On-Board Flow Meter DF-2200

On-Board Flow Meter DF-2200

 

The DF-2200 On-Board Flow Meter is a compact on-board fuel flow meter developed for our FP series Volumetric Flow Detector. It accepts pulse signal SIG A and SIG B that have phase differences, and includes the backward flow correction function for back-flow.

 

Displaying and measuring the mass flow rate is possible by entering the value of standard density of the fuel in use, and its temperature and density coefficient (1/°C). Besides the flow rate, the items of time/ temperature (resistance temperature detectors)/ pressure (voltage input) can also be measured.

The DF-2200 outputs the voltage corresponding to the value of instantaneous flow rate/ temperature/ pressure, and outputs the pulse corresponding to the instantaneous flow rate. CAN and RS-232C (option) are also equipped with the external devices as a communication function.

 

This is the flow meter that is capable of not only on-board measurement but also measurement on engine bench.

 

Features

  • Compact body optimum for on-board testing. Easy to install in a vehicle
  • The flow rate/ temperature/ pressure can be measured with just one unit

  • Analog output with high-speed response (with average processing function)
  • CAN output (standard) and RS-2232C (option) are installed as communication system
  • Total auto stop function is provided as an option.
  • Wide power input range from 12 to 24 VDC corresponding to various test vehicles. AC voltage from 100 to 240 VAC is available by using the AC adapter (option).

 

Specification

 

DF-2200 On-Board Flow Meter

Applicable detector

FP-4135, FP-213/213S, FP-3130/3130S, FP-3132/3132S, FP-2140H, FP-2240HA, FP-3140/3142, FP-2140S, MF-3200

Display method

Fluorescent display tube, 11.45 mm× 69.85 mm (2-stage display)

Display digit

 

Total flow

ΟΟΟΟΟΟΟ.Ο 
• The decimal point is variable according to the weight per selected pulse 
The third decimal point: 0.001 mL/ Pulse
The second decimal point: 0.01
The first decimal point: 0.1
• When the display value reaches its maximum, change and display the decimal point as follows; 0.000 to 99999.999, 100000.00 to 999999.99, 1000000.0 to 9999999. 9
• When the multiplication is ON, add one decimal digit to the above values.

Instantaneous flow rate

ΟΟΟ.ΟΟΟΟ
• The decimal point is variable according to the weight per selected pulse.
The third decimal point: 0.001 mL/ Pulse
The second decimal point: 0.01
The first decimal point: 0.1
• When the multiplication is ON, add one decimal digit to the above values.
Pressure ΟΟΟΟ.Ο(without after the decimal point)
• Display unit: kPa

Temperature

ΟΟΟ.Ο (to the first decimal point)
• Display unit: °C

Total time

ΟΟΟΟ.ΟΟ (to the second decimal point)
• Display unit: s
• When the display digits become full, display the value by round up after the decimal point.
Output section

Instantaneous flow rate

Voltage output: 0 to 10 V
Range setting: 0 to 60/100/120/200/300 (unit: L/h and kg/h)
Offset the output: ±10 mV or less
Temperature coefficient: ±0.02%/ F.S./°C 
Output impedance: Approx. 150 Ω 
Recommended load resistance: 100 kΩ or more
Output terminal: BNC
Linearity: ±0.1%/F.S. or less
Update period: 10 ms (standard)/1 ms (option)

   • Average indexation settings
     (stamdard): 1 ≦ N ≦ 1000 (initial value N=30)
     (option): 1 ≦ N ≦ 10000 (initial value N=300)

Temperature

Voltage output: 0 to 10 V
Range setting: Select from 0 to 100, -50 to 100°C 
Offset the output: ±10 mV or less
Temperature coefficient: ±0.02%/F.S./°C 
Output impedance: Approx. 150 Ω 
Recommended load resistance: 100 kΩ or more
Output terminal: BNC
Output precision: ±0.5%/F.S. (when RL > 100 kΩ)
Update period: 100 ms

   • Average indexation settings: 1 ≦ N ≦ 10 (initial value N=2)
Pressure

 

Voltage output: 0 to 10 V
Range setting: Select from 200/500/1000/980 kPa (for input: 0 to +5 V)
Offset the output: ±10 mV or less
Temperature coefficient: ±0.02%/F.S./°C 
Output impedance: Approx. 150 Ω 
Recommended load resistance: 100 kΩ or more
Output terminal: BNC
Output precision: ±0.5%/F.S. (when RL > 100 kΩ)
Update period: 10 ms (standard)/ 1 ms (option)

   • Average indexation settings
   (standard) : 1 ≦ N ≦ 100 (initial value N=20)
   (option) : 1 ≦ N ≦ 10000 (initial value N=200)
Pulse output

Output item: Instantaneous flow rate
Output waveform: Square wave Duty 50%
  • During unloading
  • Depending on the input signal when set DIRECT
  HIGH level: +4.5 V or more
  LOW level: +0.4 V or less
Recommended load resistance: 100 kΩ or more
Output terminal: BNC
The number of output pulse: 0.001/0.01/0.1 (mL/Pulse or g/Pulse) and Direct
Minimum pulse duration: Approx. 1 μs

Accuracy: ±0.5% (to the sampling data)
Function section Average instantaneous flow rate Display the data obtained through moving average the instantaneous flow rate, updated and displayed per 500 ms or 1 s, by 0.5 to 10 s.

Instantaneous flow rate analog output

Indexation average

OFF/ON (N=1 to 1000)

Backward flow correction Detect a backward flow and correct the flow amount
Density temperature correction function (convert into weight) Correction function to know the weight flow from volumetric flow
Output calibration (CAL)

V_OUT ZERO: 0 V

V_OUT FULL: 10 V
Factor 1000 to 100000
CAN output

Protocol: Conforms to CAN Ver 2.0 B
Baud rate: 125 kbps/ 250 kbps/ 500 kbps/ 1 Mbps
Output update cycle: Select from OFF/1 Hz/2 Hz/5 Hz/10 Hz/20 Hz/100 Hz/ 1 kHz (option)
Output item: Instantaneous flow rate (L/h)/ Temperature (°C)/ Pressure (kPa)/ Total flow (L) (option)/ Total time (s) (option)
Connector: D-SUB 9PIN (male)
Termination resistor: ON/OFF
Bus data format: Endian: Big Endian (Motorola)

ID: 0×721 (Initial value) 0×001 to 0×7FF Variable
RS-232C (option)

Serial communication (Start-stop system): 9600 bps/ 38400 bps

Connector: D-SUB 9PIN (male)
General specification Power source

Battery connecting: 10 to 28 VDC

When using AC adapter (option): 100 to 240 VAC 50/60 Hz
Current consumption 28 VA or less (when 12 VDC)
Operating environment Indoor, in a vehicle
Altitude Elevation 2000 m or less
Operating temperature range 0 to +50°C *Operating temperature range of AC adapter is 0 to +40°C
Storage temperature range -10 to +60 °C
Operating humidity range 5 to 80 %
Storage humidity range 5 to 85 %
Outer dimension 170(w) × 49(H) × 120(D)
Weight Approx, 800g
Safety

IEC61010-1: Over-voltage category II Protection Class II Pollution level II

• When using an optional AC adapter.
Conforming standard CE marking LVD Directive 2014/35/EU Standard EN61010-1 (with AC adapter)
EMC Directive 2014/30/EU Standard EN61326-1
RoHS Directive 2011/65/EU Standard EN50581
Accessory

Instruction manual×1
Rubber foot×4

Power cable for battery×1

 

Option

 

Model name Name
DF-0221 Auto stop function
DF-0223 Remote box
DF-0224*1 DA/CAN High-speed output function
DF-0225 CAN integrated value output function

*1: Enabling high-speed output of 1ms from standard 10 ms.

 

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