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Fluidwell - Model F115 -Field Mount - Bi-directional Flow Rate Indicator / Totalizer
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The F115 has been developed for applications where the direction of flow is an issue. It is required to offer two pulse signals from the flowmeter which are 90° or 270° degrees out of phase. In case of a reverse flow, the flow rate will be displayed as a negative value, the totalizers will count down and a switch output will be set. The pulse and analog outputs do reflect both flow directions. On-screen engineering units are easily configured from a comprehensive selection.
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- Robust IP66, IP67 (NEMA Type4X) field enclosure. It is so rugged, you can even stand on it!
- Intrinsically Safe available - ATEX and IECEx approval for gas and dust applications.
- Programming can be done by your own crew, with the sensible menu-driven structure, saving cost and irritation. Know one, know them all!
- Very diverse mounting possibilities: walls, pipes, panels or directly onto outdoor sensors.
- Quadrature input to detect the direction of flow.
- Displays positive and negative flow rate to indicate the flow direction.
- Total and accumulated total count up and down accoording to the flow direction.
- Analog and pulse outputs.
- Displays total and flow rate simultaneously.
- Large digit selection for flow rate or total.
- Flow rate: seven 17mm (0.67") or 8mm (0.31") digits.
- Total - resettable: seven 17mm (0.67") digits.
- Accumulated total - not resettable: eleven 8mm (0.31") digits.
- Separate engineering units for flow rate and total on the display.
- LED backlight.
- Auto backup of settings and running totals in EEPROM memory.
- Ambient temperature: -40°C to +80°C (-40°F to 176°F).
- Various accessories are available for this product.
- The F-Series is so rugged, even a truck can stand on it!
- The F-Series is your first and best choice for field mount indicators in safe and hazardous area applications. Especially in harsh weather conditions like rain, snow, salty atmospheres and temperatures between -40°C up to +80°C (-40°F up to 176°F).
- Bi-directional flow measurement applications can be found by loading and unloading of ships where one bi-directional flowmeter is used. An other application is the correction for back-flow due to shocks in a pipeline caused by piston pumps or valve behavior.
Power Supply
- Long life Lithium battery.
- 4 – 20mAOutput loop-powered.
- 8 – 24V AC/DC.
- 115 – 230V AC.
- Basic: 8 - 30V DC.
Sensor Supply
- 3.2, 8.2, 12, 24V DC.
Flowmeter Inputs
- Pulse type inputs:
Reed-switch, NAMUR, NPN/PNP pulse, Sine wave (coil), active pulse signal.
Different pulse signal types are allowed for input A and B.
Pulse Outputs
- Function: Scaled pulse output according to the bi-directional accumulated total (e.g. a pulse every 3.25 gallons).
Max. frequency: 500Hz.
Adjustable pulse length from 0.001 sec. to 9.999 seconds. The directional switch output is switched as soon as the pulse output reflects a "negative" quantity. - Type: Two passive NPN transistors, active PNP transistors or isolated electro-mechanical relays.
Alarm Outputs
- None.
Analog Outputs
- Function: Re-transmitting the positive and/or negative flow rate - the output can be scaled to any range (e.g. +40 L/min to +600 L/min and -40 L/min to -600 L/min or positive flow rates only). The 4mA / 0V equals the minimum (zero) flow rate, it can NOT equal a negative flow rate value.
- Type: One passive isolated, floating or loop powered4 – 20mA output or one active(0)4 – 20mA or0 – 10V DC output.