Sistema Viva-Jr Rendimiento en pruebas de referencia para detección de drogas con tecnología EMIT

The Viva-Jr® is an easy-to-use, benchtop analyzer featuring full walkaway capabilities to meet your drug testing needs. The Viva-Jr offers a complete menu of gold-standard EMIT® assays for drugs of abuse and toxicology, including sample validity testing, in a true tabletop system.

  • User-friendly Windows® software
  • Very little maintenance required
  • No reagent preparation
  • Only minimal calibration and control requirements
  • True benchtop system: small, space-efficient footprint
  • Broad drugs-of-abuse, toxicology, and validity testing menu

Características y Beneficios

The Viva-Jr® System processes gold-standard Syva® EMIT® reagents for drugs of abuse testing (DAT) and toxicology, as well as performs validity testing of samples. Designed for low-volume labs, treatment centers, criminal justice facilities, and industrial facilities, get these features with the Viva-Jr System and Syva EMIT reagents:

Viva-Jr System Features Image

Fast and flexible

  • Up to 66 EMIT tests per hour - guarantees faster turnaround of test results
  • 25 sample onboard capacity
  • 9 EMIT methods onboard
  • Continuous sample loading and true random access
  • Common reagent system
  • 5 open channels
  • Seamless lot transitions
  • Accepts a variety of sample tube sizes and specimen cups

Reliable and efficient

  • Built on a proven heritage of over 40 years of experience
  • Diagnostic integrity through barcode sample identification
  • Minimal calibration/control requirements with liquid ready-to-use reagents stored onboard
  • Economical cuvette rotors last for 10,000 tests
  • Dedicated team provides customized support, 24/7


  • Small, space-efficient footprint – fits easily in any workspace
  • Instrument dimensions: 89 x 69 x 58cm (W x H including monitor x D)
  • True benchtop system 

Easy to use

  • Easy-to-use software
  • Convenient EMIT packaging
  • Low maintenance
  • Bidirectional interface and host computer connection
  • Includes in-house or on-site training


Emit® Drugs of Abuse 
Cocaine Metabolite
Ethyl Alcohol

Immunalysis Drugs of Abuse§
Ethyl Glucuronide (EtG)
Synthetic Cannabinoids-1
Synthetic Cannabinoids-2
Synthetic Cannabinoids-3

EMIT Serum Toxicology 
Salicylic Acid
Tricyclic Antidepressants

Specimen Validity Test 
Specific Gravity

Especificaciones Técnicas


  • 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