User manual EUTECH INSTRUMENTS ALPHA COND 200 REV 3

[. . . ] Instruction Manual Alpha COND 200 1/8 DIN Conductivity Controller Transmitter S / mS / ºC 68X276103 | Rev. 3 | Apr 2008 PREFACE This manual serves to explain the use of the Alpha COND 200 controller/transmitter. This manual functions in two ways: firstly as a step-by-step guide to help you operate the meter; secondly as a handy reference guide. This manual is written to cover as many anticipated applications of the Alpha COND 200 controller/transmitter as possible. If there are doubts in the use of the Alpha COND 200 controller/transmitter, do not hesitate to contact your nearest lpha Authorized Distributor. [. . . ] Press or keys to adjust hysteresis value. Press and keys together to return to P1. 0. Press and keys together again, to return to Conductivity measurement mode. 17 7. 4 Set Point 2 ­ P2. 0 Setup program P2. 0 allows you to set parameters for relay 2. P2. 1: select relay 2 set point value P2. 2: select relay 2 as low or high set point P2. 3: set relay 2 hysteresis value (dead band) P2 . 0 S2 P P . 1 2 S2 P 00 18 P . 2 2 P23 . S2 P H St Y LOW 100 HI H G Press and keys together (ESCAPE) at anytime, to leave Setup mode and return to Measurement mode. P2. 1: Select relay set point value Set the Conductivity value that will activate Relay 2. If measured value overshoots or undershoots Set Point value, Relay 2 will be activated and corresponding LED on front panel will light. Key in password "022" as per procedure in Section 5. Press key until screen displays P2. 0 and SP2. The screen will scroll P2. 1, SP2, then current set point value. Press or keys and adjust second relay set point. Default value is 90% of full scale of range selected. Press ENTER to confirm and continue to step three of P2. 2, or press and keys together to return to P2. 0. Press and keys together to return to Conductivity measurement mode. P2. 2: Set relay as high or low set point Select low set point to activate Relay when measured value undershoots Set point; select high set point to activate Relay when measured value overshoots Set point. Using both SP1 and SP2, you can select lo/lo, lo/hi, hi/lo or hi/hi set points. Key in password "022" as per procedure in Section 5. Press key until screen displays P2. 0 and SP2. The screen will scroll P2. 2, SP2, and LOW (or HIGH). Press the or keys to toggle between LOW and HIGH. Press ENTER to confirm and continue to step 3 of P2. 3, or press and keys together to return to P2. 0. Press and keys together to return to Conductivity measurement mode. 18 P2. 3: Set Hysteresis value Hysteresis prevents rapid contact switching if measured value is fluctuating near the set point. [. . . ] Instead, it continues to be active till the value reaches the amount set by the Hysteresis band. Appendix 2: Factory Defaults Resetting the controller to factory default settings (See program P7. 0) clears all calibration data and most other setup functions. The following settings will remain unchanged: 1. Temperature compensation mode (ATC or MTC) 3. Temperature offset calibration value, if in ATC mode. Conductivity Defaults Conductivity range Set point 1 Set point 2 Temperature Defaults Temp. [. . . ]