Wescor - Model 4420
Colloid Osmometer
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General Specifications
Depth | 28 cm |
Sample Volume | 125 to 350 μL |
Height | 14 cm |
Width | 18 cm |
Power Requirements | 100 V, 115 V, or 220/240 V, (user-selectable), 50 to 60 Hz. |
Peak Power | 5 W |
Weight | 3.2 kg |
Additional Specifications
Sample Loading: Direct syringe injection, flow through system.
Standard Membranes: Selectively impermeable to proteins exceeding 30,000 or 10,000 molecular weight. Wet-packed and premounted for easy, self-indexing replacement. (Wescor Cat. No. SS-030 for 30,000 MW; SS-050 for 10,000 MW).
Membrane Life: More than 1000 samples in routine applications if kept wet.
Response Time: 3 to 7 minutes, depending on membrane condition.
Clinical Range: 0 to 35 mmHg; 0 to 47.6 cm h2O; 0 to 4.67 kPa.
Precision: ± 0.3 mmHg with proper membrane function.
Calibration: Osmocoll N (Normal Level) Calibrator.
Readout: 64-character alphanumeric liquid crystal display (LCD).
Electronics: Solid state, microprocessor controlled.