ORP Meters

S20 Bluetooth ORP Meter

High-performance bluetooth ORP meter is suitable for Android smartphone or tablet, 1 point calibration, setup menu contains 10 options, accuracy: 0.2 mV.

• High-performance bluetooth ORP meter is used to measure the mV and relative mV.
• 1 point offset calibration allows adjusting the displayed value to a known standard.
• Auto-read function senses and locks the measurement endpoint.
• Timed interval readings send the measurement data to the memory or printer.

Bluetooth ORP Meter

• Limit Alarm automatically alerts when the measurement exceeds the specified range.
• Calibration due alarm reminds the user to calibrate the tester regularly.
• Calibration log shows the date, time and offset.
• Password protection prevents the unauthorized calibration and settings.
• Reset function automatically resumes all settings back to the factory defaults.





-2000.0 to 2000.0 mV


0.1 / 1 mV, selectable


±0.2 mV


1 point

   Measurement Modes

Relative / Absolute mV

   Other Specifications

   Stability Criteria

Fast / Standard / Slow

   Measurement Modes

Continuous / Auto-read measurement endpoint

   Timed Interval Readings

10 / 30 / 60 / 300 seconds or off

   Calibration Due Alarm

1 to 99 days or off

   Data Transfer

Memory / Printer

   Password Protection

6 digits


Bluetooth 4.0 or newer

   Maximum Wireless Range

10 m / 33 ft

   Power Supply

2 × 1.2V lithium batteries or AAA batteries

   Environmental Conditions

0 to 50°C / 32 to 122°F, relative humidity < 80%


185 × 40(Ø) mm


100 g

   Ordering Code

Tester Includes


Solution storage bottles

Carrying case

Items Description
Bluetooth Printer For printing the measurement data

   Ordering Code

Dimensions and Weights


28 × 8 × 25 cm, 1.5 kg