Advanced Instruments - Advanced® Model 3250

Manufactured by  Advanced Instruments
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Advanced Instruments Osmometer, Model 3250, for Osmolality Measurement

The Advanced Instruments Model 3250 Single-Sample Osmometer determines the osmolality of solutions using freezing point depression (FPD). Ideal for serum, urine or other bodily fluids in clinical applications; and media or formulations in pharmaceutical, biotech or industrial applications.  
Automated, single sample, designed to process a 200-250 ΜL sample, and two-minute test time. The Model 3250 provides the best accuracy and precision in the market today.
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Features of Advanced® Model 3250
  • 0 to 4000 mOsm/kg H2O measurement range offers ideal versatility  
  • 200-250 ΜL provides the greatest precision in a variety of applications.  
  • Multi-language operation  
  • Unparalleled ease of use  
  • Internal diagnostics  
  • On-board statistical analysis  
  • Results recall up to the last 30 tests  
  • Automated calibration  
  • On-board printer  
  • Hot-Line® Technical Service available 24/7
General Specifications
Depth 18 in
Sample Volume200 to 250 μL
Height12 in
Width 13 in
Power Requirements 100 to 250 VAC (50/60 Hz)
Peak Power95 W
Weight23 lbs
Additional Specifications

Sample Capacity: Single sample  
Readout: 20-character vacuum fluorescent display  
Units: mOsm/kg H2O  
Low: 0 to 2000 mOsm/kg H2O  
High: 1400 to 4000 mOsm/kg H2O  
Resolution: 1 mOsm/kg H2O  
Communications: On-board printer, DTE EIA-232/V.24 (RS-232) serial port and optional barcode scanner  
Performance at Reference Conditions  
Linearity: Less than 0.5% from a straight line  
Repeatability: 0 to 400 mOsm: ±2 mOsm/kg (1 S.D.) 400 to 4000 mOsm: ±0.5% (1 S.D.)  
Drift: Less than 1 mOsm/kg H2O per month  
Performance Over Operating Conditions  
Temperature Effects: Less than 1 mOsm/kg H2O for every 5°C (9°F) ambient temperature change  
Operating Conditions Temperature: 18°C to 35°C (64°F to 95°F)  
Humidity: 5 to 80% relative humidity (non-condensing)  
Storage Temperature: -40°C to +45°C (-40°F to +113°F)  
Start-up Time: Immediately from stand-by; under 5 minutes from power-on  
Test Time: Approximately 2 minutes per sample in low range; approximately 3 minutes in high range

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