Campbell-scientific CR10X Measurement and Control System Manual de usuario descargar pdf (Pagina 347)

LIST OF TABLES

LT-3

PAGE

13. CR10X MEASUREMENTS

13.3-1 Exponential Decay, Percent of Maximum Error vs. Time in Units of τ ................................ 13-4

13.3-2 Properties of Three Belden Lead Wires Used by Campbell Scientific ................................. 13-6

13.3-3 Settling Error, in Degrees, for 024A Wind Direction Sensor vs. Lead Length...................... 13-7

13.3-4 Measured Peak Excitation Transients for 1000 Foot Lengths of Three

Belden Lead Wires Used by Campbell Scientific ................................................................. 13-8

13.3-5 Summary of Input Settling Data for Campbell Scientific Resistive Sensors......................... 13-9

13.3-6 Maximum Lead Length vs. Error for Campbell Scientific Resistive Sensors ....................... 13-9

13.3-7 Source Resistances and Signal Levels for YSI #44032 Thermistor

Configurations Shown in Figure 13.3-7 (2V Excitation)...................................................... 13-10

13.4-1 Limits of Error for Thermocouple Wire (Reference Junction at 0

C) ................................. 13-13

13.4-2 Limits of Error on CR10X Thermocouple Output Linearization ......................................... 13-15

13.4-3 Ref. Temp. Compensation Range & Linearization Error Relative to NBS Standards ........ 13-15

13.4-4 Example of Errors in Thermocouple Temperature............................................................. 13-16

13.5-1 Comparison of Bridge Measurement Instructions .............................................................. 13-19

13.5-2 Calculating Resistance Values from Bridge Measurement ................................................ 13-20

14. INSTALLATION AND MAINTENANCE

14.2-1 Typical Current Drain for Common CR10X Peripherals....................................................... 14-1

14.3-1 Typical Alkaline Battery Service and Temperature............................................................... 14-3

14.3-2 PS12LA Battery and AC Transformer Specifications ........................................................... 14-4

APPENDIX B. CONTROL PORT SERIAL I/O INSTRUCTION 15

B-1 Input/Output Configurations....................................................................................................B-5

B-2 CR10X/Barometer Connection Details...................................................................................B-9

B-3 Number of Characters/Output and Memory Requirements for Various

Barometer Output Modes .....................................................................................................B-11

APPENDIX C. ADDITIONAL TELECOMMUNICATIONS INFORMATION

C.4-1 ∗D Command 1 and 2 Options...............................................................................................C-6

C.4-2 Example of Program Listing From ∗D Command 1 ...............................................................C-7

APPENDIX H. CALL ANOTHER DATALOGGER VIA PHONE OR RF

H.3-1 Option Code for Modem Type and Baud Rate .......................................................................H-1

1 2 ... 342 343 344 345 346 347 348 349 350 351 352 ... 361 362

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Campbell-scientific CR10X Measurement and Control System Manual de usuario Pagina 347