Frequently Asked Questions about Fuel Flow Meters

Question number FAQ-0013

Comparison table of specifications for FM-2500 flow indicator and FM-1500 flow indicator.

item	FM-2500	FM-1500	Remarks
suitable flow rate detector	FP Series	Available	Available	FP-213S、FP-213、FP-2140H、FP-2240HA、FP-215、FP-2250A
FZ Series	Available	Available	FZ-2100、FZ2200
FX Series	Available	×	FX-1110、FX-1120、FX-1130
Please contact us regarding old-style detectors.
Measurement Module	DF-0400	Available	Available	For FP series flow detectors.
FZ-0300	Available	Available	For FZ series flow detectors
FX-0400	Available	×	For FX series flow detectors. Cannot be combined with other measurement modules.
calculation module	FM-0210	Available	×	Use in combination with flow detectors FP and FZ series (each module). FX series is not applicable.
time measurement	Interval accumulation	s	Available	Available
Total calculation	s	Available	Available
Rotational measurement (rotational speed, number of rotations)	r/min、REV	Available	×
Pressure measurement	kPa	Available	Available	Use pressure measurement detectors (FP-2240HA, FP-2250A).
Temperature measurement	℃	Available	Available	Using temperature-measuring detectors (FP-2240HA, FP-2250A, FZ-2100, FZ-2200)
Flow measurement	instant	mL/s、g/s	Available	×
mL/min、g/min	Available	×
L/h、kg/h	Available	Available
Interval accumulation	mL、g	Available	Available
L、kg	Available	×
Total calculation	mL、g	Available	Available
L、kg	Available	×
interval average	mL/s、g/s	Available	×	Interval Integrated Flow Rate/Interval Time
mL/min、g/min	Available	×
L/h、kg/h	Available	Available
Total average	mL/s、g/s	Available	×	Total accumulated flow rate / Total accumulated time
mL/min、g/min	Available	×
L/h、kg/h	Available	Available
jet amount	mm³/st、mg/st	Available	×
Section Average injection amount	mm³/st、mg/st	Available	×
average ejection amount	mm³/st、mg/st	Available	×
Fuel Density Meter Test*	density	g/cm³	Available	Available	*When using the flow detector FZ series
Temperature conversion setting		Available	Available	2500: Density calculation at the three specified temperatures.
	1500: Density calculation for a set temperature at one point
Display update time	instant	s	arbitrary	fixed	2500: Set in the range of 1 to 10 seconds (in 1-second increments)
1500: 1 second
Cumulative Measurement Mode	Traffic configuration method	→	2500: Time accumulation from the start signal to the set cumulative flow rate, rotation accumulation.
1500: Time accumulation from the start signal to the set cumulative flow rate.
Time setting method	→	2500: Flow integration and rotation integration from the start signal to the set integration time.
Flow rate accumulation from the start signal to the set accumulation time.
Rotation setting method	→	×	Flow accumulation and time accumulation from the start signal to the set accumulated rotations.
Voltage output	Flow Rate Measurement	0～10V	arbitrary value	value selection	2500: 0-10V/Low-Hi (Low and Hi values are arbitrary)
1500: 0 to 10V / 0 to F.S (F.S values can be selected from 100/200/300/500/1000/1500 (kg/h, L/h))
Pressure (by detector)	0～10V	arbitrary value	value selection	2500: 0-10V/Low-Hi (Low and Hi values are arbitrary)
1500: 0-10V/0-F.S (F.S values can be selected from 200/500/980/1000 (kPa) *Standard: 980 kPa
Temperature (by detector)	0～10V	arbitrary value	fixed	2500: 0-10V/Low-Hi (Low and Hi values are arbitrary)
1500: 0 to 10V / 0 to F.S (F.S value fixed at 100°C)
Density (FZ only)	0～10V	arbitrary value	fixed	2500: 0–10V/Low–Hi (Low, Hi values optional) 0–1g/cm ³ (fixed)
1500: 0-10V/0-F.S (F.S value fixed at 1g/cm ³)
interface	Remote	Available	Available	Option: FM-0200
RS-232C	Available	○*	1500: Measurement values can be printed with the DPU-414 (sold separately).
GPIB	Available	Available	Option: FM-0263 RS-232C is not available for use when GPIB is stored.
Digital I/O	Available	×	Option for FX Recess Detector: FM-0361
Memory function	Measurement Memory	Available	×
memory backup	Available	×
method of representation	→	2500: LCD with CFL backlight, 320×240 dots
1500: Fluorescent display tube (20 characters × 2 lines) Character shape 5×8 dots
weight	→	2500: Approximately 7 kg (when storing 3 modules)
1500: approximately 4.2 kg
maximum current consumption	→	2500: External fuse 2A for 40VA or less
1500: External fuse 2A for 30VA or less

Last updated date: 2026-07-15