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.

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.

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

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.

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.

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

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.

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.

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.

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.