Fuel Flow Indicator Frequently Asked Questions
Question number FAQ-0823
Please explain the differences in specifications between the old and new flow meters.
| positive displacement flow meter DF-2410 (older model) | Digital flow meter FM-2500A (older model) | Digital Flow Meter FM-3100 | On-board fuel flow meter DF-2200 | |
|---|---|---|---|---|
| Sampling period | 1-99 s (setting) | 100 ms | 1 ms | 1 ms |
| Exponential average | ― | ― | Arbitrary setting (1 to 10,000) | Exponential average arbitrary (1 to 1,000) |
| moving average | ― | ― | Arbitrary setting (1 to 10,000) | 50 data |
| Analog output exponential average | — (Average value over the interval) | Indexed mean, 15 data points fixed | ― | ― |
| Analog output update cycle | 1.5 s | 100 ms | 1 ms | 10 ms or 1 ms (optional) |
| Displayed Moving Average | ― | ― | 0.5, 1 ～ 10 s | 0.5, 1 ～ 10 s |
| Display cycle | 1 to 99 seconds (setting) | 1 ～ 10 s | 0.5 s | 0.5, 1 ～ 10 s |
| communication | GPIB BCD RS-232C (optional) | RS-232C GPIB (optional) DIDO (100 ms: optional) | RS-232C CAN（1 ms） | CAN 10 ms CAN (1 ms: optional) RS-232C (optional) |
| Connectable detectors | FP The FP-5000 series is not compatible. | FP/FZ/FX | FP/FD/FZ/FX | FP FP-5150 series, FP-215 cannot be connected. |
| language | English | English | English, Chinese (optional) | English |
| Size (mm) | Approximately 360 (W) × 99 (H) × 450 (D) | 360 （W） × 99 （H） × 301 （D） | 240 （W） × 99（H） × 297（D） | 170 （W） × 49（H） × 120（D） |
| display | Black and white | Black and white | color | Fluorescent display tube |
| Power supply | AC 100-240V | AC 100-240V | AC 100-240V | DC 10 ～ 28 V |
| In-vehicle | Not possible | Not possible | Not possible | Possible |
| Rotation signal input | ― | Two units for rotation sensors. One pulse input | Pulse input only | ― |
| FP-5000 High Resolution Type Connection with (2400 P/R) | Not possible | Not possible | Possible | Not possible (FP-5151 is also not possible) |
Last updated: 2021-12-27