Versatility meets functionality for your measurement needs in the lab

Reduce the footprint of your benchtop today by combining multiple parameters into one unit. For measurements involving a combination of parameters, including pH, ion concentration, conductivity, dissolved oxygen, and temperature, our benchtop multiparameter meters are designed to help increase the productivity of your lab.

 

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  Orion Versa Star Pro pH/ISE, Conductivity and RDO/DO Benchtop Meters
Orion Versa Star Pro pH/Conductivity Benchtop Meters
Orion Star A215 pH/Conductivity Benchtop Meters

Orion Star A216 pH/RDO/DO Benchtop Meters

  (VSTAR90 series) (VSTAR50 series)

(STARA2150 series) (STARA2160 series)
  Premium pH, ISE, conductivity, dissolved oxygen multiparameter benchtop meter Premium pH and conductivity measurement benchtop meters Advanced Orion pH and conductivity measurement benchtop meters Advanced Orion pH RDO DO measurement benchtop meters
  Multiparameter high-performance laboratory measurement system Dual parameter high-performance laboratory measurement system Dual parameter easy to use, dependable laboratory meters Dual parameter easy to use, dependable laboratory meters
Ideal for applications in: Food and beverage, industrial, water Pharmaceutical, biotechnology, food and beverage Chemical, contract testing, water Water, wastewater, chemical
pH range –2.000 to 20.000 –2.000 to 20.000 –2.000 to 20.000 –2.000 to 20.000
pH resolution 0.001/0.01/0.1 0.001/0.01/0.1 0.001/0.01/0.1 0.001/0.01/0.1
pH calibration points Up to 6 Up to 6 Up to 5 Up to 5
pH calibration modes Auto buffer recognition with option to edit values Auto buffer recognition with option to edit values Auto buffer recognition with option to edit values Auto buffer recognition with option to edit values
Automatic buffer sets USA/NIST, DIN, or custom USA/NIST, DIN, or custom USA/NIST or DIN USA/NIST or DIN
mV, RmV, ORP modes Yes Yes Yes Yes
ISE range 0.0001 to 19,990 --- --- ---
ISE resolution Up to 4 significant digits --- --- ---
ISE calibration points Up to 6 --- --- ---
Incremental techniques Single known addition or subtraction, double known addition or subtraction, analyte (sample) addition or subtraction --- --- ---
Conductivity range 0.001 µS to 3000 mS 0.001 µS to 3000 mS 0.001 µS to 3000 mS ---
Conductivity resolution Up to 4 significant digits Up to 4 significant digits Up to 4 significant digits ---
Conductivity cal. points Up to 6 Up to 6 Up to 5 ---
Conductivity cal. modes Auto standard recognition, manual standard entry, or manual cell constant entry Auto standard recognition, manual standard entry, or manual cell constant entry Auto standard recognition, manual standard entry, or manual cell constant entry ---
Temp. compensation Linear, nonlinear (nLFn, nLFu), EP/USP, off Linear, nonlinear (nLFn, nLFu), EP/USP, off Linear, nonlinear (nLFn, nLFu), EP/USP, off ---
Reference temperature 5, 10, 15, 20 or 25°C 5, 10, 15, 20 or 25°C 5, 10, 15, 20 or 25°C ---
Additional modes TDS, salinity, resistivity TDS, salinity, resistivity TDS, salinity, resistivity ---
Compatible probes RDO, polarographic --- --- RDO, polarographic
DO range (polarographic) 0 to 90 mg/L, 0 to 600% --- --- 0 to 90 mg/L, 0 to 600%
DO range (RDO optical) 0 to 50 mg/L, 0 to 500% --- --- 0 to 50 mg/L, 0 to 500%
DO calibration modes Water-saturated air, air-saturated water, manual (Winkler), zero point --- --- Water-saturated air, air-saturated water, manual (Winkler), zero point
Barometric pressure compensation Automatic, with built-in barometer --- --- Automatic, with built-in barometer
Salinity correction Automatic, with cond. probe or manual input --- --- Automatic, with manual factor input
Display type Adjustable color graphic LCD Adjustable color graphic LCD Graphic LCD Graphic LCD
Backlit display Yes Yes Yes Yes
Onscreen text prompts Step-by-step calibration and guided setup instructions Step-by-step calibration and guided setup instructions Step-by-step calibration and guided setup instructions Step-by-step calibration and guided setup instructions
Keypad Numeric, with menu-specific function keys Numeric, with menu-specific function keys Comprehensive, with menu-specific function keys Comprehensive, with menu-specific function keys
Number of channels  4, customizable with modules  4, customizable with modules 2 2
Stirrer probe inputs 2 2 1 1
Measurement read modes Auto-read, continuous, timed, single-shot Auto-read, continuous, timed, single-shot Auto-read, continuous, timed Auto-read, continuous, timed
Methods 10 per channel 10 per channel 10 per channel 10 per channel
Data log 2000 with date/time 2000 with date/time 2000 with date/time 2000 with date/time
Calibration log 30 per mode 30 per mode 10 10
Identification options Electrode ID, sample ID, user ID Electrode ID, sample ID, user ID Sample ID, user ID Sample ID, user ID
Alarms Set point, high/low limit, calibration due Set point, high/low limit, calibration due High/low limit, calibration due High/low limit, calibration due
External device output USB (2), RS232 USB (2), RS232 USB, RS232 USB, RS232
Certifications IP-54, CE, TUV 3-in-1, FCC Class A IP-54, CE, TUV 3-in-1, FCC Class A IP-54, CE, TUV 3-in-1, FCC Class A IP-54, CE, TUV 3-in-1, FCC Class A
Power supply Universal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR) Universal, 100–240VAC, 50–60Hz (Cat. No. STARA-PWR) Universal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteries Universal, 100–240VAC, 50–60Hz (Cat. No. 1010003) or 4 AA batteries
  Enhance your productivity with accessories for your benchtop and portable meters. Meter Accessories ›

Portable Multiparameter Meters

multiparameter measurement portable meters

Take your measurements to the field without sacrificing accuracy and reliability. Our portable meters are rugged and waterproof, and provide the dependable performance that your demanding applications require.

Electrodes 
and probes

electrodes and probes for your multi parameter measurements

Our wide selection of electrochemical probes, sensors, and electrodes are designed to make your complex measurements reliable and accurate—in the lab or in the field. All are available in a variety of body materials, body styles, and sample requirements.

Buffers and
solutions

buffers and solutions

We offer buffers, electrode storage solutions, electrode cleaning solutions, lab buffer kits, and electrode filling solutions for your conductivity measurement needs. Find the buffers and solutions that you need for your process.

Choose the best electrode for your application

This interactive Orion electrode selection guide will help you to find the perfect electrode for your application based on your requirements.

Find your electrode

Resources
Support

Knowledge Base: Certificates of Analysis and SDS for Orion, ROSS, AQUAfast, AquaMate, and AquaSensors products.

Orion Meters Software and Upgrades
Thermo Scientific Orion benchtop and portable meters are designed to help deliver accurate, consistent results, day after day. Boost productivity by upgrading your software today.

Find your software