Best Apera Instruments in 2026

NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap

Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122˚F (0 to 50˚C); Auto. Power-Off: 8 minutes without operation

Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122˚F)

Reported values are accurate to +/- 0.01 pH at 25 °C and are traceable to NIST Standard Reference Materials (SRMs).

Produced in an ISO 9001:2015 certified facility using high-purity reagents, deionized water and certified analytical balances in a temperature controlled environment.

color-coded for quick identification.

Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)

Backed by Apera quality pH sensor with low impedance, ensuring high response rate

Comes in a rugged carrying case with pH 4&7 buffers and a lanyard

Swiss spear sensor with Long-life reference system (Replaceable), made for cheese, sushi rice, meat, fruit, milk, yogurt, sauce, and other solid/semi-solid's pH measurement (also works great for general water solutions)

Easy auto. calibration with auto. temperature compensation (ATC)

Unique high/low value alarm function, instantly reminding you of any results that need your attention with a red backlight

Reported values are accurate to +/- 0.01 pH at 25 °C and are traceable to NIST Standard Reference Materials (SRMs).

Produced in an ISO 9001:2015 certified facility using high-purity reagents, deionized water and certified analytical balances in a temperature controlled environment.

color-coded for quick identification.

Measures pH/EC/TDS (ppm)/Salinity/Temp. in a quick and professional manner

Replaceable multi-parameter probe with easy installation

When the smiley face icon stays on screen, it's the right time to record the measurements.

An economical choice of a reliable and durable magnetic stirrer

Ideal for home brew yeast starters

Small, yet powerful stirring ability with a Max. 3000ml stirring capacity

APERA's unique BPB (Brush-resistant Platinum Black) probe ensures high accuracy and consistency in a wide-range conductivity measurement

EASY Auto Calibration with auto buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0˚C)

LARGE CLEAR LCD with DUAL Display of temp./ppt, and REMINDERS of completed calibrations and stable readings

APERA's unique Replaceable Platinum Black sensor ensures high accuracy and consistency in a wide-range conductivity measurement

EASY Auto. Calibration with auto buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50. 0˚C)

LARGE LCD with 3 backlit color (indicating 3 different modes), DUAL Display of temp. /EC, and indications of completed calibrations and stable readings

Infrared sensor — ISO7207 compliant cephalometric method (90°)

Intuitive operation system on a large TFT screen— measure and calibrate at ease

U. S EPA certified, non-toxic polymer standard solutions with 1-year shelf life, easy-to-use

Spear glass pH probe

Made for soft solid pH testing such as cheese, meat, sushi rice, etc

Swiss sensor technology: long life reference system with new type of polymer electrolyte

Equipped with LabSen 211 refillable glass pH electrode and a separate temperature probe, ensuring accurate, quick, and consistent pH measurement.

The user-friendly navigation system is displayed on a large TFT HD screen, supporting multi-language prompts and graphic tutorials.

The built-in manual/auto. data logger has 200 sets of data storage and supports USB data output

Quick and easy 1 to 4 points auto. Calibration with calibration guide and reminder

The quality 201T-F pH/temp. and 2301t-f conductivity/temp. Combination electrodes ensure stable & accurate measurements of regular water solutions for scientific research and quality control

GLP data management (500 groups of data storage) with usb data output

Quick and easy 1 to 3 points Auto. Calibration with calibration guide (auto. recognizes 5 types of pH standards)

The quality 201T-F pH/temperature combination electrode ensures stable & accurate measurements of regular water solutions for scientific research and quality control

GlP data management (500 groups of data storage) with usb data output

Designed for lab-grade measurement of up to 8 water quality parameters in the field, including pH, ORP, DO, conductivity, TDS, salinity, resistivity, and temperature

Intelligent functions –– auto. calibration, auto. temperature compensation, self-diagnosis, data logging, auto. power off, and more.

4 quality probes included in the kit (pH, conductivity, DO, ORP) for field test at lab-grade accuracy

Quick and easy 1 to 4 points auto. Calibration with calibration guide and reminder

The quality 2301T-F conductivity/temp. Combination electrode ensures stable & accurate measurements of regular water solutions for scientific research and quality control

GLP data management (500 groups of data storage) with usb data output

The high quality bpb conductivity electrode generates accurate EC readings in a wide measuring range (0 to 200 MS/cm)

IP57 waterproof and dustproof, ideal for use in harsh environments

The large Clear LCD displays EC/temperature simultaneously along with icons of Stable readings and Finished calibrations

Comes with an all-in-one pH/temp. electrode, measuring pH and temperature in a quick and accurate manner

1-3 points of Auto. pH calibration with self-diagnosis

Large LCD displays pH/temperature simultaneously along with indicators of stable readings and successful calibrations

Comes with an all-in-one ATC pH electrode, measuring pH in a quick and reliable manner

The high quality platinum black conductivity electrode generates accurate EC readings in a wide measuring range (0 to 200 mS/cm)

Quick and easy multi-points Auto calibration with calibration guide and self-diagnosis

Takes quick and accurate measurements of EC, TDS, salinity, and resistivity simultaneously in a wide measurement range (0 to 200 mS/cm)

GLP data management (500 Groups of data storage) with USB data export

Quick and easy 1 to 4 points Auto calibration with calibration reminder function (standard calibration solutions included)

ACCURATE MEASUREMENT: Accuracy: 0. 01 pH, Range: -2. 00-19. 99 pH, ATC, Auto Calibration with buffer recognition. Adopts advanced digital filtering technology, improving response time and accuracy

Data Processing: GLP standard data management, 500 data sets of storage, manual/auto timing storage, RS232 data output

RELIABLE Structure Design: Large LCD with blue backlit, Meets IP54 waterproof and dustproof

Take lab-grade measurements for conductivity/TDS/salinity in a quick and easy manner

Auto/manual data logging with GLP data management (500 sets of data storage) and USB data output

Automatic multi-point calibration with due calibration reminder, and last calibration date check

Equipped with 201T-F 3-in-1 combination pH electrode, Auto temp. Compensation, measuring pH and temperature simultaneously

Advanced Auto. calibration mode with calibration guide and self-diagnosis

Advanced digital processing technology helps generate quick and Stable readings

Patented 3-in-1 fluoride ion probe - no need for stirring or added reagents, directly measuring the ion concentration of fluoride in a quick and simple manner

Stable potential, fast response rate, convenient use; 2-point auto. calibration for fluoride

Comes with an ATC pH electrode, testing fluoride, pH & temperature altogether with high accuracy

Equipped with 2301T-s platinum black ATC conductivity electrode measuring conductivity and temperature simultaneously

Advanced Auto calibration mode with calibration guide and self-diagnosis

Advanced digital processing technology helps generate quick and stable conductivity readings

✔ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.

✔MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.

✔EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.

Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools

PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings

3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can't test sea water

Heat treated, chrome plated finish for durability

E Torx Star Female Bit Socket

Lifetime Warrent

NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap

Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122˚F (0 to 50˚C); Auto. Power-Off: 8 minutes without operation

Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122˚F)