User manual EUTECH INSTRUMENTS ALPHA PH 550

[. . . ] Alpha pH 550 Monitor pH / ORP ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientific Inc. patent 6, 793, 787. AQUAfast, Cahn, ionplus, KNIpHE, No Cal, ORION, perpHect, PerpHecT, PerpHecTion, pHISA, pHuture, Pure Water, Sage, Sensing the Future, SensorLink, ROSS, ROSS Ultra, Sure-Flow, Titrator PLUS and TURBO2 are registered trademarks of Thermo Fisher. 1-888-pHAX-ION, A+, All in One, Aplus, AQUAsnap, AssuredAccuracy, AUTOBAR, AUTO-CAL, AUTO DISPENSER, Auto-ID, AUTO-LOG, AUTO-READ, AUTOSTIR, Auto-Test, BOD AutoEZ, Cable-Free, CERTI-CAL, CISA, DataCOLLECT, DataPLUS, digital LogR, DirectCal, DuraProbe, Environmental Product Authority, Extra Easy/Extra Value, FAST QC, GAP, GLPcal, GLPcheck, GLPdoc, ISEasy, KAP, LabConnect, LogR, Low Maintenance Triode, Minimum Stir Requirement, MSR, NISS, One-Touch, One-Touch Calibration, One-Touch Measurement, Optimum Results, Orion Star, Pentrode, pHuture MMS, pHuture Pentrode, pHuture Quatrode, pHuture Triode, Quatrode, QuiKcheK, rf link, ROSS Resolution, SAOB, SMART AVERAGING, Smart CheK, SMART STABILITY, Stacked, Star Navigator 21, Stat Face, The Enhanced Lab, ThermaSense, Triode, TRIUMpH, Unbreakable pH, Universal Access are trademarks of Thermo Fisher. Guaranteed Success and The Technical Edge are service marks of Thermo Fisher. PerpHecT meters are protected by U. S. patents 5, 198, 093, D334, 208 and D346, 753. ionplus electrodes and Optimum Results solutions are protected by U. S. and its subsidiaries. The specifications, descriptions, drawings, ordering information and part numbers within this document are subject to change without notice. This publication supersedes all previous publications on this subject. Preface This manual serves to explain the use of the Alpha pH 550 Monitor. [. . . ] The new slope (in mV) is shown in the upper display and pH reading at 0mV (pH7. 00 ± offset) is shown in the lower display. The pH Monitor reverts to pH measurement mode. NOTE: Refer notes at the end of this section for additional information and possible error indicators of calibration process 2-Point Calibration: 1 CAL 2 CAL CAL pH 3 CAL pH 4 mV 5 MEAS ENT READY ENT READY ENT ENT READY PH pH pH CAL pH °C ATC 3 CAL READY pH ENT pH CAL 3 CAL READY pH ENT pH CAL 3 CAL READY pH ENT pH CAL 1 2 From pH measurement mode press CAL key to enter calibration mode as described in section 4. 2. Immerse the temperature probe in the buffer solution if ATC mode is enabled. Immerse the potential matching pin in the buffer if symmetrical mode is enabled. LCD shows `READY' annunciator when the reading is stable. - 18 - 3 4 5 NOTES: Press ENT key to confirm the reading. Use and keys to select your second buffer from one of the preset values: pH 4. 01 or 1. 68 or 10. 01 or 12. 45. Remove the electrode from the first buffer, rinse and then immerse it into the second buffer. The pH Monitor re-calculates electrode properties based on the calibration. The new slope (in mV) is shown in the upper display and pH reading at 0mV (pH7. 00 ± offset) is shown in the lower display. The pH Monitor reverts to pH measurement mode. · · To exit from pH calibration mode without confirming calibration, press and keys together. When confirming the buffer measurement, if measured pH value is not within ±1. 00pH from selected buffer value, the electrode annunciator blinks and ERR indicator appears in the display. This error can also occur if non-standard buffers are used or the electrode has worn out. If this happens, press both and keys together to restart the calibration beginning from Step1. · When calibrating with manual temperature compensation, the meter automatically changes from the preset `process temperature' to the `calibration temperature'. After leaving the calibration mode, the pH Monitor reverts back to `process temperature'. 4. 3. 2 For NIST Buffer Make sure that the pH Monitor is set to accept NIST standard buffer in the Setup mode. (Refer Section 5. 4 for Buffer Selection Settings) The factory default is USA standard. It is recommended that you perform 2-point calibration at room temperature (25 oC), starting with the first buffer at pH 6. 86 followed by any other buffer value. (pH 4. 01, 1. 68, 9. 18 or 12. 45) - 19 - 1-Point Calibration: 1 CAL CAL 2 CAL pH 3 mV 4 MEAS ENT HOLD READY HOLD CAL HOLD ENT READY PH pH pH °C ATC 1 2 From pH measurement mode press CAL key to enter calibration mode as described in section 4. 2. Immerse the temperature probe in the buffer solution if ATC mode is enabled. Immerse the potential matching pin in the buffer if symmetrical mode is enabled. The pH Monitor re-calculates electrode properties based on the calibration. The new slope (in mV) is shown in the upper display and pH reading at 0mV (pH7. 00 ± offset) is shown in the lower display. The pH Monitor reverts to pH measurement mode. 3 4 2-Point Calibration: 1 CAL 2 CAL CAL pH 3 CAL pH 4 mV 5 MEAS ENT READY ENT READY ENT ENT READY PH pH pH CAL pH °C ATC 3 CAL READY pH ENT pH CAL 3 CAL READY pH ENT pH CAL 3 CAL READY pH ENT pH CAL - 20 - 1 2 From pH measurement mode press CAL key to enter calibration mode as described in section 4. 2. [. . . ] For pH measurement mode, the slope (in mV) is shown in the upper display and pH reading at 0mV (pH7. 00 ± offset) is shown in the lower display. For ORP measurement mode, the offset value (in mV) of the electrode is shown in the upper display. The pH Monitor reverts to CdAt screen. 2 Press or key to access other setup screens or press and key simultaneously (escape) to return to measurement mode. - 31 - 6 (a) pH TECHNICAL SPECIFICATIONS General Specification Measuring Range Resolution Accuracy (b) mV Measuring Range Resolution Accuracy (c) Temperature Measuring range Resolution -1000 to 1000 mV 1 mV ± 1 mV -10. 0 to +125. 0 oC or +14. 0 to +257 oF 0. 1 oC 0. 1 oF (Resolution is 0. 1 oF up to 199. 9 oF and 1 oF for 200 oF and above) ±0. 5 oC ±1. 0 oF 2 wire / 3 wire - Pt100 or Pt1000 (Jumper Selectable) Automatic or Manual 0. 00 to 14. 00 pH 0. 01 pH ± 0. 01 pH Relative accuracy Sensor Compensation Calibration (a) pH Number of calibration points Number of calibration buffers (b) Temperature Offset Adjustment Input /Output Input Output Display LCD Electrical Data and Connections pH/mV Input Connection terminal Other Power Input Dimensions (W x H x D) Weight (Estimated) Ambient Temp. operating range Maximum Relative Humidity 1 or 2 points USA: 1. 68, 4. 01, 7. 00, 10. 01, 12. 45 NIST: 1. 68, 4. 01, 6. 86, 9. 18 , 12. 45 ± 10 °C/ ± 18 °F Asymmetrical / Symmetrical None 7 segments display with symbols for status information Screw Terminal (3. 5mm pitch) 8-pin & 2-pin terminal blocks Universal +9 V DC Adaptor and 24V DC Supply 96mm x 96mm x 66 mm 210g 0 to 40 oC 80% up to 31 oC decreasing linearly to 50% at 40oC - 32 - 7 7. 1 LIST OF ACCESSORIES Thermo Scientific Order Codes pH Monitor Replacement and Accessories Item Description Alpha pH 550 Monitor Combination pH electrode with 5m cable Combination pH electrode with PMP and 5m cable Combination pH electrode with PT 100, PMP and 5m cable Combination pH electrode, submersible, with 5m cable Combination Gold ORP electrode with PMP and 5m cable Combination Platinum ORP electrode with PMP and 5m cable Calibration Solutions Item Description pH 4. 01 buffer solution, 480 ml bottle pH 7. 00 buffer solution, 480 ml bottle pH 10. 01 buffer solution, 480 ml bottle pH 4. 01 buffer sachets, 20 ml x 20 pcs. 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