Selectra Pro S

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Fully-featured, compact system with enhanced performance. Throughput is up to 133 photometric tests/hour and up to 333 tests/hour with ISE.

The latest in the Selectra Pro series, the Selectra ProS is our most compact, fully featured system with enhanced performance and best-in-class operator interface. New system features enable significant enhancements, not typically found in BenchTop chemistry analyzers. Together with a superior menu of ready-to-use, liquid-stable reagents, the Selectra ProS provides a fully integrated chemistry solution for smaller or satellite laboratory locations. With random access and typical throughput up to 140 tests per hour, the Selectra ProS system is the ideal BenchTop workhorse for primary, STAT or back-up testing needs. This new system offers minimal maintenance and effective use of consumables to truly reduce operational cost.

  • Fully-automated clinical chemistry analyzer
  • Typically 140 photometric and electrolyte tests / hour
  • Broad test menu
  • Best-in-class operator interface
  • Productivity and error reducing capabilities
  • Automated reagent management
  • Annual ProActive Maintenance Kit

Delivering trouble-free results laboratories can trust!

Catalogue Number(s)

Product Description: Selectra ProS Chemistry System


Processing Center

Selectra ProS

Selectra ProS

Single probe streamlines operation

  • Liquid sensor detection
  • Collision protection
  • Precision metering

Optimized test environment ensures accurate results

  • Unique ‘vortex’ mixing
  • Temperature controlled, 37°C

Disposable cuvette rotor with automated onboard wash

  • 10,000 tests / cuvette rotor

pros_processing_center_web[1]Combined reagent and sample rotor with integrated cooling

  • Enables 28 day onboard stability for most reagents
  • 30 reagent positions
  • Ready-to-use, liquid-stable reagents
  • Methodologies referenced to industry standards

Barcoded for easy loading and tracking

  • Bottle barcode loads assay ID, expiration date, lot number,  bottle size, test count
  • Test parameters, calibration, and control values also loaded via barcode

psidCombined reagent and sample rotor with Positive Sample Identification (PSID)

  • Increases productivity and reduces errors
  • Accommodates 25 samples
  • Primary tubes (13 x75 mm) and sample cups

Dry ISE Technology

Patented dry Ion Selective Electrodes (ISE) technology

  • Reduces reagent waste and operating costs
  • Long onboard stability from 3 months – 2 years
  • Longer linear range

Command Center

New best-in-class operator interface with Selectra Touch Pro software

  • Touch screen monitor with next generation software navigation
  • Intuitive color icons guide the operator through daily workflow
  • Rapid access to key operations at a touch

Powerful software capabilities simplify operation

  • Automated sample programming with optional host query LIS interface and PSID
  • Real time tracking to plan and manage on-board inventory
  • 40 configurable result checks enable auto validation
  • Automated programming of assays, calibrators and control values using barcodes
  • Maintenance tasks can be scheduled to run automatically when chemistry analyser is not in use
  • Powerful reporting and back up functionality


Typically 140 photometric and electrolyte tests / hour.

Reagent and Sample System

  • One rotor combining sample and reagent positions
  • Inner rotor ring:
    • 30 refrigerated reagent positions for 10 mL, 25 mL and 50 mL reagent bottles
    • Cooled to 10°C +/- 4°C at normal laboratory conditions
    • All reagent positions can be assigned as R1, R2 and R3.
  • Outer rotor ring:
    • 25 barcode readable positions
    • All positions fit 13×75 mm primary and secondary tubes and pediatric cups
  • All positions can be used for calibrators, controls, normal, pediatric and STAT samples.

Pipetting System

  • R1 volume 110-400 µl
  • 1000 µl reagent syringe:
    • R2 volume 0-180 µl
    • R3 volume 0-180 µl
    • Programmable in 1 µl steps
    • Sample volume 1-30 µl
  • 100 µl sample syringe:
    • Programmable in 0.1 µl steps
  • Programmable dilution ratios 1:5 up to 1:100 in one step increments with 3 possible diluents
  • Pre-heated probe with level detection, collision protection and integrated mixer.

Cuvette Rotor

  • Cost effective, semi-disposable cuvette rotor with 48 cuvettes
  • 10,000 tests per rotor
  • Typical reagent consumption 250 µl per test
  • Measurement temperature 37°C, controlled by Peltier elements.

Light Source

Quartz-iodine lamp 12V-20W.

Wavelength Range

  • Optical unit with 8 position filter wheel
  • 340, 405, 505, 546, 578, 620, 660, 700 nm standard wavelengths
  • Other wavelengths available on request.

Photometric Range

  • 0.1 to 3.0 Absorbance
  • Resolution 0.001 Abs.

Analytical Modes (Single, Dual and Triple reagent system)

  • Kinetic measurement with linearity check
  • Mono- and bichromatic end point measurement with or without bichromatic reagent blank and/or sample blank correction
  • Two point measurement; with or without slope blank
  • Graphic plot of all measuring points
  • Predilution and automatic reflex dilution as needed
  • Non-linear calibration curves
  • Prozone check for immunology tests
  • Cut-off declaration
  • Calculated tests.

Quality Control

  • Up to 15 controls can be defined, 3 per test
  • Westgard or Basic QC rules
  • Levey-Jennings plots
  • Quality control statistics.

Water Consumption

~950 mL per hour when fully operating.

Standards and Regulations

  • CE-IVD
  • CB
  • Pending FDA clearance
  • UL.


  • 90 x 75 x 60 cm (W x H x D)
  • 36 x 30 x 24 in (W x H x D)
  • Weight: 75 kg (165 lbs).


  • State of the art Host-Query interface available;
  • Host: RS 232 or Ethernet (TCP/IP) through LIS-2A protocol.

Environmental Conditions

  • Temperature: 15 – 32 °C (59 – 90 °F)
  • Humidity: 15 – 85% RH
  • Altitude: up to 2000 m
  • Plumbing: No dedicated water or drain required
  • Electrical:
    • Voltage: 100 – 240 Vac
    • Frequency: 50 – 60 Hz
    • Power (max): 350 VA .

Integrated PC

  • Touch screen navigation
  • Operating system: Windows™ Embedded


Barcode Reader

Hand held CCD barcode reader used for reagent identification and automated programing of assays, controls, and calibrators.

Dry ISE Module

  • Patented Solid State Electrode Technology
  • Indirect Measurement
  • Dilution 1:14
  • Measures Sodium, Potassium, Chloride and CO2.

Positive Sample Identification

Positive Sample Identification (PSID) reads all popular barcodes.


Printer supported by MS Windows™.

ProActive Maintenance Kit

Complete parts kit for annual preventive maintenance.

rotorThe broad test menu provides flexibility in reagent containers with optimum sized packaging to further enhance efficiency. New features enable automated programming of assays, with barcoded reagents, calibrators and controls streamlining operations and reducing errors.

  • Dedicated line of ready-to-use, liquid-stable assays, packaged to fit the BenchTop laboratory
  • Tied to proven methodologies, referenced and traceable to industry standards
  • Standardized results across ELITech Clinical Systems Selectra Family
  • Ongoing commitment to develop new methods and enhancements



  • Albumin
  • Bilirubin, Direct
  • Bilirubin, Total
  • Cholesterol
  • Cholesterol, HDL
  • Cholesterol, LDL
  • Creatinine
  • Glucose
  • Microprotein Plus
  • Total Protein Plus
  • Triglycerides
  • Urea UV
  • Uric Acid


  • Alanine Aminotransferase (ALT/GPT)
  • Alkaline Phosphatase (ALP)
  • Amylase
  • Aspartate Aminotransferase (AST/GOT)
  • Creatine Kinase MB (CK-MB)
  • Creatine Kinase NAC (CK-NAC)
  • Gamma Glutamyl transpeptidase Plus (GGT Plus)
  • Lactate Dehydrogenase (LDH-L)
  • Lipase

Specific Proteins (* without barcode)

  • C-reactive Protein (CRP IP)*
  • Haptoglobin*
  • Glycosylated Hemoglobin (HbA1c)
  • Immunoglobin A (IgA IP)*
  • Immunoglobin G (IgG IP)*
  • Immunoglobin M (IgM IP)*
  • Microalbumin*
  • Orosomucoid*
  • Prealbumin*
  • Transferrin*

Electrolytes and Ion Selective Electrodes (ISE)

  • Calcium
  • Chloride
  • Iron
  • Magnesium
  • Phosphorus
  • Carbon Dioxide (ISE)
  • Chloride (ISE)
  • Potassium (ISE)
  • Sodium (ISE)