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25

8 

PRINT FUNCTION (FOR pH 100 ONLY)

The CyberScan pH 100 is equipped with a PRINT key that facilitates the printing of data from

a printer or storage of data into the computer in the form of a data file.

8.1 

Using the CyberScan pH 100 With The Printer

1. 

To use the CyberScan pH 100 directly with a printer, the printer should have either a 9

pin or a 25 pin RS 232C serial port.

2. 

Printer dip switches should match with the CyberScan meter communication setup. The

printer should have options to receive 8 data bits, even (2), odd (1) or none (0) parity bit

and one (1) or two (2) stop bits. These parameters are standard printer options. Please

refer to your printer’s instruction manual for more information on its communication setup

protocol.

3. 

Use the cable provided to connect the meter to the printer. If the printer has a 25 pin

connector, use a 9 to 25 pin converter (available separately) or make your own cable

taking note of the connection parameters as described in Section 3.4.1 on page 9.

4. 

Set the dip switches of the printer to accept serial data. This would be required if the

printer has both serial and parallel interfaces. Set the dip switches to accept 8 data bits

(Normally, printers would have a selection for 7 or 8 data bits).

5. 

Turn on the meter.

6. 

Set the printer dip switches or change the CyberScan pH 100 setup parameters for the

proper baud rate, parity and stop bits. Refer to Section 9.4 for more detail.

7. 

Ensure that these parameters are identically set on both the printer and the meter.

8. 

Insert the paper and switch the printer on.

9. 

To send data to the printer, press the PRINT key.

Printing Errors

Problem

Probable Cause

Prints Garbage

Baud rate/parity/data bits mismatch

Nothing is printed

Cable not properly connected or improper printer dip switch
setting.

The CyberScan meter displays error by blinking the printer and error annunciators alternately

if the printer is not ready to receive data or if the printer is off. See Figure 14 on Page 10. As

soon as the printer is ready, the error display will automatically go off. While the meter is

displaying the printer error, you may press the ‘CAL/MEAS‘ key to go back to the

measurement mode.

Содержание CyberScan pH 10

Страница 1: ...Instruction Manual CyberScan pH 10 pH 100 Hand held pH mV Temperature RS 232 Meter 68X007106 Technology Made Easy 09 2001 rev 4 pH 10 Meter pH mV C pH 100 Meter pH mV C RS 232 ...

Страница 2: ...zed Distributor Eutech Instruments cannot accept any responsibility for damage or malfunction to the meter caused by improper use of the instrument Remember to fill in the guarantee card and mail it back to your authorized distributor or Eutech Instruments Pte Ltd address contact details email and homepage information are found on the back page of this manual The information presented in this manu...

Страница 3: ...100 ONLY 23 7 1 Memory Input 23 7 2 Memory Recall 24 8 PRINT FUNCTION FOR pH 100 ONLY 25 8 1 Using the CyberScan pH 100 With The Printer 25 8 2 Sending Data To Computer 26 9 ADVANCED SETUP FUNCTIONS FOR pH 100 ONLY 28 9 1 Program 1 Software Initialization 29 9 2 Program 2 Electrode Data 30 9 3 Program 3 Meter Configuration 32 9 4 Program 4 Communication Setup 34 10 CYBERCOMM PORTABLE DATA ACQUISIT...

Страница 4: ...ment Meter and Meter accessories 56 15 2 Calibration Solutions 57 15 3 Ion Selective Electrodes ISE 57 15 4 pH ORP Electrodes 58 16 METER SPECIFICATIONS 59 17 ADDENDUM 1 FACTORY DEFAULT SETTINGS pH 100 ONLY 60 18 WARRANTY RETURN OF ITEMS 61 ...

Страница 5: ... PHTEM 01P electrode holder built in meter stand and batteries Eutech Instruments offer a wide selection of pH and ORP electrodes Refer to Accessories section for more information The basic model is the CyberScan pH 10 which is capable of measuring pH Temperature and millivolt mV The deluxe model is the CyberScan pH 100 which measures pH Temperature millivolt mV and relative millivolt Rel mV It ha...

Страница 6: ...MEASurement mode indicator 10 Temperature indicator 17 Low battery indicator 3 CALibration indicator 11 Automatic Temperature Compensation indicator 18 Probe indicator 4 CONfirm indicator 12 mV measurement mode indicator 19 Buffer indicator 5 MEMory recall mode indicator For pH 100 only 13 Rel mV measurement mode indicator For pH 100 only 20 ERRor indicator 6 pH indicator 14 Temperature measuremen...

Страница 7: ...V measurement calibration mode While in SETup only in pH 100 menu pressing CAL MEAS takes you out and into the measurement mode CON CONfirm function Press to confirm values in Calibration mode and to confirm selections in SETup mode In Calibration mode 1 If you are in pH calibration mode press or key scrolls up or down the buffer calibration values 2 If you are in temperature calibration mode pres...

Страница 8: ...4 Figure 3 Keypad of pH 100 meter Figure 2 Keypad of pH 10 meter ...

Страница 9: ...ead screwdriver remove the two screws Figure 4 with the hinge closed 2 Remove the battery cover Note the polarity and insert the batteries into the battery compartment correctly Figure 5 3 Replace the battery cover into its position and screw back using the two screws removed earlier Your CyberScan hand held meter is now ready for operation Figure 5 Battery position Figure 4 Take out battery cover...

Страница 10: ... of the connector are in line with the posts of the socket 3 Slide the BNC connector of the probe over Figure 6 4 Rotate and push connector clockwise until it locks 5 To remove electrode push and rotate the connector anti clockwise 6 While holding onto the metal part of the connector pull it away from the meter 7 Be careful not to use excessive force CAUTION Do not pull on the probe cord or the pr...

Страница 11: ...to the slot Figure 8 3 You can attach the electrode holder in different positions Figure 10 3 2 4 To attach a second electrode holder The electrode holder is designed such that you can attach one holder onto another Up to two electrodes using the BNC connector and phono jack can be used with the CyberScan meter at any one time 1 Align the flange of the second electrode holder with the slot of the ...

Страница 12: ...s and reoriented into appropriate orientation before putting into position 3 3 Connecting the AC DC Adapter Besides using four AAA sized batteries as power source the CyberScan pH 10 100 meter can also operate from the power mains using an AC DC power adapter either at 120 220 VAC sold separately This is extremely useful if you have an A C power source available e g laboratory Before plugging in s...

Страница 13: ...des a complimentary Data Acquisition Software DAS that captures data transmitted into an ASCII file for later use 1 Open the printer port cover located at the bottom end of the meter Do not use excessive force when doing this See Figure 12 2 Noting the orientation of the RS232C connector plug the male connector into the RS232C port of the CyberScan 3 Fasten the RS232C connector by fastening the tw...

Страница 14: ...s hardware handshake i e CyberScan pH 100 expects both DSR and CTS lines to be active before it sends data 2 If the PRINT key is pressed while the printer is not ready or if the printer is off the CyberScan pH 100 meter displays error message by showing both the printer and the ERR annunciators blinking alternately and awaits the printer to be ready Figure 14 3 While the meter is displaying printe...

Страница 15: ...e 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 eventually the accuracy of the measurements Refer to Accessories for information on Eutech Instruments pH buffer solutions It is recommended that you perform at least a 2 Point Calibratio...

Страница 16: ...e using the MODE key See Figure 15 on right 4 Rinse the electrode well with deionized water or rinse solution Do not wipe the electrode with tissue paper as this may cause a build up of electrostatic charge on the glass surface 5 Dip the probe into the calibration buffer The end of the probe must be completely immersed into the sample Stir the probe gently to create a homogeneous sample 6 Press th...

Страница 17: ...he various buffer pH options 15 Select the second pH buffer for calibration accordingly Repeat steps 4 to 14 above 16 Once calibration is confirmed at the second point you can proceed to calibrate at the third point without the need to return to Measurement mode Just select the desired buffer by using Ml or MR key NOTE For pH 100 meter you can check on which buffer calibration points were being ca...

Страница 18: ...ation 1 Calibrate for temperature as described in the procedure in Section 4 4 1 Temperature Calibration Without ATC Probe 2 Next proceed with the pH calibration as described in the above section 3 The meter is now calibrated at a fixed temperature NOTE To exit this program without confirming the temperature calibration value DO NOT press CON Press CAL MEAS instead ...

Страница 19: ...Without ATC Probe 1 Switch the meter on Press the MODE key to select temperature mode Temp 2 Press the CAL MEAS key to enter temperature calibration mode The primary display indicates the pH value and the secondary display shows the temperature 3 Press or key to select temperature value that matches the temperature reading shown in your reference thermometer 4 Once you have selected the correct te...

Страница 20: ...ize 5 Press the CAL MEAS key to enter temperature calibration mode The primary display indicates the pH value and the secondary display shows the temperature 6 Press or key to select temperature 7 Once you have selected the correct temperature press CON key to confirm 8 The CON indicator flashes for one second and disappears 9 Press CAL MEAS key to return to the pH measurement mode NOTE To exit th...

Страница 21: ...th the Ml and MR keys adjust the displayed absolute mV value to the base value required e g 350 0 mV Figure 20 NOTE To exit this mode or re enter the desired value without confirming DO NOT press CON key Press the CAL MEAS key instead 5 Press CON key to confirm the calibration The CON indicator flashes for one second and disappears 6 The LCD now displays 0 mV reading The meter is now calibrated fo...

Страница 22: ...ther one of the following procedures 1 Enter the SETUP mode See section 9 1 Program 1 0 clears all memory in storage including the calibrated values You cannot selectively delete data 2 Or you can recalibrate the instrument A new calibration value automatically overwrites the existing value in the memory ...

Страница 23: ...orking conditions using a separate thermometer NOTE Remove the protective rubber cap or soaker bottle of the electrode before proceeding with measurement Take care not to exert too much force as this may cause damage to the electrode 5 1 Automatic Temperature Compensation For automatic temperature compensation ATC simply plug the temperature probe into the meter The ATC indicator will light up on ...

Страница 24: ...ws the default temperature value 25 ºC 4 Check the temperature of your sample using an accurate thermometer 5 Press the or keys to set the temperature to the measured value obtained from step 4 6 Press CON to confirm the selected temperature The CON indicator will flash momentarily 7 Press the CAL MEAS key to exit and return to pH measurement mode The meter will now compensate pH readings for the ...

Страница 25: ...immersed into the sample Stir the probe gently in the sample to create a homogeneous sample 5 Allow time for the reading to stabilize Note the reading on the display 6 To toggle between pH and mV or Rel mV readings press the MODE key The READY mode informs you that the readings are stable within a range of 0 01 pH When this occurs the mode annunciator READY appears on the top left corner of the di...

Страница 26: ...100 meter 1 In the measurement mode either pH mV or Rel mV press the HOLD key 2 HOLD indicator will appear on the display 3 To release the held value press HOLD again You can continue to take measurements NOTE The meter shuts off automatically after 20 minutes after last key is pressed If the meter is shut off either automatically or manually the HOLD value will be lost In the pH 100 model the SET...

Страница 27: ...If the memory is already full the first value that was stored in the memory will be erased to create space for the new value to be input 7 1 Memory Input To store a reading 1 During any measurement function MEAS press MI key to input any data into the memory 2 The MEM annunciator will flash momentarily Figure 25 3 The meter then returns to measurement mode 4 You can switch to the next measurement ...

Страница 28: ...necessary press MR key again to retrieve the next memory 6 To retrieve data from another measurement mode for example mV press MODE key until you arrive at pH measurement mode 7 Press the MR key once to retrieve the last reading stored in pH Note the reading 8 If necessary press MR key again to retrieve the next memory 9 Once all readings are recorded press CAL MEAS key to exit memory recall mode ...

Страница 29: ... on page 9 4 Set the dip switches of the printer to accept serial data This would be required if the printer has both serial and parallel interfaces Set the dip switches to accept 8 data bits Normally printers would have a selection for 7 or 8 data bits 5 Turn on the meter 6 Set the printer dip switches or change the CyberScan pH 100 setup parameters for the proper baud rate parity and stop bits R...

Страница 30: ... The data will be printed onto the printer paper or the screen of the CYDATA program automatically 8 2 2 Printing Data From Memory The CyberScan pH 100 meter can print data that is stored in the memory Firstly ensure that the cables are properly connected to either the printer or the computer and the units are configured to receive data from the meter Change the mode to the mode of measurement fro...

Страница 31: ...0 Date 12 21 1996 Time 09 57 18 mv 10 3 Temp 25 0 Date 12 21 1996 Time 09 57 22 mv 11 2 Temp 25 0 Date 12 21 1996 Time 09 57 24 mv 12 9 Temp 25 0 Date 12 21 1996 Time 09 57 28 mv 14 1 Temp 25 0 Date 12 21 1996 Time 09 57 31 mv 15 9 Temp 25 0 Date 12 21 1996 Time 09 57 37 mv 17 4 Temp 25 0 Date 12 21 1996 Time 09 57 40 mv 17 8 Temp 25 0 Date 12 21 1996 Time 09 57 43 mv 18 6 Temp 25 0 Date 12 21 199...

Страница 32: ...g Set baud rate parity stop bit 9 4 To enter the SETUP mode press the SET key from either the pH Relative mV or mV measurement MEAS mode The meter automatically enters Program 1 Option 0 P1 0 NOTE Entry to SETUP is only accessible from the MEAS mode Selection of the CON key confirms selection of the options chosen The instrument then automatically scrolls to the next program Within each program th...

Страница 33: ...et to OFF 9 1 2 P1 1 Reset Activation of this option by selecting ON resets the instrument The instrument immediately switches off You need to power ON the instrument before proceeding with any other functions RESET clears all data in memory 5 sets of values each for pH mV and Rel mV with temperature calibration data and setup data All settings return to factory defaults The RESET is OFF by defaul...

Страница 34: ...The slope displayed is the average slope based on the calibrations performed If the meter has not been calibrated or under default conditions the primary display reads 100 00 9 2 3 P2 2 Calibration pH buffer data Records all the pH buffer calibrations made on the meter This option allows you to view all 5 calibration points Use MI or MR key to scroll through the five calibration points See Figure ...

Страница 35: ...2 5 P2 4 Relative mV offset value The primary display indicates the Relative mV base value in mV This base value is based on your pre selected value during calibration for REL mV measurement If REL mV has not been calibrated or under default conditions the primary display reads 0 mV Figure 31 Temperature of the last calibration performed Figure 32 Relative mV base value ...

Страница 36: ...tion desired See Figure 33 2 Press CON key to continue to P3 1 9 3 2 P3 1 Ready selection Activation of the READY option ensures that the READY indicator is displayed when the electrode reading has stabilized The stabilization tolerances for the various measurement ranges are as indicated below Under default conditions i e when the SETUP mode is not programmed the instrument has this option activa...

Страница 37: ... minutes after the last key selection This feature is useful for conserving battery power Under default condition the instrument has this option activated ON Meter will automatically switch off 20 minutes after the last key operation OFF Auto Off mode is switched off Figure 35 Select Auto off feature ...

Страница 38: ... either at 2 4 4 8 9 6 or 19 2 Kbps Under default conditions the baud rate is set to 9 6 Kbps 1 From pH or mV measurement mode press SETUP key 2 Press CON key 10 times until P4 0 3 Use MI or MR key to change different baud rate 4 Press CON key to confirm and continue to set Parity in P4 1 See Figure 36 NOTE To exit without confirming baud rate value press CAL MEAS key This will bring you back to t...

Страница 39: ...ty 1 Odd Parity 2 Even Parity Default 9 4 3 P4 2 Stop Bit The Stop Bit allows the selection of the appropriate stop bit when transmitting to other peripheral devices such as printers You can select the Stop Bit to be 1 or 2 depending upon the model and make of peripheral device The instruction manual of peripheral device should indicate the stop bit used Under default conditions the stop bit is 1 ...

Страница 40: ...one media to another before the required processing can be done With the CyberComm Portable this redundant processing can be eliminated or reduced 10 1 System Requirements To run the CyberComm Portable program the following is required 1 PC IBM Compatible XT and above with CD ROM Drive 2 EGA Monitor and above 3 Windows Operating System 95 and above 4 Connecting communication RS232C cable 10 2 Load...

Страница 41: ...37 Figure 40 Click on Browse button and locate CD ROM drive Figure 41 Locate the CyberComm Portable Setup program in the CD ROM under CyberComm Portable sub directory ...

Страница 42: ...38 Figure 42 Select Setup program and click the OPEN button Figure 43 InstallShield Wizard dialog box appears Figure 44 Click on Next button ...

Страница 43: ...39 Figure 45 Key in your name and company name and click NEXT button Figure 46 To select another Destination Directory to install the program click on BROWSE button Otherwise click NEXT button ...

Страница 44: ...40 Figure 47 Creating a new program folder Click on NEXT button Figure 48 Click on NEXT button ...

Страница 45: ...41 Figure 49 The CyberComm Portable DAS program is fully installed Click on FINISH button to end installation ...

Страница 46: ... computer s serial port and the meter s port A 1 meter RS232 cable 9 pin male to 9 pin female connector order no EC CA01M09F09 is supplied with the CyberScan pH 100 meter For additional information on the connection please refer to section 3 4 Connecting the RS232C Cable Only For CyberScan pH 100 Figure 50 Run the CyberComm Software program ...

Страница 47: ...button to enable communication between meter and computer Clear Readings To clear all data and start all over again Save Readings To save all data displayed in either dat or txt format Time Stamp To include Time and Date stamp when collecting the data Time and date information comes from the computer ...

Страница 48: ... address and updates are shown MENU Communication Settings To set communication port number baud rate speed parity and stop bits protocol Open To open previously saved data file Save To save current data captured Save As To save current data set in another format such as dat or txt Exit To exit from CyberComm Data Acquisition Software program ...

Страница 49: ... Configuration for the settings COMMUNICATION SETTINGS Connecting Use To select communication port 1 or 2 Baud Rate To select different baud rate 2400 4800 9600 or 19200 bps bits per second Parity To select different parity Even Odd or None Stop Bits To select different stop bits 1 or 2 Figure 54 Under SAVE AS menu you can save your data as dat or txt formats ...

Страница 50: ...or connection procedure 2 Switch on the CyberScan pH 100 meter and run the CyberComm Portable DAS software as indicated in Figures 50 and 51 3 Click ENABLE CONNECTION button 4 With the CyberScan pH 100 meter switched on press the PRINT key to send data to the computer See Figure 55 below 5 You can use MODE key on the meter and change to other parameter such as mV or Rel mV and print data according...

Страница 51: ...r 1 or 2 in the CyberComm Portable DAS program Your computer s COM port setting may be wrong Check your computer s hardware settings through Windows OS BIOS or any other OS and refer to computer s manual or consult with the computer s manufacturer You may have used the wrong communication cable Make sure you use the RS232C cable supplied together with the meter Part No EC CA01M09F09 Check the RS23...

Страница 52: ...y refillable electrodes 3 Store the electrode as mentioned above Storage section 11 1 1 11 1 3 Electrolyte Replacement for refillable electrodes only The reference electrolyte needs to be refilled when the electrode has been used for an extended period or when the internal electrolyte has dried up To accomplish this follow the procedure detailed below a Remove the protective rubber cap or sleeve R...

Страница 53: ...h deionized water 11 3 Electrode Activation Generally if the procedure of storage and maintenance had been closely followed the electrode can be used immediately However should the electrode response become sluggish it may be possible that the bulb has dehydrated The bulb can be re hydrated by immersing the electrode in an ideal storage solution e g buffer pH 4 solution for 1 2 hours If this fails...

Страница 54: ...emicals and performing this operation Finally test with standard calibration buffer solutions to see if the electrode yields acceptable results You may repeat steps c to f again for better response maximum 3 times If the response does not improve then the electrode has completed its useful life Replace with a new electrode ...

Страница 55: ...ter and turn it ON Return to dealer if necessary Err 3 in primary display ADC error Hardware error Turn OFF meter and turn it ON Return to dealer if necessary Err 4 in primary display Keypad error One or more keys on the keypad are stuck Turn OFF meter and turn it ON Return to dealer if necessary Err Annunciator Wrong keypad input Wrong input in selected mode Release key Select valid operations de...

Страница 56: ...yte in electrode 2 Broken electrode 3 External noises or induction e g electrical noise caused by a nearby motor 4 Dirty electrode 1 Fill electrode with reference electrolyte 2 Replace electrode 3 Remove or switch off interfering device 4 Clean the electrode Rejuvenate if necessary Slow responses 1 Dirty electrode 1 Clean electrode Rejuvenate if necessary Meter is not responding to key press 1 HOL...

Страница 57: ... internal electrode that contains a reference solution of pH 7 When the electrode is placed in a pH 7 solution the pH values within and outside the electrode are the same and no potential ought to be produced In practice however an electric potential called asymmetry potential is generated It has been shown that asymmetry potential varies with the pH of the solution in contact with the glass with ...

Страница 58: ...reduce these factors it is important to ensure that the temperature of the standard calibrating solution and the sample solution are the same 14 2 Use of Standard pH Buffers Standard pH buffer solutions are used to calibrate or standardize a pH meter before you measure the pH of a sample They serve as reference standards for the basis of comparison between measurements The more common standard buf...

Страница 59: ...rated Calcium Hydroxide Solution 0 1 67 4 01 7 12 10 32 13 43 5 1 67 4 01 7 09 10 25 13 21 10 1 67 4 00 7 06 10 18 13 00 15 1 67 4 00 7 04 10 12 12 81 20 1 68 4 00 7 02 10 06 12 63 25 1 68 4 01 7 00 10 01 12 45 30 1 69 4 01 6 99 9 97 12 29 35 1 69 4 02 6 98 9 93 12 13 40 1 70 4 03 6 97 9 89 11 99 45 1 70 4 04 6 97 9 86 11 84 50 1 71 4 06 6 97 9 83 11 70 55 4 08 6 97 9 81 60 4 10 6 98 9 79 70 4 12 ...

Страница 60: ...able length EC FE72522 01B General purpose epoxy body pH combination electrode double junction 12x110 mm 1 m cable length EC FE73528 01B 3 in 1 pH Temperature ATC combination epoxy body electrode 12x110 mm 1 m cable length EC CA01M09F09 CyberScan to PC communication cable 9 pin male to 9 pin female connector 1 m cable length EC DA 2000 DAS Windows version CyberComm Portable for CyberScan pH 100 CO...

Страница 61: ...PC BT Protein cleaning solution for pH electrode EC RE 005 Storage solution for pH electrode EC ORP PRE Pre treatment solution for ORP measurement 475 mV 480 ml bottle EC ORP QUIN Quinhydrone 255 255 mV 15 mV 25 ºC for ORP measurement EC ORP QUIN086 Quinhydrone 86 86 mV for ORP measurement Note pH buffer solutions 480 ml bottle have 0 01 pH accuracy at 25 C Sachets are individually sealed single u...

Страница 62: ...s EC FG73792 Surface measurements such as paper skin textile leather and agar plates EC FG72520 Solid or semi solid samples such as cheese meats fruits bread etc EC FG63511 Portable pH meters school and field use EC FE73526 Micro samples semi micro curettes and NMR tubes EC FG43901 Test tube measurements EC FG63507 Reference contamination problems EC FG73701 Measurements in long narrow vessels EC ...

Страница 63: ... points No Of pH Buffer Values 3 5 pH Buffer Options pH 4 01 7 00 10 01 pH 1 68 4 01 7 00 10 01 12 45 Relative mV functions Yes Relative mV offset display Yes Slope Display Yes Offset Display Yes Memory 16 data sets Outputs RS232C Auto Shut off Yes 20 minutes Selectable Averaging Stability READY Yes Selectable Display Dual LCD Dual LCD Hold Function Yes Yes ATC Function 0 0 to 100 0 C 0 0 to 100 0...

Страница 64: ...R 1 68 4 01 7 00 10 01 12 45 Viewing only No calibration performed P 2 3 Last pH Calibration Temperature Viewing Only 25 0 C P 2 4 Relative mV Offset Viewing Only 0 00 mV P 3 0 Resolution pH mode MI MR 0 1 0 01 0 01 P 3 1 READY Selection MI MR ON OFF ON P 3 2 Auto Shut Off MI MR ON OFF ON P 4 0 Baud Rate MI MR 2 4 4 8 9 6 19 2 Kbps 9 6 Kbps P 4 1 Parity MI MR 0 1 2 none odd even 2 even P 4 2 Stop ...

Страница 65: ...roducts will be repaired on a charged basis Exclusions The warranty on your instrument 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 Return of Items Authorization must be obtained from our Customer Service Department or authorized distributor before ret...

Страница 66: ...62 NOTES Date Time Recorded Value Remarks ...

Страница 67: ...Eutech Instruments distributor or visit our website listed below Manufactured by Eutech Instruments Pte Ltd Blk 55 Ayer Rajah Crescent 04 14 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0863 E mail marketing eutechinst com Web site http www eutechinst com Distributed by ...

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