ORP60 Premium ORP Pocket Tester


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.

  • 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

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).



Measuring Range

±1000 mV


1 mV


±0.2 % F.S


Measuring Range

0 to 50 °C


0.1 °C


±0.5 °C


Power Supply

4 × AAA Batteries

Battery Life

Up to 2000 hrs

IP Rating

IP67 (waterproof and floatable)


40×40×178 mm (with carrying case 255×210×50 mm)


133 g (with carrying case 700 g)


  • ORP60 Meter
  • Calibration solution (222 mV/ 50 ml)
  • 1 Calibration bottle
  • 3M KCL Soaking solution
  • Lanyard
  • Carrying Case

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

Deutsch (ORP60_DE_2018.pdf, 852 Kb) [Download]

English Manual (ORP60_EN_2018.pdf, 1,057 Kb) [Download]

ORP Range: ±1000 mV, Temperature Range: 0 - 50˚C Platinum sensor with maintenance-free gel KCL electrolyte Works well for 12-24 months under...