Campbell-scientific 247-L Conductivity and Temperature Manual de usuario

INSTRUCTION MANUAL247 Conductivity andTemperature ProbesRevision: 3/96Copyright (c) 1994-1996Campbell Scientific, Inc.

247 CONDUCTIVITY AND TEMPERATURE PROBES66.4 FIELD CALIBRATIONThe cell constant is a dimensional numberexpressed in units of cm-1. The unit cm-1 issl

247 CONDUCTIVITY AND TEMPERATURE PROBES77. MAINTENANCERoutine maintenance includes thoroughlycleaning the orifice of the 247 probe with theblack nylo

247 CONDUCTIVITY AND TEMPERATURE PROBES88.2 TEMPERATURE MEASUREMENT ERRORThe overall probe accuracy is a combination of thethermistor's intercha

247 CONDUCTIVITY AND TEMPERATURE PROBES99. DERIVING A TEMPERATURECOMPENSATION COEFFICIENT1. Place the 247 in a sample of the solution tobe measured.

247 CONDUCTIVITY AND TEMPERATURE PROBES1011. ELECTRICALLY NOISYENVIRONMENTSAC power lines can be the source of electricalnoise. If the datalogger is

247 CONDUCTIVITY AND TEMPERATURE PROBES1113. 247 SCHEMATICFIGURE 11-1. 247 Conductivity and Temperature Circuit Diagram

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Campbell Scientific CompaniesCampbell Scientific, Inc. (CSI)815 West 1800 NorthLogan, Utah 84321UNITED [email protected]

Warranty and AssistanceThe 247-L CONDUCTIVITY & TEMPERATURE PROBE is warranted byCAMPBELL SCIENTIFIC, INC. to be free from defects in materials an

i247 Table of ContentsPDF viewers note: These page numbers refer to the printed version of this document. Usethe Adobe Acrobat® bookmarks tab for li

10. Instruction 11 Details...911. Electrically Noisy Environments...1012. Lon

1247 CONDUCTIVITY AND TEMPERATURE PROBES1. OVERVIEW247 Probes (247-L and 247W-L) are designed formeasuring the electrical conductivity, dissolvedsoli

247 CONDUCTIVITY AND TEMPERATURE PROBES22.2 EC SENSORElectrodes: Passivated 316 SS with DCisolation capacitors.Cell constant: Individually calibrat

247 CONDUCTIVITY AND TEMPERATURE PROBES3FIGURE 4-1. 247 Wiring Diagram5.2 MEASUREMENT PROGRAMMING.EC Results from Instructions 5 or 6 (chosenautom

247 CONDUCTIVITY AND TEMPERATURE PROBES411: P6 Full Bridge01: 1 Rep02: 14 250 mV fast Range(Use 500 mV fast for 21X)03: 1 IN Chan04: 1 Excite all reps

247 CONDUCTIVITY AND TEMPERATURE PROBES525: P34 Z=X+F01: 3 X Loc Ct02: -.00378 F03: 3 Z Loc [:Ct ]26: P94 Else27: P55 Polynomial01: 1 Rep02: 3 X