Gold APP Instruments Corporation China is a high-tech company specialized in laboratory and analytical instruments making, such as BET surface area analyzer, surface area and pore size analyzer, gas pycnometer helium true density analyzer, high pressure and high temperature gas sorption analyzer, sample preparation degasser and so on for particle, porous, powder and fiber materials by measuring methods BET surface method, Langmuir surface, t-plot, BJH pore size, pore volume, pore size distribution, MP micropore, SF, HK, DR, DA micropore and mesopore analyzing. Visit www.jinaipu.com or www.app-one.com.cn for more.

1. G-DenPyc 2900

3. G-DenPyc 2900 true density analyzer parameters
 Analysis Method: Volume displacement method, gas
expansion principle
 Versatility: true density analysis, rigid foam materials’
percentage of open/close area analysis
 Experimental Pressure: external vacuum pump is
available, can adopt negative pressure (0-1Bar) or positive
pressure (1-2Bar) two modes to analysis
 Accuracy: accuracy ±0.02%, repeatability
±0.01%, resolution can reach 0.0001g/cc
 Sample Ports: three samples analysis simultaneously
 Pressure Accuracy: imported high-precision pressure
transducer, accuracy can reach 0.04% F.S., stability 0.025%
F.S.
 Adsorbate Gas: high purity He or N2 (99.999%)

4. G-DenPyc 2900 true density analyzer features
 Data Reduction: high-precision PρT gas density calculation
model eliminates measurement errors caused by non-ideality gas
state, can increase analysis accuracy
 Thermostatic System: analysis modules designed with
thermostatic system can control temperature up and down
easily, also hold modules stay at the best temperature(25 C)
which can restrain transducer reading’s temperature drift and
keep system temperature uniformity; System can maintain
temperature at a fixed value for some fixed-temperature-
required samples
 Control System: programmable logic controller (PLC) system
obtains high integration and strong anti-interference, software
operated fully automated analysis enables freely choose of multi
experiment modes
 Analysis Management: programmable built-in system, touch
screen, USB type external keyboard and mouse, operated by
connecting to computer is available

5.  Manifolds System: patented V-Sorb assembling-installed
manifolds system can improve sealing performance and
reduce dead space largely, enhance system temperature’s
uniformity and anti-interference ability, all lead to a high
accuracy and repeatability data
 Splash-proof Measures: installed with a detachable filter
in sample cell’s bottom, can prevent samples be suctioned
into manifolds; inputting gas from cavity bottom can avoid
samples splash and software controlled H-Sorb two-stage-
stepping mode further ends splash happening
 Sample Container: 50mm (diameter) and 180ml (500ml is
available) big cylinder sample cell is convenient for samples
filling; Exclusive G-DenPyc filling technology supports to
choose different volumetric aluminum blocks to fill cell
instead change other sizes cells according to samples’
volume, this innovative method realizes minimal free space
in cells and improve experiment accuracy

6. Application
 Apply to research and quality control for below
materials: ceramic, catalysts, filter medium, nuclear
fuel, oil & chemical industry, soil, fertilizer, carbon
black, hard
coke, fiber, minerals, pharmacy, cosmetics, cement, po
wdered foodstuff, desiccant (drying agent), powdered
metal, ion exchange resin, silicon
gel, alumina, titanium dioxide, solid foam etc.

7. Gold APP Instruments
 Web: www.jinaipu.com/ www.app-one.com.cn
 Email: sales@jinaipu.com
 Tel.: 0086-10-82133318 Ext.810
 Fax: 0086-10-82118197
 Mobile: 0086-18210009838
 MSN: goldapp@msn.com
 Skype: Gold-APP-Instruments
 Yahoo: goldappinstruments@ymail.com
 Gtalk: goldappinstruments2008@gmail.com