1
Safety Notes
Do not open test instrument! Do not attempt to repair the internal components! Ask your dealer
for a list of qualified service technicians!
Follow all safety instructions specified by the systems or pipe manufacturers as well as the safe-
ty instructions specified by the pipe coupling manufacturer!
1.1
Intended use
The ROTEST GW 150/4 test instrument and its components (included in carrying case) should
only be operated by skilled personnel competent in gas and water supply engineering in particu-
lar in leakage tests for pipes and containers. All tests must be carried out in accordance with the
present instructions, in particular the following tests:
Bearing tests for gas fittings pursuant to 1*
Leak tests of gas fittings pursuant to 1*
Built-in hand pump, connecting hose and adapter with cut-off valve safety tests
Built-in bellow, water column, connecting hose and cut-off valve safety tests
Leak test of propane liquid gas fittings and low-pressure liquid gas fittings pursuant to 1*
Adjustment of gas admission pressure to atmospheric and blower burners using a water
column up to 30 hPa (30 mbar)
Examination and inspection of gas appliance connection pressure pursuant to 1*
Initial air-and principle air-pressure test of drinking water systems pursuant to 1*
2
Technical Data
Accuracy ................................
Filling water tank ................................
Do not use distilled water or water with any additives, such as alcohol, spirits or
any other similar substances! Additives will change the surface tension of the
liquid used and adulterate test readings! Do not use the ROTEST GW 150/4 in an
environment under 0°C (32°F)! Using the instrument in frozen or freezing environ-
ments may cause damage to the water tank, the cut-off valves and the couplings.
ROTHENBERGER cannot and will not accept any warranty claims arising from
negligence or failure to adhere to these instructions.
10
manometer 0,01 MPa/ 0.1 bar (display range 0-0,04 MPa/0 - 4 bar)
water column with a reading accuracy of 0,1 hPa (0.1 mbar) pur-
suant to 1*
The ROTEST GW 150/4 is supplied with a full water tank (2).
Should the tank need refilling, see fig. B.
ENGLISH