FF-5 - Measuring equipment MGL Avionics - Free user manual and instructions
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| Product Type | Fuel Flow Indicator |
| Model | FF-5 |
| Brand | MGL Avionics |
| Dimensions | 2.25" x 2.25" (57 mm x 57 mm) panel cutout |
| Weight | Approx. 100 g (3.5 oz) |
| Power Supply | 12 VDC, 200 mA max |
| Display | High-contrast LCD with backlight |
| Measurement Range | 0.1 to 99.9 L/h or US gal/h (configurable) |
| Accuracy | ±2% of reading |
| Functions | Instantaneous flow, total fuel used, fuel remaining, rate alarm |
| Input Type | Pulse signal from flow transducer |
| Output | Serial data (RS-232) for EFIS integration |
| Mounting | Panel mount, standard 2.25" hole |
| Environmental Rating | Temperature -20°C to +60°C; humidity 95% non-condensing |
| Materials | Anodized aluminum bezel, PC-ABS casing |
| Maintenance | Clean with soft dry cloth; no internal user-serviceable parts |
| Safety | Designed for aircraft use; follow installation manual |
| Spare Parts | Replacement flow transducer, wiring harness, bezel |
| Repairability | Return to MGL Avionics or authorized service center |
| Certifications | TSO (Technical Standard Order) compliant |
| Warranty | 2 years limited warranty |
Frequently Asked Questions - FF-5 MGL Avionics
What type of flow transducer is compatible with the FF-5?
The FF-5 is designed to work with MGL's standard fuel flow transducer (pulse output). It can also be configured for other transducers with appropriate pulse scaling.
How do I install the FF-5 in my aircraft panel?
Cut a 2.25" round hole, slide the unit in, and secure with the provided mounting bracket. Connect power, ground, and transducer wires per the wiring diagram in the manual.
Can the FF-5 display in liters per hour or gallons per hour?
Yes, the unit can be configured for either L/h or US gal/h via the setup menu. Refer to the manual for calibration steps.
What is the power requirement for the FF-5?
It operates on 12 VDC nominal (10-15 V) and draws about 200 mA maximum with backlight on.
How accurate is the FF-5 flow measurement?
Accuracy is typically ±2% of reading, depending on transducer calibration and installation.
Does the FF-5 have a fuel remaining feature?
Yes, it can compute fuel remaining if you enter initial fuel quantity. It subtracts total fuel used.
Can I connect the FF-5 to my EFIS?
Yes, it has an RS-232 output for serial data (fuel flow and total) compatible with many MGL and third-party EFIS.
What maintenance does the FF-5 require?
Minimal maintenance: clean the display with a soft cloth. Periodically check wiring connections. The transducer may need periodic calibration.
Is the FF-5 TSO certified?
Yes, it meets TSO-C44 requirements for fuel flow indication.
Where can I find spare parts or repair service?
Contact MGL Avionics or an authorized dealer. Spare transducers, cables, and bezels are available. Repairs should be done by the factory.
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USER MANUAL FF-5 MGL Avionics
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Product information
Brand : MGL Avionics
Model : FF-5
Category : Measuring equipment