9 pulse sensors, Figure 5: pulse input types – Campbell Scientific CR200/CR200X-series Dataloggers User Manual

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Section 2. Quickstart Tutorial

Figure 4: Half Bridge Wiring -- Wind Vane Potentiometer

2.1.9 Pulse Sensors

The CR200(X) can measure switch closures, low-level AC signals (waveform

breaks zero volts), or voltage pulses. Compatible signal types are illustrated in

FIGURE. Pulse Input Types

(p. 7). A pulse input wiring example is shown in

FIGURE. Pulse Input Wiring -- Anemometer Switch

(p. 8).

Note Period averaging sensors are connected to analog channels.

Figure 5: Pulse Input Types