User Guide

Operating Instructions αlpha-RES1000

7.4.5 Maximum Pulse Length (tPL) or Maximum Frequency (FPF) ......................... 17

7.5 MEASUREMENT RANGE SUB-FUNCTION...........................................................17

7.5.1 Entering the Measuring Range sub-function ................................................... 17

7.5.2 Selecting Measuring Range sub-function........................................................ 17

7.5.3 Measurement Range available in the Controller ............................................. 18

7.5.4 Current Output (rng) sub-function.................................................................... 18

7.5.5 Choosing the output type................................................................................. 18

7.5.6 Selecting Resistivity value at 0(4)mA .............................................................. 18

7.5.7 Selecting Resistivity value at 20mA................................................................. 19

7.6 CONFIGURATION (CONF) SUB-FUNCTION ........................................................19

7.6.1 Entering Configuration sub-function ................................................................ 19

7.6.2 Selecting Filter Function and the Alarm or Wash Function ............................. 19

7.6.3 Selecting the alarm time lag (if the relay 3 is set to Alarm) ............................. 20

7.6.4 Selecting steady or pulse contact for the alarm relay (if the relay 3 is set to

Alarm) 20

7.6.5 Wash Contact (if the relay 3 is set to Wash) ................................................... 20

7.6.6 Input Line Resistance Adjust........................................................................... 21

7.6.7 Reverting to factory default settings ................................................................ 21

7.7 CALIBRATION (CAL) SUB-FUNCTION ...............................................................21

7.7.1 Entering Calibration mode from Advanced Set-up mode ................................ 21

8 AUTO/MANUAL MODE....................................................................................22

8.1 AUTO MODE (MODE AFTER SWITCH-ON)...........................................................22

8.2 MANUAL MODE .............................................................................................22

9 TECHNICAL SPECIFICATIONS.......................................................................23

10 GENERAL INFORMATION...........................................................................24

10.1 WARRANTY..................................................................................................24

10.2 PACKAGING .................................................................................................24

10.3 RETURN OF GOODS......................................................................................24

10.4 GUIDELINES FOR RETURNING UNIT FOR REPAIR ..............................................24

11 APPENDICES ...............................................................................................25

APPENDIX 1 – JUMPER POSITIONS .............................................................................25

APPENDIX 2 – CONDUCTIVITY / RESISTIVITY OF VARIOUS AQUEOUS SOLUTIONS AT 25

C26

APPENDIX 3 - SIMPLE EXPLANATION ON THE FUNCTION OF HYSTERESIS ........................26

APPENDIX 4 – PURE WATER CURVE...........................................................................27