Horiba Oil Content Analyzer – OCMA-350

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The oil content analyzer measures oil in water, soil and machined parts. This device uses the S-316 solvent to extract oil from samples which can then be measured.

Horiba Oil Content Analyzer – OCMA-350


  • Quickly determines the amount of oil in water, soil and machined parts
  • Measurement time of 30 to 60 seconds using a solvent for the extraction and NDIR method
  • A quartz sample cell keeps the instrument clean from possible spills
  • Oil is extracted using the extremely stable S-316 solvent extraction technique
  • Users can display analysis results in three different units: mg/l, mg/kg and Abs
  • Easy to read backlit liquid crystal display for clear reference
  • RS-232C computer interface comes standard

The Horiba Oil Content Analyzer is a compact and easy to use device that is ideal for measuring the oil content of water, soil and machined parts for a variety of applications. Some common applications include waste water effluent, bilge water discharge, oil/water separators, contaminated soil and oil on textiles and metal parts.

To accomplish the wide range of measurements this device uses an excellent extraction solvent called S-316. This stable solvent reliably extracts oil from multiple sample types and helps to provide accurate results every time. The Oil Content Analyzer is designed for use in the lab and the field, which is useful for monitoring oil spills, industrial discharges and checking for oil in streams and lakes.

Stable readout

This device features a data evaluation function which analyzes the readings, determines when the value has stabilized and displays the stable value. This removes any guesswork from collecting data and provides the user only with the best results.

Ease of use

To measure simply dissolve your sample with the Horiba S-316 solvent, inject the extract from your sample into the measuring cell and press a single button. A PC can even be used to simplify operation to a greater extent. Results can be saved on a computer or simply recorded.


Messages on the LCD screen inform the user of any electrical malfunctions, irregularities in measurement and deterioration of parts. This ensures that the machine is always functioning properly and won’t waste time or with bad measurements and wasted samples.

Simplified recordkeeping

The Horiba Oil Content Analyzer keeps a record of the time and date of measurement along with each data set it records. This makes review and comparison of data simpler than ever before. When printing out data the machine provides the user with both time and measurement which, again, simplifies recordkeeping.


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

Measurement range and unit: 0 to 200 mg/l, 0 to 1000 mg/kg, 0 to 1 Abs.


mg/l; 0 to 99.9 mg/ l; 0.1 mg /l

100 to 200 mg/l; 1 mg/l

mg/kg; 0 to 9.99 mg/kg; 0.01 mg/kg

10.0 to 99.9 mg/kg; 0.1 mg/kg

100 to 1000 mg/kg; 1 mg/kg

Abs; 0 to 1000 Abs; 0.001 Abs


mg/l; 0 to 9.9 mg/l; ±0.4 mg/l ±1 digit

10.0 to 99.9 mg/l; ±2.0 mg/l ±1 digit

100 to 200 mg/l; ±4 mg/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

Unit Ship Weight: 12 lbs

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