EUTECH INSTRUMENTS
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lpha-pH800
pH and ORP Controller/Transmitter
Operating Instructions
68X21681303/99
Page 1: ...EUTECH INSTRUMENTS lpha pH800 pH and ORP Controller Transmitter Operating Instructions 68X216813 03 99...
Page 2: ...in the use of the instrument please do not hesitate to contact the nearest Eutech Instruments Authorised Distributor The information presented in this manual is subject to change without notice as imp...
Page 3: ...6 CALIBRATION 11 6 1 pH Calibration 11 6 2 ORP mV Calibration 13 7 ADVANCED SET UP MODE 14 7 1 Electrode Offset OFS sub function 14 7 2 Setting temperature Set o C sub function 15 7 3 Control Relay A...
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Page 5: ...Automatic temperature compensation ATC Manual temperature compensation setting without the ATC probe with independent setting for calibration and process temperature 0 to 2000 second time delay adjus...
Page 6: ...se this controller in panel mounted enclosures for applications such as water treatment and monitoring galvanic decontamination chemical processing food processing clean or waste water control and neu...
Page 7: ...h or without a potential matching pin PMP a final control element such as pump or valve a recorder 2 2 Unit Dimensions The field tested control panel housing is 96 x 96 mm with protection class IP 54...
Page 8: ...utput Hold Input Relay B Relay A Power Mains pH mA PE S PE AC N L 1 2 5 4 3 6 7 8 9 10 11 12 13 14 15 17 15 16 indicated contact positions are for currentless conditions Pt 100 Potential Matching Pin...
Page 9: ...rical connections Measuring Cable pH Combination Electrode Temp pH BNC 0 PA PE N L S 22 21 1 2 3 20 19 18 Potential Matching Pin PM S Measuring Cable pH Combination Electrode Temp pH BNC 0 PA PE N L S...
Page 10: ...14 Hold function switch terminal 2 6 Low set relay working position NO 15 No connection 7 High set relay resting position NC 16 4 20 mA for ve connection 8 High set relay common 17 4 20 mA for ve con...
Page 11: ...7 0V Pt100 RELAY A L N PE 100mA F FUSE 250VAC HOLD RELAY B Pt1000 PAL S NC NC NC NC...
Page 12: ...tures two numerical displays that show status messages and measured values for easy quick reference The display provides short text information for setting parameters and configuration MEAS Measuremen...
Page 13: ...nt OFS 2 Temperature Measurement compensation settings Set o C 3 Control relay 1 configuration SP1 4 Control relay 2 configuration SP2 5 Configuration ConF 6 Calibration CAL pH 4 2 Control Concept The...
Page 14: ...t side of the display indicate whether the controller is set for pH or mV measurement Similarly annunciators or icons at the top or left side of the display shows the current status of controller e g...
Page 15: ...the previous calibration Electrode slope and offset information is displayed NOTE If the display reads CAL OrP see section 7 4 for procedures on how to switch from ORP to pH readings 2 Press the ENTER...
Page 16: ...fer value the controller automatically displays electrode slope and offset The zero point and slope are re determined after each calibration 7 Press the ENTER key If the calibration mode was accessed...
Page 17: ...to switch from pH to ORP mV readings 2 Place sensor in the ORP solution 3 Press the ENTER key to begin calibration The CAL indicator appears on the display The upper display shows the current mV outp...
Page 18: ...librated pH tester hand held meter or bench meter Record the correct pH value 3 Enter Advanced set up mode Press ENTER 4 Press the or keys to scroll until the upper display shows OFS 5 Press the ENTER...
Page 19: ...ures press ENTER again or return to Measurement mode by pressing the and keys escape simultaneously 7 2 2 Temperature calibration ATC mode only 1 Select ATC on as described above in Section 7 2 1 2 Pr...
Page 20: ...ently This allows calibration at a temperature other than the process temperature Example setting a calibration temperature of 25 o C allows calibration using standard buffer solutions at 25 o C even...
Page 21: ...djust the calibration temperature value between 9 9 and 125 o C 6 Press the ENTER key to confirm 7 Continue with additional Advanced Set up procedures or return to Measurement mode by pressing the and...
Page 22: ...directions in 7 3 1 to enter Control Relay mode If you are in this mode skip to step 2 2 Press the ENTER key The upper display shows the current set point value and the lower display shows SP1 SP2 3...
Page 23: ...to 1 0 pH 10 to 100mV Example You have set your high set point at pH 9 0 and your hysteresis limit value at pH 0 5 If your measured value overshoots the high set point pH 9 0 the controller s relay a...
Page 24: ...ws On d 3 Press the and keys to enter on delay time for Set point 1 Set point 2 The controller will delay activation for the number of seconds 0 to 2000 you select 4 Press the ENTER key to confirm you...
Page 25: ...point 2 The controller will delay activation for the number of seconds 0 to 2000 you select 4 Press the ENTER key to confirm your selection 5 Continue with Advanced Set up mode procedures or return t...
Page 26: ...of the type of input symmetrical or asymmetrical Symmetrical mode is used in conjunction with a potential matching pin in an electrically noisy environment Please refer to section 3 page 6 for a graph...
Page 27: ...ite all user settings and automatically return to Measurement mode 4 Press the ENTER key to confirm your selection and return to Advanced Set up mode or return to Measurement mode by pressing the and...
Page 28: ...e change over contacts Switching voltage max 250 VAC Switching current max 3A Switching power max 600 VA Electrical Data and Connections Power Requirements 110 220 VAC jumper selectable Frequency 48 t...
Page 29: ...ve integral 5 meter measuring cable Please ask your authorised distributor or dealer for the prices extension cables tee joints electrode assembly and buffer solutions 10 GENERAL INFORMATION 10 1 Warr...
Page 30: ...nstruments will not be responsible for any damage resulting from careless or insufficient packing Warning Shipping damage as a result of inadequate packaging is the user distributor s responsibility w...
Page 31: ...VAC JP 2 Selects the input voltage 110 VAC JP 3 Solder bridge selects between Pt100 and Pt1000 Fuse Note that there is a fuse slow blow 100mA internal to the controller Before opening the unit ENSURE...
Page 32: ...1 67 4 01 6 95 7 09 9 38 10 25 10 1 67 4 00 6 92 7 06 9 32 10 18 15 1 67 4 00 6 90 7 04 9 27 10 12 20 1 68 4 00 6 88 7 02 9 22 10 06 25 1 68 4 01 6 86 7 00 9 18 10 01 30 1 69 4 01 6 85 6 99 9 14 9 97...
Page 33: ...ed In the reverse direction it does not de activate when the value reaches the set point Instead it continues to be active till the value reaches the amount set by the Hysteresis band 4 0 4 5 9 5 10 0...
Page 34: ...CALIBRATION RECORD Calibration Date Electrode Slope Electrode Offset...
