Horiba Water Quality Analyzer Devision

 
 

 

      [ OCMA-350 м]

 

 

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Just by setting the equipment, the OCMA-350 provides highly accurate analysis of the oil content of water samples from which the oil has already been extracted in the auxiliary cell. In addition to displaying residual oil and solid body content suspended in water in a range from 0mg/l-200mg/l, the OCMA-350 allows users to display analysis results for land in mg/kg and for oil absorbency in Abs. The OCMA-350 is also well suited for evaluating the capabilities of semiconductor fabrication and precision machinery cleaning equipment, evaluating the properties of industrial process oil and the residual oil of polishing materials as well as wastewater that has been adulterated with silt, sludge, and other suspended particles.
: S-316 solvent extraction/infrared absorptionmetry method
: 0mg/l ~ 200mg/l, 0mg/kg ~ 1,000mg/kg, and 0Abs ~ 1Abs
: 0mg/l ~ 9.9mg/l: ±0.4mg/l, ±1 digit; 10.0mg/l ~ 99.9mg/l: ±2mg/l, ±1 digit; 100mg/l ~ 200mg/l: ±4mg/l, ±1 digit; 0Abs ~ 1Abs: ±1% F.S.

 

 

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  Easy-to-read backlit LCD
The backlit LCD is easy to read under any conditions, including bright sunlight. The digital display eliminates individual reading differences.

  
Three measurement units
The OCMA-350 measures in mg/l for oil in water, mg/kg for oil in soil, and Abs. for the absorbency of oil, so you can always choose the proper unit for your sample measurement.

Cell control

  
Cell control
To introduce your sample into the removable cell, just pull the cell out of its holder. It's easy to avoid leaks and spills when you have this much control. The removable cell is also easy to maintain.

RS-232C

  
All the right connections
Each unit is equipped with a printer port and an RS-232C port. Simply connect the OCMA-350 to your printer or PC for remote control of the unit and ready access to measurement data.

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Stable readout
The unit's data evaluation function analyzes the readings, determines when the value has stabilized, and displays that stable value.

  
Self-monitoring
Messages on the LCD screen inform you of any electrical malfunctions, irregularities in measurement, and deterioration of parts, so that you can always be assured of proper functioning.

  
Simplified recordkeeping
The OCMA-350 keeps a record of the time and date of measurement along with each data set it records. When printing out, it provides you with both the time and the measurement, allowing for easy recordkeeping.

 

 Measurement of residual oil

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IMAGE 1 Choose a reasonably sized sample
IMAGE 2 Measure out an appropriate amount of solvent, and immerse the parts in the solvent until all the residual oil has dissolved.
IMAGE 3 Introduce the resulting solution to the measuring cell, and set the cell in place.
  4 Press the start button and wait for the results.
HORIBA S-316 ֺƮ
S-316 The OCMA-350 uses the highly effective, environmentally-safe S-316 extraction solvent to extract the oil components from oily water samples, soil samples, or product surfaces. The extract is analyzed using IR absorbance, a non-dispersive infrared spectrophotometric technique which is specific to hydrocarbons such as oil.
The OCMA-350 measures absorption in the 3.4 to 3.5 micrometer range. The two graphs at the right show the absorption spectra of (1) petroleum and (2) HORIBA's S-316 solvent. All hydrocarbons, including oils, absorb infrared radiation at about 3.4 to 3.5 micrometers. As a result, the unit can measure any hydrocarbons in the extraction solvent quickly and accurately, with no distortion of values due to the presence of the solvent.
HOROBA's S-316 Solvent can be recycled with the aid of the optional SR-300 Solvent Reclaimer. Recycling the solvent not only cuts your solvent costs, but also helps protect the environment.

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 Specification

MODEL OCMA-350
Application Oil contamination of fresh and salt water; soil analysis
Principle Solvent extraction, NDIR analysis (infrared spectroscopy)
Detector Pyroelectric sensor
Cell Quartz cell, cell length 20 mm
Measuring range and unit 0 to 200mg/l, 0 to 1000mg/kg, 0 to 1 Abs.
Resolution mg/l;
0 to 99.9mg/l; 0.1mg/l
100 to 200mg/l; 1mg/l

mg/kg;
0 to 9.99mg/kg; 0.01mg/kg
10.0 to 99.9mg/kg; 0.1mg/kg
100 to 1000mg/kg: 1mg/kg

Abs;
0 to 1000 Abs; 0.001 Abs

Repeatability mg/l;
0 to 9.9mg/l; ±0.4mg/l±1 digit
10.0 to 99.9mg/l; ±2.0mg/l ±1 digit
100 to 200 mg/l; ±4mg/l ±1 digit

Abs;
±1% F.S.

Measurement Manually controlled
Calibration Automatic calibration after the calibration standard is introduced to the instrument
Extraction solvent HORIBA S-316 solvent
Sample/solvent volume Approx. 6.5 ml, ratio of sample to solvent is 1:1
Display Measured value; 3 1/2digits LCD with back-light
Message; Character display LCD with back-light (16 x 2 characters)
Functions Self diagnostics, Auto hold function, Calendar clock
Output RS-232C and centronics printer port
Ambient temperature 0 to 40°C
Power requirement 100 to 240 V AC ±10%,
50/60 Hz,
60 VA
Dimensions 200(H) x 250(W) x 285(D) mm
7.9(H) x 9.8(W) x 11.0(D) in
Weight Approx. 5 kg/11 lb

 

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