pH-Electrodes

pH micro combination electrode glass shaft and liquid electrolyte. With plug head (AS/DIN or AS/BNC cable combination please order separately).

Specifications
Temperature range:	0 to 100°C
pH range:	0 to 14pH
Length // diam.:	40/80mm // 12/5mm
Electrolyte:	Liquid, KCl 3mol/l
Diaphragm:	Ceramic
Membrane shape:	Cylindical
Membrane resistance at 25°C:	< 700MΩ

Accessories Accessories for combination electrodes Accessories Electrode stand Alternative pH combination electrode, gel electrolyte, SenTix® Alternative pH combination electrodes, liquid electrolyte, SenTix®, refillable Alternative pH combination electrode, SenTix® H / SenTix® HW, refillable

pH electrodes with glass shaft and polymer electrolyte. With plug head (AS/DIN or AS/BNC cable combination (please order separately).
For surface measurements.

Specifications
Temperature range:	0 ... 50 °C
pH range:	2 ... 13 pH
Length / diam.:	120mm / 12mm
Electrolyte:	Polymer
Diaphragm:	Split ring
Membrane shape:	Flat
Membrane resistance at 25 °C:	<1GΩ

Accessories Accessories for combination electrodes Accessories Electrode stand Alternative pH combination electrode, gel electrolyte, SenTix® Alternative pH combination electrodes, liquid electrolyte, SenTix®, refillable Alternative pH combination electrode, SenTix® H / SenTix® HW, refillable

Due to the intuitive operation and robust aluminum housing the pH-Meter LAB 845 is perfect for training and routine purposes.

• Made in Germany
• USB Interface
• Data logger (storage of up to 4000 entries: Date, time, main measured value, secondary measured value, measured temperature) with adjustable interval
• Nummerical password protection
• Selectable user language (German, English, French and Spanish)
• Configurable turn-off time
• Sturdy aluminium housing
• Graphic LCD display, backlit

Scope of supply: pH meter, stand, mains adapter, electrode as indicated, 6 DIN buffers (2 x pH 4.01, 2 x pH 6.87, 2 x pH 9.18)

Specifications	Measuring range // Resolution // Accuracy
pH:	0 - 14 // 0.01 // ±0.01 (± 2 at calibration point)
mV:	-1999 ... 1999 mV // 1 mV // ±0.3 mV
ISE:	0 ... 30000 ppm
Temperature:	-10 ... 100 °C // 0.1 °C // ±0.1 °C
Temperature compensation:	automatic with PT1000 or fix temperature

• Maintenance-free, combination pH puncture electrode
• Especially for use with solid and semisolid samples
• Ideally suited for measurements in meat and cheese
• SINGLE PORE makes clogging of the diaphragm practically impossible
• Serial number, certificate

Specifications
Temperature range:	0 ... 60 °C
pH range:	0 ... 14
Electrolyte:	Polisolve (maintenance-free)
Shaft material:	Glass
Diaphragm:	2 x Single Pores
Reference system:	Ag/AgCl
Temperature sensor:	No
Electrical connection:	S7 connector head

• Easy-to-clean, combination glass electrode with sleeve diaphragm
• Ideally suited for viscous samples, ion-weak media, or media containing protein (e.g. cosmetics)
• For samples containing protein, the electrolyte should be replaced with Protelyte (6.801 556)
• Serial number, certificate

Specifications
Temperature range:	-10 ... 80 °C
pH range:	0 ... 14
Electrolyte:	3M KCl (refillable)
Shaft material:	Glass
Diaphragm:	Sleeve diaphragm
Reference system:	Everef
Temperature sensor:	No
Electrical connection:	S7 connector head

Accessories Electrolyte solutions for pH electrodes Accessories

• Robust, combination pH electrode for measurements in media containing proteins
• 3 ceramic diaphragms guarantee quick and accurate measurements
• Easy to clean
• Long-term-stable, thanks to EVEREF system
• Serial number, certificate

Specifications
Temperature range:	-10 ... 100 °C
pH range:	0 ... 14
Electrolyte:	Protelyte (refillable)
Shaft material:	Glass
Diaphragm:	3 x ceramic
Reference system:	Everef
Temperature sensor:	No
Electrical connection:	S7 connector head

Accessories Electrolyte solutions for pH electrodes Accessories

• Maintenance-free, excellent value, pH electrode for less rigorous applications
• Serial number, certificate

Specifications
Temperature range:	-10 ... 60 °C
pH range:	0 ... 14
Electrolyte:	Gel (maintenance-free)
Shaft material:	Glass
Diaphragm:	Ceramic
Reference system:	Ag/AgCl
Temperature sensor:	No
Electrical connection:	S7 connector head

For ion-weak samples like ultra-pure water, deionized water.
pH-combination electrode with glass shaft, ARGENTAL™ reference system with Ag⁺trap and MultiPin™ electrode head.

Cable - please order separately.

Specifications
Temperature range:	0 ... 80 °C
pH range:	0 ... 11 pH
Temperature sensor:	NTC 30 kΩ
Length / Diam.:	170 mm / 12 mm
Electrolyte:	Fluid, KCl 3 mol/l
Diaphragm:	Glass sleeve
Membrane resistance at 25 °C:	< 50 MΩ

• Robust, combination pH electrode for daily laboratory use
• Universally applicable, in strong acids as well as in strong bases
• Ideally suited for acid/base titrations
• Serial number, certificate

Specifications
Temperature range:	-10 ... 100 °C
pH range:	0 ... 14
Electrolyte:	3M KCl (refillable)
Shaft material:	Glass
Diaphragm:	Ceramic
Reference system:	Everef
Temperature sensor:	No
Electrical connection:	S7 connector head

• Combination pH electrode with shaft diameter 3mm for measurements in very small volumes, e.g. vials
• Long-term-stable EVEREF system
• Requires an immersion depth of only 7mm
• Serial number, certificate

Specifications
Temperature range:	0 ... 100 °C
pH range:	0 ... 14
Electrolyte:	3M KCl (refillable)
Shaft material:	Glass
Diaphragm:	Ceramic
Reference system:	Everef
Temperature sensor:	No
Electrical connection:	S7 connector head

• Maintenance-free, robust, combination easy-to-use pH electrode
• Universally applicable, well suited for measurements in emulsions and suspensions
• Thanks to the SINGLE PORE clogging of the diaphragm is practically impossible
• Serial number, certificate

Specifications
Temperature range:	-10 ... 80 °C
pH range:	0 ... 14
Electrolyte:	Polisolve (maintenance-free)
Shaft material:	Glass
Diaphragm:	Single Pore
Reference system:	Everef-B
Temperature sensor:	No
Electrical connection:	S7 connector head

• Robust, maintenance-free, combination pH electrode
• Shatter-proof plastic shaft
• Exellent for water and sewage
• Serial number, certificate

Specifications
Temperature range:	0 ... 60 °C
pH range:	0 ... 14
Electrolyte:	Polisolve (maintenance-free)
Shaft material:	Plastic
Diaphragm:	Single Pore
Reference system:	Ag/AgCl

With glass shaft, Silamid^® reference system and plug head.

Specifications	N 6180 // N 6280
Temperature range:	-5 ... 100 °C
pH range:	0 ... 14 pH
Length / diam.:	170 mm / 12 mm // 120 mm / 12 mm
Electrolyte:	KCl 3 mol/l
Diaphragm:	Ceramic
Membrane shape:	Sphere

With glass shaft, Silamid^®-reference system with silver ion barrier and double-electrolyte, electrolyte KCl 3 mol/l, banana plug. pH range 0 to 14 pH. SCPpHT-A170MF-3M-DIN-N additionally with ID function.

Alternative pH-Electrodes ScienceLine

2-electrode measuring cells made of PP with Ultem housing and stainless steel rings. For fast and precise conductivity and temperature measurements in the field and laboratory.

Measuring range:	0 ... 150 mS
Temperature range:	0 ... 80 °C
Cell constant:	K = 1.0
Temperature compensation:	ATC
Length / Ø:	144 x 16 mm

Rugged puncture electrode for pH measurements in food industry, e.g. for direct measurements in meat, sausage and cheese. With polymer shaft and S7 plug.

Please order cable separately.

Specifications
Temperature range:	0 ... 80 °C
pH range:	2 ... 11
Diameter:	6 mm
Electrolyte:	Xerolyt
Diaphragm:	Open aperture junction

Combination electrodes with temperature compensation, suitable for a variety of applications.

• For use with Versa Star-, Star A- and Dual Star pH meters
• With robust epoxy body

Specifications
pH range:	0 ... 14
Length / Ø:	120 mm / 12 mm
Reference system:	ROSS
Connection type:	BNC, 8-pin MiniDIN

DG electrodes are used for pH measurement and titration in difficult samples, low ionic and non-aqueous media.

DM electrodes with silver and platinum rings are suitable for redox titration with and without pH change, e.g. argentometry and Karl Fischer titration.

Plug & Play capable electrodes are automatically recognised by METTLER-TOLEDO pH meters and electrode type, serial number, calibration data and operating hours can be read out and processed by the software.
DG111-SC: For pH measurement and acid/base titration in aqueous media. With S7 screw cap and detachable cable. ARGENTHAL™ reference system.

DGi111-SC: Same as DG111-SC, with Plug & Play functionality.

DG113-SC: For pH measurement and titrations in non-aqueous media. With S7 screw cap and detachable cable. Ag/AgCl/LiCl reference system.

DGi113-SC: Same as DG113-SC, with Plug & Play functionality and ARGENTHAL™/LiCl reference system and improved chemical resistance.

DGi114-SC: For pH measurements and acid/base titrations in clogged and protein or sulfide containing samples. With Plug & Play functionality and ARGENTHAL™ reference system.

DG115-SC: For pH measurements and acid/base titrations in aqueous media. Suitable for use in polar solvents, e.g. titration with perchloric acid in acetic acid or with sodium methylate in methanol and other media with low ion concentration. With S7 screw cap and ARGENTHAL™ reference system.

DGi115-SC: Same as DG115-SC, with Plug & Play functionality.

DGi116-Solvent: Especially suitable for acid/base titrations that require fast response times in non-aqueous media, e.g. TAN/TBN determinations in oils, titrations with perchloric acid, cyclohexylamine and alcoholic HCl, alkalis or Na-Methylate. For determination of epoxy numbers, acid values and saponification numbers, also free fatty acids in polymers, oils/fats and resins. With Plug & Play functionality and ARGENTHAL™/LiCl reference system.

DGi117-Water: For pH measurement and acid/base titrations in aqueous solutions of low ion conductivity and low buffer capacity. With integrated Pt1000 temperature sensor. Suitable for measurements in rain-, surface- and drinking water. With Plug & Play functionality and ARGENTHAL™/LiCl reference system.

Accessories Connection cables

Low-maintenance, pressure-resistant pH electrode with built-in PT 1000 temperature sensor for temperature compensation.

• Robust version with plastic housing
• For use in industrial waters and waste waters
• Also suitable for heavily soiled samples
• Waterproof VarioPin connector (IP68)

Please order connection cable separately.

Specifications
pH range:	2 ... 12
Temperature range:	0 ... 60 °C
Reference system:	Argenthal®
Pressure resistance:	2 bar
Diaphragm:	Open junction
Shaft diameter:	12 mm
Connection:	VarioPin

General purpose plastic-body pH electrode. Used with all pH meters with BNC input connector.

Specifications
Temperature range:	0 ... 80 °C
pH range:	0 ... 13
Temperature sensor:	no
Length / Diam.:	90 x 12 mm
Electrolyte:	Reference Electrolyte
Diaphragm:	Porous HDPE pin

With built-in NTC 30 kOhm sensor and 2 x 4 mm banana plug.

Alternative pH electrodes, SenTix® Mic, refillable Alternative pH combination electrode, gel electrolyte, SenTix® Alternative pH combination electrodes, liquid electrolyte, SenTix®, refillable Alternative pH combination electrode, SenTix® H / SenTix® HW, refillable

General purpose plastic-body pH electrode. Ag/AgCl reference type. For use with all pH meters with BNC input connector.

Specifications
Temperature range:	0 … 80 °C
pH range:	0 … 13
Lenght / Ø:	90 x 12 mm
Liquid junction type:	Porous HDPE pin
Membrane shape:	Cylindrical

With temperature sensor Pt 1000, ID function, glass shaft, Silamid^® reference system, DIN plug, 1 m fixed cable and 4 mm plug.

Specifications
Temperature range:	-5 ... 80 °C
pH range:	0 ... 14 pH
Length / diam.:	120 mm / 12 mm
Electrolyte:	KCl 3 mol/l
Diaphragm:	3 x ceramic
Membrane shape:	Sphere