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Thermo Scientific Orion Versa Star pH/ISE/Conductivity/DO/RDO/Temperature Benchtop Multiparameter Meter

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Specifications for this item
Number of Items
Measurement Type
pH , Dissolved Oxygen (DO) , Temperature , Rugged Dissolved Oxygen , Electrical Conductivity
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Brand Name
Thermo Scientific Orion
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Key Features

  • Benchtop meter displays pH, ISE (ion selective electrode), conductivity, RDO/DO, and temperature (with separately sold modules) on four customizable channels of the large color LCD screen for advanced electrochemistry in the laboratory
  • Five modules available for the meter are pH/temperature, pH/ISE/temperature, conductivity/temperature, RDO/DO/temperature, and pH/LogR with advanced electrode diagnosis/temperature
  • Each channel can store 10 methods in memory for differentiating between tests and/or users
  • Data logging function can be set to timed, continuous update, manual, and auto-read that locks readings on the screen, with an alert that signals when the reading is stable
  • Accessories include electrode arm, probe holder, and universal power adapter

Package Details

Shipping Weight: 5.85 pounds
Package Size: 18.8 x 10.6 x 6.5 inches

Product Description

The Thermo Scientific Versa Star benchtop meter can display pH, ISE (ion selective electrode), conductivity, and RDO/DO readings plus temperature on four customizable channels, with easy-to-use key layouts and color screen graphics on the large, backlit, fully customizable LCD screen for advanced electrochemistry in the laboratory. The meter has four channels that can be configured by selecting from five available modules for pH, pH/ISE, conductivity, RDO/DO, and the pH/LogR module with advanced electrode diagnosis. All five modules measure temperature and can be mixed and matched as needed, with no need to power off the meter. Each channel can store 10 methods for customized procedures to differentiate between tests and/or users. Electrode status, time, date, sample ID, user ID, and calibration points are also displayed with the measurements.

The meter is designed for ease of use, with clear screen prompts, updateable function keys, and an interface that supports English, Spanish, French, Italian, German, and Chinese. A pre-programmed auto-read function is available to lock stable readings on the screen, with an indicator alert that signals when the reading is stable. The meter can also be set for manual readings, for timed readings that gather data at specific time intervals, and for continuous updates on the display. Non-volatile memory holds up to 2,000 data points with time and date stamp. With the complimentary data analysis software, results can be transferred to a Windows-based computer and stored, or readings can be displayed in real-time.

The Versa Star meter has an IP 54 rating for limited ingress of dust and protection against water splashes. The electrode arm (included) can be attached to either side of the instrument. Meter and module inputs include Bayonet Neill-Concelman (BNC) and 8-Pin Mini-DIN (Deutsches Institut für Normung). Meter output ports include two stirrer jacks, RS-232 for communications and data transfer, and two USB (one client, one host) for communication and data transfer. Certifications for this meter include CE, TÜV, and FCC Class A limits.


Maximum number of modules4
MethodsUp to 10 per channel
Datalogging memory2,000 with time and date stamp
Power sourceUniversal power adapter (included); or (4) 1.5V AA batteries (not included)

A multiparameter meter is a benchtop or handheld device that can take multiple readings on a single sample. It measures parameters such as the pH level (acidity or alkalinity of a substance), conductivity (the amount of salts or other compounds present in water), dissolved oxygen (DO, the amount of oxygen in a liquid), temperature, total dissolved solids (TDS, anything present in water other than the pure water molecule and suspended solids), salinity, resistivity, and oxidation reduction potential (ORP). Applications for multiparameter meters include water testing, pharmaceuticals, agriculture, winemaking, water-treatment plants, and acquaculture. Devices with a benchtop body are often used for indoor laboratory use or in a manufacturing setting; handheld, portable devices are typically used for fieldwork. Sensors are used with a meter to measure the parameters of a substance.

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?
  • Versa Star benchtop meter
  • Electrode arm with holder
  • Universal power adapter

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