Graftel, LLC products

Model 1201 smart sensors allow for the measurement of temperature and relative humidity, (RH) during an ILRT without the aid of a data acquisition system. Each compact sensor contains one temperature channel and one temperature compensated RH channel with its own CPU, memory, signal conditioning, internal calibration constants and RS-485 bus interface. The RS-485 network allows for multiple sensors to be connected to a PC’s communications port with a single 4-wire cable string. A typical ILRT may use six strings with seven or more sensors per string. Although the sensors are physically connected in series, they are electrically connected in parallel so that the failure of any one will not affect the others.

An easy-to-operate system designed to be used, this monitor allows for the precision testing of water tested containment isolation valves using plant demin or service water. Replace with The Model 9623-H2O, hydro leak rate testing machine. The Model 9623-H2O is an easy to operate system designed to be used This monitor allows for the precision testing of water tested containment isolation valves using plant demin or service water. This unit comes with 2 or three flow ranges, depending on your site-specific needs and two pressure channels, one to monitor inlet pressure and one for your test pressure. The 9623-H2O quantifies the component under test’s leakage rate by maintaining a constant water pressure against the barrier being tested while measuring the water flow rate needed in order to maintain that pressure constant. A steady supply at a constant pressure of clean water is required to operate.

The Model 9623-EV is a new revision to it improves upon a proven design. The Model 9623-EV is a revision built from an industry proven design. This unit can function with no power source by utilizing an internal internal air/electric generator. It has three flow ranges and one pressure channel. The 9623-EV quantifies the component’s leakage rate by maintaining a constant gas pressure against the barrier being tested while measuring the gas flow rate needed in order to maintain that pressure constant. Using three ranges, a 1000 to 1 turn-down ratio is achieved with a 1% of full scale accuracy over each of the three ranges. Each flow range is customer selectable. Full scale flow ranges up to 400 slpm may be ordered. This same unit may also be used to perform temperature compensated pressure decay tests on large volumes.

Working closely with aviation manufactures, Graftel is proud to announce the ALTS. This device is a user-friendly, portable leak testing system designed to perform leak rate quantifications of aircraft fuselages, and other components related to pre/post production aircraft. Using modern digital instrumentation, the ALTS ensures great accuracy and reliability of tests. The ALTS uses precision pressure regulators to accurately control pressurization / depressurization rates and test pressures. It utilizes a high accuracy coriolis flow meter and a thermal mass flow meter. The touch panel on the ALTS provides live data and is USB enabled for simple data recording. The system was designed to accommodate the user with a simple and seamless calibration process.