The Ultimate Home Barista Espresso Machine for the discerning coffeegeek.
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"Highlander Coffee Team, we just wanted to give you a big compliment on your service, the high standard of your products and the overall experience! Awesome job! Keep up the great work."
Mr Albert & Mrs Natalie Visscher (Singapore)
"Many thanks Phil we are really enjoying our coffee machine."
Ms Kate Catto (New Zealand)
"Phil, Many thanks for the excellent delivery and training on Saturday. The VBM is everything that we hoped it would be. The package that was delivered with the machine was well thought through and effective. Your team did a great job."
Mr Louis Niven (New Zealand)
"Phil, Many thanks to Cedric for taking such good care of my DomoBar. It gave me great peace of mind that it was handled by someone who understands how to treat the machine. And to have it returned in even better condition than it left the old place was a bonus! Love the new big knobs and it has the new machine shine again. Thanks again. Cheers."
Ms Suzanne Roat, PhD, P.E. (U.S.A.)
La Vibiemme is based in Milan, and have an extensive history and credibility in the international market of manufacturing traditional espresso machines spanning over the past 40 years. The founder of Vibiemme was Mr Carlo Valente, also the founder of renowned FAEMA. The Faema espresso coffee machine’s heritage began in 1945 by Mr. Valente. By 1961 he had introduced the E61 model. The design and patent of the E61 group head was overseen by Mr Valente and is still the most commonly used system even after 40 years producing superior espresso coffee results. With the wonderful espresso machine history behind Vibiemme, it is no wonder that Vibiemme machines are not only beautifully designed but also mechanically and technically refined to deliver superior cup results. Vibiemme still holds the design patent for the E61 group head which is used in conjunction with the E64 group head on their models.
Vibiemme has worked diligently with importers, distributors, and industry professionals in the past year to upgrade their Double Boiler line. We are proud to announce some of the improvements on the new, redesigned, 2011 version 3 of the Vibiemme Double Boiler, including these....
TOP FEATURES that brings the Vibiemme Domobar Super Double Boiler espresso machine to the TOP!
In addition to achieving optimal temperature stability, one of Vibiemme’s main goals when redesigning their double boiler machine was to keep the amperage requirement below the 13 amp mark - not only making it easier to find a connection in any household without needing a dedicated 20 amp circuit, but also to keep energy comsumption at a minimum. Thanks to an innovative method of controlling the percentage of power to the heating elements, Vibiemme’s Power Management Control System (PMCS) automatically regulates variable power to each heating element.
Quality Characteristics and Specifications found Vibiemme Style
1 Domobar super Double Boiler technical details – 2011 version
1.1 Coffee boiler technical details:
The coffee boiler is situated vertically, and at the time of this writing, this is the smallest coffee boiler that we know of on a prosumer/commercial double boiler espresso machine - as with heat exchangers, less water standing water means superior cup profiles. After many months of testing, Vibiemme found this configuration (boiler size and wattage) to provide the optimal temperature stability with both scenarios: steam boiler on or steam boiler off.
1.2 Steam boiler technical details:*Inside the horizontal steam boiler’s lower part where the water is located, there is a heat exchanger pipe which pre-heats water for the coffee boiler: water outlet temperature 97°C (208°F) for pressures higher than 1 bar. The pre-heating exchanger pipe is horizontal in the horizontal steam boiler to avoid any of the higher temperature steam transferred by the upper portion of the vertical steam boiler as found on other double boiler machines. In theory, the heat exchange pipe portion in the steam portion of a vertical steam boiler will turn into steam, and this can cause an unwanted variation in the temperature of the water to the coffee boiler when the machine has been idling too long.
1.3 Electronic box and Gicar probe:
1.4 PID Settings for Testing (and adjustable by user)::
1.5 Fresh water supply configuration:The machine has a dual water-supply system. The user can use the internal water reservoir or connect to an existing water line (water softener recommended). Both options on the same machine utilize a rotary pump. A mechanical lever, located under the machine, allows the end-user to choose their inbound water supply.
1.6 Waste-water drainage systemThe machine has a dual drainage system: the end-user can drain the waste water into the drip tray (and manually empty it out) or connect it directly to an existing drain system.
2 Thermic stability trial of the Domobar Super Double Boiler: tools, procedures and validation.
Important Definition: What is thermic stability ?
Thermic stability is the one of most important features on a PID double boiler espresso machine; it is the difference among the maximum temperatures recorded in a shot sequence.Differences between 2C° and 3C° have to be considered as acceptable, between 1C° and 2C° good, below 1C° excellent: these values create the thermic stability range, which depends on the manufacturing features of the machine.
2.2 Procedures: the trial was made referring to a world class and statndardized testing pattern
The test is made by recording the maximum temperatures of test points 1-14, respecting the idle intervals.
2.3 ValidationBesides checking the Domobar Super Double Boiler thermic stability values, the test aims to confirm the empirical model of the E61 group isothermy in an idle state, published on home-barista http://isotherm.blogspot.com/. This model states that when the idle Interval is longer than 2 minutes, the temperature difference between the red part (where the thermosiphonic circulation takes place in an idle state) and the blue part ( the farthest and coldest part), is approx. 7 °F. This is the basic principle of the pre-shot, suggested to all users of E61 espresso coffee machines.
3. DOMOBAR SUPER Double Boiler Version 3 - THERMIC STABILITY TEST RESULTS : Confirmation of the empirical on E61 grouphead isothermy and Domobar Super Double Boiler stability test’s report
3.1 Confirmation of the empirical model on group E61 isothermyThe thermic stability tests made on the Domobar Super Double Boiler confirm the isothermic model on group: the E61 group must be “taken to the right temperature” when the idle Interval is longer than 2 minutes.The temperature difference between Test Point 1-14 maximum temperatures and the thermic stability range (test point 6-14) is 7° F (without pre-shots).This data has to consider as a project feature of the E61 group, so the meaning of the thermic stability data has to take this feature into consideration.
3.1 Domobar Super Double Boiler stability test’s reportDomobar super Double Boiler stability range with steam boiler ON :1° C (1,5°-1,8° F)
4. DOMOBAR SUPER Double Boiler THERMIC STABILITY TEST: Consumptions and absorptionsMaximum absorption with steam boiler ON: 1600 watts
5. HOW DOES THE NEW DOMOBAR SUPER Double Boiler WORK?
The Domobar Super Double Boiler can be used in different power configurations:
Both configurations are available with:a) Water fills through existing direct water connection or plumbed in line (a water softener is always recommended)