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EUTECH INSTRUMENTS CYBERSCAN PH 1100 2100 PHION METER Instruction Manual Download Page 47

Instruction Manual 

 

pH 1100/ 2100 

47

 

10.4.6 

Ion mode setup program P3.4 

 
Use this program to select high or low ion resolution mode. High 
resolution has ±500 mV value, low has ±1850 mV value. 
 
1.  Enter ion setup mode as described in steps 1-4 in 

Section 

10.4.1 Entering ion setup mode

 (page 43). 

 
2. Use 

∆

/MI 

key to scroll to program 

Ion Mode Setup: P3.4

. See 

Figure 144

. 

 
3. Press 

ENTER 

to enter program 

Ion Mode Setup: P3.4

. 

 
4. Press 

>/CAL 

to toggle between 

High 

or 

Low

. The unit 

selected will flash. See 

Figure 145

. 

 
5. Press 

ENTER 

to confirm selection and return to the setup 

mode. 

 
6. Press 

∆

/MI 

key to continue to the next setup program, or 

press 

∇

/MR 

to go to the previous program. Press 

EXIT 

to 

return to the ion measurement mode. 

 

Resolution: High  Low

Select & Press ENTER

Ion Mode Setup : P3.4

Press ENT. to Select

 

 

Figure 144

Figure 145

Summary of Contents for CYBERSCAN PH 1100 2100 PHION METER

Page 1: ...Instruction Manual pH 1100 pH 2100 Bench pH Ion Meter Technology Made Easy 68X090818 Rev 3 07 03 ...

Page 2: ......

Page 3: ...hat explains the various functions and setup menus available This manual is written to cover as many anticipated applications and uses of the pH 1100 2100 Bench meter as possible If there are doubts in the use of the meter please do not hesitate to contact the nearest Authorized Distributor or Customer Service Dept for assistance Eutech Instruments Oakton Instruments reserve the rights to change m...

Page 4: ...on calibration error messages 21 5 3 Ion measurement 22 6 MEMORY FUNCTIONS 23 6 1 Memory input 23 6 1 1 Manually storing a reading into memory 23 6 2 Memory recall 24 6 2 1 Recalling readings in manual recall mode 24 6 2 2 Recalling readings in automatic recall mode 24 7 STABILITY INDICATOR 25 8 ALARM FUNCTIONS 25 8 1 High and Low measurement alarm 25 8 2 Calibration due alarm 25 9 TEMPERATURE CAL...

Page 5: ... 48 10 4 8 Ion calibration data reset setup program P3 6 49 10 5 Meter general configuration setup mode 50 10 5 1 Entering meter general setup mode 50 10 5 2 Date time setup mode P4 0 50 10 5 3 Backlight setup mode P4 1 51 10 5 4 Data log setup mode P4 2 52 10 5 5 Memory recall setup mode P4 3 52 10 5 6 Communication setup mode P4 4 53 10 5 7 Data transfer setup mode P4 5 53 10 5 8 Memory clear se...

Page 6: ...s in its non volatile memory In addition as a space saver an optional swivel electrode holder can be attached at the either side of bench meter for resting the electrodes and probes during operation The pH 1100 2100 bench meter measures pH millivolts relative millivolts and temperature The pH 2100 meter also measures ion concentration These meters are equipped with a large customized LCD Liquid Cr...

Page 7: ...s pH Ion Concentration mV Relative mV HOLD Freeze the displayed value allow you to print the held reading or store it into memory SETUP Enter SETUP mode of the meter for customization of meter functions as well as view some diagnostic functions refer to the table for details of SETUP menus MI Store the displayed value into memory Increment values or scroll through the next options available À MR R...

Page 8: ...be a 30KΩ thermistor probe INPUT For connecting sensors with a BNC connector to the meter The meter accepts any pH ORP or ISE electrode with a BNC connector Always make sure that the connector is clean and dry REF For connection to the pin tip type reference electrode normally used with half cell mono type pH or ISE electrodes REC For connection to the strip chart recorder GND For connection to th...

Page 9: ...nal screw hole Use the screw removed earlier to secure electrode holder base into position See Figure 3 4 The electrode holder arm is reversible If desired remove screw holding electrode holder base and slide base out of brackets Slide base into brackets on opposite side and replace screw 5 To install the electrode arm turn meter back to the upright position See Figure 4 6 Line up the hole on the ...

Page 10: ... and then the lower display flashes SW Rev 1 20 See Figure 7 4 The display flashes System Initializing Please wait See Figure 8 5 If this is the first power up since the power was connected you must indicate desired measurement mode Use CAL to select The mode selected will flash See Figure 9 Press ENTER to confirm The meter then enters measurement mode 6 After initial startup the meter will automa...

Page 11: ...bration data at pH 4 01 and pH 10 01 To view current calibration points see Section 10 2 8 Program pH Cal Data P1 6 in the pH Temp setup mode page 35 If you choose to recalibrate to only 1 or 2 pH values the older calibration values you do not calibrate to will remain stored These old stored calibration values may cause accuracy loss when your readings are close to the old values To clear old cali...

Page 12: ...obe into the calibration buffer The end of the probes must be completely immersed into the sample Stir probes gently to create a homogeneous sample 5 Press CAL to enter the pH calibration mode The display flashes Cal Mode Activated Please wait See Figure 15 The meter is now in pH calibration mode The meter automatically recognizes the buffers in the set you have selected in the SETUP mode If you w...

Page 13: ...ffer solution 4 Wait for the measured pH value to stabilize The upper display will flash pH until the reading has stabilized 5 When pH reading has stabilized press ENTER The lower display flashes 2 Point Cal Done 3 if you have calibrated 3 points 4 if 4 points etc See Figure 18 This calibration point is now stored in the meter Repeat steps 3 5 for each point you wish to calibrate When you are fini...

Page 14: ...e pH buffer value 5 Enter the value of the next custom pH buffer Press ENTER when done The display will read 2 Point Cal Done If you are performing a 2 point calibration press EXIT The screen flashes Sys Updating Please wait The meter then returns to the pH measurement mode You may now start taking pH readings If you are performing a 3 4 or 5 point calibration go to step 6 6 Repeat steps 4 and 5 f...

Page 15: ... 0 pH of the keyed in value the upper display will flash Error and the lower display will read Too much offset 7pH See Figure 26 Press EXIT to clear error message and return to pH measurement mode If the slope is not within 75 to 105 the upper display will flash Error and the lower display will read Slope out 75 105 See Figure 27 Press EXIT to clear error message and return to pH measurement mode ...

Page 16: ...te MTC See Figure 31 2 Press CAL to enter pH Temp calibration mode The display will flash Cal Mode Activated Please wait Press CAL key again to enter the temperature calibration mode The display will flash Temperature Cal Mode Please remove this gap The copy should follow as one See Figure 32 The upper display then reads MTC Temp 25 0 C and the lower display reads Key In Std 25 0 C See Figure 33 3...

Page 17: ...play shows current pH reading and temperature and indicates automatic or manual temperature compensation The lower display shows month date year and time See Figure 35 3 Dip the probe into the sample Make sure the sensor or the glass bulb of the electrode is completely immersed into the sample Stir the probe gently to create a homogenous sample 4 Allow time for the reading to stabilize The pH indi...

Page 18: ...sing the numeric keypad If you make a mistake use the MI or MR to highlight mistake then re enter 7 Press ENTER key to confirm the reading The display flashes mV Cal Completed mV Offset shows the mV offset value See Figure 41 It then flashes Sys Updating Please wait The meter returns to mV measurement mode The upper display now reads Rel mV See Figure 42 NOTE New mV calibrations will override exis...

Page 19: ...ave reset the meter the display will read Abs mV See Figure 47 2 Dip the electrode into the sample The sensor or glass bulb of the electrode must be completely immersed into the sample Stir the electrode gently to create a homogeneous sample 3 Allow time for the reading to stabilize The upper display will show the mV reading and the lower display will show the current month day and time See Figure...

Page 20: ...e absolute mV produced by the electrode 4 Dip the electrode into the first calibration standard Start with the calibration standard that has the lowest concentration and move up to higher concentration standards 5 Press CAL to enter the ion calibration mode The display will flash Cal Mode Activated Please wait See Figure 50 The display then shows Ion Conc ppm or unit selected in ion setup mode in ...

Page 21: ... Sys Updating and returns to measurement mode NOTES You may compare the average electrode slope value with the expected slope value for your electrode from your electrode manual to verify electrode operation If you want to leave the calibration mode prior to confirming two calibration points press EXIT key to exit calibration mode The meter will revert to back to the earlier calibration curve If y...

Page 22: ...on Meas and current mV value See Figure 59 If the meter has been calibrated the display will show the current concentration value plus the absolute mV produced by the electrode See Figure 60 2 Prepare samples as necessary Sample preparations varies depending on ion type see your electrode manual for details on the specific electrode that you are using 3 Dip electrode into the sample The sensor or ...

Page 23: ...omatically or manually To set the meter to log automatically see Meter Setup Program P4 2 Data Log Setup page 52 The meter can log readings at intervals from 10 seconds to 23 hours 59 minutes and 59 seconds 6 1 1 Manually storing a reading into memory 1 During any measurement mode function press MI key to input data into memory 2 The upper display will read current measurement function and the low...

Page 24: ...ing readings in automatic recall mode 1 Press the MR key once to retrieve the last reading stored The display flashes Mem Recall Activated Please wait See Figure 62 The display then flashes the memory location last stored in the lower display See Figure 63 Then the display shows the recorded value pH temp mV or Ion mV in the upper display and date and time in the lower display See Figure 64 2 Afte...

Page 25: ... an alarm pH The high alarm must be at least 1 0 pH greater than the low alarm mV The high alarm setting must be at least 100 0 greater than the low alarm Ion The high alarm setting must be at least half of the next decade greater than the low alarm 8 2 Calibration due alarm You can set this meter to signal an alarm when calibration is due Individual calibration due alarms can be set for pH mV and...

Page 26: ...istake use the MI or MR keys to highlight mistake then re enter 5 Press ENTER to confirm The display flashes Temp Cal Complete ATC Offset shows offset value See Figure 76 The display then flashes Sys Updating Please wait and the meter returns to pH measurement mode NOTE The meter will not allow input values that exceed the allowable limit of 5 C 9 F of the original displayed reading 9 2 Temperatur...

Page 27: ...eset P1 7 Press ENT to Select pH Buffer Setup P1 0 pH Resolution Setup P1 1 Temperature Unit Setup P1 2 pH Measurement Alarm Setup P1 3 Selects calibration buffer sets USA NIST Bf1 Bf2 or custom Selects pH resolution 0 01 or 0 001 pH Selects temperature measurement unit C or F Sets low and high pH alarm pH Calibration Due Alarm Setup P1 4 Stability Setup P1 5 View Calibration Data P1 6 pH Calibrat...

Page 28: ...high medium or low Last mV calibration date time mV offset value Clears all mV calibration data Ion Unit Setup P3 0 Ion Measurement Alarm Setup P3 1 Ion Calibration Due Alarm Setup P3 2 Stability Setup P3 3 Ion Mode Setup P3 4 View Calibration Data P3 5 Ion Calibration Reset P3 6 Selects Ion measurement unit ppm ppt mg L g L mmol L mol L Sets low and high Ion alarms Sets calibration reminder alarm...

Page 29: ...al memory recall Selects automatic or manual memory recall Sets Baud Rate 4800 9600 or 19200 Sets Stop Bit One or Two Sets Parity None Odd or Even Selects what data gets sent to computer printer when PRINT and sets datalogging time interval 10 seconds to 23 hours 59 minutes 59 seconds Memory Clear Setup P4 6 Meter Reset P4 7 Clears data from stored memory Resets meter to factory defaults Clears al...

Page 30: ...ams and press EXIT these changes will be confirmed To reset meter to default factory settings see setup program Meter Reset P4 7 page 54 10 2 2 pH buffer setup program P1 0 Use this program to select calibration buffer sets USA NIST Bf1 Bf2 or custom Selectable buffer sets USA 1 68 4 01 7 00 10 01 12 45 NIST 1 68 4 01 6 86 9 18 12 45 Bf1 1 68 4 01 7 01 9 18 12 45 Bf2 1 68 4 01 6 86 10 01 12 45 Cus...

Page 31: ...measurement mode 10 2 4 Temperature unit setup program P1 2 Use this program to select temperature measurement unit C or F 1 Enter pH Temperature setup mode as described in steps 1 4 in 10 2 1 Entering pH temperature setup mode page 30 2 Use MI key to scroll to program Temp Unit Setup P1 2 See Figure 85 3 Press ENTER to enter program Temp Unit Setup P1 2 4 Press CAL to toggle between Degree C and ...

Page 32: ...you selected On the display now reads Key in Low Alarm pH Set Point Key in the low pH alarm set point using the numeric keypad If you make a mistake use the MI or MR keys to highlight mistake then re enter See Figure 89 Press ENTER to confirm keyed in value 7 The display now reads Key in High Alarm pH Set Point Key in the high pH alarm set point using the numeric keypad The high alarm must be set ...

Page 33: ...ff pressing ENTER returns to the setup mode Press MI to continue to the next setup program or press MR to go to the previous program Press EXIT to return to the pH measurement mode 6 If you selected On in step 5 the display reads Key in Cal Due Period 1 365 days Key number of days using the numeric keypad If you make a mistake use the MI or MR keys to highlight mistake then re enter See Figure 93 ...

Page 34: ...ey to toggle between pH Stable Criteria On and Off The selection will flash See Figure 95 5 Press ENTER to confirm selection If you selected On continue to step 6 If you select Off pressing ENTER returns to the setup mode Press MI to continue to the next setup program or press MR to go to the previous program Press EXIT to return to the pH measurement mode 6 If you selected On in step 5 the displa...

Page 35: ... proceed to the fourth screen This screen shows current pH offset value in mV See Figure 101 7 Press ENTER to proceed to the fifth screen This screen shows current acid slope 1 and 2 See Figure 102 8 Press ENTER to proceed to the sixth screen This screen shows current acid slope 2 and alkaline slope 1 See Figure 103 9 Press ENTER to proceed to the seventh screen This screen shows current alkaline ...

Page 36: ... The selection will flash See Figure 106 5 Press ENTER to confirm selection If you selected Yes the screen flashes pH being Reset Please wait See Figure 107 The meter then returns to setup mode If you select No the screen flashes Reset Aborted and then returns to the setup mode See Figure 108 This is the last pH setup program Press MR to go to the previous program Press MI to go back to the first ...

Page 37: ...tup mode You are now in the mV setup mode 4 The first setup program in mV mode is mV Meas Alarm P2 0 See Figure 111 If you want to skip to another program use the MI and MR keys to scroll to the desired program 5 To exit the setup mode at anytime press EXIT The meter returns to the mV measurement mode NOTE To exit the setup mode at anytime without confirming changes press EXIT If you have made any...

Page 38: ...n the low mV alarm set point using the numeric keypad using the key for negative numbers See Figure 114 If you make a mistake use the MI or MR to highlight mistake then re enter Press ENTER to confirm value 6 The display now reads Key in High Alarm mV Set Point The high alarm setting must be at least 100 0 mV greater than low alarm Key in the high mV alarm set point using the numeric keypad using ...

Page 39: ...f pressing ENTER returns to the setup mode Press MI to continue to the next setup program or press MR to go to the previous program Press EXIT to return to mV measurement mode 6 If you selected On in step 5 the display reads Key in Cal Due Period 1 365 days Key number of days using the numeric keypad If you make a mistake use the MI or MR keys to highlight mistake then re enter See Figure 118 7 Pr...

Page 40: ...le between mV Stable Criteria On and Off The selection will flash See Figure 120 5 Press ENTER to confirm selection If you selected On continue to step 6 If you select Off pressing ENTER returns to the setup mode Press MI key to continue to the next setup program or press MR to go to the previous program Press EXIT to return to the mV measurement mode 6 If you selected On in step 5 the display now...

Page 41: ... 3 The first screen in mV Cal Data P2 3 is the mV Cal Date Time See Figure 123 4 Press ENTER to proceed to the second screen This screen shows current mV offset value See Figure 124 5 Press ENTER to return to the setup mode Press MI to continue to the next setup program or press MR to go to the previous program Press EXIT to return to mV measurement mode Note While viewing calibration data you may...

Page 42: ...lection will flash See Figure 126 5 Press ENTER to confirm selection If you selected Yes the screen flashes mV being Reset Please wait See Figure 127 The meter then returns to setup mode If you select No the screen flashes Reset Aborted and then returns to the setup mode See Figure 128 This is the last mV setup program Press MR to go to the previous program Press MI to go back to the first mV setu...

Page 43: ...thout confirming changes press EXIT If you have made any changes to any programs and press EXIT these changes will be confirmed To reset meter to default factory settings see setup program Meter Reset P4 7 page 54 10 4 2 Ion unit setup mode P3 0 Use this program to select Ion measurement units ppm ppt mg L g L mmol L or mol L 1 Enter ion setup mode as described in above in Section 10 4 1 Entering ...

Page 44: ...n Set Point Key in the low ion alarm set point using the numeric keypad See Figure 136 If you make a mistake use the MI or MR to highlight mistake then re enter Press ENTER to confirm value 6 The display now reads Key in High Alarm Ion Set Point The high alarm setting must be at least one half decade greater than the low alarm Key in the high ion alarm set point using the numeric keypad See Figure...

Page 45: ...ff pressing ENTER returns to the setup mode Press MI key to continue to the next setup program or press MR to go to the previous program Press EXIT to return to mV measurement mode 6 If you selected On in step 5 the display reads Key in Cal Due Period 1 365 days 1 Key number of days using the numeric keypad If you make a mistake use MI or MR keys to highlight mistake then re enter See Figure 140 7...

Page 46: ...e between Ion Stable Criteria On and Off The selection will flash See Figure 142 5 Press ENTER to confirm selection If you selected On continue to step 6 If you select Off pressing ENTER returns to the setup mode Press MI key to continue to the next setup program or Press MR to go to the previous program Press EXIT to return to the ion measurement mode 6 If you selected On in step 5 the display no...

Page 47: ... scroll to program Ion Mode Setup P3 4 See Figure 144 3 Press ENTER to enter program Ion Mode Setup P3 4 4 Press CAL to toggle between High or Low The unit selected will flash See Figure 145 5 Press ENTER to confirm selection and return to the setup mode 6 Press MI key to continue to the next setup program or press MR to go to the previous program Press EXIT to return to the ion measurement mode R...

Page 48: ...ue See Figure 150 7 Press ENTER to proceed to the fifth screen showing 4 th and 5 th ion calibration points and corresponding absolute mV value See Figure 151 8 Press ENTER to proceed to the sixth screen showing Ion Slope 1 and 2 mV value See Figure 152 9 Press ENTER to proceed to the seventh screen showing Ion Slope 2 and 3 mV value See Figure 153 10 Press ENTER to proceed to the eighth screen sh...

Page 49: ...ction will flash See Figure 156 5 Press ENTER to confirm selection If you selected Yes the screen flashes Ion being Reset Please wait See Figure 157 The meter then returns to setup mode If you select No the screen flashes Reset Aborted and then returns to the setup mode See Figure 158 This is the last ion setup program Press MR to go to the previous program Press MI to go back to the first ion set...

Page 50: ... 5 2 Date time setup mode P4 0 Use this program to set the meter date and time 1 Enter the Meter setup mode as described above in Section 10 5 1 Entering meter general setup mode Pg 50 The first setup mode is Date Time Setup P4 0 See Figure 163 2 Press ENTER to enter program Date Time Setup P4 0 3 Key in the Date Month Year Hr and Min using the numeric keypad Use the CAL key or the ENTER key to to...

Page 51: ...eturns to the setup mode Press MI to continue to the next setup program or press MR to go to the previous program Press EXIT to return to measurement mode 6 If you selected On in step 5 the display now reads Key BL On Period 0 1 10 0 min 2 00 See Figure 169 Key in the backlight on period using the numeric keypad If you make a mistake use MI or MR keys to highlight mistake then re enter 7 Press ENT...

Page 52: ...e use MI or MR keys to highlight mistake then re enter See Figure 172 7 Press ENTER to confirm selection The screen flashes Sys Updating Please wait and then returns to the setup mode Press MI key to continue to the next setup program or press MR to go to the previous program Press EXIT to return to measurement mode 10 5 5 Memory recall setup mode P4 3 Use this program to select automatic or manua...

Page 53: ...setup mode Press MI key to continue to the next setup program or press MR to go to the previous program Press EXIT to return to measurement mode 10 5 7 Data transfer setup mode P4 5 1 This program lets you select what data is sent to your printer or computer 2 Enter meter setup mode as described in steps 1 4 in Section 10 5 1Entering meter setup mode page 50 3 Use MI key to scroll to program Data ...

Page 54: ...on measurement alarm is off pH mV Ion calibration due alarm is off Stability indicator is turned on with low stability setting Data logging and memory recall has manual setting Backlight is on with 2 0 minute duration Memory is cleared Ion features on the CyberScan pH2100 meter only 1 Enter meter setup mode as described in steps 1 4 in Section 10 5 1 Entering meter setup mode page 50 2 Use MI key ...

Page 55: ...uments Oakton Instruments offers a complete range of electrode storage and cleaning solutions After Use 1 After each series of measurements wash the electrode and reference junction in de ionized water 2 If using a refillable electrode close the refilling hole by placing its rubber sleeve or stopper plug into its position 3 Store the electrode as mentioned above Electrode Cleaning Electrodes that ...

Page 56: ...ode P4 4 Tx Rx Parameter page 53 to set baud rate stop bit and parity for your meter 12 1 1 Sending data to printer You can either send current data or data stored in memory to your printer See Meter Setup mode Program P4 5 Data Transfer page 53 to select which data is sent to your printer 1 Connect your meter to printer consult printer manual for cable connections Use a 9 pin serial connection fo...

Page 57: ...range Contact your distributor for information on pH buffer and calibration solutions 13 3 Standard pH Buffers The following table shows the various pH values at different temperature of the solution during calibration The table also illustrates why a calibration value may be different from the buffer value at 25 C USA Buffer NIST Buffer Temperature C 1 68 4 01 7 00 10 01 12 45 1 68 4 01 6 86 9 18...

Page 58: ...Off P2 2 Stability Setup On Off On Low P2 3 mV Cal Data P2 4 mV Cal Reset Yes No No Ion SETUP Menu P3 0 Ion Unit Setup ppm ppt mg l g l mmol l mol l ppm P3 1 Ion Measurement Alarm On Off Off P3 2 Ion Calibration Due Alarm On Off Off P3 3 Stability Setup On Off On Low P3 4 Ion Mode Setup High Low High P3 5 Ion Cal Data P3 6 Ion Cal Reset Yes No No Meter SETUP Menu P4 0 Date Time Setup P4 1 Backligh...

Page 59: ...low Received buffer overflowing Turn meter off and return to authorized distributor if necessary Error pH Offset Error pH offset too much pH offset should not exceed 1 pH from the display Check electrode condition Make sure buffer is fresh and correct Recalibrate meter Error pH Slope Error Incorrect pH slope pH slope is out of allowable limit Check electrode condition Make sure buffer is fresh and...

Page 60: ...05 0 C 23 0 to 221 0 F Automatic Temperature compensation ATC offset 5 0 C 9 0 F pH 2100 meter only Ion Range 0 001 to 19999 Resolution High resolution mode 500 0 mV 0 001 from 0 001 to 0 999 0 01 from 1 00 to 9 99 0 1 from 10 0 to 99 9 1 from 100 to 19999 Resolution Low resolution mode 1850 0 mV 0 001 from 0 001 to 0 099 0 01 from 0 10 to 0 99 0 1 from 1 0 to 9 9 1 from 10 to 19999 Accuracy 0 5 o...

Page 61: ... pin female connector with a roll of paper and 120VAC power adapter provided EC MICROPRNTR01 35622 00 Serial Impact Dot matrix Micro printer paper roll portable printer with 25 pin female connector with a roll of paper and 220VAC power adapter provided EC MICROPRNTR02 35622 05 110 120V AC DC 9V 500mA power adapter 50 60 Hz 2 pin type 60X030111 35621 50 220 240V AC DC 9V 500mA power adapter 50 60 H...

Page 62: ...maintenance by customer Unauthorized modification or misuse Operation outside of the environmental specifications of the products Return of Items Authorization must be obtained from your Authorized Distributor or Customer Service Dept before returning items for any reason When applying for authorization please include data regarding reason the items are to be returned Packing the item for repair s...

Page 63: ...NOTES ...

Page 64: ...truments P O Box 5136 Vernon Hills IL60061 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 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 E mail marketing eutechinst com Web site www eutechinst com Distributed by ...

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