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Model Selection Guide

A Series 85000/86000 Fuel Flow Interface System combines a digital LCD Engine Hour Meter, Tachometer, Fuel Flowmeter, and Fuel Totalizer in a single 3-3/8" diameter instrument which fits the panel space of a standard tachometer. This meter also provides a fuel flow rate output signal for GPS systems, data acquisition systems, and for FloScan Series 97000/98000 GPS Interface systems in twin diesel engine boats.

Diesel Model Features

• Fits most diesel engines rated from 25 hp to 4000 hp. Twin diesels require two separate FloScan systems.

• Microprocessor based electronics with 2-stage adjustable calibration of LPH & liters used for superior accuracy.

• Simultaneous independent display of engine hour time, RPM, LPH, and liters consumed.

• RPM readout accurate to 1 RPM. Easily connects to existing magnetic, a/c signal generator, or engine alternator RPM pick-ups.

• LPH and totalizer readings displayed in whole liter increments. Totalizer capacity up to 99,999 liters.

• Dual color (amber/green) backlighting of LCD provides for easy night viewing.

• Requires 1 Momentary ON / Constant OFF toggle button switch for resetting fuel totalizer reading. See Accessories page for recommended toggle switch (4001-433-00) for this feature.

• Meter fits 86mm panel opening (standard tach size). Can replace existing tachs in panel.

• Models available in black or white (bezel/dial face)

• Uses Model 201/231 Series K Diesel Standard Flow Sensors which are designed for feed and return flows in the range of 1 - 180 LPH. Standard Flow Sensors incorporate 1/4" NPT female inlet and outlet ports with 1 PSI or less pressure drop at rated flows.

•Uses Model 233/236 Series K Diesel High Flow Sensors which are designed for feed and return flows in the range of 110 - 1550 LPH. High Flow Sensors incorporate 1" NPT female inlet and outlet ports with 1 PSI or less pressure drop at rated flows.

Pulse Output Features

The standard fuel flow output signal is an open collector transistor (square wave) type where 1000 pulses equal 1 liter consumed. A frequency counter is required for interfacing to a data acquisition system or vessel monitoring software program. The pulse output instrument produces a square wave DC signal with an approximate 50/50 duty cycle. Amplitude is determined by "Pull-Up" resistor value.

1K = 8.7 VDC
5K = 6.9 VDC
10K = 6.5 VDC
50K = 5.8 VDC
100K = 5.4 VDC

The pulse output signal must be fed into a high impedance device, (frequency counter) etc. Current draw is negligible, about 5 to 10 micro amps @ 1Meg.

0-5 volt analog output models are available on a special order basis. Customer can specify the fuel flow value (GPH) that equals 5 volts.

Requires 1 SPST push button panel switch for resetting fuel totalizer reading. See Accessories page for recommended toggle switch (4001-433-00) for this feature.

Click ( HERE ) to go directly to our Model Selection Guide. If your engine is not listed in our Model Selection Guide, please e-mail sales@floscan.com or fax (206) 523-4961. Tel: (206) 524-6625.