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Summary of Contents for Oakton CON 700
- Page 1 Instruction Manual CON 700 Conductivity/ºC/ºF Bench Meter Technology Made Easy ... Part of Thermo Fisher Scientific 68X541702 Rev. 1 Jan 2010 GlobalScientificSupply GLOBAL SCIENTIFIC SUPPLY info@GlobalScientificSupply.com www. .com The Laboratory Supply Company!
- Page 2 TABLE OF CONTENTS 1. INTRODUCTION .............. 1 2. GETTING STARTED............2 Keypad Functions ..............2 LCD Annunciators ..............3 Meter Connections ..............3 3. ELECTRODE INFORMATION ......... 4 4. CALIBRATION ..............4 Automatic or Manual Calibration ..........4 Single or Multi-Point Calibration ..........5 General Calibration Tips ............
- Page 3 6.12 CELL (Nominal Cell Constant) ..........11 6.13 P4.0 rSt (Reset) ..............12 6.14 P5.0 CLr (Clear Memory) ............12 7. CALCULATING TDS CONVERSION FACTOR ....13 8. CALCULATING TEMPERATURE COEFFICIENTS..14 9. REPLACEMENTS AND ACCESSORIES......15 10. TROUBLESHOOTING GUIDE......... 16 11.
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Page 4: Introduction
INTRODUCTION Thank you for purchasing our Con 700 series benchtop meter. This microprocessor-based meter is economical and simple to use. The design incorporates a large LCD for clear viewing, yet offers a small footprint to conserve space. The CON 700 measures conductivity or TDS, and temperature (ºC or ºF) simultaneously. -
Page 5: Getting Started
GETTING STARTED 2.1 Keypad Functions Powers the meter on and off. Upon power on, the meter automatically begins in the mode that was last used. Calibration and memory values are retained even if meter is unplugged. Toggle between available measurement modes— Conductivity with Temperature or TDS with Temperature. -
Page 6: Lcd Annunciators
2.2 LCD Annunciators 2.3 Meter Connections CON/ 8-pin DIN connection for 2-cell Con/TDS/Temp electrode Temp Power supply GlobalScientificSupply GLOBAL SCIENTIFIC SUPPLY info@GlobalScientificSupply.com www. .com The Laboratory Supply Company! -
Page 7: Electrode Information
CALIBRATION 4.1 Automatic or Manual Calibration The CON 700 is capable of automatic or manual calibration for conductivity, and manual calibration for TDS. In the automatic calibration mode, the meter will automatically select one of (4) conductivity calibration standard values depending o n the range and normalization temperature being used (TABLE 1). -
Page 8: Single Or Multi-Point Calibration
The factory default is automatic conductivity calibration. See Section 6.10 to change this setting. There is no automatic calibration value available for conductivity range 1. TABLE 1 Automatic Calibration Values Range Conductivity Normalization Temperature Range 25 ºC 20 ºC 0.00 – 20.00 μS None None 20.1 –... -
Page 9: General Calibration Tips
Rinse or immerse the probe before calibration and between samples with clean water (deionized water is ideal). The CON 700 has non-volatile memory which will retain all calibration values, as well as meter settings and memory values upon meter shut down or unexpected power loss. -
Page 10: Manual Conductivity & Tds Calibration Procedure
4.5 Manual Conductivity & TDS Calibration Procedure Press as needed to select conductivity (μS or mS) or TDS (ppm or ppt) calibration. Dip the electrode into the calibration standard and press Provide stirring for best results. The primary display will show the current reading, while the secondary display will be the factory default value. -
Page 11: Automatic And Manual Ranging
5.4 Storing and Recalling Data The CON 700 can retain up to 100 data points into memory for later retrieval. 1) In the measurement mode, press to insert the measured value into memory. -
Page 12: Setup Functions
2) To recall data from memory, press . The location of the most recent stored data is displayed first. Press to select the location of the desired data, then press to accept. 3) Press to return to the stored data location. Press to return to measurement mode. -
Page 13: P3.5 T.co (Temperature Coefficient)
Press to confirm. 6.5 P3. 2 ºC ºF elcius Or Fa hrenheit) Press Press to select ºC or ºF. Press confirm. 6.6 P3. 3 AtC (Automatic Tem perature Compensation) Press Press to select “Yes” or “No”. Press to confirm. 6.7 P3. 4 tdS (T al Dissolved Solids factor) ress... -
Page 14: P3.6 T.nr (Normalization Temperature In ºc)
Press to confirm. 6.12 P3. 9 CELL inal Cell Constant) The CON 700 inclu des a probe with a nominal cell constant (k) of 1.0. Use probes with k = 0.1 and 10 (sold separately) for improved GlobalScientificSupply GLOBAL SCIENTIFIC SUPPLY info@GlobalScientificSupply.com... -
Page 15: P4.0 Rst (Reset)
performa ce in extreme sample ranges. Use this setup function to change the cell constant if necessary. Meter defau lt is 1.0 to match the included probe. k = 0.1 ideal for low measurements <20 µS (<10 ppm). k = 1.0 ideal for mid-range measurements k = 10 ideal for high measurements >20 mS (>10 ppt). -
Page 16: Calculating Tds Conversion Factor
CALCULATING TDS CONVERSION FACTOR You can calibrate TDS using the value of the calibration standard solution at a standard temperature such as 25 ºC. To determine the conductivity- to-TDS conversion factor use the following formula: Factor = Actual TDS ÷ Actual Conductivity @ 25 ºC ... -
Page 17: Calculating Temperature Coefficients
CALCULATING TEMPERATURE COEFFICIENTS To determine the temperature coefficient of your sample solution use this formula: Where: tc = Temperature coefficient 25 = 25 ºC = Conductivity at Temp 1 = Conductivity at Temp 2 T1 = Temp 1 T2 = Temp 2 NOTE: A controlled temperature water bath is ideal for this procedure. -
Page 18: Replacements And Accessories
REPLACEMENTS AND ACCESSORIES Part number Ordering Code Item Description Eutech Instruments Oakton Instruments CON 700 Benchtop with electrode and ECCON70043S 35411-00 integral stand,100/240 VAC Replacement electrode, k = 1.0 CONSEN9501D 35608-74 Epoxy/platinum electrode, k = 0.1 35608-72 Glass/platinum electrode, k = 1.0 35608-76 Epoxy/platinum electrode, k = 10.0... -
Page 19: Troubleshooting Guide
TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION No display Main power not switched a) Switch on the power supply. on. AC Adapter socket not b) Re-insert AC Adapter. inserted properly. “Ur” (Under Measured value is out Check electrode is connected. range) of range. Clean or replace electrode. -
Page 20: Specifications
SPECIFICATIONS Conductivity 0 to 20.00, 200.0, 2000 µS Range 0 to 20.00, 200.0 mS 0 to 10.00, 100.0, 1000 ppm TDS Range (0.5 TDS factor) 0 to 10.00, 100.0 ppt (max 200.0 ppt @ 1.0 TDS factor) Resolution 0.05 % Full Scale Accuracy ±1% Full Scale Temperature... -
Page 21: Warranty
Eutech Instruments will not be responsible for damage resulting from careless or insufficient packing. A restocking charge will be made on all unauthorized returns. NOTE: Eutech Instruments Pte Ltd /Oakton Instruments reserve the right to make improvements in design, construction, and appearance of products without notice.
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