Advanced Instruments - Advanced® Model 3900
Advanced Instruments Multi-Sample Osmometer, Model 3900, for Osmolality Measurement
Automated and multi-sample, it is designed to process a 200-300 ΜL sample, 90 second test time, and approximately 30 samples per hour. The Model 3900 provides the best accuracy and precision in the market today.
200-300 ΜL provides the greatest precision in a variety of applications.
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Features of Advanced® Model 3900
- Internal diagnostics
- Fully automatic with continuous throughput
- On-board printer
- Stat sample capability
- Connects easily to external barcode scanner
- Frost-free cooling chamber
- On-board statistical analysis
- Stores up to 30 test results
- Multi-language operation
- Automated calibration
- Hot-Line® Technical Service available 24/7
General Specifications
| Depth | 20 in |
| Height | 21.5 in |
| Width | 21.5 in |
| Power Requirements | 100 to 130 VAC (50/60 Hz) or 200 to 250 VAC (50/60 Hz) |
| Peak Power | 350 W |
| Weight | 66 lbs |
Additional Specifications
Sample Volume: 0.20 to 0.3 mL
Sample Capacity: Up to 30 samples at one time, continuously reloadable
Readout: 20-character vacuum fluorescent display
Units: mOsm/kg H2O
Ranges
Low: 0 to 1550 mOsm/kg H2O
High: 1450 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:
Low Range: Less than ±0.5% from a straight line between 0 and 1500 mOsm/kg H2O
High Range: Less than ±1.0% from a straight line between 1500 and 4000 mOsm/kg H2O
Repeatability: 0 to 400 mOsm: ±2 mOsm/kg H2O (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:
Low Range: 18°C to 35°C (64°F to 95°F)
High Range: 18°C to 30°C (64°F to 86°F)
Humidity: 5 to 80% relative humidity (non-condensing)
Storage Temperature: -40°C to +45°C (-40°F to +113°F)
Start-up Time: Actual time from power-on to “Osmometer Ready” varies according to ambient temperature and humidity -- typically 3 to 10 minutes. Maximum throughput may require up to 30 minutes of equilibration time from power-on.
Test Time: 90 seconds per sample (typical)
Sample Throughput: Approximately 30 samples per hour at 23°C (73°F); less at higher ambient temperature and in high range