Multiple analog and digital output options are available including: 0 to 350 mV, 0 to 2.5 V, 0 to 5 V, and 4 to 20 mA ranges. Digital output options include a digital 'smart' sensor that uses USB communication and custom software to interface directly to a computer, SDI-12, and Modbus protocols. The silicon-cell pyranometer is also available attached to a hand-held meter with digital readout. The analog version of this sensor (SP-110) works with our
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