Bacharach Gas Pup Especificações descarregar pdf (Página 22)

Gas Pup

16 Instruction 55-9002

High Pressure Mode

CAUTION: Maximum over pressure without damage is

150 psig.

The high-pressure mode measures pressure

in the range of 0 to 99 psig. Enter this mode

by first selecting the pressure mode during

startup as previously described. The instru-

ment will default to its high-pressure mode

as signified by the letter “P” appearing in the

RANGE window. The READING window

will display the pressure applied to the

instrument’s pressure port. Note that an out-

of-range pressure condition is signaled by two

dashes “–.–” appearing in the READING

window.

Low Pressure Mode

The low-pressure mode measures pressure in

the range of 0 to 9.9 psig, and also negative

pressures down to –9.9 psig. Enter this mode

by first placing the instrument into it high-

pressure mode as previously described. Then

press the key to switch to the low-pressure

mode as indicated by the letter “d” appearing

in the RANGE window. The READING window will display the pressure

applied to the instrument’s pressure port. Positive pressure readings are

indicated by a steady display, while negative pressures are indicated by a

flashing display. Note that an out-of-range pressure condition is signaled

by two dashes “–.–” appearing in the READING window.

Delta Pressure Mode

The delta pressure mode is used to measure the delta (difference) in

pressure, and is useful when pressure proving new or repaired piping

that has been pressurized with compressed air.

Do the following to pressure prove a piping system (see Figure 14):

1. Attach the components of the optional Service Line Pressure Testing

Kit (P/N 55-0072) between the piping being tested and the

instrument’s pressure port.

2. Set up the Pup to measure high pressure as previously described

under the heading High Pressure Mode.

Operation

Typical High-Pressure

Reading

Typic Low-Pressure

Reading

Figure 13. High & Low

Pressure Modes

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 43 44

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