Series 4 Portable Conductivity/TDS Meter


Series 4 Portable Conductivity Meter.

SKU: QP481 Category:

The QP481 Portable Conductivity/TDS meter is the second in a series of Quality Portable meters from EDT directION. All are state of the art instruments made in the UK.

The clear graphic display guides the user through every operation ensuring that even the most unskilled operation can perform accurate analysis without an instruction manual. Every instrument in the QP range has a mini USB output for printing or exporting sample and calibration data. If printing is not possible there is a 10,000 data point, 64 file internal memory to enable field data to be recorded.

Power is via 4 x AA batteries. Lifetime is impressive due to a highly efficient display with brightness and contrast options along with many other power saving features.

Other features of the Portable Conductivity Meter include:

  • Automatic Calibration
  • Auto endpoint
  • Automatic Temperature Compensation (ATC)
  • Simple Set Up Menu
  • Auto Ranging
  • TDS Mode with adjustable TDS Factor
  • Data logging and internal Data storage.
  • Micro USB Data output
  • Real time clock
  • Din Connector for Conductivity/Temp probe.
  • Impressive array of accessories and consumables.

The Portable Conductivity Meter with the full range of accessories is available as a bundle here.

The QP range of products are extremely Tough, Splash-proof and practical and carry a two year warranty.

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Additional information

Weight 0.4 kg
Dimensions 20 × 10 × 5 cm
TDS Range


TDS Resolution

+/- 0.01g/L

Conductivity Range

Auto-ranging from 0- 999mS/cm in appropriate units.

Conductivity Accuracy

+/- 0.2% of reading.


Mini DIN

Automatic Temperature Compensation (ATC)

ATC across the entire range

Reference Temperature

Set at 25°C.


Backlit LCD Graphic Display

Power Requirement

4 X AA Batteries

Battery Life

Over 200 Hours continuous use. Power saving features include: Auto off, Backlight control, logging sleep mode.

Data Output

Mini USB. Outputs csv at 38400 Baud

Data Storage

Dynamic Internal storage of up to 64 files. Logging maximum 10,000 data points.

Data Logging

Maximum data points 64,000. Log period 10 seconds to 99 hrs.59mins .59 secs Log interval minimum 1 second.


175x88x48mm (lwh) – Meter Only


350g – Meter Only


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