Quantachrome Autosorb 3B Specifications

Autosorb-3B Specifications

PRESSURE*	STANDARD	KRYPTON/MICROPORE option
Range	0 - 1,000 torr	0 - 10 torr
Accuracy	0.1% full scale	0.15% reading
Linearity	0.05% full scale	0.15% reading
Minimum resolvable absolute pressure	0.015 torr	0.0002 torr
Minimum resolvable relative pressure P/P_o	2 x 10^-5 (nitrogen)	2.6 x 10^-7 (nitrogen) 7.6 x 10^-5 (krypton)
Ultimate vacuum	Less than 0.001 torr	5 x 10^-9 torr
*Specifications by transducer manufacturer

ADSORBATES

Nitrogen or any other non-corrosive gas used with appropriate coolant

SURFACE AREA RANGE

<0.05 m²/g with N₂ (no known upper limit).
<0.0005 m²/g with Kr

PORE ANALYSIS

Detectable pore volume limit: less than 0.0001cc/g
Pore diameter range with nitrogen: 3.5 - 4000Å

DEGASSER

Vacuum:

Gauge & controls for cell isolation & fine/coarse rate adjustment

Temperature:

420°C. maximum with selection and digital readout in steps of 1°C.

PHYSICAL

Width:

25.5 inches, 64.8 centimeters

Height:

45.5 inches, 115.6 centimeters

Depth:

30.0 inches, 76.2 centimeters

Weight:

335 pounds, 152 kilograms

ELECTRICAL

100 - 240 V, 50/60 Hz
10 - 45°C operating range at 90% maximum relative humidity

ACCESSORIES

Required:

Adsorbate gas and helium gas (minimum purity of 99.999%)
Coolant (liquefied gas, slurries, ice water, etc.)
IBM® compatible personal computer with serial interface

Optional:

Rolling cabinet (20 in/51 cm height) for floor standing operation
Uninterruptable power supply