The FT400-Series flow computers are micro controller-based indicator/transmitters that display flow rate and total and provide output signals. The FT415 is battery-powered and provides a scalable pulse output. The FT420 is powered by external DC voltage and has both pulse and 4-20 mA analog outputs. When the FT420 is being used in the 4-20 mA mode, it is a “two-wire” or “loop-powered” device, meaning that the 4-20 mA output signal doubles as its power supply.
The addition of a dual-relay output board (FT420 only) allows for certain applications requiring contact output isolation (e.g., certain metering pumps and water treatment controls). Dual solid state relays provide exactly the same pulse output as the standard unit, and each can signal one external device.
The addition of a dual-relay output board (FT420 only) allows for certain applications requiring contact output isolation (e.g., certain metering pumps and water treatment controls). Dual solid state relays provide exactly the same pulse output as the standard unit, and each can signal one external device.
FEATURES
• Simple Setup
• Battery (FT415) or Loop Powered (FT420)
• Remote or Flow Sensor Mounted Indicator• Rugged Metallic Housing
• Non-volatile Memory
APPLICATIONS
• Water Treatment
• Water Utility
• Industrial Chemical Handling
Both the FT415 and the FT420 can be factory-mounted on the meter or remotely wall mounted with the brackets provided. The FT420 is also available as a panel mount with an open back for
easy installation in the user’s own electrical enclosure. Most FT400’s can be converted from wall-to-meter or meter-to-wall mount configurations after installation if needed.
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