TriStar II 3020, Micromeritics, USA
:Specifications
Pressure Measurement
Absolute
Range: 0 to 950 mmHg
Resolution: Within 0.05 mmHg
Accuracy: Within 0.1% of full scale
Linearity: < ± 0.1% of span
Relative
P/Po range: 0 to 1.0 P/Po
Resolution: < 10-4
Analysis
Specific Surface Area
From 0.01 m2/g, nitrogen unit
From 0.001 m2/g, krypton unit
Total Surface Area
From 0.1 m2, nitrogen unit
From 0.01 m2, krypton unit
Pore Volume
From 4 × 10-6 cm³/g
Dewar Duration
Up to 40 hours
Gas Consumption
Up to 300 cm³ STP per port
Adsorptive Gases
Nitrogen Unit
Nitrogen; argon, carbon dioxide, or other non-corrosive gases; butane, methane, or other light hydrocarbon vapors. Oxygen can also be used only with an appropriate vacuum pump.
Krypton Unit
Same as nitrogen unit, plus the capability to perform krypton surface area analyses at lower pressures
The TriStar II Plus should be operated in a properly vented environment when using flammable or toxic gases.
Manifold Temperature
Accuracy
±0.25 °C
Resolution
Within 0.1 °C
Vacuum System
Nitrogen Unit
Must accommodate 20 × 10-3 mmHg or better; uses oil-based or oil-free vacuum pump
Krypton Unit
Must accommodate 1 × 10-3 mmHg; oil-free vacuum pump required
Operating Environment
Temperature
10 to 35 °C (50 to 95 °F), operating
0 to 50 °C (32 to 122 °F), non-operating
Humidity
20 to 80% relative, non-condensing
Indoor or Outdoor Use
Indoor only
Altitude: 2000 m maximum
Pollution degree of the intended environment: 2
Physical
Height
74 cm (29 in.)
Width
40 cm (16 in.)
Depth
51 cm (20 in.)
Weight
37 kg (82 lbs)
Electrical
Voltage
100-240V~
Power
150VA, maximum
Frequency
50/60Hz
Overvoltage category
II