$150 - $200, Apera Instruments

PH60S-E Replacement Probe for PH60S Food pH Tester by Apera

The Apera Instruments PH60S-E is the replacement probe for PH60 series pocket pH testers, including PH60S, PH60F, PH60, and PC60. This probe adopts a Swiss sensor technology, featuring a spear glass membrane with a long life reference system, ideal for pH testing for cheese, meat, fruit, bread, sushi-rice, solid growth medium, soil, and other solid/semi-solid samples. Also works well for common water solution testing. CE-Certified and comes with a 6-Month Warranty.

• Measuring Range: -2.00 - 16.00 pH, 0 - 50°C
• Tapered glass membrane, made for solid sample testing such as cheese, meat, soil, etc
• Swiss sensor technology: long life reference system with polymer electrolyte
• Double junction without diaphragm

PC60-Z Smart Pocket pH/Conductivity/TDS/Salinity/Resistivity Tester Kit by Apera

• The next-generation tester designed for seamless water test experience. Professional measurements for pH, conductivity (EC), ORP (ORP probe sold separately), TDS (ppm), salinity (ppt), resistivity and temperature now become easier than ever.
• Just connect the tester to your smartphone via Bluetooth in the ZenTest mobile App (Free download in iOS App Store/Google Play Store), the step-by-step smart guide will lead you to become a water test professional with just a few taps.
• Save and share your measurement and calibration data right on the palm of your hand via email. Data will never get lost thanks to the cloud-based data system.

AI104G GroStar GS4 pH/EC/500ppm/700ppm Combo Pen Tester Kit by Apera

GroStar® Premium Pen Testers are designed specifically for the horticultural market. GroStar's intelligent design reduces the guesswork so you can easily manage your crops success.

Features of GS4 Premium pH Pen:

• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
• Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH/EC Combo
• Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance
• Easy-to-use design and fast calibration adjustment
• Double junction replaceable probe, so you don't have to discard the entire pen when the probe reaches its end of life
• Large 3-color backlit screen gives you clear information
• Durable structure, IP67 waterproof rating
• Powered by AAA batteries with auto off function
• Automatic temperature compensation

Includes:

• 2-year warranty (instrument)
• 1-year warranty (probe)
• pH 7 & pH4 calibration solution (50ml bottle each)
• 2.77 EC calibration solution (50ml bottle)
• KCL storage solution (10ml bottle)
• Lanyard and user manual

AI3102 LabSen 221 Glass-body pH Electrode for Viscous and Low Ion Concentration Samples by Apera

Built with proprietary sensor technology and premium materials from Switzerland, Apera LabSen 221 Glass-body pH Electrode is designed for titration and low ionic strength solutions as well as general water solutions. The electrode is compatible with TRIS buffer solutions.

LabSen S-type cylindrical glass membrane - low resistance and high firmness, rendering fully stabilized readings in 15 to 30 seconds, and is yet 10 times stronger than traditional glass membranes, highly resistant to general impact, eliminating the chance of accidental breakage.

Movable Sleeve Junction - easy to clean, especially suitable for low ionic strength solutions, emulsions, and suspensions. The infiltration rate of the electrolyte can be adjusted by the tightness of the sleeve.

The electrode uses a BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera Instruments MP500) to enable ATC or manually input temperature to realize temperature compensation.

• Built with LabSen S-type glass membrane, featuring fast response and high firmness
• Movable Sleeve Junction - easy to clean, adjustable infiltration rate
• Long-Life Reference System, improving the stability of the reference and extends the electrode's service life
• No more air bubbles inside the glass membrane thanks to the Swiss blue gel electrolyte.

AI3103 LabSen 241-6 Glass-body pH Electrode for Small Samples (>0.2mL) by Apera

Built with proprietary sensor technology and premium materials from Switzerland, LabSen 241-6 Glass-body Semi-Micro pH Electrode is designed for test tubes and small-volume samples (>0.2mL).

LabSen S-type semi-micro glass membrane - 100mm in length and 6mm in diameter, low membrane resistance (<350MΩ), making reliable small-volume (>0.2mL) pH measurement easier than ever, and can be tested in high-temperature samples (up to 212°F).

Long-Life Reference System - composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of the reference system and extends the electrode's service life.

The electrode uses a BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera Instruments MP500) to enable ATC or manually input temperature to achieve temperature compensation.

• Proprietary pH sensor technology and premium materials from Switzerland
• Low-resistance LabSen semi-micro cylindrical glass membrane, suitable for test tubes and small samples (>0.2mL)
• Smallest test volume is 60µL with the use of the semi-micro container (sold separately)
• Long-Life Reference System, improving the stability of the reference and extends the electrode's service life
• No more air bubbles inside the glass membrane thanks to the Swiss blue gel electrolyte.

AI3105 LabSen 251 Glass-body Spear pH Electrode for Semi-Solid Samples by Apera

Built with proprietary sensor technology and premium materials from Switzerland, Apera LabSen 251 Glass-body pH Electrode is designed for direct pH test of semi-solid samples as well as general water solutions.

LabSen S-type spear glass membrane - low resistance and high firmness, rendering fully stabilized readings in 15 to 30 seconds, and is yet 10 times stronger than traditional glass membranes, highly resistant to general impact, eliminating the chance of accidental breakage when inserting into semi-solid samples.

Open&Ceramic double-junction with Polymer electrolyte - ensures full contact with test samples while minimizing junction clogs. No need to refill electrolyte.

Long-Life Reference System - composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of reference electrode and extends the service life of the electrode.

The electrode uses a standard BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera MP500) to enable ATC or manually input temperature to achieve temperature compensation.

• Spear sensor designed for direct pH test of semi-solid samples
• LabSen S-type glass membrane, featuring fast response and high firmness
• Open&Ceramic double-junction with Polymer electrolyte
• Long-Life Reference System - improves the stability of the reference and extends the electrode's service life

AI3106 LabSen 551 PVC-body Spear pH Electrode by Apera

Built with proprietary sensor technology and premium materials from Switzerland, Apera LabSen 551 PVC-body pH Electrode is designed for direct soil testing and soil slurry testing.

LabSen S-type spear glass membrane - low resistance and high firmness, rendering fully stabilized readings in 15 to 30 seconds, and is yet 10 times stronger than traditional glass membranes, highly resistant to general impact, eliminating the chance of accidental breakage when inserting into the soil.

Open&Ceramic double-junction with Polymer electrolyte - ensures full contact with test samples while minimizing junction clogs. No need to refill electrolyte.

Long-Life Reference System - composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of the reference system and extends the service life of the electrode.

The electrode uses a standard BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera MP500) to enable ATC or manually input temperature to achieve temperature compensation.

• Spear sensor designed for direct soil pH test and soil slurry test
• LabSen S-type glass membrane, featuring fast response and high firmness
• Open&Ceramic double-junction with Polymer electrolyte
• Long-Life Reference System - improves the stability of the reference and extends the electrode's service life

AI3107 LabSen 371 PVC-body Flat pH Electrode by Apera

Built with proprietary sensor technology and premium materials, Apera LabSen 371 POM-body pH Electrode is designed for flat surface pH measurement such as skin, paper, textiles, etc.

Special Flat Glass Membrane - LabSen 371 pH electrode adopts a flat glass membrane with PTFE ring junction, making reliable surface pH test easier than ever.

Long-Life Reference System - composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of reference system and extends the service life of the electrode.

The electrode uses a standard BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera Instruments MP500) to enable ATC or manually input temperature to realize temperature compensation.

• Proprietary pH sensor technology and premium materials from Switzerland
• Special LabSen flat glass membrane, suitable for flat surface pH measurement such as skin, textiles, paper, etc.
• Long-Life Reference System, improving the stability of reference electrode and prolong the service life of the electrode
• Anti-clogging PTFE ring junction
• No more air bubbles inside the glass membrane thanks to the Swiss blue gel electrolyte.

AI3110 LabSen 851-1 Glass-body pH Electrode for Viscous Solutions by Apera

Built with proprietary sensor technology and premium materials from Switzerland, Apera LabSen 851-1 Glass-body pH Electrode is designed for pH measurement of viscous samples such as skincare products, cosmetics, and coatings.

Silver Ion Trap Reference System+Protelyte Electrolyte - The LabSen 851-1 pH electrode adopts a Silver Ion Trap reference system and Protelyte reference solution, minimizing junction clogs.

LabSen conical glass membrane - large surface area rendering fast response, and is 10 times stronger than traditional glass membranes, saving the electrode from accidental damage.

The electrode uses a BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera MP500) to enable ATC or manually input temperature to realize temperature compensation.

• Proprietary sensor technology and premium materials from Switzerland
• LabSen conical glass membrane ideal for viscous samples
• Silver Ion Trap Reference System + Protelyte reference solution
• The blue gel electrolyte eliminating the chance of any air bubbles inside the sensor
• Lead-free glass body

AI3167 LabSen 861 Glass-body pH Electrode for High-temp. and Caustic Solutions by Apera

LabSen 861 pH electrode is designed for high-accuracy pH measurement of corrosive and high-temp. solutions such as electroplating solutions.

The special PHY membrane is highly resistant to chemical corrosions, maximizing the reliability and service life of the electrode in complex and high-temp. solution testing.

The electrode uses a BNC connector, compatible with any pH meters that use BNC connectors. No temperature sensor is built-in. Users need to have a separate temperature probe (ex: Apera MP500) to enable ATC or manually input temperature to realize temperature compensation.

• PHY glass membrane made for high-temp. and caustic solutions
• The PTFE ring junction prevents junction clogs from complex chemicals.
• Blue gel inner solution - does not flow and will not generate air bubbles.
• Suitable for high-temperature solutions (up to 130°C)
• Lead-free glass body

AI3172 LabSen 373 PVC-body Flat pH Electrode by Apera

Built with proprietary sensor technology and premium materials, Apera LabSen 371 POM-body pH Electrode is designed for flat surface pH measurement such as skin, paper, textiles, etc.

Special Flat Glass Membrane - LabSen 371 pH electrode adopts a flat glass membrane with PTFE ring junction, making reliable surface pH test easier than ever.

Long-Life Reference System - composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of reference system and extends the service life of the electrode.

Compatible with all Apera Instruments meters with BNC and RCA connectors such as PH910, PH9500, PH850, PC8500, and PH820. May NOT work with other brands' meters because the thermistor might be incompatible.

• Proprietary pH sensor technology and premium materials from Switzerland
• Special LabSen flat glass membrane, suitable for flat surface pH measurement such as skin, textiles, paper, and small-volume samples etc.
• Long-Life Reference System, improving the stability of reference electrode and prolonging the service life of the electrode
• Anti-clogging PTFE ring junction
• Built-in temperature sensor for automatic temperature compensation
• No more air bubbles inside the glass membrane thanks to the Swiss blue gel electrolyte.

LabSen 243-6 Glass Combination pH/Temp. Electrode for Small Samples (>0.2mL) by Apera

Backed by proprietary Swiss pH sensor technology and materials, LabSen® 243-6 Glass pH/Temp. Electrode is designed for semi-micro samples (≥0.2ml). It is the default electrode for PH850-MS and PH8500-MS.

Unique Glass Membrane - LabSen® 243-6 pH electrode adopts a semi-micro cylindrical glass membrane (6mm in diameter), making small-sample pH testing easier than ever, and can be tested in high-temperature samples (up to 212°F).

Long-Life Reference System - composed of a glass tube, AgCl, and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of the reference electrode and extends the service life of the electrode.

The electrode uses a BNC/RCA connector, compatible with any pH meters that use BNC connectors and a 30KΩ thermistor.

The electrode is backed up with a 6-month warranty by Apera Instruments.

• Special LabSen® semi-micro cylindrical sensor tip, suitable for small-volume pH measurement (>0.2mL)
• Built-in temperature sensor (30K? thermistor)
• BNC/RCA-Connector
• 6-Month Warranty

LabSen 553 Plastic Combination Spear pH/Temp. Electrode by Apera

Backed by proprietary Swiss sensor technology and materials, the LabSen® 553 3-in-1 pH/Temp. Spear Electrode/Sensor/Tester is designed for testing soil directly (This is a replacement probe for Apera PH850-SL, PH9500-SL).

Long-Life Reference System - The LabSen 553 pH electrode adopts a long-life reference system, which is composed of a glass tube, AgCl and a reference silver wire. The top end of the slim glass tube is stuffed with cotton, which prevents the reaction between AgCl and electrolyte when the temperature changes. It improves the stability of reference electrode and extends the service life of the electrode.

Polymer Electrolyte - The solid polymer electrolyte makes the electrode hard to be contaminated and maintenance-free.

Special Glass Membrane - The LabSen 553 pH electrode adopts a spear sensor tip, which is ideal for directly testing semi-solid samples like soil.

Compatible Apera Instruments' meters: PH700, SX823-B, MP511, PH800, PC800. May NOT work with other brands' meters because the temperature unit might be incompatible. The electrode is backed up with a 6-month warranty by Apera Instruments.

• Proprietary pH sensor technology and materials from Switzerland
• Special LabSen Spear pH sensor tip, ideal for direct soil pH testing. No more slurry making.
• Pom housing, ideal for use in harsh environments
• Polymer electrolyte - not more clogged junction
• Long-life reference system, improving the stability of reference electrode and prolong the service life of the electrode

LabSen 881 Glass-body pH Electrode for Low Temperature Solutions by Apera

Backed by proprietary Swiss sensor technology and materials, the LabSen® 881 Glass Combination pH Electrode is ideal for pH measurements for low-temperature solutions (down to -22 °F).

Special Glass Membrane - The LabSen 881 pH electrode adopts a low-impedance glass membrane, which is especially suitable for low-temperature sample testing. The conical sensor tip is highly resistant to general impact (completely different from the traditional fragile glass bulb sensor), and has a faster response rate and better repeatability.

The electrode uses a BNC connector, compatible with any pH meters that use BNC connectors, such as Apera Instruments MP511, PH8500, PH850, PH700, PH800, PC800, PH820, and PC820. The temperature sensor is not built-in. Users need to have a separate temperature probe (ex: Apera Instruments MP500) to enable ATC or manually input temperature to realize temperature compensation.

The electrode is backed up with a 6-month warranty by Apera Instruments.

• Proprietary pH sensor technology and materials from Switzerland
• A special low-impedance glass membrane is adopted, which is especially suitable for low-temperature sample testing
• LabSen conical sensor tip - fast response rate, high repeatability, and built tough
• Standard BNC Connector
• 6-Month Warranty fulfilled by Apera Instruments