POCKETSIZE WATERPROOF MULTIFUNCTION METER CX-105


The most important features




Detailed description:


CX-105 is a multipurpose meter which enables making 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, TDS, oxygen dissolved in water in mg/l or %, humidity with possibility of determining the dew point, temperature of the surface and temperature of liquids or air. The user may choose appropriate heads. Good accuracy and minimised size.

Characterisctic features:


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 Chinch connector for surface temperature probe, what enables deciding if painting on the surface in existing conditions is advisable.

pH measurement:


Redox (mV) measurement:


Conductivity and salinity measurement:


Oxygen concentration measurement:


Temperature measurement:


Other features:


GPX-105s head is equipped with durable pH electrode made by australian company „Ionode”, which enables measurements in various samples of both pure and contaminated liquids and semi-solids. Its unusual construction (”intermediate junction”) protects the real junction (diaphragma) of the electrode against clogging, ensures stable measurements in these types of liquids or semi-liquid masses, in which other electrodes stop working quickly. When properly handled and maintained, the electrode's lifetime is longer than the standard electrodes.



TECHNICAL DATA
Function pH mV Conductivity /
salinity
Oxygen
in water
Humidity* Temperature**
Range 0.00 ÷ 14.00 pH ±1200 mV 0 ÷ 100.0 mS/cm /
0 ÷ 60 g/l NaCl
0 ÷ 199 %
0 ÷ 19.99 mg/l
0 ÷ 100 RH -70,0 ÷ 400 °C ****
Accuracy
(±1 digit)
±0.02 pH* ±1 mV* up 10 mS/cm: ±1%*
up 50 mS/cm: ±2%*
above 50 mS/cm: ±5%* /
salinity
up 5 g/l ±1.5 %
up 25 g/l ±2.5 %
above ±5 %
±0.2%**
0.02 mg/l**
10 ÷ 90 % RH ±3 %
beyond the
range: ±4 % RH
±1 °C***
in 25 °C ±0.4 °C
Temperature range -5 ÷ 60 °C - 0 ÷ 50 °C 0 ÷ 40 °C -40 ÷ 70 °C -
Temp. compensation -5 ÷ 60 °C - 0 ÷ 50 °C 0 ÷ 40 °C - -
Dew point temperature range - - - - -199.9 ÷ 70 °C -
Input impedance >1012Ω >1012Ω - - - -
α coefficient - - constant 2 %/°C - - -
Power supply 3x bateries LR44
Weight about 70 g depending on the head type
Dimensions(mm) L = 160, φ = 26, head: GP-105s: L = 235 mm φ = 26
* The accuracy of the meter only.
** The accuracy of the meter only. With the oxygen sensor the accuracy at calibration temperature: ±2%. By the difference ±5 °C accuracy: 4 %, by the difference ±10 °C accuracy: ±6 %.
*** The accuracy of the meter with Pt-1000B standard resistor: ±0.8 °C. In the range 0 ÷ 100 °C for GT-105 temperature head the acceptable error of the probe with Pt-1000A resistor: ±0.27 °C.
**** Maximal range for head with sensor on cable. For sensor with 12 cm pipe without cable -70 ÷ 200 °C.