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Instruction Manual

DS08

Viscosity Compensated Variable Area Flowmeter and

Switch 

- mounting independent, all metal for high pressures -

PKP Prozessmesstechnik GmbH

Borsigstraße 24

D-65205 Wiesbaden-Nordenstadt

Tel.: ++49-(0)6122-7055-0

Fax: ++49-(0)6122-7055-50

Email: [email protected]

Содержание DS08

Страница 1: ...y Compensated Variable Area Flowmeter and Switch mounting independent all metal for high pressures PKP Prozessmesstechnik GmbH Borsigstraße 24 D 65205 Wiesbaden Nordenstadt Tel 49 0 6122 7055 0 Fax 49 0 6122 7055 50 Email info pkp de ...

Страница 2: ... initiation or operation of this device must have read and understood the operating instructions and in particular the safety instructions The liability of the manufacturer expires in the event of damage due to improper use non observance of this operating manual use of insufficiently qualified personnel and unau thorized modification of the device Proper Usage The variable area flowmeters of the ...

Страница 3: ...erous media such as e g Oxygen Acetylene flammable or toxic substances as well as refrigeration systems compressors etc must comply with the relevant regulations beyond the general rules Qualified Personnel The DS08 devices may only be installed by trained qualified personnel who are able to mount the devices correctly Qualified personnel are persons who are familiar with assembling installation p...

Страница 4: ...scale and pointer mechanism 6 Process connection inlet Switch point adjustment scale A scale is applied to the device body to which the desired switch point can be adjusted Display scale On the device a display housing is mounted with integrated indicator scale and pointer movement The pointer on the scale indicates the current flow value DS08 Instruction manual 03 2020 page 4 ...

Страница 5: ...fluence the magnetic field of the device Keep a space of minimum 100 mm to those materials e g steel changes in cross section branch offs or arcs in the pipe system impair measuring accuracy Ensure that the unimpeded flow sections are maintained in front of instrument 10 x nominal diameter behind the instrument 5 x nominal diameter Never reduce the pipe diameter immediately before the device in th...

Страница 6: ... of flow Only install the flow monitor in one of the positions displayed in the drawing The medium must flow in the direction of the arrow from a low to a high scale value DS08 Instruction manual 03 2020 page 6 ...

Страница 7: ...power The Reed contact integrated in the switching unit is very sensible to electrical over load Danger of overload is given by the following applications inductive load capacitive load lamp load Inductive Load Inductive loads consist e g of relay contactors solenoid valves motors electric engines etc WARNING Voltage spikes at shut down up to 10 times of nominal voltage Protective measures example...

Страница 8: ...e directly connected to the input terminals of a PLC without problems RC Circuits as protective measures Boucherot cell Snubber In practice the following values of resistor capacitor cells give good results Nevertheless the values given in the following tables are only recommendations for general purposes But it cannot be guaranteed that for specific applications more adequate Boucherot cells may ...

Страница 9: ...act rating Type Size Contact function Angle plug IP65 M12x1 plug IP67 Cable connection 1 m IP67 DS08 M 1 2 1 N O 230 V 3 A 60 VA 125 V 3 A 60 VA 230 V 3 A 60 VA 2 SPDT 250 V 1 5 A 50 VA min load 3 VA 125 V 1 5 A 50 VA min load 3 VA 2X SPDT for SPS 250 V 1 A 60 VA 3SM Ex N O gas 30 V 0 101 A 0 76 W dust 30 V 0 25 A 0 75 W gas 30 V 0 101 A 0 76 W dust 30 V 0 25 A 0 75 W 3UM Ex SPDT DS08 S 1 4 1 2 3 ...

Страница 10: ...th connector acc to EN 175301 803 Normally Open NOC Change Over COC Switch position under no flow condition Switch position under no flow condition The ground pin is not used The ground pin is not used DS08 Instruction manual 03 2020 page 10 ...

Страница 11: ...ge Over COC Switch position under no flow condition Switch position under no flow condition Switching contact with cable The individual cores of the cable are numbered according to the following connection dia gram Normally Open NOC Switch position under no flow condition DS08 Instruction manual 03 2020 page 11 ...

Страница 12: ...th connector acc to EN 175301 803 Normally Open NOC Change Over COC Switch position under no flow condition Switch position under no flow condition The ground pin is not used The ground pin is not used DS08 Instruction manual 03 2020 page 12 ...

Страница 13: ...nder no flow condition Switch position under no flow condition Switching contact with cable The individual cores of the cable are numbered according to the following connection dia gram Normally Open NOC Change Over COC Switch position under no flow condition Switch position under no flow condition DS08 Instruction manual 03 2020 page 13 ...

Страница 14: ...r 2 Slide the switch contact to the flow value to be monitored Make sure that the arrow on the switch contact label is in exact alignment with the desired flow value on the body scale 3 Re tighten the switch contact housing set screws 1 using a screwdriver Observe the correct tightening torque of 0 4 Nm The set switch point corresponds to the switch off point of the switch contact by decreas ing f...

Страница 15: ...t Switch contact is permanently switched Flow is too high or the switch contact is set too low Reduce the flow Adjust the switch contact to a higher flow rate Use the device at another measuring range Switch contact is permanently switched Float is stuck Disassemble and clean the device Switch contact is defective Remedy the cause of the defect short circuit overload Replace the switch contact The...

Страница 16: ...ntenance work Visual inspection for dirt soiling Visual inspection for free movement of float Visual inspection for leaks from the device Check function of switch contact For detailed information on maintenance and cleaning of the device please refer to a separate manual Please ask for them if required Degree of protection IP Code Process connection Specification of connection material Degree of p...

Страница 17: ...position of the Reed contact the switch will close With higher flows the float moves further upward until it reaches a built in float stop still keeping the switch closed This ensures a bistable switch function at any time Viscosity compensation mounting position and reliability The built in spring and the magnetic float guarantee an abso lute reliability of the meter This spring which pushes the ...

Страница 18: ...r DS08 M 3R reduction G only for measuring range 06 15A 4 female thread G 1 standard for DS08 S Materials 1 brass 2 stainless steel 1 4571 Scale 1 for viscous medium Measuring ranges Extended measuring ranges only DS08 M 01 0 1 0 8 l min max 200 cSt 03 0 5 1 6 l min max 200 cSt 04 0 8 3 l min 05 2 7 l min only DS08 S 06 0 1 0 8 l min max 200 cSt 07 0 5 1 5 l min 08 1 4 l min 09 2 8 l min 10 3 10 l...

Страница 19: ...for DS08 S ATEX II 2 G Ex mb II T6 ATEX II 2 D Ex tD A21 IP67 T80 C ATEX II 2 G Ex mb II T5 ATEX II 2 D Ex tD A21 IP67 T100 C only with cable connection standard 2 m PKP Prozessmesstechnik GmbH Borsigstr 24 D 65205 Wiesbaden S 49 0 6122 7055 0 T 49 0 6122 7055 50 info pkp de www pkp de Contact rating Type Size Contact function Angle plug IP65 M12x1 plug IP67 Cable connection 1 m IP67 DS08 M 1 2 1 ...

Страница 20: ...or operating densities deviating from the specified specifications increase the specified measuring error Special scales for different media and operating conditions are available on request The specified switching points are shut off points at falling flow rates Please note that the switch on points are higher due to the hysteresis For applications where pressure surges are to be expected please ...

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