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    • Mr. Pharwat ( General manager)     TEL 095-614-1554
    • Mr. Chollophat ( Sale manager ) TEL 087-804-4747
    • Mr. Narumon ( Human resoucer )           TEL 081-628-5060
    • Charanassociate co. ltd (office) TEL 02-1851383-4 , 02-712-5619-20
    • Charanassociate co. ltd (Sale department)TEL 094-478-8647

  Whose registered address is at  723/2 Soi Thonglor
  Sukhumvit55  Road, Khongtan -nue ,Wattana, Bangkok 10110 
  Thailand. The company has been  operating since 1982 which is 
  about 34 years from now.  Our main business is the distribution 
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Product/Service >> PH/CON/DO Meter >> PH/ISE meter - WTW

PH/ISE meter - WTW - คลิกที่นี่เพื่อดูรูปภาพใหญ่

PH/ISE meter - WTW


PH/ISE meter - WTW

Code: 000703
ติดต่อ 02-7125619


inoLab® Laboratory ISE Benchtop Meters

inoLab® pH/ION 735 – pH, mV and ISE measurements with a single instrument


  • Precise pH and ISE measurement
  • Advanced incremental methods
  • Menu-driven user interface

Whether routine measurements or demanding analysis, the pH/ION 735 is the ideal precision instrument for all uses. A graphical user interface makes high-resolution pH and ISE measurement easy and convenient. 5-point calibration for pH and up to 7 calibration points for ISE measurements guarantees a high-precision measurement by calculating non-linear calibration curves. The Model pH/ION 735 has user defined method capability as well as preprogrammed incremental techniques.

For those who need to document their results: a data logger with storage for 4,500 entries, bi-directional RS 232 interface, real-time clock, and GLP-supporting calibration protocols, as well as date, time and selectable sample identification number identify all data sets.

This instrument is also available with a built-in printer.

pH -2.000 ... +20.000 pH
mV -999.9 ... +999.9 mV
-2000 ... +2000 mV
Temperature -5 ... +105 °C/0.1 °C
Concentration 0.000 ... 10.000 mg/l
0.00 … 100.00 mg/l
0.0 … 1000.0 mg/l
0 … 2000 mg/l

inoLab® pH/ION 740 – flexible and powerful


  • Advanced incremental methods
  • Free software downloads
  • Comprehensive documentation options

High-performance pH/mV/ISE meter with graphic display and digital recorder function for pH, temperature and ionselective measurement, automatic temperature compensation, high resolution (0.001 pH), MultiCal® calibration system, built-in measurement storage with GLP-conform documentation and digital interface. PC keyboard interface for connecting an external keyboard or barcode reader, and software for direct control by PC are included. Built-in printer option is available.


  • 5-point pH calibration by linear regression
  • Selectable buffer sets
  • Graphic evaluation possible
  • Built-in digital recorder
  • Connection for barcode reader or PC keyboard
  • User selectable languages
  • Multi-level GLP functions (password-protected operator levels)
  • Free-of-charge downloads for MultiLab® pilot or terminal
  • Four to seven point ISE calibration with a modified Nikolski algorithm
  • Known addition, double-known addition and known subtraction
  • Sample addition/subtraction
  • Blank value addition

pH -2.000 ... +20.000 pH
mV -999.9 … +999.9 mV
-2000 ... +2000 mV
Temperature -5 ... +105 °C/0.1 °C
Concentration Measuring range 1 (Resolution): 0.000 … 9.999 (0.001) mg/l
Measuring range 2: 0.00 … 99.9 (0.01) mg/l
Measuring range 3: 0.0 … 999.9 (0.1) mg/l
Measuring range 4: 0 … 1999 mg/l

inoLab® pH/ION/Cond 750 – Premium instruments from WTW:


  • Two galvanically isolated pH/mV/ISE inputs
  • Menu-operated with back-lit graphic display
  • One pH and one ISE calibration record per each input

Two galvanically isolated inputs allow independent measurements of pH-value, ORP or ion concentration. For accurate measurements along the characteristic curve of the electrode, it is possible to carry out calibrations with up to seven standard solutions. The calculation of the calibration curve by using a modified Nikolski algorithm also takes the non-linear parts of the curve into account. The following methods are used to evaluate the ionic concentration:

  • Known addition/known subtraction
  • Sample addition/sample subtraction
  • Double known addition
  • Blank value correction
  • Known addition with blank value correction
  • Reference measurement

This instrument also features the option for conductivity measurements. Not only can specific resistance, salinity, and TDS be determined, but also sample-specific temperature coefficients. A wide range of additional functions like data administration, PC-operation using MultiLab® pilot, GLP-compliant calibration and data recording make this instrument essential in every laboratory.

pH -2 ... 20.000 pH
-2.00 ... 20.00 pH
mV -999.9 ... +999.9 mV
-2000 ... +2000 mV
Concentration (mg/l) 0.000 … 10.000
0.00 … 100.00
0.0 … 1000.0
0 … 2000
Temperature -5 ... +105 °C
Conductivity 0.0 µS/cm ... 2000 mS/cm
in 5 ranges or AutoRange,
0.00 µS/cm ... 20.00 µS/cm (K=0.1 cm-1)
0.000 µS/cm ... 2.000 µS/cm (K=0.01 cm-1)
Salinity 0.0 ... 70.0
TDS 0 ... 2000 mg/l
Spec. resistivity 0.00 ... 2000 MOhm

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