FISCHER ME49F Series Manual de usuario

d e v e l o p i n g s o l u t i o n s

*09005231* BA_EN_ME49F Rev.A 08/18

*09005231*

Table of contents

1Safety instructions

2Application purpose

3Product and function description

4Installation and assembly

5Start-up

6Maintenance

7Transportation

8Service

9Accessories

10 Waste disposal

11 Technical Data

12 Dimensional drawings

13 Order codes

15 Attachments

1 Safety instructions

1.1 General

This operating manual contains instruc-

tions fundamental to the installation,

operation and maintenance of the device

that must be observed unconditionally. It

must be read by the assembler, operator and the

specialized personnel in charge of the instrument

before it is installed and put into operation. This

operating manual must always be accessible at the

place of installation.

The subsequent sections on general safety instruc-

tions 1.2 - 1.7 as well as the following special

instructions ranging from intended use to disposal

2-10 contain important safety instructions the non-

observance of which can cause danger to persons,

animal and physical objects.

1.2 Personnel Qualification

The instrument may only be installed and commis-

sioned by specialized personnel familiar with the

installation, commissioning and operation of this

product.

Specialized personnel are persons who can assess

the work they have been assigned and recognize

potential dangers by virtue of their specialized

training, their skills and experience and their

knowledge of the pertinent standards.

For explosion-proof models the specialized person-

nel must have received special training or instruc-

tion or be authorized to work with explosion-proof

instruments in explosion hazard areas.

1.3 Risks due to Non-Observance of Safe-

ty Instructions

Non-observance of these safety instructions, the

intended use of the device or the limit values given

in the technical specifications can be hazardous or

cause harm to persons, the environment or the

plant itself. Fischer Mess- und Regeltechnik GmbH

will not be liable for damage claims if this should

happen.

1.4 Safety Instructions for the Operating

Company and the Operator

The safety instructions governing correct operation

of the instrument must be observed. The operating

company must make them available to the installa-

tion, maintenance, inspection and

operating personnel. Dangers arising

from electrical components, energy

Operating Manual

ME49F

Pressure Transmitter

for applications in explosive areas

According to ATEX Directive 2014/34/EU

Gas explosion protection zone 1

2 | 20 Page

discharged by the medium, escaping medium and

incorrect installation of the instrument must be

eliminated. For more information, please see the

applicable national and international regulations,

such as DIN, EN, accident prevention regulations

(UVV) and - for industry-specific individual applica-

tions - also in the industry guidelines issued by the

DVWG, Ex, GL, etc. as well as VDE and local

EVUs.

The instrument must be decommissioned and

secured against inadvertent re-operation if a situa-

tion arises in which it must be assumed that safe

operation is no longer possible. Reasons for this

assumption could be:

evident damage to the instrument

failure of the electrical circuits

long storage in temperatures over 85°C

considerable strain due to transport

Repairs may be carried out by the manufacturer

only.

A professional single conformity inspection as per

DIN EN 61010, section 1, must be carried out

before the instrument can be re-commissioned.

This inspection must be performed at the manufac-

turer's location. Correct transport and storage of the

instrument are required.

1.5 Unauthorised Modification

Modifications of or other technical alterations to the

instrument by the customer are not permitted. This

also applies to replacement parts. Any modifica-

tions/alterations required will be carried out by

Fischer Mess- und Regeltechnik GmbH only.

1.6 Impermissible modes of operation

The operational safety of this instrument can only

be guaranteed if it is used as intended. The instru-

ment model must be suitable for the medium used

in the system. The limit values given in the technical

data may not be exceeded.

1.7 Safe working practices for mainte-

nance and installation work

The safety instructions given in this operating

manual, any nationally applicable regulations on

accident prevention and any of the operating com-

pany's internal work, operating and safety guide-

lines must be observed.

The operating company is responsible for ensuring

that all required maintenance, inspection and instal-

lation work is carried out by qualified specialized

personnel.

1.8 Pictogram explanation

WARNING!

… indicates a potentially dangerous

situation, non-observance of which

could endanger persons, animals, the

environment or objects.

INFORMATION!

… highlights important information

efficient and smooth operation.

TIP!

… indicates recommendations that are

not specifically necessary in certain

situations but which could be useful.

2 Application purpose

The two-line pressure transmitter ME49F* serves

precise recording of a pressure with a resistance

pressure cell in the ex-area.

The supply circuit on terminals 1 and 2

must correspond to ignition protection

type 'Inherent safety' of category 'ib'.

The units are may only be used for the purpose

defined by the manufacturer in the data sheet or

operating instructions.

The maximum allowed temperature

range from -20°C to +60°C may not be

exceeded.

If there is dirty or aggressive media in the system,

or if this is to be expected, the device must be

modified in terms of those parts that come into

contact with the media. Please talk to the manufac-

turer first before ordering.

The corresponding setup regulations are

to be considered for each application

case.

Designation as per guideline 2014/34/EU

II 2G Ex ib IIC T6 Gb

3 | 20 Page

3 Product and function description

3.1 Function diagram

3.2 Design and mode of operation

The measuring pressure acts on a ceramic mem-

brane that deforms when under pressure.

The output signal on the measurement bridge

attached to rear of the membrane changes when

the membrane deforms.

Electronics integrated into the pressure transmitter

housing converts the sensor signal into an electron-

ic uniform signal 4...20mA um.

4 Installation and assembly

As standard, the unit has a cylindrical pipe thread

and flat seal for screwing into the screw holes.

Wall assembly is possible when the wall holder

MZ310* is used.

The manometer screw connections MZ27* allow

pipes to be connected directly.

The device is set ex-works for vertical installation,

however any installation position is possible. In

installation positions that vary from the vertical, the

zero-point can be corrected using the installed zero-

point potentiometer (5.1).

To guarantee safe working conditions during instal-

lation and maintenance, suitable stop valves must

be fitted in the system. The shutoff valves of the

Fischer series MZ5* make it possible to

depressurize or decommission the unit,

or to disconnect it from the power supply within

the applicable system for repairs or inspections



or to check the functions of the unit on site.

Thanks to their venting screws, the shut-off valves

allow the connected pipe system to be vented.

4.1 Process connection

Dangers caused by pressure on the instrument are

to be prevented with suitable measures.

By authorized and qualified specialized person-

nel only.

Only for the designated mechanical process

connection - for the model, see the order code

on the device type plate.

The pipes need to be depressurized when the

device is being connected.

Appropriate steps must be taken to protect the

device from pressure surges.

Check the suitability of the device for the media

to be measured.

Observe the maximum pressure.

The pressure measuring line must be installed

on a gradient so that no air pockets e.g. for liq-

uid measurements or water pockets e.g. for gas

measurements can be created. If the required

incline is not reached, water and/or air filters

need to be installed at suitable points.

The pressure sensing lines need to be kept as

short as possible and installed without sharp

bends to avoid interfering delay times.

4.2 Pressure surge absorption

Dangers caused by pressure on the instrument are

to be prevented with suitable measures.

Pulsating pressure on the system side can lead to

functional problems. As a protective measure, we

recommend the installation of damping elements in

the pressure connection lines.

Connecting shanks

Measuring cell

O-ring

Transformation

electronics

MZ290*

MZ310*

Sealing disc

MZ290*

ME49F*

4 | 20 Page

4.2.1 For gas-like media

Fig. 1 Damping reactor MZ41*

When operational, set the throttle needle so that the

output signal is settled as required.

4.2.2 In the case of fluid media

Fig. 2 Capillary throttle coils MZ40*

4.3 Electrical connections

The ME49F* is an intrinsically-safe piece

of equipment for use in potentially explo-

sive areas. For connection of the intrinsi-

cally safety supply current circuit, the

details in the type approval certificate apply.

For ex-operations, observe the electrical data of

the EC type examination certificate (see at-

tachment) and the local applicable regulations

and guidelines for the installation and operation

of electrical installations in potentially explosive

areas.

By authorized and qualified specialized person-

nel only.

Disconnect the system from the mains before

connecting the device.

Add a fuse adapted to the energy requirements.

5 Start-up

All electrical supply, operating and measuring

lines and the pressure connections must have

been correctly installed before commissioning.

All supply lines are arranged so that there are

no mechanical forces acting on the device.

Check that the pressure connections do not

leak before commissioning.

ME49F*

MZ41*

MZ40*

ME49F*

Output

Net-

work

Power Rail

certified, intrinsi-

cally-safe

power unit

Pressure transmitter ME49F

Ex-area

Not ex-area

5 | 20 Page

5.1 Zero point and measuring range ad-

justment

Please note that adjustments can only

be carried out in ex-free zone.

The pressure transmitters are set in the factory

before delivery so that they do not usually need to

be adjusted at the assembly site. If the output signal

does need to be adjusted, this can be undertaken

using the 'S' and 'N' potentiometers.

The potentiometers can be accessed by unscrew-

ing the lid of the housing. The unit is connected to

the power supply as shown on the wiring diagram

and also, an ammeter is connected between the

pressure transmitter and the auxiliary energy

source.

Fig. 3 Measuring switch

Fig 4 Setting potentiometer

5.2 Adjustment sequence:

Switch on auxiliary energy

Depressurize the measuring system: p = 0

Display for std. measuring ranges = 4.0 mA

In the case of any deviations, the output signal

of the pressure transmitter shown by the am-

meter can be corrected with the zero-point po-

tentiometer (N).

Set the pressure in the measuring system to

the measuring range end value (e.g. pressure

is generated by means of a manual pump and

pressure compensation unit) Display 20 mA. In

case of differences, correct by adjusting the

voltage potentiometer (S).

Then check the zero-point and measuring

range again; correct if necessary.

6 Maintenance

The instrument is maintenance-free.

We recommend checking the instrument at regular

intervals to ensure reliable operation and a long

service life.

Inspecting the output signal.

Check the leak-tightness of the pressure con-

nection lines.

Check the electrical connection (cable clamp

connections).

The precise test cycles and operating and ambient

conditions need to be adjusted. If various instru-

ment components interact, the operating instruc-

tions of all the other instruments also need to be

observed.

7 Transportation

The measuring device must be protected against

impacts. It may only be transported in packaging

specifically intended for transport.

8 Service

All defective or faulty devices should be sent direct-

ly to our repair department. We would ask you to

please coordinate all return shipments with our

sales department so that we can ensure

careful processing of all faulty devices

for our customers.

Process media residues in and

on dismantled devices can be a hazard to people,

animals and the environment. Take adequate

preventive measures. If required, the devices must

be cleaned thoroughly.

9 Accessories

Not planned

10 Waste disposal

For the sake of the environment ....

Please help to protect our environ-

ment and dispose of or recycle used instruments as

stipulated by the applicable regulations.

Auxiliary energy

Apparent ohmic resistance

Span

Zero point

Ampere meter

6 | 20 Page

11 Technical Data

Measuring range

40 mbar

60 mbar

100 mbar

160 mbar

250 mbar

400 mbar

600 mbar

1 bar

Overpressure-proof

4 bar

6 bar

10 bar

4 bar

Measuring range

1.6 bar

2.5 bar

4 bar

6 bar

10 bar

16 bar

25 bar

40 bar

Overpressure-proof

4 bar

8 bar

12 bar

32 bar

60 bar

Ambient conditions

Admissible ambient temperature

-20° to +60°C

Permissible medium temperature

-20° to +60°C

Admissible storage temperature

-30° to +70°C

Electrical data

Rated Voltage

24 V DC

Allowed operating voltage Ub

15 … 30 V DC

Limit value of the supply power circuit

Voltage Ui

≤30 V

Current Ii

≤100 mA

Output Pi

≤ 750 mW

effective inner capacity Ci

15 nF

effective inner inductivity Li

90 mH

Capacity between the power circuit and housing.

≤2.2 nF

Output signal

4... 20 mA

Electrical connection type

Two-wire

Load at rated voltage

450 

Apparent ohmic resistance

RL[] (Ub-15 V) / 0.02 A

Current/voltage limit

ca. 30 mA

Temperature drift, zero-point

0.4 % FS/10 K

Temperature drift, measuring range

0.05 % FS/10 K

Linearity

± 0.5% of the measuring range

Hysteresis

<0.1% of the measuring range

Connection, materials, assembly

Discharge port

Connection shank G1/2B acc. to DIN EN 837

Electrical connection

Inside screw terminal, cable screw connection M16 x 1.5

Protection

IP 65 acc. to DIN EN 60529

Materials of parts that come into contact with the

medium

Chromium nickel steel 1.4571, ceramic, FPM

Casing material

Aluminium, painted

Assembly

Tap of sleeve assembly acc. to DIN EN 837

Wall assembly using the wall holder MZ310* and manometer adapter MZ290*

Manometer screw connections MZ27* allow pipes to be connected directly

Identification

0044

II 2G Ex ib IIC T6 Gb

EC Examination Certificate

BVS 03 ATEX E 414

7 | 20 Page

12 Dimensional drawings

(all dimensions in mm unless otherwise specified)

Cable screw connection

M16 x 1.5

8 | 20 Page

13 Order codes

Pressure Transmitter

Type ME49

EXECUTION

Version in Fischer field housing............................................................>

Measuring range

-25… 25 mbar.......................................................................................... >

0… 40 mbar............................................................................................ >

0… 60 mbar............................................................................................ >

0… 100 mbar........................................................................................... >

0… 160 mbar........................................................................................... >

0… 250 mbar........................................................................................... >

0… 400 mbar........................................................................................... >

0…0.6 bar............................................................................................ >

0…1 bar............................................................................................ >

0 …1.6 bar............................................................................................ >

0…2.5 bar............................................................................................ >

0…4 bar............................................................................................ >

0…6 bar............................................................................................ >

0…10 bar............................................................................................ >

0…16 bar............................................................................................ >

0…25 bar............................................................................................ >

0…40 bar............................................................................................ >

-1…0 bar............................................................................................ >

-1… 0.6 bar............................................................................................ >

-1… 1.5 bar............................................................................................ >

-1…3 bar............................................................................................ >

-1…5 bar............................................................................................ >

-1…9 bar............................................................................................ >

-1…15 bar............................................................................................ >

Discharge port

Connecting pin with outer thread G1/2B bottom, Niro............................................. >

Electrical output signal

4 - 20 mA linear, 2-LINE......................................................................................................>

Electrical connection

Inner terminal strip.....................................................................................................................>

Operating voltage

15 - 30 V DC...................................................................................................................................>

9 | 20 Page

15 Attachments

10 | 20 Page

Tabla de contenidos

Otros manuales de Instrumento de medición de FISCHER

FISCHER

FISCHER EA14M Manual de usuario

FISCHER

FISCHER DA30 Manual de usuario

FISCHER

FISCHER DA01 Manual de usuario

FISCHER

FISCHER DA01 0A Series Manual de usuario

FISCHER

FISCHER MA15F ... A Series Manual de usuario

FISCHER

FISCHER DA03 GKT/HLP Manual de usuario

FISCHER

FISCHER DA09 series Manual de usuario

FISCHER

FISCHER DS21xxxH series Manual de usuario

FISCHER

FISCHER NK10 H Manual de usuario

FISCHER

FISCHER DA01 VUW ATEX Manual de usuario

FISCHER

FISCHER Me01 Series Manual de usuario

FISCHER

FISCHER DAREX 715000 Manual de usuario

FISCHER

FISCHER MMS Inspection SPG Series Manual de usuario

FISCHER

FISCHER DE44 Manual de usuario

FISCHER

FISCHER DA09 series Manual de usuario

FISCHER

FISCHER DS21 Manual de usuario

FISCHER

FISCHER NC56 Manual de usuario

FISCHER

FISCHER PERMASCOPE MP0R Manual de usuario

FISCHER

FISCHER DA03 SR/NM Manual de usuario

FISCHER

FISCHER ME01 Series Manual de instrucciones

FISCHER

FISCHER DELTASCOPE FMP10 Manual de usuario

FISCHER

FISCHER DA12 Manual de usuario

FISCHER

FISCHER MMS Manual de usuario

FISCHER

FISCHER ECO-LINE FT80 Manual de usuario

Manuales populares de Instrumento de medición de otras marcas

Suaoki

Suaoki D40 Manual de usuario

Elster

Elster BK-G1.6 Manual de usuario

Endress+Hauser

Endress+Hauser Deltabar FMD71 Manual

Duratool

Duratool D03128 Manual de usuario

Vega

Vega VEGAPULS 65 Manual de usuario

Tonghui

Tonghui TH2618B Manual de usuario

Tenmars

Tenmars TM-801 Manual de usuario

MSR

MSR 145 Manual de usuario

TPS

TPS WP-82 Manual de usuario

ELMETRON

ELMETRON CP-511 Manual de usuario

PCB Piezotronics

PCB Piezotronics 003C30 Manual de usuario

Tenma

Tenma 72-10465 Manual de usuario

Endress+Hauser

Endress+Hauser Proline Promag 50 Especificaciones técnicas

Siemens

Siemens SITRANS F Coriolis FCT030 Manual de lista de piezas

KLINGER

KLINGER CMF V Series Manual de usuario

EXFO

EXFO FTB-2 Manual de operación y mantenimiento

Keysight

Keysight M8290A Manual de usuario

ADTEK

ADTEK MW-5 Manual de usuario