F.S. (F.S. value is selectable from 100/200/300/500/1000 or 1500 (kg/h, L/h))
    Density 0 to 10 V/0 to 1 g/cm3
    Temperature 0 to 10 V/0 to 100 °C
    Pulse output Pulse output FZ-2100: Selectable from 0.001/0.01 (mL/P, g/P)
    FZ-2200A: Selectable from 0.1/1 (mL/P, g/P)
    Output specification Frequency range: 0 to 100 kHz, output H level: 2.4 V or more, output L level: 0.8 V or less

    (*1) Total value can be displayed up to 7 digits. The position of the decimal point moves to the right or left depending on the number of decimal positions of the value.
    (*2) Sectional total average revolution speed = Sectional total revolution / sectional total time
    (*3)Total average revolution speed = Total revolution / total time
    (*4) Sectional total average flow rate = Sectional total flow rate / sectional total time
    (*5) Total average flow rate = Total flow rate / total time
    (*6) Update interval of voltage output: 0.1 seconds, accuracy : ±0.1%/F.S.
    (*7) The MP-9100 can be connected via the MX-0xx series cable, the MP-981 and the LG-916 can be connected via the MX-8000 series cable.

    FM-2500A/1500 Display Unit Common Specification(*1)

      FM-2500A (*2) FM-1500
    Display LDC with CFL backlight, 320 x 240 dots Fluorescent display tube (20 characters x 2 lines)
    Interface (*3) Remote (*4) Commands START, STOP, HOLD, DISP, RESET
    Input level H＝+2.4 to 15 V, L＝+0.8 V or less
    RS-232C (*5) Communication method: asynchronous full-duplex mode, data length: 8 bits, baud rate (*6):9600, 19200, 38400, 57600, 115200 bps
    GPIB Option(model name: FM-0263)
    Digital I/O Option (model name: FM-0361)

    -
    Memory function Measurement memory Capacity 300 addresses
    Capture timing Automatically saved when Hold or Stop, automatic increment of addresses from 001 to 300
    Memory backup Memory capacity 1 MByte (SRAM)
    Data backup period Approx. 1.5 month (at 25°C) battery: coin-type vanadium lithium secondary battery
    General specification Storage temperature/humidity range -20 to +60 °C/10 to 90 % RH (with no condensation)
    Operating temperature/humidity range 0 to +40 °C/30 to 90 % RH (with no condensation)
    Power requirement Power requirement FM-2500A: 100 to 240 VAC , 50/60 Hz
    Maximum current consumption 40 VA or less
    External fuse: 2 A    		 30 VA or less
    External fuse: 2A
    Insulation resistance 10 MΩ or more (500 VDC rated power supply)
    Withstand voltage 1500 VAC for one minute
    Compatible shock-resistance standard JIS C 0041: 1999 (Peak acceleration: 300m/s2, shock application period: 18ms)
    Compatible vibration –resistance standard JIS C 0040: 1999(vibration acceleration :10m/s2, vibration frequency range:10 to 150 Hz)

    (*1) The above specifications are specifications that are common to the FM-2500A and FM-1500. Moreover, "-" indicates specifications that are not included with the FM-1500.
    (*2) Only on interface unit can be installed. The RS-232C interface cannot be used if a GPIB interface is installed.
    (*3) The model name of remote box is the FM-0200.
    (*4) With the FM-1500, the DPU-414 digital printer (option) can be used to print out measured values. (RS-232C interface)
    (*5) Baud rate of the FM-1500: 9600 bps


    FM series Display units and options

    Name Model name Descriptions
    Digital Flow Meter FM-2500A For FP, FX and FZ series detectors
    FM-1500 For FP and FZ series detectors
    Measurement Module DF-0400A For FP series detectors
    FX-0400A For FX series detectors (FM-2500A only)
    FZ-0300A For FZ series detectors
    Addition/Subtraction Module* FM-0210A Signal output module for data sum or difference between two of detectors (exclusive for FM-2500A)
    GP-IB board* FM-0263 For FM-2500A and FM-1500
    Remote box* FM-0200 For FM-2500A and FM-1500

    *: Option

    Revised:2021/05/27


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