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Siemens V-Twin

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DESCRIPTION

The V-Twin® System maximizes the performance of your gold standard Syva® EMIT® reagents. Fast and easy to use, it processes more tests at lower cost, incorporating its own backup system for greater reliability. A broad range of assays for drugs of abuse, therapeutic drugs and immunosuppressants makes drug testing more convenient than ever.

  • Twin-unit design, incorporating its own backup system
  • Built on years of experience with the Viva system
  • Up to 26 EMIT reagents simultaneously onboard
  • Long walkaway time to keep hands free for other important work
  • State-of-the-art software in combination with ease of operation
  • Broad menu of drugs of abuse, validity testing, toxicology, and therapeutic drug testing assays including immunosuppressive drug testing assays

Designed for mid- to high-volume labs, treatment centers, transplant management centers, criminal justice facilities, and industrial facilities, the V-Twin® System processes gold-standard EMIT® therapeutic drug monitoring (TDM), immunosuppressant drug monitoring (ISD), drugs of abuse testing (DAT) and toxicology assays, as well as performing validity testing of samples, and offers the following features:

Fast and flexible

  • Up to 260 EMIT tests per hour
  • 80 sample onboard capacity provides long walkaway time
  • Up to 24 EMIT methods from an unparalleled portfolio cooled onboard
  • Continuous sample loading and true random access capability for routine and STAT samples
  • Two separate reagent rotors can be customized according to your laboratory’s needs
  • Common reagent system
  • 10 programmable open channels
  • Seamless lot transitions

Reliable and cost-effective

  • Built on a proven heritage of over 40 years of experience
  • Twin-unit design for integrated back-up
  • Diagnostic integrity through positive sample identification on primary tubes
  • Reusable cuvettes reduce consumable costs
  • Efficient cuvette cleaning keeps waste to a minimum

Easy to use

  • Bidirectional interface and host computer connection
  • QC program results are stored onboard and are easy to review
  • Easy-to-use software
  • Convenient EMIT packaging
  • Easy maintenance

SPECIFICATIONS

Throughput
  • Up to 260 EMIT® tests per hour with two reagents
  • Up to 130 EMIT® tests per hour with three reagents
Reagent system
  • 2 Emit reagent rotors
  • Each rotor has 14 positions for 30 mL bottles and 12 positions for 15 mL bottles, all positions can be assigned as R1, R2 and R3; adapters for 3, 6 and 15 mL bottles
  • Reagent rotor compartment is cooled to approximately 12°C
  • Reagent Volumes:
    – Reagent 1 volume 110-400 μL
    – Reagent 2 volume 0-180 μL
    – Reagent 3 volume 0-180 μL
  • Preheated reagent probes with level detection and integrated mixer
Sample system-providing
continuous loading
  • Positive sample identification
  • Sample rotor containing:
    – 80 barcode read samples positions
    – 20 calibrators
    – 10 controls
  • STAT and pediatric functionality
  • Continuous loading
  • Internal barcode reading
  • Primary tubes (13 or 16 mm OD)
  • All positions can contain 5 mL or 10 mL primary tubes or sample cups
  • Sample volume 1-30 μL per test, programmable in steps of 0.1 μL
  • Sample probe with level detection and integrated mixer
Sample predilution
(Dual Reagent Mode only)
Programmable ratios 1:5, 1:10, 1:20, 1:30, 1:40, 1:50 with 3 possible diluents
Pipetting system (2)
  • HAMILTON syringes and valve block
  • Reagent syringe 1000 μL
  • Sample syringe 100 μL
Cuvette rotor (2)
  • 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 (2)
  • Cuvette-washing with 4 x 500 μL of water. The unit is equipped with liquid sensors. Waste is separated into diluted and concentrated (sample/reagent mixture and optional ISE-unit) waste. Cuvettes are dried before use.
  • Deionized water: 1L per hour while in use.
Light source Quartz-iodine lamp 12 V-20 W
Wavelength range
  • 2 optical units each with a 8-position filter wheel
  • Automatic wavelength selection by 8-position filter wheel (340, 415, 505, 546, 570, 660, 700 and 600 nM), half bandwidth 8 to 12 nM
Photometric range -0.1 to 3.0 Absorbance
Analytical modes
  • Kinetic measurement with linearity check
  • Bichromatic endpoint 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 80 %
Calculation modes
  • Logit Log4
  • Nonlinear calibration curves
  • Graphic plot of all measuring points
  • Prozone check for immunology tests
  • Cut-off declaration
Quality control
  • Up to 15 different controls can be defined, 3 per test
  • Westgard rules
  • Levey-Jennings plots
Computer
  • Windows® based
  • PENTIUM processor
  • Monitor 1024 x 768 pixels
  • CD-ROM drive
  • Ports: 2 serial, 1 USB and 1 printer port
Printer
  • The application supports two printers simultaneously; one for patient reports and one for calibration and system data
  • Most printers supported by Windows® can be connected.
Barcode reader (option) Handheld CCD barcode reader (can read all common barcodes) used for test requisition and reagent identification
Languages
  • English
  • French
  • German
  • Italian
  • Spanish
  • Others on request
Electrical 120 V AC ± 10%, 20A @ 60 Hz, 1.5 kV A
Dimensions (floor) 46 x 45 x 30 in. (117 x 115 x 77 cm) (W x H excluding monitor x D)
Weight 418 lbs. (190 kg)

ASSAYS

EMIT® Drugs of Abuse
6-Acetylmorphine
Amphetamines*
Barbiturates
Benzodiazepines
Buprenorphine
Cannabinoids
Cocaine Metabolite
Ecstasy
Ethyl Alcohol
LSD
Methadone
Methamphetamine*
Methaqualone
Opiates
Phencyclidine
Propoxyphene

Immunalysis Drugs of Abuse**
EDDP
Ethyl Glucuronide (EtG)
Ketamine
Meperidine
Oxycodone
Synthetic Cannabinoids-1
Synthetic Cannabinoids-2
Synthetic Cannabinoids-3
Tramadol

Emit Therapeutic Drug Monitoring
Amikacin
Caffeine
Carbamazepine
Cyclosporine
Digoxin
Disopyramide
Ethosuximide
Gentamicin
Lidocaine
Methotrexate
Mycophenolic Acid‡
Phenobarbital
Phenytoin
Primidone
Procainamide
Quinidine
Sirolimus
Tacrolimus
Theophylline
Tobramycin
Valproic Acid
Vancomycin

ARK Therapeutic Drug Monitoring**
Gabapentin
Lamotrigine
Levetiracetam
Methotrexate
Topiramate
Zonisamide

Emit Serum Toxicology
Acetaminophen
Barbiturates
Benzodiazepines
Salicylic Acid
Tricyclic Antidepressants

Specimen Validity Test
Creatinine††
Nitrites††
Oxidants††
pH††
Specific Gravity††