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Section 3 

Total Dissolved Solids (TDS) 

TDS Measurement 

Please refer to page 9 before proceeding 

Connect Cell 

Select TDS mode by pressing the mode key until tbe correct 

units are displayed 

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Place cell in the sample. (The correct range will be selected 

automatically). 

Wait for a stable reading and record result noting units. 

Section 4 

Resistivity 

Resistivity Measurement 

Please refer to page 9 before proceeding 

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Connect Cell 

Select TDS mode by pressing the mode key until the correct 

units are displayed 

Place cell in the sample. (The correct range will be selected 

automatically). 

Wait for a stable reading and record result noting units. 

11 

Section 5 

Salinity 

Salinity Measurement 

Please refer to page 9 before proceeding 

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Connect Cell 

Select Salinity mode by pressing the mode key until the 

correct units are displayed 

Place cell in the sample. (The correct range will be selected 

automatically). 

Wait for a stable reading and record result noting units. 

If the sample is out ofrange then the display will show 

for a low reading and 

for a high reading.

Section 6 

Temperature 

Temperature Measurement 

Please refer to page 9 before proceeding 

Connect Cell and place in solution 

Select Temperature by pressing the Mode key until the cor­

rect units are displayed then record the value 

© 

To change from Centigrade to Fahrenheit, press Enter. 

Return to the function you require by pressing the Mode 

key. 

12 

Summary of Contents for RE388TX

Page 1: ...2 Salinity Section 6 12 Temperature Section 7 13 Concentration Section 8 14 The Recorder Output Section 9 15 Use with Printer or Computer Section 10 17 Platinizing Section 11 18 Troubleshooting Sectio...

Page 2: ...have any ques tions about the shipment please call EDT Direct ION or your agent When you receive the shipment inspect the container for any signs ofdamage Note any evidence ofrough handling in transi...

Page 3: ...cover J Battery Snap Figure 1 Bottom view ofinstrument showingpower connections 3 Instrument Test Procedure Refer to Figure 2 Switch the instrument on using the black switch on the back panel The mete...

Page 4: ...vity l0MQ cm 0 MQ m Changing the multiple 0 Press the K key to display the multiple e Set the preferred units by pressing the K key to select either m orcm e Exit with the correct units set by pressin...

Page 5: ...ESS THE Enter KEY WHEN SETTING THE CELL CONSTANT 7 Setting the Temperature Coefficient The conductivity ofelectrolytes changes with temperature The rate ofthis change is termed the temperature coeffic...

Page 6: ...on 2 Conductivity Please refer topage 9 beforeproceeding The following can only be carried out ifthe instrument has not been calibrated in Concentration Mode Most conductivity cells are linear over a...

Page 7: ...ding and record result noting units 11 Section 5 Salinity Salinity Measurement Please refer topage 9 beforeproceeding 0 0 0 Connect Cell Select Salinity mode by pressing the mode key until the correct...

Page 8: ...repeated for each standard Return to the function you require by pressing the Mode key To Back off the background conductivity Follow points Oto 0 0 Place cell in background sample and enter 0 00 Pla...

Page 9: ...r parameters for the same sam ple press the Mode key and then the Send key To print a new identifier press and hold down the Send key DATE OPERATOR SAMPLE COND lOOO S cm T 21 7 C 15 Computer Connect a...

Page 10: ...Ifnot clean and repeat the process Wash with deionised water 0 Soak in deionised water for 48 hours before use Re check the cell constant before reusing 17 Section 11 Troubleshooting Symptom Probable...

Page 11: ...adiustable 0 5 C 200mV 2 x 4mm sockets 9V Battery or power adaptor 210 x 150 x 88mm 550g 19 Section 13 Conductivity Cells Available from EDT Direct ION All cell listed have ATC Standard cable length i...

Page 12: ...high conductivity e g Strong acid strong alkali strong salt solutions sea water Cell Conversion Table c s Units SI Units K I 0lcm K IO0 0lm K 0 llcm K I0lm K I0 0lcm K I000lm 21 Appendix 2 Calibration...

Page 13: ...3 33 3 201 22 2 606 260 6 34 3 256 23 2 659 265 9 35 3 312 24 2 712 271 36 3 368 21 l 1 8mS cm 25 C 0 02M KC C mS cm mS m C mS cm 5 74 14 7 41 25 111 80 10 83 19 8 32 26 113 77 15 92 52 9 25 27 115 74...

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