Advanced Instruments Osmometer 3250 - Serial Suffix D and Higher Specifications

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Serial Suffix D and Higher. Model 3250 Specifications
Serial Suffix D and Higher.
Applies to Serial Suffix D and higher. Refer to 3250 Design Changes for more information.
Electrical:
Voltage: 100 to 240 VAC (1.4 - 0.75 A)
Frequency: 50 or 60 Hz
Fuses: 2-Amp time delay (Type T) 250 VAC
Power: 95 Watts
Memory Backup: integral lithium cell; 10 years min.
(not user-replaceable)
Sample Volume: 2.0 or 2.5 mL
Sample Capacity: single sample
Readout: 20-character digital display
Units: mOsm/Kg H
2
O
Range:
Low: 0 to 2000 mOsm/Kg H
2
O
High: 1400 to 4000 mOsm/Kg H
2
O
Resolution: 1 mOsm/Kg H
2
O
Communications: RS-232C and barcode scanner ports
Performance at Reference Conditions
2
Linearity: Less than ±0.5% from a straight line
Repeatability:
0 to 400 mOsm: Std. Deviation ≤ 2 mOsm/Kg H
2
O
400 to 4000 mOsm: Std Deviation ≤ 0.5% of value mOsm/Kg H
2
O
Drift: Less than 1 m per month
Performance Over Operating Conditions
Temperature Effects: Less than 1 mOsm/Kg H
2
O for every 5°C (9°F) ambient
temperature change.
Operating Conditions
Temperature: 18 °C to 35 °C (64 °F to 95 °F)
Room Humidity: 5 to 80% relative humidity; (non-condensing)
Storage Temperature: -40 °C to +45 °C (-40 °F to +113 °F)
Start-up Time: From stand-by: immediately
From power on: under 5 minutes
Test Time: Approximately 2 minutes per sample in
0 to 2000 mOsm range; moderately longer in high range.
2 Reference Conditions: 20 to 25 °C (68 to 77 °F); 40 to 60% Relative Humidity; tolerances of reference or calibration solutions excluded.