Table of Contents
ii
Maintenance ............................................................. 20
Every Two Years................................................................................ 21
Troubleshooting ...................................................... 21
Appendices
Importing Short Cut Code into CRBasic Editor ... A-1
Example Programs ................................................ B-1
Calibration Certificate ........................................... C-1
SDI-12 Sensor Support .......................................... D-1
SDI-12 Command Basics ................................................................ D-1
Acknowledge Active Command (a!)........................................ D-2
Send Identification Command (aI!) ......................................... D-2
Start Verification Command (aV!) ........................................... D-2
Address Query Command (?!) ................................................. D-3
Change Address Command (aAb!) .......................................... D-3
Start Measurement Commands (aM!
aM9!) ......................... D-3
Start Concurrent Measurement Commands (aC!
Start Measurement Commands with Cyclic Redundancy
Check (aMC! and aCC!) ....................................................... D-5
Stopping a Measurement Command ........................................ D-5
Send Data Command (aD0! … aD9!) ...................................... D-5
Extended Commands ............................................................... D-6
SDI-12 Transparent Mode ............................................................... D-6
Changing an SDI-12 Address................................................... D-7
Changing an SDI-12 Address – CR200(X) Series ................... D-7
RS-232 Connection Via Computer Terminal
Software ................................................................ E-1
Figures
5-1. CS451 nose cone options .....................................................................5
7-1. Transducer suspended with split mesh cable grip .............................. 10
7-3. Transducer mounted in PVC pipe using the Heyco cable grip ........... 11
7-4. Screws on the standard nose cone (top), NPT nose cone (middle),
and weighted nose cone (bottom) ................................................... 14
8-1. A200 Sensor-to-Computer Interface .................................................. 15