Environmental & Temperature Devices

CPC-411 pH/CONDUCTIVITY/SALINITY METER CPC-411 WATERPROOF

Brand: Elmetron
41,250 EGP

Special device from Easy Test

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WATERPROOF pH / CONDUCTIVITY / SALINITY METER
CPC-411

The most important features

  • Simple but accurate field and laboratory meter.
  • Measures pH, redox potential (ORP), conductivity, salinity and temperature.
  • The display enables simultaneous readout of the measured function and temperature value.
  • pH electrode calibration in 1 to 3 constant points (4.00, 7.00, 9.00 pH), conductivity in 1 point.
  • In the conductivity function the α coefficient has a constant value (2%/°C).
  • Memory of 50 results.
  • No PC connection.

Detailed description


Easy in use simple meter of good accuracy.
Measures: pH, mV (redox potential), conductivity, salinity and temperature.

Characteristic features:

  • Used for work in the field and in the laboratory.
  • Small size and low weight make working in the field easier.
  • Waterproof housing (IP-66) facilitates work in difficult conditions.
  • The LCD enables simultaneous readout of the measured function and temperature value.
  • pH and conductivity circuits are isolated. This eliminates the influence of one measurement to the other.
  • Very easy in use.

In the pH measurement mode:

  • Calibration in 1 ÷ 3 points in buffer solutions.
  • Automatic detection of the pH buffer solution’s value 4.00, 7.00, 9.00 pH (optionally: 4.00, 7.00, 10.00 pH).
  • Automatic temperature compensation.
  • Depending on the chosen electrode, enables measurement in clean water, sewage, pastes, etc.
  • The electrode's buffer and slope readout.

In the redox (mV) measuring function:

  • Accuracy ±1 mV in redox potential measurement.
  • Possibility of automatic calculation of the redox potential result, received with the chloride/silver electrode, to the hydrogen electrode.

In the conductivity measurement mode:

  • Enables measurements of clean water and samples with conductivity up to 199.9 mS/cm.
  • 4 sub-ranges switched automatically (autorange).
  • Measures salinity with conversion to NaCl up to 177,9 g/l.
  • Converts conductivity into salinity according to real characteristic and not a constant coefficient.
  • Automatic temperature compensation.
  • Constant temperature compensation coefficient α = 2% / °C. For precise measurements with temperature compensation we recommend the meters of series 401 or 461.
  • Reference temperature 25 °C or 20 °C for measurements made in honey.
  • In set with accurate ECF-1 conductivity cell. Measuring range 0 ÷ 400 mS/cm is sufficient for measurements in ultra pure water and high salt concentration samples.
  • Metal electrodes are easy to clean and PVC body protects it against mechanical damage.
  • Possibility to measure electric admittance of tree seedlings – checking the vitality of seedlings with a special sensor.

Other features:

  • Automatic switch off function preserves battery life.
  • Memory of 50 results.
  • Warranty - 24 months for the meter.
  • The user's manual in English on a pendrive added to the set.


The standard set includes: ECF-1 conductivity sensor, CT2B-121 temperature sensor with Pt-1000B resistor, EPS-1 pH electrode for measurements in clean water. It should not be used in other types of liquid. Measurements in liquids with sediments should be made with use of IJ-44A pH electrode, 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

FunctionpHmVConductivity /
Salinity
Temperature
Range0.00 ÷ 14.00 pH±1999 mV0 ÷ 199.9 mS/cm
(autorange) /
NaCl 0 ÷ 177.9 g/l
-50.0 ÷ 199.9 °C
Accuracy (±1 digit)±0.01 pH*±1 mV*±0.25 %* /
salinity 2 %*
±0.1 °C**
Temperature compensation-5.0 ÷ 110,0 °C--5.0 ÷ 70.0 °C-
Input impedance>1012Ω>1012Ω--
α coefficient--2%/°C constant-
K constant--0.010 ÷ 1.999 cm-1-
Temperature sensorPt-1000 standard or accurate
Power supply9 V battery, 12 V / 100 mA power adapter (option)
Weight220 g
Dimensions (mm)L = 149, W = 52, H = 22
*The accuracy of the meter only.
**The accuracy of the meter only. The total error includes the meters and probe’s accuracy. In the range 0 ÷ 100 °C the acceptable error of the probe with Pt-1000B resistor: ±0.8 °C, with Pt-1000A resistor: ±0.35 °C.

Product Specifications

Manufacturer....
Dimensions.. × .. cm
Weight00gm

Files to download

  • CPC-411 pH/CONDUCTIVITY/SALINITY METER C Download

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