Campbell-scientific CS470/CS471 Compact Bubbler System Manual de usuario descargar pdf (Pagina 16)

CS470/CS471 Compact Bubbler System

• Does not use pressurized nitrogen tank — requiring less frequent

attendance

• Existing tubes can be used

• Compatible with Campbell Scientific CRBasic dataloggers:

CR200(X) series, CR800 series, CR1000, CR3000, and CR5000.

Also compatible with Edlog dataloggers: CR500, CR510, CR10(X),

and CR23X

Power Requirements: 10 to 30 Vdc (typically supplied by the datalogger

Power Consumption: Quiescent current < 0.25 mA

Measurement/Communication Current:

Typical 320 mAh/day with 1 minute query interval

Typical 25 mAh/day with 15 min query interval

Measurement Time: 1 minute

Outputs: SDI-12 (version 1.3) 1200 Baud

4 to 20 mA

RS-484 (SDI-12 Protocol via RS-485 interface)

Measurement Ranges: 0 to 50 ft

Accuracy: CS470 Standard: ±0.02 ft

CS471 High Accuracy:

0 to 15 ft: ±0.01 ft

15 to 35 ft: ±0.065% of reading

35 to 50 ft: ±0.02 ft

Resolution: 0.003 ft/0.014 psi

Operating Temperature: –20 to 60 °C

Storage Temperature: –40 to 85 °C

Relative Humidity: 10 to 95% non-condensing

Measuring tube: 1/8 in. I.D, 3/8 in. O.D., 100.6 m (330 ft) maximum

length

Dimensions: 16.5 x 20.5 x 11.5 cm (6.5 x 8.1 x 4.5 in)

Weight: 1.5 kg (3.3 lb)

7. Installation

If you are programming your datalogger with Short Cut, skip Section 7.7,

Wiring, and Section 7.8, Programming. Short Cut does this work for you. See

Section 4, Quickstart, for a Short Cut tutorial.

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Campbell-scientific CS470/CS471 Compact Bubbler System Manual de usuario Pagina 16