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Transmitter converts pulse frequencies to analog signals

The Bat Blind Analog Transmitter is easy to set up, and can be wall- or meter-mounted. Suitable for data logging, telemetry and programmable controllers, it converts pulse frequency outputs from compatible flowmeters to a continuous four to 20 mA analog signal. Four rotary switches allow the frequency for the flowmeter output signal to be adjusted, and a microcontroller automatically scales all other values. The microcontroller can also average inputs for more stable reading outputs. The rate for averaging is adjustable—between two and 16 seconds. The Bat’s power is supplied by a current loop, making only two wires necessary. Dwyer Instruments Inc.

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