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MEASUREMENT PROCEDURES

1. The meter is powered by 4 AAA batteries. Install batteries or

connect an AC adapter to the power jack on the side of the meter.

2. Connect a sensor probe to the BNC connector on top of the meter.

3. For the pH probe with temperature sensor, also connect the plug
into the jack to the right of the BNC connector.

4. Connect the USB cable to the meter and computer to upload
measurements for computer analysis.

Available measurement parameters of each probe:

pH

mV

pH Probe

Yes

Yes

ORP Probe

N/A

Yes

IMPORTANT:

The temperature of the measured liquid must be stable.

pH Measurement

This  meter  is  designed  to  take  readings  with  automatic  or  manual
temperature  compensation.  Automatic  temperature  compensation
only  occurs  when  a  temperature  sensor  is  plugged  into  the  meter.
For  manual  temperature  compensation,  the  default  setting  is  25°C.
It  is  also  possible  to  manually  adjust  the  temperature  to  match  your
working conditions, as measured by a separate thermometer.
To take measurements:

1. Remove the pH probe soaker bottle by rotating the bottle and
cap and slide the bottle and cap o

ႇ the probe. Rinse the probe

tip with de-ionized or distilled water before use. If the probe tip is
dehydrated, soak it for 30 minutes in a KCl solution.

DO NOT

wipe

the pH probe dry. Wiping the probe may cause static and cause
calibration and measurement instability.

2. Press

POWER

to turn on.

ATC

appears to indicate that the automatic

temperature compensation probe is connected and working properly.

3. Immerse the probe tip (glass bulb) completely into the sample.

4. Stir the probe gently to create a uniform sample.

5. Wait until the reading has stabilized.
If selected in setup,

“READY”

illuminates to indicate a stable reading.

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Содержание SP-850055

Страница 1: ...Advanced pH Meter Advanced pH Meter Kit SP 850055 SP 850056 Instruction Manual ...

Страница 2: ...ter reads the pH balance of alkalinity and acidity and ORP oxidation reduction potential in the determination of water quality in labs industrial and municipal waste water aquariums fish hatcheries environmental testing and other applications FEATURES Multi display LCD screen N I S T buffer recognition 5 points pH calibration Hold function Maximum and minimum Backlight for dark environment operati...

Страница 3: ... P7 0 Read Time Clock Setting 9 P8 0 Reset 10 5 PROBE CALIBRATION 10 6 MEASUREMENT PROCEDURES 12 pH Measurement 12 mV Measurement 499 mV 13 ORP mV Measurement 1999 mV 13 Temperature Compensation 13 Hold Function 14 Record Memory 14 Recall Memory 14 Recall Minimum Maximum 15 Backlight 15 Auto Power Oႇ 15 7 MAINTENANCE 16 8 TROUBLESHOOTING 18 9 ERROR CODES 18 10 PC CONNECTION 19 11 POWER SUPPLY 21 1...

Страница 4: ...ation mode C F are temperature units of measure CAL indicates the meter is in calibration mode KEYPAD Press to turn meter on off Press and hold for more than 1 second to enter SET mode Switch between NORMAL and CALIBRATION mode Press to enter manual temperature setting In calibration setting or recall mode press to return to normal Press to freeze reading Press again to release Press for more than...

Страница 5: ... data from the meter to the computer 1 Connect the USB cable to the right side of the meter then connect the other end of the cable with the D sub connector to the computer s serial port Run the software associated with this feature 2 Press SET for 2 seconds to enter setup The TR icon appears on the middle of the LCD display and P1 0 displays under the TR icon 3 Press MN MX AV The OUT icon flashes...

Страница 6: ...ower display 5 Press to change the status from NO on The display to YES and then press MN MX AV again to confirm clearing of all memory The LCD display will return to P2 0 when memories are deleted CAUTION THE MEMORY CLEAR PROGRAM IS DESIGNED TO CLEAR 99 MEMORIES AT ONE TIME PLEASE CONSIDER CAREFULLY IF YOU DECIDE TO CLEAR THE MEMORY AS THIS OPERATION CANNOT BE REVERSED P3 0 View Slope Offset 1 Pr...

Страница 7: ...t value The offset value is the mV value of pH 7 and the default offset value is 0 0 The offset value will be different after calibration If the value is outside the range of 60 mV replace the probe P4 0 pH Calibration Buffer This meter allows the selection of two different types of pH buffers N I S T or CUSTOM Selection of the proper buffer type more accurately calibrates the probe to specific re...

Страница 8: ... 5 Press MN MX AV to confirm and the meter will return to P4 0 P5 0 Ready Icon This feature enables disables the READY icon which indicates that the measured reading is stable 1 Press SET for 2 seconds to enter setup 2 Press to select READY on the display 3 Press MN MX AV to enter P5 1 YES will flash on the LCD display and P5 1 will appear on the lower display 4 Press to switch between YES or NO 5...

Страница 9: ... for 2 seconds to enter setup 2 Press to select RTC on the LCD display P7 0 appears on the bottom of the display 3 Press MN MX AV to enter P7 1 The year flashes in the lower right corner of the LCD display The year is the last two digits only for example 1999 would be 99 Symbol Y M D H M S Definition Yr Mo Day Hr Min Sec Range 99 12 31 23 59 59 4 Press MN MX AV to step through the following P s Al...

Страница 10: ... point make certain that the buffer value is close to the sample that will be measured and the buffer temperature remains stable 1 Press POWER to turn the meter on and press MODE to select pH mode pH appears on the LCD 2 Select the calibration buffer type N I S T or CUSTOM see page 14 Note pH 4 may be calibrated using either the N I S T recommended option or CUSTOM buffer pH 7 and pH 10 require th...

Страница 11: ...USTOM buffer Follow instructions for your selected buffer solution pH 4 Press HLD REC 4 50 appears on the secondary display Use or to adjust to 4 00 pH 7 Press HLD REC 4 50 appears on the secondary display Press HLD REC again If the secondary value does not default to 7 00 use or to adjust to 7 00 pH 10 Press HLD REC 4 50 appears on the secondary display Press HLD REC again 7 00 appears on the sec...

Страница 12: ...r is plugged into the meter For manual temperature compensation the default setting is 25 C It is also possible to manually adjust the temperature to match your working conditions as measured by a separate thermometer To take measurements 1 Remove the pH probe soaker bottle by rotating the bottle and cap and slide the bottle and cap oႇ the probe Rinse the probe tip with de ionized or distilled wat...

Страница 13: ... pH Measurement section to clean and soak the probe 2 Press POWER to turn on Press MODE to select mV measurement 3 Follow Steps 3 5 in the pH Measurement section to obtain a reading Note There is no need to take temperature compensation into consideration when using an ORP probe to measure Temperature Compensation Automatic with pH probe ATC Plug the temperature sensor connector into the jack on t...

Страница 14: ...d Mode press MEM to save the data 2 The memory number and measured value will flash and then return to Normal Mode Note Further data cannot be saved once the memory is full See Clear Memory on page 11 to create additional space Recall Memory This function recalls readings stored in the memory 1 Press REC for more than 2 seconds to enter Recall Mode REC will flash on the LCD display 2 Press to sele...

Страница 15: ...ximum value 3 To exit memory recall press REC for more than 2 seconds Backlight 1 Press any button to activate the backlight function The backlight turns oႇ automatically after 10 seconds of inactivity Auto Power Off The meter turns off automatically after 20 minutes of inactivity To override the function hold down POWER and HLD simultaneously for 2 seconds when turning the meter on until n appear...

Страница 16: ...on Always keep the pH glass bulb wet by using the plastic bottle to protect and store the probe You can also store in a KCl solution Never use distilled or de ionized water for storage Always rinse pH probe in de ionized water before using Never touch or rub the glass bulb tip Probe Testing 1 Connect the ORP probe to the meter via the BNC connector 2 Put the probe in a buffer solution of pH 7 00 w...

Страница 17: ...or 15 minutes and rinse with distilled water Probe Performance The sensing element of an ORP probe is made of a high purity metal Slow response time and inaccurate readings may be caused by the sensing element previously having been soaked in a solution for a long period of time An oxidation reduction coating may have formed on the surface of the sensing element Resolve by cleaning the element Whe...

Страница 18: ...lease HOLD function 3 Check to see if meter is in MTC if so input temperature value Slow response 1 Clean and re calibrate the probe Replace with a new probe Wrong real time Incorrect real time display will not affect the measurements Internal batteries separate from internal batteries that power the meter need replacing Contact Sper Scientific for replacement documentation ERROR CODES E02 Reading...

Страница 19: ...d follow the procedure in the operation manual located on the CD Protocol information USB protocol settings 9600 bps 8 data bits no parity Transmits ASCII code every second Normal Data pxx xxpH mxx xxmV Txxx xC F 2007 04 18 18 48 48LRCCRLF Protocol Information Errors ExxNul ExxNul ExxNul 2007 04 18 18 48 48LRCCRLF Description pH mV TpH LRC CRLF Note The first value is pH reading in pH the second v...

Страница 20: ...Format in Memory Transmit pH Mode Normal Data Pxx xxpH Txxx xC F xx 2007 04 18 18 48 48LRCCRLF Errors ExxNul ExxNul xx 2007 04 18 18 48 48LRCCRLF Description pH Temp LRCCRLF 20 ...

Страница 21: ...x xC F xx 2007 04 18 18 48 48LRCCRLF Errors ExxNul ExxNul xx 2007 04 18 18 48 48LRCCRLF Description mV Temp LRC CRLF POWER SUPPLY The meter is powered by 4 AAA batteries or a 9V external adapter Insert batteries into the battery compartment observing correct polarity and secure 21 ...

Страница 22: ...13 21 13 00 12 81 12 63 12 45 12 29 12 13 11 99 11 84 11 70 SPECIFICATIONS Parameter Range Resolution Accuracy pH 0 to 14 0 01 0 02 pH mV 499 to 499 0 1 mV 0 2 mV 199 9 to 199 9 199 9 to 199 9 otherwise 1mV otherwise 2 mV ORP 199 9 to199 9 0 1 mV 0 2 mV 199 9 to 199 9 199 9 to 199 9 otherwise 1mV otherwise 2 mV Temp F 23 to 176ºF 0 1º 2 ºF Temp C 5 to 80ºC 0 1º 1 ºC Operation temperature 5 C to 40...

Страница 23: ... P2 1 CLR Confirm no no yes P3 0 Electrode ELE P3 1 3 4 Slope 100 0 Slope value P3 5 Offset 0 0 mV Offset value P4 0 Buffer Solution buF P4 1 Select Buffer NIST nist cust P6 0 Ready Function rdy P6 1 Enable or yes no yes Disable P7 0 Temp Unit U P7 1 Select C or F C C or F P8 0 Real Time Clock rtc P8 1 8 6 Setting YMD rtc HMS P9 0 Reset no rst P9 1 Reset Confirm no no yes 23 ...

Страница 24: ...se or abuse of the product Opening the meter to expose its electronics will void the warranty To obtain warranty service Contact your Distributer Scigiene Corporation Tel 416 261 4865 Email support scigiene com The defective unit must be accompanied by a description of the problem and your return address rev 9 1 2017 24 ...

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