WilksIr - Oil, Water, Soil, Gas analyzers

Practical Oil in Water InfraCal Analyzers You Can Depend On


Oil in Water/Soil Analyzers

Soil and water Analyzers overview - Image of an oil rig Optional Available Models

With over 3,500 Wilks oil and grease monitors in worldwide use today, InfraCal Analyzers have become a standard for the petrochemical industry. These essential tools ensure that oil content levels are below the regulated limit in water, drill cuttings, and soil. At Wilks, we guarantee that our practical and flexible instruments will result in immediate time and cost savings for all operators seeking an oil in water analyzer, oil in water measurements, or an oil in water monitor.

The fact that InfraCal Analyzers greater than 10 years old are still operating in the corrosive environment of offshore oilrigs attests to their rugged dependability. The analysis procedure takes less than 15 minutes and can be performed by personnel with minimal training. They use field-proven infrared technology for measuring oil in water, oil content in drilling mud or drill cuttings, TPH (total petroleum hydrocarbons) in soil, hydrocarbons in water, and FOG (fats, oil, and grease) in wastewater.

Using a Wilks oil in water analyzer is an ideal solution for your analytical instrumentation needs. Navigate our website to learn more about InfraCal available models. Contact us for additional assistance in choosing the right InfraCal Analyzer for your application.

Product Comparison Chart

Product Comparison Chart

  InfraCal 2
InfraCal 2
MDL Water 0.3 ppm 0.1 ppm
MDL Soil 3 ppm 1 ppm
Solvent Hexane, Pentane, Cyclohexane,
Vertrel MCA
S-316, Freon-113
Method Complies  
ASTM D7066
EPA 413.2
EPA 418.1
Method Compares
EPA 1664
ISO 9377-2
EPA 1664
ISO 9377-2
Volatile Components Loses Includes
Internal Data Capture
Internal Data Storage
Date Export
Multiple Calibrations
Touch Screen Display
Password Protection
Internal Battery**
External Battery    

*Optional external printer available for data logging.

**Optional internal battery must be ordered at the time the equipment is ordered.



Calibration Information

It is important to note that all InfraCal Oil in Water/Soil Analyzers can be ordered with or without a factory calibration. The InfraCal 2 Model ATR-SP and TRANS-SP can store multiple calibrations. Calibration of the analyzer enables it to directly display oil/grease concentration levels in parts per million (ppm) or milligram/kg.

  • Factory Calibration by Wilks

Wilks can provide the InfraCal Analyzers with a factory calibration using any of the calibration standards, prepared by a certified laboratory, we have available for purchase. This prepares the analyzer for immediate use once received by the customer. Factory calibrations are available for water and soil, please specify which at the time you order your InfraCal Analyzer. This option is strongly recommended for international customers, as well as those US customers who do not require a certified calibration or do not wish to calibrate the analyzer themselves.

  • Certified Laboratory Calibration by Independent Testing Lab

The InfraCal Analyzers can be calibrated by a certified laboratory. For our U.S. customer's, we recommend laboratories such as Petroleum Laboratories Inc., 337-234-7414 or Sherry Laboratories, 800-737-2378 or 337-235-0483. The standards can be made from the customer's own oil sample or from a heavy weight oil. Standards are prepared on weight/volume basis. The standards can be verified against EPA Method 413.1 or 1664 for an extra charge. Please contact Petroleum Laboratories or Sherry Laboratories directly for more information and pricing concerning their calibration service. If you are outside the U.S. and require a Certified Laboratory Calibration, you will need to locate a lab in your respective country that can provide this service for you.

  • Pre-packaged Calibration Standards Prepared by and ISO Certified Standards Company

Part Number

Description InfraCal 2
InfraCal 2
403-1041 S-316 TOG/TPH High Range  
403-1040 S-316 TOG/FOG High Range  
403-1078 Tetrachloroethylene TOG/TPH High Range  
403-104 HexaneTOG/TPH High Range  
403-1072 Hexane TOG/FOG High Range  
403-1080 S-316 TOG/TPH Low Range  
403-1079 Tetrachloroethylene TOG/TPH Low Range  
403-1081 Hexane TOG/TPH Low Range  
  • Customer Prepared Calibration Standards

Customers may prepare their own calibration standards or calibrate against a laboratory method. Detailed instructions can be found in the InfraCal TOG/TPH User's Manual for the respective model - available prior to purchase.


InfraCal 2 ATR-SP Manual OiW Rev 1 5
InfraCal 2 ATR-SP Quick Start

InfraCal 2 TRANS-SP Quick Start Rev 1 3
InfraCal 2 TRAN-SP Manual OiW Rev 1.3



The InfraCal Analyzers for measuring oil in water or soil can be used for a number of different applications. The InfraCal 2 with multiple calibration capability can be calibrated for different types and ranges of measurement. Our primary applications are listed below.

  • TOG/TPH in Produced Water
    As offshore oil wells age, the increase of produced water challenges wastewater treatment systems. Infrared analysis has been used for off-shore oil in water measurements for over 45 years. Infrared is an accepted oil content measurement as it is least affected by changes in produced water composition.

  • FOG in Wastewater
    For industrial pretreatment of wastewater and public water treatment plants a simplified procedure for monitoring FOG discharges can avoid fines, sanitary sewer overflows (SSOs) and give on-site results in less than 15 minutes rather than waiting days or weeks for an off-site laboratory result.

  • Sub-ppm Oil in Water
    As fresh water is becoming recognized as a limited resource around the world, effluent discharge regulations are becoming more stringent—often requiring an oil in water measurement of less than 1 ppm. InfraCal 2 Analyzer is the newest addition to the worldwide-recognized Wilks InfraCal line of portable, filter-based infrared analyzers. The intuitive touch screen interface gives non-technical users on-site results in less than 15 minutes. New electronics and optics improve the sensitivity allowing for sub ppm detection of oil in water.

  • TPH in Soil Remediation
    The InfraCal Analyzers allow for TPH (Total Petroleum Hydrocarbons) in soil testing at remediation sites such as leaking underground storage tanks, frac water holding ponds, produced water evaporation ponds or oil spills. Site managers can avoid having costly soil remediation equipment sit idle while waiting for off-site lab results. Sampling takes less than 15 minutes and requires a few simple steps that can be performed by non-technical personnel.

  • Oil Content in Frac Water
    Whether flowback and produced water from a hydraulic fracturing site is getting cleaned up for the next fracture, going to an off-site treatment facility, evaporation ponds or going through thermal or membrane desalination for agricultural use or surface discharge, removing the oil is typically the first step. Testing the effectiveness of the oil removal system can be especially important if the risk is fouling a membrane or incurring a regulatory fine.

  • Oil in Drill Cuttings
    The large amounts of drill cuttings produced in off-shore drilling require meeting an allowable limit on total petroleum hydrocarbons (TPH) for ocean disposal. The North Sea currently has a 1% limit. Transporting cuttings to shore is labor intensive, costly and could cease due to bad weather. Limit requirements also must be met for on-shore disposal or reuse.

  • Oil in Water in the Petrochemical Industry
    Measuring the oil content in water or soil is a specialty of Wilks. InfraCal Analyzersprovide on-site ppm measurements to help ensure your upstream or downstream wastewater complies with discharge permits and avoid potentially-costly fines.

Sources for Solvents

Sources for Purchasing Solvents


Customer Support within the USA:

Phone: 800-325-3010
Fax: 800-325-5052

See more at: http://www.sigmaaldrich.com/site-level/service.html#sthash.LOBL6nbo.dpuf

International Contact Information listed by Country:http://www.sigmaaldrich.com/site-level/corporate/worldwide-offices.html

Ordering Information:
Part Number:650552 CHROMASOLV® Plus, for HPLC, ≥95% (Sigma-Aldrich)


Southwest Scientific, Inc.
27412 Cenajo
Mission Viejo, CA 92691-1418
(949) 770-2233
(949) 770-2261 Fax
(714) 290-6316 Cell

William G. McDonnel
General Manager
E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.

Tetrachloroethylene, ULTRA RESI-ANALYZED:


  • Formula: ClC:CCl
  • Formula Weight: 165.83
  • For Trace Hydrocarbon Analysis by IR Spectrophotometry

Avantor Performance Materials
8:00 a.m. to 5:30 p.m. (EST), Monday-Friday
Phone: 1-855-282-6867
1-610-573-2600 (outside U.S.)
Fax: 1-610-573-2650

Find a Distributor: http://www.avantormaterials.com/Find_a_Distributor.aspx

Ordering Information:https://www.avantormaterials.com/commerce/product.aspx?id=2147509408




All InfraCal Oil in Water/Soil Analyzers come with a One Year Factory Warranty against defective parts and workmanship. Additional one year and two year Extended Factory Warranties are available as follows and must be purchased at the time the original analyzer is purchased:

InfraCal 2 Model ATR-SP & Model TRANS-SP
403-1089 Extended Factory Warranty for additional One Year (total two year factory warranty from date of shipment)
403-1090 Extended Factory Warranty for additional Two Years (total 3 year factory warranty from date of shipment)

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