User manual EUTECH INSTRUMENTS CYBERSCAN CON 510 CONDUCTIVITY METER

[. . . ] Instruction Manual CON 510 Bench Conductivity/TDS Meter 68X090820 Rev 2 01/04 Technology Made Easy . . . Preface This manual serves to explain the use of the CON 510 bench meter. It functions in two ways, firstly as a step by step guide to help you to operate the meter. Secondly, it serves as a handy reference guide. It is written to cover as many anticipated applications of the meter as possible. [. . . ] Taking measurements with the Auto-Hold feature selected on When a reading has stabilized for more than 5 seconds, the Auto-Hold feature automatically "freezes" the displayed reading and the [HOLD] indicator appears. You may deactivate the Auto-Hold feature as described in SETUP sub-menu P3. 1. 11 Instruction Manual CON 510 5. 4 Using Manual Ranging Function ENTER RANGE Although the CON 510 bench meter has an automatic ranging capability, you may also manually select any specific measurement range you wish to work on by pressing RANGE each time for every range. Conductivity Range 0 ­ 20. 00 µS/cm 0 ­ 200. 0 µS/cm 0 ­ 2000 µS/cm 0 ­ 20. 00 mS/cm 0 ­ 200. 0 mS/cm TDS Range (if TDS factor is 0. 5) 0 ­ 10. 00 ppm 0 ­ 100. 0 ppm 0 ­ 1000 ppm 0 ­ 10. 00 ppt 0 ­ 100 ppt MEAS READY uS . ENTER RANGE o C ATC MEAS uS o 2. 3. To manually select the desired measuring range, press RANGE key while you are in the measurement mode. The first range will appear on the display and the [MEAS] indicator blinks. Press RANGE key again (if needed) until the desired range is selected. To re-select the Auto-ranging function, repeatedly press RANGE key until the [MEAS] indicator appears without blinking. The display will then scroll through the various ranges and the Auto-ranging function resumes. Or simply power off and on again will restart meter into Auto-ranging function as default. C ATC ENTER RANGE MEAS READY uS . o C ATC NOTES: If the value of the solution you are measuring is higher than the range selected, an error message code "Or" will appear on the upper display indicating an over-range condition. Press RANGE key until the correct range is selected. However the meter reverts back to the Auto-ranging function once it is powered off. 5. 5 HOLD Function HOLD This feature allows you to freeze the displayed reading momentarily when activated in the measurement mode and the [HOLD] indicator appears on the LCD. To release the held value, press HOLD again and the [HOLD] indicator disappears. You may continue to take measurements. MEAS READY HOLD uS . o C ATC 12 Instruction Manual CON 510 6 MEMORY AND DATA INPUT FUNCTIONS 6. 1 Memory Input MEAS READY The meter's non-volatile memory can store and recall up to 50 data sets which include Conductivity and temperature or TDS and temperature. Data sets are retained even if the power is shut off unless these stored data sets are being overwritten by new ones. During any measurement mode press MI/ key to input any data into the memory. MEM, "Sto" and memory location number will be displayed to indicate that the readings are being stored into meter's memory at that specific location number. The meter then returns to the measurement mode. To continue storing data sets, press MI/ to input subsequent data into memory. NOTE: If the memory is full, the first data set value stored will be overwritten to create space for the new value. Data sets are stored sequentially in the next unoccupied memory location and cannot be selectively input into specific memory location to be stored. uS . MEM o C ATC 6. 2 Memory Recall ENTER RANGE You can access memory recall from any measurement mode only. This function recalls and displays previous readings being stored in the meter's memory in "Last-In-First-Out" sequence. For example the most recent reading stored in location 20 will be displayed first when memory recall is activated. [. . . ] The result should be in TDS value. 27 Instruction Manual CON 510 15 ADDENDUM 3: CALCULATING TEMPERATURE COEFFICIENTS To determine the temperature coefficient of your sample solution use this formula: Where: tc = Temperature coefficient CT1 = Conductivity at Temp 1 T1 = Temp 1 25 = 25 °C CT2 = Conductivity at Temp 2 T2 = Temp 2 NOTE: A controlled temperature water bath is ideal for this procedure. Immerse the probe into a sample solution and adjust the temperature coefficient to 0% (that is, no compensation) by performing the following: A. From measurement mode, press the SETUP key to enter into [SETUP] mode. Use MI/ or MR/ key until the lower display shows "P5. 0". [. . . ]