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Heinrichs Messtechnik GmbH 

EX-Supplementary Operating Manual  
HPC Mass Flow Meter 

Page 5 of 20 

 

1.1

 

Hazard warnings 

The purpose of the hazard warnings listed below is to ensure that device operators and maintenance 
personnel are not injured and that the flow meter and any devices connected to it are not damaged. 
The safety advisories and hazard warnings in the present document that aim to avoid placing operators and 
maintenance  personnel  at  risk  and  to  avoid  material  damage  are  prioritized  using  the  terms  listed  below, 
which are defined as follows in regard to the instructions herein and the advisories pertaining to the device 
itself. 
Warning 

 

 

means that failure to take the prescribed precautions could result in injury, substantial material 
damage or even death. Always comply to these warnings and proceed with caution. 

 

 

Caution 

 

 

means that failure to take the prescribed precaution could result in material damage or 
destruction of the device. We advice always to abide to these instructions! 
 

 

 

Note 

 

 

means that the accompanying text contains important information about the product, handling 
the product or about a section of the documentation that is of particular importance. 

 

1.2

 

Proper use of the device 

 

 

Warning 
The operator is responsible for ensuring that the material used in the sensor and 
transmitter housing is suitable and that such material meets the requirements for the fluid 
being used and the ambient site conditions. The manufacturer accepts no responsibility in 
regard to such material and housing. 

 

 

Warning 
In order for the device to perform correctly and safely, it must be shipped, stored, set up, 
mounted operated and maintained properly. 

 
 

 

Summary of Contents for Heinrichs HPC Series

Page 1: ...y Operating Manual for explosion proof flow meters This operating manual contains important information for the operation in potentially explosive atmospheres Please read the instructions carefully an...

Page 2: ...nstallation 9 4 3 1 Thermally insulated sensor 9 4 3 2 Heated sensor 9 4 3 3 Connection sensor transmitter 9 4 4 EC Type Examination 11 4 4 1 Sensor Parameters 11 4 4 2 Ambient temperature range Ta 12...

Page 3: ...tion November 2018 or later These instructions are supplementary operating manual for non explosion proof Coriolis flow sensors If you do not have a copy of the latter instructions please request one...

Page 4: ...to be performed by a technician trained to work with explosion proof devices or by a Heinrichs Messtechnik service technician Warning Any safety relevant maintenance or repairs in terms of explosion p...

Page 5: ...substantial material damage or even death Always comply to these warnings and proceed with caution Caution means that failure to take the prescribed precaution could result in material damage or destr...

Page 6: ...Messtechnik GmbH Robert Perthel Strasse 9 D 50739 Cologne Germany Phone 49 221 49708 0 Fax 49 221 49708 178 Internet www heinrichs eu Email info heinrichs eu Product type Mass flow rate meter for liqu...

Page 7: ...dust mixtures are likely to occur 3G 2 3D 22 Equipment in this category is intended for use in areas in which explosive atmospheres caused by gases vapours mists or air dust mixtures are unlikely to o...

Page 8: ...sensor using a dedicated cable specially designed for this purpose Such a cable can be purchased from Heinrichs Messtechnik during your order process 4 2 Device identification The rating plates on Hei...

Page 9: ...for the fluid is indicated on the sensors rating plate It is also the operator s responsibility to ensure that no hazards are created by hot surfaces pursuant to EN 1127 1 Explosive atmospheres Explos...

Page 10: ...Electrical installations in hazardous areas for Europe Section 18 of the Canadian Electrical Code for Canada or Article NEC 504 and or NEC 505 for the United States Applicable guidelines pertaining to...

Page 11: ...35 C Da Ex ia IIIC T190 C T240 C Db and are approved for the use in potentially explosive atmospheres hazardous classified locations Warning In order to comply with the requirements for explosive atmo...

Page 12: ...e temperature and equipment protection level are dependent upon the connection type process temperature and ambient temperature as follows Table1 Temperature Classes Connection via HAN R23 connector p...

Page 13: ...le for its intended use f The operator shall ensure protection against lightning according to local regulations g The sensor is maintenance free Substitution of components may impair intrinsic safety...

Page 14: ...user installer The options are detailed under the description in the certificate When the maximum process temperature of the final installation is determined by the end user the temperature class ass...

Page 15: ...sses those aspects covered by a close inspection and in addition identifies those defects such as loose terminations which will only be apparent by opening the enclosure and or using where necessary t...

Page 16: ...in conjunction with explosive atmospheres Such equipment shall only be repaired by expert personnel trained and authorized to do so Damaged threaded or flat joints which may impair the IP protection o...

Page 17: ...osition J Enclosure options Non Ex relevant position K Type of installation Non Ex relevant position L Sensor configurations R Remote 40 C to 80 C 40 F to 176 F L Remote 40 C to 180 C 40 F to 356 F X...

Page 18: ...Heinrichs Messtechnik GmbH Page 18 of 20 EX Supplementary Operating Manual HPC Mass Flow Meter 9 Declaration of Conformity...

Page 19: ...Heinrichs Messtechnik GmbH EX Supplementary Operating Manual HPC Mass Flow Meter Page 19 of 20...

Page 20: ...Heinrichs Messtechnik GmbH Page 20 of 20 EX Supplementary Operating Manual HPC Mass Flow Meter...

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