Viva-Jr System

Gold-standard drug-testing performance with EMIT technology


  • 66 EMIT® tests per hour
Reagent and sample system
  • One rotor combining both sample and reagent positions
  • Inner rotor ring:
    • 18 positions for reagent bottles
    • Cooled to approximately 8-12°C
  • Outer rotor ring:
    • 25 positions for samples, controls and calibrators
    • 3 positions for reagent bottles at ambient temperature
  • All reagent positions can be assigned as R1, R2 and R3
  • Reagent 1 volume 110-399 μL
  • Reagent 2 volume 0-298 μL
  • Reagent 3 volume 0-298 μL
  • Preheated reagent and sample needle with level detection and integrated mixer
  • Continuous sample loading
  • 13 mm OD primary tubes
  • All sample positions can contain 5 mL primary tubes or sample cups
  • Sample volume 2-30 μL per test, programmable in steps of 0.1 μL
Sample predilution Available in the 5 open channels, programmable ratios 1:5, 1:10, 1:20, 1:30, 1:40, 1:50 with 3 possible diluents
Pipetting system
  • KLOEHN syringes and valve block
  • Reagent syringe 1000 μL
  • Sample syringe 100 μL
Cuvette rotor
  • Semi-disposable rotor with 48 cuvettes, path length 7 mm
  • Minimum measuring volume 220 μL
  • Measuring temperature 37 °C controlled by Peltier elements
Washing units
  • Cuvette-washing with 4 x 500 μL of water:
    • The unit is equipped with liquid sensors
    • Waste can be collected in an external waste collection bottle, level float protected, or dispensed directly to a external drain
    • Cuvettes are dried before use
  • Distilled water: 1 L per hour while in use
Light source Quartz-iodine lamp 12 V - 20 W
Wavelength range Automatic wavelength selection by an 8-position filter wheel (340, 415, 505, 546, 570, 600, 660 and 700 nM). Half bandwidth 8 to 12 nM
Photometric range -0.1 to 3.0 Absorbance
Analytical modes
  • Kinetic measurement with linearity check
  • Bichromatic end point measurement with or without bichromatic reagent blank and/or sample blank correction
  • Two point measurement
  • Automatic rerun with sample reduction
Ambient temperature
  • 15 - 32°C
  • Maximum humidity 85%
Calculation modes
  • Logit Log
  • Non-linear calibration curves
  • Graphic plot of all measuring points
  • Prozone check for immunology tests
  • Cut-off declaration



The products/features (mentioned herein) are not commercially available in all countries. Due to regulatory reasons their future availability cannot be guaranteed. Please contact your local Siemens organization for further details.

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