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Campbell Scientific CR10X Measurement and Control System User Manual

Page 347

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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

o

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