Pocketsize Waterproof Multifunction Meter CX-105
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CX-105 is a multi-purpose meter which enables to make different kinds of measurements depending on the type of the chosen head. Complete set of heads enables following measurements: pH, mV, redox potential, conductivity, salinity, oxygen dissolved in water in mg/l or %, humidity with possibility to determine the dew point, temperature of the surface and temperature of liquids or air.
The user may choose appropriate heads.
The meter cooperates with the following heads:
* GP-105 - for pH and temperature measurement in water with low deposit content;
* GPX-105s - for pH and temperature measurements in waste water or other viscous samples;
* GR-105k- for redox potential and temperature measurement, electrode with cable;
* GC-105 - for conductivity, salinity and temperature measurement;
* GO-105 - for oxygen dissolved in water, in % or mg/l and temperature measurements, probe without cable;
* GO-105K - for oxygen dissolved in water, in % or mg/l and temperature measurements, probe with cable;
* GT-105 - for accurate temperature measurement, without cable;
* GT-105k - for accurate temperature measurement, probe with cable;
* GH-105 - for humidity and dew point measurements, sensor without cable;
* GH-105k - for humidity and dew point measurements, sensor with cable;
* GH-105p - for humidity and dew point measurements, sensor without cable but with RCA (chinch) connector for surface temperature probe, what enables to decide if painting on the surface in existing conditions is advisable.

pH measurement
pH calibration in 1 to 3 points.
Automatic detection of the buffer solutions 4.00, 7.00, 9.00 pH (optionally: 4.00, 7.00, 10.00 pH).
Automatic temperature compensation.

The GPX-105s head is equipped with durable pH electrode made by Australian company Ionode, having non-standard construction with an “intermediate junction” which protects the actual electrode’s junction against clogging. Enables stable measurement in sewage and semi-solid substances, where standard electrodes quickly lose efficiency. Depending on needs an appropriate tip for the electrode can be chosen.

Redox (mV) measurement
Accuracy 1mV.
Possibility of automatic calculation of the redox reading in relation to the chloride/silver electrode to the hydrogen electrode.

Conductivity and salinity measurement
5 sub-ranges switched automatically.
Wide measuring range in conductivity mode (up to 100 mS/cm) enables using the meter for
measurements in pure water, waste water or in sea water. Salinity measurement in range up to 60 g/l converted to NaCl.
In the conductivity measuring mode possibility of calibration by introducing the constant K or in a
standard solution.
The reference temperature value may be chosen between 25oC or 20oC for measurement in honey.

Oxygen concentration measurement
* 1 point calibration (in 100% O2 saturation).
* Oxygen measurement in % or in mg/l.
* Possibility of introducing a correction connected with the salinity of the sample.
* Galvanic oxygen sensor of good quality.

Temperature measurement
* Separate head for temperature measurements enables measurements up to 150 °C with 3 cm
* probe without cable, 200 °C with 12 cm probe without cable, 400 °C with every probe equipped with cable;
* Accuracy of the temperature measurement depends on the kind of the chosen probe.

Other features
* Used for field work.
* Good accuracy and minimised size.
* Fully waterproof housing, floats if dropped in the water.
* Powered by 3 x LR44 batteries
* Long-lasting work on one battery set.
* Automatic switch-off function to protect the batteries against discharging

Technical Data:

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