Ametek MGC-LOW Manuale utente
2 02-10-2007 124945 01
About this manual….
• The structure of the manual
This user manual is aimed at users who are familiar with
AMETEK pressure calibration systems, as well as those who
are not. The manual is divided into 9 chapters, which describe
how to set up, operate, service and maintain the pressure
calibration system. The technical specifications are described
and accessories may be ordered from the list of accessories.
• Safety symbols
This manual contains a number of safety symbols designed to
draw your attention to instructions, which must be followed
when using the instrument, as well as any risks involved.
Warning
Events, which may compromise the safe use of
the instrument and result in considerable
personal or material damage.
Caution…
Events, which may compromise the safe use of
the instrument and result in slight personal or
material damage.
Note…
Special situations, which demand the user’s
attention.
124945 01 02-10-2007 3
List of contents
1.0 Introduction ..............................................................................4
2.0 Safety instructions ...................................................................6
3.0 Identifying your pressure calibration system.......................8
3.1 Model description.......................................................................... 8
3.2 Receipt of the pressure calibration system .................................. 9
4.0 Operating instructions...........................................................11
4.1 Operating the MGC-LOW ........................................................... 11
4.1.1 Media to be used............................................................ 13
4.1.2 After calibration .............................................................. 14
4.2 Operating the MGC-HIGH .......................................................... 15
4.2.1 Media to be used............................................................ 18
4.2.2 After calibration .............................................................. 18
4.3 Operating the optional Lloyds valve system with clamp............. 19
5.0 Errors.......................................................................................22
5.1 Re-calibration.............................................................................. 23
6.0 Returning the pressure calibration set for service ............24
7.0 Maintenance............................................................................26
7.1 Cleaning...................................................................................... 26
8.0 Technical specifications........................................................27
9.0 List of accessories .................................................................30
4 02-10-2007 124945 01
1.0 Introduction
Congratulations on your new AMETEK Portable
Pressure Calibration Set!
With the AMETEK Portable Pressure Calibration Set, you have
chosen an extremely effective pressure system which we hope will
live up to all your expectations. Over the past many years, we have
acquired extensive knowledge of industrial precision pressure
calibration. This expertise is reflected in our products, which are all
designed for daily use in an industrial environment. Please note that
we would be very interested in hearing from you if you have any ideas
or suggestions for changes to our products.
This user manual applies to the following systems:
• MGC-LOW, System 1
• MGC-LOW, System 2
• MGC-LOW, System 3
• MGC-LOW, System 4
• MGC-HIGH, System 1
• MGC-HIGH, System 2
• MGC-HIGH, System 3
• MGC-HIGH, System 4
)ISO-9001 certified
AMETEK Denmark A/S was awarded the ISO-9001 certificate in
September 1994 by - Bureau Veritas Certification Denmark.
124945 01 02-10-2007 5
)CE-label
Your new pressure calibration system bears
the CE label and conforms to the EMC
directive and the Low-voltage Directive.
)Technical assistance
Please contact the dealer from whom you acquired the pressure
calibration system if you require technical assistance.
)Guarantee
According to current terms of sale and delivery.
This guarantee only covers defects in manufacture and becomes
void if the pressure calibration system has been subject to
unauthorised intervention and/or misuse.
6 02-10-2007 124945 01
2.0 Safety instructions
Read this manual carefully before using
the pressure system!
Please follow the instructions and procedures described in
this manual. They are designed so that you get the most
out of your pressure system and avoid any personal
injuries and/or damage to the system.
Warning……
About the handling:
• Avoid knocking, bumping or dropping the pressure
system. This can cause permanent damage to the
system and loss of accuracy.
About the use:
• The pressure system must not be used for any
purposes other than those described in this manual and
for any application other than precision pressure
calibration jobs.
• The pressure system should only be used by TRAINED
PERSONNEL.
• Never subject the pressure gauges to overpressure. In
case of overpressure the gauge should not be used for
calibration purposes.
• None of our calibration systems are cleaned or
prepared for OXYGEN OBJECTS so DO NOT USE our
systems for this purpose.
• Do not disconnect any parts from the system when
pressurised.
• Do not connect any external pressure source to this
instrument. This unit is designed to test pressure
measuring devices connected to the manifold only.
Pressure from an external source can result in
explosion of the liquid reservoir and possible personal
injuries.
124945 01 02-10-2007 7
Note…
The product liability only applies if the pressure system is
subject to a manufacturing defect. This liability becomes
void if the user fails to follow the maintenance instructions
set out in this manual or uses unauthorised spare parts.
8 02-10-2007 124945 01
3.0 Identifying your pressure calibration
system
3.1 Model description
MGC-LOW
The JF Model MGC-LOW consists of 2 to 3 dual scaled precision
pressure gauges with ±1% F.S.
• System 1 : 0 – 6 BAR & Kg / cm²and 0 – 16 BAR & Kg / cm²
• System 2 : 0 – 16 BAR & Kg / cm²and 0 – 40 BAR & Kg / cm²
• System 3 : 0 – 40 BAR & Kg / cm²and 0 – 100 BAR & Kg / cm²
• System 4 : 0 – 10 BAR & Kg / cm², 0 – 40 BAR & Kg / cm²and
0 – 300 BAR & Kg / cm²
MGC-HIGH
The JF Model MGC-HIGH consists of 3 or 4 dual scaled precision
pressure gauges with ±0.6% F.S.
• System 1 : 0 – 6 BAR & Kg / cm², 0 – 16 BAR & Kg / cm²and
0 – 40 BAR & Kg / cm²
• System 2 : 0 – 10 BAR & Kg / cm², 0 – 40 BAR & Kg / cm²,
0 – 100 BAR & Kg / cm²and 0 – 300 BAR & Kg / cm²
• System 3 : 0 – 10 BAR & Kg / cm², 0 – 40 BAR & Kg / cm²and
0 – 100 BAR & Kg / cm²
• System 4 : 0 – 10 BAR & Kg / cm², 0 – 40 BAR & Kg / cm²and
0 – 300 BAR & Kg / cm²
Both models are supplied with a hydraulic hand pump fitted with
hose, valve and couplings all delivered in a handy carrying case.
The precision pressure gauges are all dual scaled in BAR and kg/cm²
and are designed for marine use.
The calibrator is easy to operate and the hydraulic pump very rapidly
produces the required testing pressure. The calibrator quickly shows
the user if there is an indication error on a pressure gauge or valve
and how large it is. When the size of the error is known, it is possible
to compensate for it or note it – and thereby only replace faulty
pressure indicators.
124945 01 02-10-2007 9
3.2 Receipt of the pressure calibration system
The pressure calibration system is delivered as standard in a carrying
case and should always be placed in the case after use.
When you receive the pressure calibration system…
• Carefully unpack and check the pump, the pressure gauges and
the accessories.
• Check the parts off against the list shown below.
If any of the parts are missing or damaged, please contact the
dealer who sold the pressure calibration system.
You should receive:
• 1 pump system T-620 incl. 0.5 m. hose
(MGC-LOW – system 1 - 3) / 1 pump system T-
620H incl. 0.5 m. hose (MGC-LOW – system 4)
• 2 precision pressure gauges (1/4” BSP)
(MGC-LOW – system 1 – 3) / 3 precision
pressure gauges (1/4” BSP) (MGC-LOW –
system 4)
• 4 adapters (1/4” x 1/4” BSP, 1/4” x 3/8” BSP,
1/2” x 1/4” BSP, 1/4" x 3/4" BSP) (MGC-LOW)
• 1 pump system P-142 incl. 0.5 m hose
(MGC-HIGH)
• 3 precision pressure gauges (3/8” BSP)
(MGC-HIGH)
10 02-10-2007 124945 01
• 3 adapters (1/4” x 1/4” BSP, 1/2” x 1/4”
BSP, 1/4" x 3/4" BSP) (MGC-HIGH)
• 1 plug 1/4" BSP
• 2 bonded seal 1/4" BSP
• 1 traceable certificate per gauge
• 1 user manual
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