Laboratory & Field Instrumentation from WTW

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Posted by Pemilik | Posted in pH Meter | Posted on 12-03-2011

Laboratory & Field Instrumentation

WTW offers the world’s most complete line of pH/ORP, D.O./ BOD/Respirometry and Conductivity Instruments, Turbidity Meters and Photometers including reagents. WTW systems range from rugged waterproof, portable field meters to an integrated line of laboratory instruments and accessories, as well as completely new multi-parameter instruments with state-of-the-art technology.

The new ProfiLine portable single parameter instruments feature new technology and combine simple, easy-to-use features with exceptional durability for extreme conditions. The MultiLine® multi-parameter instruments, with high-resolution graphic display, feature extreme durability for measurements in a variety of applications where parameters can be measured sequentially or simultaneously.

The new digital IDS sensors convert the measuring values directly in the sensor and transfer the digital signals to the measuring instrument, delivering precision and convenience.

WTW offers premium optical technology instruments with the spectrophotometers of the photoLab® 6000 series for the UV and VIS range.

pH electrodes

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Posted by Pemilik | Posted in pH Meter | Posted on 12-03-2011

SenTix® pH electrodes for every application

SenTix® quality electrodes by WTW – convenient measurement and precision.

  • Low-resistance glass membranes guarantee stable measuring signals even at low temperatures.
  • Silver ion-free reference electrolyte, together with the proven platinum wire diaphragm, prevent measurement problems by precipitating silver compounds.
  • Functional slide for accessing the refill opening for electrodes with liquid electrolyte.
  • Typical connections: Waterproof DIN connector, BNC connector, fixed cable (1 or 3 m) or connector head (S7 or SMEK).

Low-maintenance pH electrodes with gel electrolyte

  • SenTix® 20
  • SenTix® 21
  • SenTix® 21-3
  • SenTix® 22
  • SenTix® 41
  • SenTix® 41-3
  • SenTix® 42
  • SenTix® F
  • SenTix® F-3

Ideal for portable measurements, as well as for routine measurements in-the-laboratory. With or without built-in temperature probe all electrodes have robust plastic shafts and a low-maintenance gel reference system.
New: The SenTix® F with temperature-stable iodine/iodide system, specifically for measurements at changing temperature conditions.

SenTix® all given models above
pH 0 …14 pH
°C 0 … 80 °C

Fast and precise – pH electrodes with liquid electrolyte

  • SenTix® 51
  • SenTix® 52
  • SenTix® 60
  • SenTix® 61
  • SenTix® 62
  • SenTix® 81
  • SenTix® 82
  • SenTix® 91
  • SenTix® 92
  • SenTix® L

For demanding measurements in-the-laboratory. SenTix® electrodes with liquid electrolyte, an easy-to-clean glass shaft and platinum diaphragm can be used even for complicated samples. For those who need an electrode with liquid electrolyte for a portable measurement: The SenTix® 51/52 with plastic shaft, built-in temperature probe and ceramic diaphragm is suited for nearly any measuring task.

SenTix® 51/52 60/61/62 81/82 91/92 L
pH 0 …14 pH 0 …14 pH 0 …14 pH 0 …14 pH 0 …14 pH
°C 0 … 80 °C 0 …100 °C 0 … 100 °C 0 … 100 °C 10 … 100 °C

Spezialisten für alle Fälle – pH-Elektroden für Sonderanwendungen

  • SenTix® H
  • SenTix® HW
  • SenTix® HWS
  • SenTix® SP
  • SenTix® SP-DIN
  • SenTix® Sur
  • SenTix® FET-D
  • SenTix® FET-B

  • SenTix® Mic
  • SenTix® Mic-D
  • SenTix® Mic-B
  • SenTix® RJS
  • SenTix® pH
  • SenTix® R
  • SenTix® B
  • SenTix® V

Special samples need special electrodes. SenTix® Special Electrodes can take on the challenges associated with measuring the pH value of surfaces, solids, suspensions, emulsions, low ionic samples, smallest volumes and more. For those who require a non-glass electrode: The SenTix® FET can be used with every WTW pH meter.

SenTix® H HW HWS SP(-DIN) Sur FET-D/FET-B
pH 0 …14 pH 0 …14 pH 0 …14 pH 2 …13 pH 2 …13 pH 0 … 14 pH
°C 0 … 80 °C 0 … 60 °C -5 … 100 °C 0 … 80 °C 0 … 50 °C 0 … 60 °C

SenTix® Mic Mic-D/Mic-B RJS pH R B V
pH 0 …14 pH 0 …14 pH 2 … 13 pH 0 … 14 pH 0 … 14 pH
°C 0 … 100 °C -5 … 100 °C 0 … 80 °C 0 … 80 °C -5 … 100 °C -5 … 100 °C 0 … 80 °

Benchtop pH Meters

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Posted by Pemilik | Posted in pH Meter | Posted on 12-03-2011

inoLab® pH Benchtop Meters

inoLab® pH 720 – simple and reliable

  • Routine meter for precise measurement values (0.001 pH)
  • Large display
  • Easy-to-clean membrane keypad

Easy-to-use routine laboratory pH/mV meter with large multi-functional display for pH and temperature, automatic temperature compensation, and MultiCal® calibration system. For battery or line power operation.

pH -2.000 … +19.999 pH
-2.00 … +19.99 pH
mV -999.9 … +999.9 mV
-1,999 … +1,999 mV
Temperature -5.0 … +105.0 °C

inoLab® pH 730 – compact and precise

  • Supports all GLP needs
  • Optional built-in printer
  • Data logger with memory for 800 data sets

Precision pH/mV meter with large multifunctional display for pH and temperature, automatic temperature compensation, MultiCal® calibration system, built-in measurement storage with GLP-conforming documentation and digital interface. Shown with optional built-in printer.

pH -2.000 … +19.999 pH
-2.00 … +19.99 pH
mV -999.9 … +999.9 mV
-1,999 … +1,999 mV
Temperature -5.0 … +105.0 °C

inoLab® pH 740 – flexible and powerful

  • Computer-controlled precision meter
  • EMC-stabilized
  • Upgradeable firmware/software

High-performance pH/mV/ION meter with graphic display and digital recorder function for pH, temperature and ion- selective measurement, automatic temperature compensation, high resolution (0.001 pH), MultiCal® calibration system, built-in measurement storage with GLP-compliant documentation and digital interface. PC keyboard interface for connect- ing an external keyboard or barcode reader. Includes software for direct control by PC. Built-in printer option available.

Additional features

  • 5-point calibration
  • Selectable buffers
  • Real-time graphic display
  • Built-in digital recorder
  • Connection for bar-code reader or PC keyboard
  • User selectable languages
  • Multi-level GLP functions
    - Password-protected operator levels
  • Free-of-charge downloads for MultiLab® pilot or terminal

pH -2.000 … +20.000 pH
-2.00 … +20.00 pH
mV -999.9 … +999.9 mV
-2,000 … +2,000 mV
Temperature -5.0 °C … +105.0 °C

Portable pH Meters

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Posted by Pemilik | Posted in pH Meter | Posted on 09-03-2011

Portable Meters ProfiLine pH 3110

  • pH or ORP measurements
  • 3-point calibration
  • Built-in calibration timer

The pH 3110 is the right choice for those looking for a simple, rugged and waterproof device for portable pH measurement. The keypad with only 6 buttons and the automatic AutoRead function for reproducible measured values provide safe pH measurements and prevent errors.

pH -2.000 … +19.999 ±0.005 pH
mV -1200.0 … +1200.0 ±0.3 mV
-2000 … +2000 ±1 mV
Temperature -5.0 … +105.0 ±0.1 °C

Portable Meters ProfiLine pH 3210/3310

  • 22 buffer pre-programmed sets
  • CMC for measuring in the optimum measuring range
  • 5-point calibration

A convenient pH/mV instrument for many applications: The pH 3210 is a portable precision pH/mV meter with an intuitive user interface. The unique Continuous Measurement Control (CMC) feature ensures that measured values and calibration ranges are within the optimum range, particularly useful for someone less familiar with pH measurements.
The pH 3310 is an elegant combination of a portable meter and data logger for those who automatically save measurement data and want to further process data on a PC. Measurement characteristics and ease-of-use correspond to those of the pH 3210.

pH -2.000 … +19.999 ±0.005 pH
mV -1200.0 … +1200.0 ±0.3 mV
-2500 … +2500 ±1 mV
Temperature -5.0 … +105.0 ±0.1 °C

Field Meter ProfiLine pH 1970i

  • Robust, shockproof
  • Fully waterproof
  • Standard pH measurement and pH measurement down to depths of 100 m

All WTW meters in the ProfiLine pH 1970i series are both waterproof (IP 66) and submersible (IP 67). In addition, these units float, a convenient feature when used in field applications at lakes or streams. With GLP memory functions, real-time clock, a display corresponding to the recorder output, 800 data records memory capacity, a carry handle and strap.
The ProfiLine 1970i, supplied with integrated powerful NiMH rechargeable batteries, is a complete pH measuring system. When used with the TA 197 pH Depth Armature, the ProfiLine 1970i, with its built-in preamplifier, is accurate to a depth of 100 m.

pH -2.00 … +19.99 pH
mV -199.9 … +199.9 mV
-1999… +1999 mV
Temp. -5.0 … +105.0 °C

VARIO® pH

You notice it immediately: in addition to its ergonomic form, the new VARIO® has no keys. The innovative touch screen allows access to all functions with one-touch simplicity.

pH -2.00 … 16.00