$100 - $150, Apera Instruments

ORP60 Premium ORP Pocket Tester by Apera

The Apera Instruments ORP60 tester is simply the best pocket ORP tester you can get in the market for all kinds of regular ORP testing. The platinum ORP probe is replaceable and easy to install, so you don t have to buy a whole new meter once the probe retires.

Auto Calibration with buffer recognition and 0 to 50°C Auto Temperature Compensation (ATC), 1 mV/±0.2% F.S, 0.5°C accuracy with -1000 to 1000 mV measuring range, auto recognition and indication of stable values (optional auto hold function available) improves consistency, saving you the trouble of guessing when to manually hold measurement (with optional auto hold function). A Large clear 180° viewing angle screen with 3 backlit color (blue for measuring mode, green for calibration mode, red for warnings), it supports dual display of temp./pH value and stable readings (with a smiley face).

Comes with a complete kit of premixed standard solution (222 mV), soaking solutions (KCL), AAA batteries, and a lanyard all in a portable carrying case. Easy menu setting, customizing your tester according to your needs. IP67 water-proof and dust-proof, floats on water so you don't have to worry if dropped in water by accident. Longest 2000 hours' continuous operation (without backlit) powered by 4 AAA batteries (with low power warning and auto power off in 8 min if no operation).

Warranty: 2 years for the ORP meter, 6 months for the ORP probe.

• Easy-to-install Replaceable FLAT sensor, Triple-Junction structure prevents clogging, designed for Skin, Fabrics, Paper, and other flat surface pH testing, also works great for micro-volume and regular liquid pH measurement
• Easy Auto Calibration with auto buffer recognition (1 to 3 points); Auto Temperature Compensation (ATC)
• Replaceable ORP Platinum Probe, easy to install so that you don t have to buy a whole new meter once the probe retires
• Auto recognition of stable values (optional auto hold function available) improves consistency so you don't have to guess when to manually hold measurement
• LARGE CLEAR LCD with 3 backlit color (indicating 3 different modes), dual display of temp./ORP, and indications of completed calibrations and stable readings
• COMPLETE KIT with ready-to-use calibration solutions, a calibration bottle, storage solutions, AAA batteries, and a lanyard all in a premium portable carrying case

PH60-Z Smart Pocket pH Tester Kit by Apera

• The next-generation tester designed for seamless water test experience. Professional pH measurements for general water solutions now become easier than ever. ORP test is also available with an ORP probe (sold separately).
• 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.

TN400-S1 Standard Calibration Solution Set by Apera

Reagecon high-molecular polymer turbidity standard solutions (0.02 NTU, 20.0 NTU, 100 NTU, 800 NTU).

U.S. EPA certified, non-toxic, accurate, and easy to use. They have evident advantages compared to traditional Formazin standard solution, which are highly toxic and inaccurate.