Campbell CS475 Uživatelský manuál stáhnout pdf (Strana 19)

User Manual

Three sensor models are available that differ in their measurement range and

accuracy. The CS475 can measure distances up to 65 feet with an accuracy of ±0.2

inches; the CS476 can measure up to 98 feet with an accuracy of ±0.1 inches; and

the CS477 can measure up to 230 feet with an accuracy of ±0.6 inches.

Figure 5-1. CS475, CS476, and CS477

5.1 Components and Hardware

The radar sensor consists of an integrated microwave transmitter and sensor

together with a horn antenna (see Figure 5-2 and Table 5-1). The horn antenna

serves to focus the transmitted signal and to receive the reflected echo. A built-in

SDI-12 interface provides data processing and SDI-12 communications with the

datalogger.

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Campbell CS475 Uživatelský manuál Strana 19