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EUTECH INSTRUMENTS Alpha pH 550, Руководство пользователя

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EUTECH INSTRUMENTS Alpha pH 550 Скачать руководство пользователя страница 8

 

- 4 - 

2.2 Measurement 

System 

A typical measurement system consists of:  

•

 

A pH process monitor 

•

 

A pH sensor with integrated or separate Pt100/Pt1000 temperature 
sensor 

•

 

An appropriate measurement cable 

•

 

An immersion, flow or process assembly 

 

Power Adaptor
(+9 V DC)

Measurement Cable

Housing and 
Sensors

Alpha pH 550 Monitor

ENT

ESC

pH Monitor

lpha pH550

CAL

 

 

 

Содержание Alpha pH 550

Страница 1: ...Alpha pH 550 Monitor pH ORP ...

Страница 2: ...nk 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 patent 6 168 707 PerpHecT ROSS electrodes are protected by U S patent 6 168...

Страница 3: ...pplications of the Alpha pH 550 Monitor If you have doubts in the use of the instrument please do not hesitate to contact your nearest Alpha Authorised Distributor The information presented in this manual is subject to change without notice as improvements are made and does not represent a commitment on part of Thermo Scientific Thermo Scientific cannot accept any responsibility for damage or malf...

Страница 4: ... pH Calibration 17 4 4 ORP Calibration 21 4 5 Temperature Calibration 22 5 SETUP MODE 23 5 1 Enter Setup mode 23 5 2 Electrode Offset Settings 24 5 3 Temperature Settings 25 5 4 Buffer Selection Settings 27 5 5 Configuration Settings 28 5 6 Viewing Electrode Properties 30 6 TECHNICAL SPECIFICATIONS 32 7 LIST OF ACCESSORIES 33 7 1 Thermo Scientific Order Codes 33 7 2 Eutech Instruments Order Code 3...

Страница 5: ...ficiently answered in this instruction manual please contact your authorized supplier They will be glad to assist you 1 2 Intended Use Alpha pH 550 Monitors are intended solely for pH or ORP and temperature measurement as described in this instruction manual Any other use or use not mentioned here that is incompatible with the technical specifications is deemed inappropriate The operator is solely...

Страница 6: ... the Alpha pH 550 are allowed The manufacturer supplier accepts no responsibility for damage caused by unauthorized modifications The risk is borne entirely by the user 1 4 Taking Out of Service Correct Disposal of the Unit Taking out of Service First disconnect the unit from the power supply and then undo all electrical connections Remove the unit from the wall Correct Disposal of the Instrument ...

Страница 7: ...tion processes The pH Monitor has many user friendly and safety features which include Push button keypad for calibration and setup Built in non volatile memory to ensure that calibration and other information are not erased if power supply fails Menu driven program that simplifies setup 1 or 2 point calibration with selectable USA or NIST standard pH buffer set Automatic temperature compensation ...

Страница 8: ... process monitor A pH sensor with integrated or separate Pt100 Pt1000 temperature sensor An appropriate measurement cable An immersion flow or process assembly Power Adaptor 9 V DC Measurement Cable Housing and Sensors Alpha pH 550 Monitor ENT ESC pH Monitor lpha pH550 CAL ...

Страница 9: ...shown in the Figure 1 below Connectors J11 24V DC power J8 9V DC power J10 pH electrode Temperature probe connections wiring has to be done in the detachable connector Figure 1 Outer Side of Back PCBA 24V DC J1 J10 J8 9V DC Power Screw 1 v e J11 Connections 1 ve 2 Gnd J10 Connections 1 pH Sense 2 pH Reference 3 No Connection 4 No Connection 5 Pt 100 Compensate 6 Pt 100 Sense 7 Pt 100 GND 8 Potenti...

Страница 10: ...g J7 as described below Remove Back Cover Remove screws from the four corners at the back of the pH Controller Remove the back cover Remove Back PCBA Remove the screw located center of the back PCBA Figure 1 Detach the back PCBA from the Controller Turn over the back PCBA Locate J7 jumper on the inner side of the back PCBA as shown in Figure 2 below Figure 2 Inner Side of Back PCBA Set Jumper J7 S...

Страница 11: ...P electrode without removing the BNC connector 2 Strip the insulation of the cable so that the bare wires are exposed enough for connection as shown in Figure 3 Figure 3 pH ORP Electrode Cable NOTE Make sure to strip inner black layer screen to expose the clear sheath 3 Connect pH sensing wire to Pin 1 of J10 connector 4 Connect pH reference wire to Pin 2 of J10 connector Insulation pH Reference W...

Страница 12: ...7 of J10 connector 2 Wire Probe 1 Short Pin 5 6 of J10 connector using a small piece of wire 2 Connect PT100 sense wire to Pin 6 of J10 connector 3 Connect PT100 GND wire to Pin 7 of J10 connector 2 3 5 Connect Potential Matching Pin PMP If using an electrode with a PMP connect the additional wire PMP from the pH electrode to Pin 8 of J10 connector This liquid electrical reference wire is only use...

Страница 13: ...llation 2 4 1 Mechanical Dimensions 2 4 2 Wall Mount ENT ESC PH ORP RF Transmitter Alpha pH 600 CAL 1 1 Pierce through holes at both sides 2 Cover the catch slots at both sides with overlays Alpha pH 550 pH Monitor ...

Страница 14: ...Prepare panel cut out of 92 0 mm X 92 0 mm Remove back cover of pH Monitor and slide it through panel cut out Attach catch to both sides of pH Meter Insert threaded rods through catch until pH Meter is held against panel 2 3 4 1 1 Panel ...

Страница 15: ...lue is displayed when the Monitor is in normal operation measurement mode In pH Calibration mode standard pH buffer values are displayed here while measured mV values are displayed in the ORP Calibration mode The two displays indicate function names options settings in Setup mode Refer Appendix 2 Abbreviations Used in LCD for more details The LCD also consists of various mode indicators status ann...

Страница 16: ...s if the temperature probe is faulty in its ATC mode Refer Section 5 3 ERR Appears when an error occurs Eg wrong key pressed Electrode annunciator Appears when viewing electrode properties or during calibration error Buffer annunciator Appears in calibration mode Units of Measurement Indicators mV Millivolt Appears in ORP measurement calibration modes Refer Section 3 1 4 4 R mV Relative Millivolt ...

Страница 17: ...up mode Confirm save setup parameters and numerical values Start Confirm calibration in Calibration mode Select a group of settings in Setup mode Select parameters and increment decrement numerical values in Setup and Calibration modes When pressed continuously speed of value increment decrement increases Returns to Measurement mode when both keys are pressed simultaneously Alpha pH 550 pH Monitor...

Страница 18: ...umerical display shows the measured pH or mV value while the lower display shows the temperature value The indicator pH or mV at the upper right side of the display indicates the current measurement mode Refer Section 5 5 for switching measurement modes NOTE To guarantee accurate readings the measuring system the pH Transmitter and the sensor must be calibrated regularly From measurement mode you ...

Страница 19: ... 15 3 2 Menu Overview 3 2 1 Alpha pH 550 MEAS pH C ATC READY ENT SETUP SETUP ENT SETUP SETUP SETUP ENT ENT ENT ENT CAL CAL ENT ENT ENT ENT ENT ENT ENT ...

Страница 20: ... electrode in de ionized water after use and store in electrode storage solution If storage solution is not available use pH 4 01 or 7 00 buffer solution Do not reuse buffer solutions after calibration Contaminants in the solution can affect the calibration and the accuracy of the measurements The pH Monitor features two internationally recognized pH buffer standards Select the buffer standard you...

Страница 21: ...ibration press and keys simultaneously and the pH Monitor reverts to pH measurement mode 4 3 1 For USA Standard Buffer Make sure that the pH Monitor is set to accept USA 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 o C starting with the first buffer...

Страница 22: ...calibration process 2 Point Calibration CAL ENT CAL mV pH MEAS PH C ATC READY ENT 1 2 4 CAL pH READY pH CAL pH READY pH ENT CAL pH READY pH CAL pH READY pH CAL pH READY pH 3 3 3 3 5 ENT CAL ENT CAL ENT CAL ENT CAL 1 1 From pH measurement mode press CAL key to enter calibration mode as described in section 4 2 The LCD shows CAL PH Press ENT key to begin first calibration point 2 Place the electrode...

Страница 23: ...ode 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 calibratio...

Страница 24: ...s pH 6 86 NIST standard buffer Upper display shows the current uncalibrated pH reading Allow the reading to stabilize LCD shows READY annunciator when the reading is stable Press CAL key to confirm the reading 3 The calibration is completed 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 offse...

Страница 25: ... key to confirm the reading 4 The calibration is completed 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 Press ENT key to exit from the calibration 5 5 The pH Monitor reverts to pH measurement mode NOTES To exit from pH calibration mode without confirming...

Страница 26: ...annunciator appear in LCD The upper display shows the current mV output of the electrode with offset adjustment if any The lower display shows the default uncalibrated mV output of the electrode Allow the reading to stabilize LCD shows READY annunciator when the reading is stable Press or key to set the upper display value to the ORP value of the solution Allowable range 150mV to 150mV 3 Press ENT...

Страница 27: ...NT key to access setup mode LCD shows SETUP mode indicator and the first page of setup OFS offset settings Press or key to access other pages of the setup mode MEAS pH C ATC READY ENT SETUP SETUP ENT SETUP SETUP SETUP ENT ENT ENT ENT ENT ENT ENT ENT ENT NOTES To exit setup mode at any time press and keys simultaneously escape The pH Monitor returns to the measurement mode ...

Страница 28: ...H measurement Record the pH reading of the pH Monitor at the time the sample was taken 2 Measure the pH value of your sample using another calibrated pH meter having its own electrode pH tester hand held meter or bench meter 3 The difference between these two readings is the offset SETUP ENT ENT 1 pH READY pH SETUP pH READY pH SETUP 2 3 1 1 From pH measurement mode press ENT key to enter setup mod...

Страница 29: ...TC when the temperature of sample or process liquid is constant and a temperature probe is not available If you disable ATC the pH Monitor allows you to set your process temperature P ºC and calibration temperature C ºC This allows calibration at a different temperature other than the process temperature Example Setting calibration temperature of 25 C lets you calibrate using standard solutions at...

Страница 30: ...ompare the stabilized temperature reading displayed on the monitor with the thermometer If there is a difference between the two readings offset you can adjust the reading of the monitor Press or key to adjust the lower display to the correct temperature value 5 5 As the lower display value changes the pH Monitor adjust the upper display reading automatically to suit the new offset value Up to 10 ...

Страница 31: ...et the pH Monitor to accept either USA or NIST pH buffer standard group during pH calibration Buffer Group pH Buffer Points USA pH 4 01 1 68 7 00 10 01 12 45 NIST pH 4 01 1 68 6 86 9 18 12 45 SETUP HOLD SETUP HOLD SETUP HOLD ENT ENT ENT 1 2 2 1 1 From pH measurement mode press ENT key to enter setup mode as described in section 5 1 The LCD shows the first screen of setup mode OFS Press or key to s...

Страница 32: ...e of operation of the pH Monitor which is suitable for most applications where sample or process liquid is not interfered by adjacent electrical noise Symmetrical Operation Mode SY This is mode of operation is recommended for applications where sample or process liquid is subjected to high electrical interference and therefore the pH reading becomes unstable When the pH Monitor is set to symmetric...

Страница 33: ...ed measurement mode Press ENT key to confirm your selection NOTE When the measurement mode is changed the relay operation parameters described in section Error Reference source not found will be reset back to their default values 3 Select operation mode The upper display shows the last configured operation mode ASY or SY Press or key to select your desired operational mode Press ENT key to confirm...

Страница 34: ...setup screens or press and key simultaneously escape to return to measurement mode To exit from any intermediate steps press and keys simultaneously escape The pH Monitor returns to the first screen configuration settings Cnfg 5 6 Viewing Electrode Properties Each time you calibrate your pH electrode the pH Monitor re calculates slope offset of the electrode and shown in the LCD at the end of cali...

Страница 35: ...s The electrode annunciator appears in the LCD 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 Press ENT key to quit from electrode properties screen The pH Monitor reverts to CdAt screen Press or key to access other ...

Страница 36: ...l Calibration a pH Number of calibration points 1 or 2 points Number of calibration buffers USA 1 68 4 01 7 00 10 01 12 45 NIST 1 68 4 01 6 86 9 18 12 45 b Temperature Offset Adjustment 10 C 18 F Input Output Input Asymmetrical Symmetrical Output None Display LCD 7 segments display with symbols for status information Electrical Data and Connections pH mV Input Screw Terminal 3 5mm pitch Connection...

Страница 37: ... pH 4 01 buffer solution 480 ml bottle EC BU 4BT pH 7 00 buffer solution 480 ml bottle EC BU 7BT pH 10 01 buffer solution 480 ml bottle EC BU 10BT pH 4 01 buffer sachets 20 ml x 20 pcs EC BU 4BS pH 7 00 buffer sachets 20 ml x 20 pcs EC BU 7BS pH 10 01 buffer sachets 20 ml x 20 pcs EC BU 10BS pH De ionized water rinse sachets 20 ml x 20 pcs EC RIN WT pH sachet assortment pack 5 each of pH 4 01 pH 7...

Страница 38: ...654 00 pH 7 01 calibration buffer 500 ml 00654 04 pH 10 01 calibration buffer 500 ml 00654 08 pH 4 01 calibration buffer solution pouches 20 box 35653 01 pH 7 00 calibration buffer solution pouches 20 box 35653 02 pH 10 00 calibration buffer solution pouches 20 box 35653 03 pH De ionized water rinse sachets 20 ml x 20 pcs 35653 00 Assortment pack 5 each of pH 4 01 pH 7 00 and pH 10 00 solution pou...

Страница 39: ...l noise interference a Ensure shield wire is properly connected to pin 7 Slow response a Dirty Oily electrode a Clean electrode Blinking ATC a No temperature probe connection during ATC mode a Ensure temperature sensing cable makes good contact Blinking electrode annunciator a Error in calibration a Ensure calibration standard solution is not contaminated Ensure electrode is clean Or pH a pH elect...

Страница 40: ... customer Unauthorized modification or misuse Operation outside of the environment specifications of the products 9 2 Return of Goods Authorization must be obtained from our Customer Service Department or authorized distributor before returning items for any reason A Return Goods Authorization RGA form is available through our authorized distributor Please include data regarding the reason the ite...

Страница 41: ...nd Cleaning Maintenance The Alpha pH 550 Monitor contains no user repairable components Please contact your authorized distributor if there is any problem with the unit Cleaning To remove dust dirt and spots the external surfaces of the pH Monitor may be wiped with a damp lint free cloth A mild household cleaner can also be used if necessary ...

Страница 42: ... 12 20 4 00 6 88 7 02 9 22 10 06 25 4 01 6 86 7 00 9 18 10 01 30 4 01 6 85 6 99 9 14 9 97 35 4 02 6 84 6 98 9 10 9 93 40 4 03 6 84 6 97 9 07 9 89 45 4 04 6 83 6 97 9 04 9 86 50 4 06 6 83 6 97 9 01 9 83 55 4 08 6 83 6 97 8 99 9 81 60 4 10 6 84 6 98 8 96 9 79 70 4 12 6 85 6 99 8 92 9 76 80 4 16 6 86 7 00 8 89 9 74 90 4 20 6 88 7 02 8 85 9 73 10 2 Appendix 2 Abbreviations Used in LCD Abbreviation Des...

Страница 43: ...guration dEF Default values FCt Factory defaults OFS Offset Or Reading is over range OrP Oxidation Reduction Potential P ºC Process temperature PH pH Set Setting Sy Symmetrical mode tyP Type Ur Reading is under range ...

Страница 44: ... Fax 978 232 6031 Europe P O Box 254 3860 AG Nijkerk Wallerstraat 125K 3862 CN Nijkerk Netherlands Tel 31 033 2463887 Fax 31 033 2460832 Asia Pacific Blk 55 Ayer Rajah Crescent 04 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 www thermo com process 2009 Thermo Fisher Scientific Inc All rights reserved Thermo Fisher Scientific Inc 68X216869 Rev 4 ...

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