manufacturer :       Thermo Electron

model :                   Konelab 20i

annotation :           Dokumente engl .

Throughput

Workload dependent, being in typi­cal routine use up to 200 tests/hour . Time to first result is typically 3 to 12 minutes.

Samples

Continuous access to samples with­out interrupting test processing. MAX ON-BOARD CAPACITY:

84 routine samples and 5 STAT sam­ples - 6 segments with 14 positions per segment. Integrated barcode reader and cup/ tube recognition. SAMPLE CUPS AND TUBES:

0.5 ml and 2.0 ml cups, 5 ml and

7 ml tubes, 10 ml tubes with tailored segments.

SAMPLE TYPES: Serum , plasma, urine, CSF.

SAMPLE VOLUMES: Possible range 1-120 µ l ; typically 2-15 µl and 50 µl for Na+ K+ and Cl - tests

Reagents

Continuous access to reagents without interrupting test processing. External barcode reader for identifica­tion. Real time reagent status clearly displayed. Up to four reagent addi­tions / test possible.

ON-BOARD STORAGE:

35 positions in the cooled reagent disk.

REAGENT VIALS: 10, 20 and 60 ml REAGENT VOLUMES: 2-250 µl; typi­cally 120 - 200 µl.

Cuvettes

Discrete disposable 12-cell cuvette . Continuous access to cuvettes with­out interrupting test processing. ON-BOARD CAPACITY:

600 measurement cells - 50 multicell cuvettes with 12 reaction cells, typi­cally up to up to 3 hours walk-away time.

Calibration

Linear, non-linear or bias calibra­tion. Method-dependent use of individual calibrators or automati­cally diluted series from a stock calibrator. Automatic repeat for bias correction available

Quality Control

Real time QC with multiple, user-definable Westgard rules. Programmable control interval. QC chart printouts, daily and cumulative reports.

Sample and Reagent Dispensing

Externally and internally rinsed single probe dispensers equipped with level sensing.

Dispensing with precision syringes driven by stepping motors. REACTION END VOLUME: 100-250 µl.

SAMPLE CARRY OVER: <1%. REPRODUCIBILITY:

CV less than 2% for sample volumes ≥2 µl and for reagent volumes >5 µl

Dilutions

Automatic sample pre-dilution. Automatic post-dilution with both high and low secondary dilution ratios. Ability to add the value of manual pre-dilution for the result calculation.

DILUTION RATIOS: up to 1+120

Photometric Measurement

Single channel interference filter photometer with beam splitting reference- 11 fixed filters, others available upon request. SPECTRAL RANGE: 340-800 nm. MEASUREMENT TEMPERATURE: 37°C

MEASUREMENT PRINCIPLES: Colorimetric, turbidimetric . MEASUREMENT MODES:

Kinetic, end-point.

KINETIC MEASUREMENT:

30 sec to 60 min, max 12 points LIGHT SOURCE: Halogen lamp. with linear absorbance range of 0-2.5 A, resolution of 0.001 A and reproducibility of SD≤0.005 A at 2 A.

ISE Measurement in the model Konelab 20i

Direct potentiometry . Electrodes for Na+, K+ and Cl -; upon request Li+.

SAMPLES: Serum, plasma and urine.

USABLE RANGE: ( mmol /l)

serum , plasma:

K+ 2.0 - 10

Na+ 100 - 200

Cl-        55 - 150

serum :

Li+ 0.2 - 4.0

urine :

K+ 20 - 200 Na+ 20 – 200

Dimensions and Weight Width 80 cm, depth 79 cm, height 115 cm, weight 130 kg. Separate workstation table.

Power Requirements

100-240 V ±10%, 50-60 Hz ±5%, 300 W Konelab 20, 350 W Konelab 20i.

Distilled Water Consumption Typically <0.5 l/h

On-board storage with no external connections required.