The QPEX8 Portable Multiparameter Meter measures: pH, Conductivity, Ions, Dissolved Oxygen, Total Dissolved Solids, Temperature and REDOX. All of these modes are rolled into one compact body.
The kit includes a pH Triode and a Conductivity Cell along with some calibration solutions and batteries. To access the kit's full potential just add 1 of our 22 Ion Selective, Dissolved Oxygen or REDOX Electrodes. Standards and solutions are available for all of our electrodes and enable you to get multiparameter testing in minutes.
To measure Ions in soil such as Calcium, Nitrate & Phosphate etc., read our Soil Testing Method.
Available Modes:
- pH Mode
- Conductivity Mode
- mV Mode (REDOX)
- Relative Millivolts
- Total Dissolved Solids
- Ion Mode 1
- Ion Mode 2
- Known Addition Methods for ISE
- Dissolved Oxygen
- Dual Display Mode
Electrodes:
The QPEX8 allows for the connection of Ion Selective Electrodes, pH Electrodes, Conductivity Cells, Dissolved Oxygen Electrodes and Temperature Probes.
Pressing the MODE button scrolls through each of the modes until you find the measurement parameter required. Once calibrated the mode can be changed to perform a different measurement whilst remaining calibrated.
This is very useful for field testing where the meter can be calibrated in the lab or office and measurements of all types can be made without the need for further calibration. Furthermore the results can be stored in the memory and the data dumped directly into Excel using the DK400 Data Kit (Sold Separately).
Specification:
The QPEX8 is 4 Meters in one. Each mode in the combined instrument has the same specifications and functionality of the corresponding Series 4 Meter. You can see the specification data in the additional information tab.
High or low resolution:Â Â The Ion modes on the QPEX8 can be set for LOW resolution as used for routine analysis in the field or laboratory. or for High resolution (extra decimal place) when laboratory or research applications being used. To change the setting follow the HIGH and LOW Resolution video.
The Kit Comprises:Â
- QPEX8 Multiparameter Meter
- E8400 pH/ATC Combination Electrode
- E8074 K=1 Conductivity Cell,
- pH 4 and pH 7 Buffer Capsules
- A3052 Conductivity Standard
- E8402 Large Carry Case
When using a Multi Parameter Meter it is important to record and save the data before you move onto the next mode. Just as each of the individual instruments have data storage and logging functions so does the QPEX8. Each result includes the time, date, mode and the data itself with the appropriate concentration units.
To export the data into Excel using the Micro USB output you will need a DK400 Data Kit
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Additional information
| Conductivity Accuracy | +/- 0.2% |
|---|---|
| Conductivity Range | Auto-ranging from 0- 999mS/cm in appropriate units. |
| Connector | 3.5mm Jack, BNC, Micro USB (Meter) to USB 2 (PC), Mini DIN |
| Data Output | Mini USB – Outputs CSV – 38400 Baud – Exports data directly to Excel using DK400 Data Kit |
| Data Storage | Dynamic storage of up to 64 Data Files |
| Dimensions | 175 x 88 x 48mm |
| Ion Accuracy | Ion Selective Electrode Dependant – Please see individual ISE Specifications |
| Ion Range | Ion Selective Electrode Dependant – Please see individual ISE Specifications |
| mV Accuracy | +/- 0.1mV |
| mV Range | +/- 1999.9mV |
| pH Accuracy | +/- 0.01 pH Units |
| pH Range | -2.00 to 16.00 |
| Power Supply | 4 x AA Batteries |
| TDS Range | 0-999g/L |
| TDS Resolution | +/- 0.01g/L |
| Temperature Accuracy | +/- 0.1°C (ATC not available in Ion Mode) |
| Temperature Range | Probe Dependant |
| Weight | 350g (Meter Only) |




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