Campbell Scientific CS470/CS471 Compact Bubbler System - Manual (Page 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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