InstruQuest Inc. products

Integration of automatic and manually operated pycnometer into one system. Integrated temperature control. Continuous flow of gas in and out of sample chamber. Relative Humidity (RH) and temperature measurements inside the sample chamber. Vacuum port (standard in all models). 24-bit data acquisition, high accuracy pressure transducer. Independent precision pressure regulation. Auto Mode (Windows® operating system) and Manual mode of operation. Sophisticated and interactive software for experiment design and control. Macro transferring data to Excel for additional analysis. All experimental data recorded and available to the user.

Manual and Automatic operation (Windows based software). Progressive gas pressurization and depressurization (nano-powders, no-elutriation). Dual reference chamber for the largest range of volume measurements. Relative humidity and temperature measurements inside the sample chamber. 24-bit data acquisition, high accuracy and excellent repeatability. Pressure regulator and gauge (at the back panel of the instrument). Superior for foam density measurements (ASTM D6226-05). Variety of ancillary hardware for other applications, e.g. for filter integrity testing (largest pore sizes), RH probe calibrations,. Small size and mass, portable. Designed for easy customization to fulfill application specific requirements. Sophisticated and interactive software for experiment design and control (our software is compatible with 64-bit Windows® operating system). All experimental data are recorded and transferable (macro) to Excel.

Measurement of true density, porosity, percentages of open-cell / closed-cell  of foams plays important role in development and quality control of various properties of the cellular materials. Characterization of foams presents its own challenges and the highest performance gas pycnometers and dedicated accessories need to be used. The enhanced and optimized HumiPyc Gas Pycnometers with dedicated hardware are superior tools for foams characterizations.

Complete solution for measurements of  cement fineness, porosity, and density using automatic gas pycnometer.

Introducing a versatile micropycnometer design, µL Pycnometer dedicated to true volume (density) measurements of small sample amounts from milli to micro liters.

The HumiSys LDP was designed for providing low flow stream of gas with controlled dew point values from positive to -90 C. Flow rates depend on the ranges of mass flow controllers (MFC) used, typically 0-200 cc/min. Multiple water vapor generation techniques are employed in this complex design. The fundemental two-temperature method was used for creating an "infinite" source of humidified gas with well defined and user-selectable dew point value. Dual stages of two-pressure and divided flow methods are used for reducing the water vapor concentration of this source. The output stream can be delivered to variety of chambers which can be held at atmospheric or vacuum conditions. Usage of MFC and low dead-volume design allows for fast and accurate dew point changes in the output stream.

The HumiSys HF RH generator employs divided-flow (split-flow) technique and utilizes two mass flow controllers for fast response. In the main mode of operation, one RH probe is used for RH control and is usually placed inside the user chamber. The second (optional) RH probe can be placed at any user-defined location for verification of RH and temperature uniformity. In cases where RH probe cannot be installed inside the user chamber, a miniature RH probe can be placed inside the HumiSys HF generator and the temperature of the user chamber can be monitored by the (optional) temperature probe (RTD based).

Versatile and fully automatic RH generator designated for low flow rates and was specifically  designed for easy interfacing with other analytical equipment of relatively small sample chambers. (e.g  X-ray equipment, TGA, DMA, IR analyzers, etc).

The Humisys XR  RH generator featuring fully automatic and manual mode was designed for extending full range of RH generation down to 0 C and allowing larger range of RH in subzero C region then it is commonly available using other humidity generatores. Combination of of two-temperature and divided-flow techniques is emploeyd. Embedding of precision RH probe in the condensor housing that controlls the temperature of the humidified stream from the first stage of the two-temperature method allows for generating very low dew points in  combination of the divided flow technique in the second stage. External RH probe and external temperature probe (RTD based) are very useful in easy interfacing with other   analytical instruments.

High capacity (typically 100/220g or 120g) Sartorius semi-microbalance eg. CPA 225D. Electromagnetic force compensation. Thermal compensation. Adaptable to noisy environments. Integrated calibration weight. Overload protection. Readability (model dependent), typically 10 or 100 micrograms. Superior accuracy and stability.