Orion Intrinsically Safe Waterproof Basic Conductivity Meter, with DuraProbe Conductivity Cell, 0.00 to 500 mS

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Management number 211150973 Release Date 2026/04/04 List Price $479.65 Model Number 211150973
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The Thermo Scientific Orion 0131S0 Basic waterproof conductivity meter, with four-electrode conductivity cell (DuraProbe), displays conductivity, salinity, total dissolved solids (TDS), and temperature readings, is rated intrinsically safe, stores 100 data points, and allows automatic, manual, linear, and nonlinear temperature compensation. The meter is rated as intrinsically safe by Factory Mutual (FM) for use in nonsparking or hazardous environments. The meter and Mini-DIN (Deutsches Institut für Normung) input connector are waterproof, with an IP66 Ingress Protection (IP) rating. Temperature compensation can be set for automatic, manual, linear, and nonlinear functions for ultrapure or natural water applications. The Orion 0131S0 is compatible with a four-electrode cell (included) and a two-electrode cell. It is preprogrammed with self-diagnostic routines. The meter can be calibrated by using an automatic calibration function or the cell constant adjustment method.Conductivity range for a four-electrode cell is 0.0uS/cm to 500mS/cm. For a two-electrode cell, conductivity range is 0.0uS/cm to 100.0uS/cm. Conductivity relative accuracy is <0.5% of measured value, or + 1 digit. Salinity range is 0.0 to 45.0 ppt at 10 to 30 degrees C, with relative accuracy of <0.5% of measured value, or + 1 digit. TDS range is 0 to 1999 mg/L at 10 to 40 degrees C, with relative accuracy of <0.5% of measured value, or + 1 digit. Temperature range is -20 to 120 degrees C, with relative accuracy of + or - 0.3 degrees C. The Orion 0131S0 uses three AA batteries (sold separately). This meter has a three-year warranty. Conductivity (EC) is the ability of a solution or material to conduct an electrical current. TDS measurement indicates materials such as salts, bases, or minerals, which contribute to electrical conductivity within a solution. pH testers measure the acidity or alkalinity of a substance. EC, pH, and TDS meters are commonly used by researchers, manufacturers, and hobbyists in aquaculture, agriculture, hydroponics, and water-testing, and for scientific applications.Thermo Fisher Scientific manufactures analytical instruments, laboratory equipment, consumables, and software under the Thermo Scientific and Fisher Scientific brands, among others. The company was founded in 2006, and is headquartered in Waltham, MA.What’s in the Box?Thermo Scientific Orion conductivity meter 0131S0Four-electrode conductivity cell 013010 Instructions

  • Portable meter displays temperature with choice of conductivity, salinity, or TDS on backlit LCD screen
  • Rated as intrinsically safe for use in nonsparking environments
  • Meter and 8-pin Mini-DIN input connector are waterproof
  • Temperature compensation choices are automatic, manual, linear, or nonlinear for ultrapure and natural water applications
  • Includes four-electrode conductivity cell
Item Weight 3.7 pounds
Manufacturer Thermo Scientific
Item model number ORI-0131S0
Package Dimensions 12.6 x 11.5 x 8.1 inches

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