- DL manuals
- Campbell
- Measuring Instruments
- CS526
- Instruction Manual
Campbell CS526 Instruction Manual
Summary of CS526
Page 1
Cs526 isfet ph probe revision: 6/13 c o p y r i g h t © 2 0 0 9 - 2 0 1 3 c a m p b e l l s c i e n t i f i c , i n c ..
Page 3: Warranty
Warranty the cs526 isfet ph probe is warranted for six (6) months subject to this limited warranty: “products manufactured by campbell scientific, inc. Are warranted by campbell scientific, inc. (“campbell”) to be free from defects in materials and workmanship under normal use and service for twelve...
Page 4: Assistance
Assistance products may not be returned without prior authorization. The following contact information is for us and international customers residing in countries served by campbell scientific, inc. Directly. Affiliate companies handle repairs for customers within their territories. Please visit www...
Page 5: Table of Contents
Table of contents pdf viewers: these page numbers refer to the printed version of this document. Use the pdf reader bookmarks tab for links to specific sections. 1. Introduction.................................................................1 2. Cautionary statements...................................
Page 6
Table of contents ii 11.1.2 cleaning procedure .................................................................... 10 11.1.2.1 cleaning tips................................................................... 10 11.1.3 revitalizing .......................................................................
Page 7: Cs526 Isfet Ph Probe
Cs526 isfet ph probe 1. Introduction the cs526 isfet ph probe measures ph from 1 to 14 in aqueous or semi- solid solutions. It outputs ttl serial data that is read by compatible dataloggers (see section 6, specifications). Before using the cs526, please study • section 2, cautionary statements • sec...
Page 8: 3. Initial Inspection
Cs526 isfet ph probe 3. Initial inspection upon receipt of the cs526, inspect the packaging and contents for damage. File damage claims with the shipping company. The model number and cable length are printed on a label at the connection end of the cable. Check this information against the shipping ...
Page 9: 5. Overview
Cs526 isfet ph probe 'split out digital count value for ph from string input splitstr (phdigit(),rawstring,"string",2,0) phcount = phdigit(2) nextscan endprog 5. Overview the submersible cs526 is designed to reliably provide accurate ph measurements over the specified operating temperature range. Th...
Page 10
Cs526 isfet ph probe operating temperature: 10° to 40°c water pressure: 0 to 700 kpa (0 to 101.5 psi) power requirement source: 5 vdc load: 15 ma maximum output: ttl logic, 2400 bps 8 data bits, no parity, 1 stop bit maximum cable length: 100 m (328 ft) cable type: three-twisted pair, 24-awg cable w...
Page 11: 8. Programming
Cs526 isfet ph probe this probe must be connected to the datalogger’s 5v terminal (not 12v). Connecting to a higher voltage will damage the probe beyond repair. Caution 8. Programming 8.1 get data command the datalogger needs to send a “get data” serial command to the cs526 to get the ph data. This ...
Page 12
Cs526 isfet ph probe probe output is “counts”. A corrected multiplier and offset are required to provide an output in ph units (see appendix a, calibration). Note 8.2.2 instruction descriptions 8.2.2.1 serialopen() instruction the serialopen() instruction has the following syntax: serialopen(comport...
Page 13
Cs526 isfet ph probe 8.2.2.4 splitstr() instruction the splitstr() instruction has the following syntax: splitstr(splitresult,searchstring,filterstring,numsplit,splitoption) splitresult — an array in which the split string will be stored. Searchstring — the string on which this instruction will oper...
Page 14: 9. Calibration
Cs526 isfet ph probe 9. Calibration calibration should be carried out according to the detailed procedure outlined in appendix a, calibration. The calibration should utilize two or more ph standards, listed in table 9-1, which are available from campbell scientific. Table 9-1. Calibration standards ...
Page 15: 11. Maintenance
Cs526 isfet ph probe problem: probe signal is drifting. Possible reasons: o diaphragm can be dried out. O chip is scratched. Suggestions: o soak probe for 10 minutes in saturated kcl solution (pn 16349). O probe cannot be fixed if chip is scratched. 11. Maintenance the cs526 needs to be periodically...
Page 16
Cs526 isfet ph probe 11.1.2 cleaning procedure 1.1.2 cleaning procedure read section 11.1.2.1, cleaning tips, before following this procedure. Read section 11.1.2.1, cleaning tips, before following this procedure. 1. Place probe in warm tap water (~60°) with a mild detergent and soak for 5 minutes, ...
Page 17
Cs526 isfet ph probe • proteins, fats, and oils may be removed by scrubbing in a solution of terg- a-zyme (alconox company), a pepsin solution, or a similar product. Afterwards, rinse thoroughly with deionized or distilled water. • do not use hydrofluoric acid, acetone, mek, or similar agents to cle...
Page 18
Cs526 isfet ph probe 12.
Page 19: Appendix A. Calibration
Appendix a. Calibration this calibration process uses 7-ph and 4-ph buffer solutions. Protect the sensing chip from uv radiation during calibration. If calibrating in sun or fluorescent light, shield the sensing chip from uv radiation by using dark containers for the buffer solutions. Note load the ...
Page 20
Appendix a. Calibration a-2 a.1 example calibration program following is a simple example program to facilitate the two-point calibration. Although this is a cr1000 program, the other dataloggers are programmed similarly. 'cr1000 series datalogger 'define variables public ph, phcount public ptemp, b...
Page 22
Campbell scientific companies campbell scientific, inc. (csi) 815 west 1800 north logan, utah 84321 united states www.Campbellsci.Com • info@campbellsci.Com campbell scientific africa pty. Ltd. (csaf) po box 2450 somerset west 7129 south africa www.Csafrica.Co.Za • cleroux@csafrica.Co.Za campbell sc...