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EUTECH INSTRUMENTS ALPHA PH 500 PHORP 2-WIRE TRANSMITTER (REVISION 2), Instruction Manual, Page: 4 / 32

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EUTECH INSTRUMENTS ALPHA PH 500 PHORP 2-WIRE TRANSMITTER (REVISION 2) Instruction Manual Download Page 4

Instruction Manual 

 

pH 500 

- 1 - 

1   I N T R O D U C T I O N  

Thank you for selecting a pH 500 pH/ORP Transmitter. This transmitter is a 
microprocessor-based instrument that is designed to be sturdy and user-friendly. It 
is capable of measuring pH, mV and temperature.   

This transmitter has many user-friendly features – all of which are completely 
accessible through the water-resistant membrane keypad. Your transmitter includes 
an instruction manual and a warranty card. 

Please read this manual thoroughly before operating your transmitter. 

 

 

MEAS

°C

READY

.

.

ATC

pH 

 

 

Summary of Contents for ALPHA PH 500 PHORP 2-WIRE TRANSMITTER (REVISION 2)

Page 1: ...Instruction Manual pH 500 LCD Transmitter pH ORP Transmitter with Display Technology Made Easy 68X216829 Rev 2 05 04...

Page 2: ...te to contact the nearest Authorized Distributor Eutech Instruments Oakton Instruments will not accept any responsibility for damage or malfunction to the transmitter caused by improper use of the ins...

Page 3: ...r for Calibration 9 5 2 pH Calibration 10 5 3 Relative mV Calibration 11 5 4 Temperature Calibration 11 6 ADVANCED SETUP FUNCTIONS 12 6 1 Offset Setting Unavailable in ORP mode 12 6 2 Output Range Set...

Page 4: ...o be sturdy and user friendly It is capable of measuring pH mV and temperature This transmitter has many user friendly features all of which are completely accessible through the water resistant membr...

Page 5: ...ure 1 Connection Guide All wiring is done on 2 detachable connectors 1 9 pin connector located on SL1 position for pH electrode temperature sensor and potential matching pin PMP 2 3 pin connector loca...

Page 6: ...e SL1 Position 2 2 1 To connect the pH or ORP electrode The pH transmitter accepts any combination electrode for pH or ORP measurements 1 Remove BNC connector from cable Two wires will be exposed 2 St...

Page 7: ...a small length of wire and short pins 5 and 6 of connector Insert Pt 100 sense wire into pin 6 of connector and tighten screws 2 Insert Pt 100 return wire to pin 7 of connector Tighten screw IMPORTAN...

Page 8: ...Instruction Manual pH 500 5 3 INSTALLATION 3 1 Wall Mount...

Page 9: ...Prepare panel cut out of 92 0 mm by 92 0 mm 2 Remove back cover of transmitter and slide it through panel cut out Panel side 3 Attach lugs to either side of transmitter 4 Thread rods through lugs unt...

Page 10: ...easured mV values are displayed in the ORP Calibration mode SETUP MEAS CAL HOLD pH C READY 8 8 8 1 8 8 8ATC pH mV ERR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 SETup mode indicator 6 Primary display 11 ER...

Page 11: ...ou were in mV Measurement mode press CAL to enter mV Calibration mode To scroll through the various submenus To increment decrement values or toggle between options in the SETUP CAL modes When pressed...

Page 12: ...imize drift Wash your electrode in deionized 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 soluti...

Page 13: ...standard buffers This is the first point Offset calibration 5 Wait for measured pH value to stabilize Press ENTER to confirm calibration Transmitter is now calibrated to current buffer 6 Rinse probe w...

Page 14: ...the relative mV value that matches your desired reading only the readings in the primary display changes 4 Press ENTER key to confirm Transmitter will now display the offset in the readings 5 Press E...

Page 15: ...tinuous measurement and the application concerned it may not be convenient to remove the electrode for calibration In such cases an on line Offset adjustment is offered 1 Press ENT key Transmitter dis...

Page 16: ...lower display shows r 4 0 This is the set up page for the pH or ORP output range setting for the 4mA output current 2 Assign pH or ORP value to 4 mA output current Use or keys to change pH or ORP valu...

Page 17: ...ress ENT 3 Dip ATC probe into a solution of known temperature i e a temperature bath Allow time for temperature probe to acclimatize with surrounding bath temperature If temperature readings are inacc...

Page 18: ...urate thermometer as reference 4 Use or keys to set the transmitter to the temperature of your process or sample Press ENT key 5 Primary display shows temperature default is 25 0 and secondary display...

Page 19: ...Instruction Manual pH 500 16 SETUP HOLD SETUP HOLD SETUP HOLD C ATC SETUP HOLD SETUP HOLD SETUP HOLD Temperature Compensation Setting Chart alpha pH 500 Transmitter...

Page 20: ...ether to return to MEAS mode NOTE If HLd is set to OFF then current output will be equivalent to last measured value 6 5 Out of Range Current Setting If pH or ORP readings exceed the scale LCD display...

Page 21: ...together to return to MEAS mode 5 If the readings on the Transmitter is fluctuating wildly please proceed to Section 6 6 2 for a possible solution 6 6 2 Selecting Asymmetrical or Symmetrical Mode of O...

Page 22: ...struction Manual pH 500 19 3 LCD displays ASY asymmetrical operation Use or keys to select for SYS symmetrical mode of operation Press ENT key again 4 Press S and T keys together to return to MEAS mod...

Page 23: ...orage or as recommended by the manufacturer 3 Prior to next use rinse the liquid junction with de ionized water and tap dry never wipe electrode NOTE If this does not restore electrode to normal respo...

Page 24: ...s fume hoods ventilation and waste disposal Safety goggles and protective clothing must be worn while performing this procedure 1 Dip or stir the pH electrode in alcohol for 5 minutes 2 Leave the elec...

Page 25: ...table readings a Air bubbles in probe b Dirty probe c Probe not deep enough in sample d External noise pickup or induction caused by nearby electric motor e Severe Reference junction fouling a Tap pro...

Page 26: ...nsation Auto Pt 100 Manual from 0 to 100 C Number of calibration points 2 Number of calibration buffers USA 4 01 7 00 10 01 NIST 4 01 6 86 9 18 Inputs Asymmetrical Symmetrical Output 4 0 to 20 0 mA Ov...

Page 27: ...Instruction Manual pH 500 24 10 TECHNICAL DIMENSIONS...

Page 28: ...pH 4 01 buffer solution 480 ml bottle EC BU 7BT pH 7 00 buffer solution 480 ml bottle EC BU 10BT pH 10 01 buffer solution 480 ml bottle EC BU 4BS pH 4 01 buffer sachets 20 ml x 20 pcs EC BU 7BS pH 7...

Page 29: ...00 pH 4 01 calibration buffer 1 pint 00654 04 pH 7 01 calibration buffer 1 pint 00654 08 pH 10 01 calibration buffer 1 pint 35653 01 pH 4 01 calibration buffer solution pouches 20 box 35653 02 pH 7 0...

Page 30: ...rument shall not apply to defects resulting from Improper or inadequate maintenance by customer Unauthorized modification or misuse Operation outside of the environment specifications of the products...

Page 31: ......

Page 32: ...136 Vernon Hills IL 60061 USA Tel 1 888 462 5866 Fax 1 847 247 2984 E mail info 4oakton com Web sites www 4oakton com www oaktoninstruments com Eutech Instruments Pte Ltd Blk 55 Ayer Rajah Crescent 04...

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