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Summary of Contents for PKP DS07
- Page 1 Instruction Manual DS07 Visosity Compensated Varable Area Flowmeter and Switch – Mounting Independent 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...
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Page 2: Table Of Contents
Process conditions: DS07.M: max. pressure: 16 bar, max. temperature: 100 °C (optional 160 °C) DS07.S: max. pressure: 10 bar, max. temperature: 100 °C (optional 160 °C) In particular, applications in which shock loads occur (for example, pulsed operation) should be discussed and checked in advance with our technical staff. -
Page 3: Overview
The series DS07 flow meter devices should not be deployed as the sole agents to prevent dangerous conditions occurring in plant or machinery. Machinery and plant need to be designed in such a manner that faulty conditions and malfunctions do not arise that could pose a safety risk for operators. -
Page 4: Installation
do not install the flow monitor as a supporting part in a pipe system the medium must not carry solid bodies. Magnetic particles accumulate on the magnetic float and impair its function. Check corrosion and antifreeze agents from the application for compatibility. DS07 Instruction manual 03/2020 page 4... - Page 5 This may result in serious injury to the user. if the mediums is contaminated by solids, a strainer must be installed before the device (e.g. SF00 or SF01 from PKP) Direction 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).
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Page 6: Connecting Devices Equipped With Reed Switches
Capacitive Load Capacitive loads consist e.g. of long connection cables or capacitive consumers. WARNING: High current spikes at switching on (this will exceed the nominal current) Protective measures: (examples) Limitation of current by a resistor DS07 Instruction manual 03/2020 page 6... - Page 7 But it cannot be guaranteed that for specific applications more adequate Boucherot cells may exist. For Reed switches of 10 – 40 VA Voltage [V] Resistance [Ohm] Capacitance [nF] 1500 For Reed switches of 40 – 100 VA Voltage [V] Resistance [Ohm] Capacitance [nF] 1000 DS07 Instruction manual 03/2020 page 7...
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Page 8: Electrical Connection
250 V / 1 A / 30 VA, 3UT6 = Ex-SPDT, T6* min load: 3 VA (2 m cable) * Exact max. switching capacity: see ATEX documents ** protection class M12x1 plug for DS07.M: IP65 DS07 Instruction manual 03/2020 page 8... -
Page 9: Contacts For Ds07.M
Switching contact with 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 DS07 Instruction manual 03/2020 page 9... - Page 10 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 DS07 Instruction manual 03/2020 page 10...
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Page 11: Contacts For Ds07.S
Switching contact with 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 DS07 Instruction manual 03/2020 page 11... - Page 12 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 DS07 Instruction manual 03/2020 page 12...
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Page 13: Setting The Switch Point
6. Tighten the set screws of the switch contact using a flat-bladed screwdriver. When doing so, observe the correct tightening torque (0,4 Nm) of the screws. The set switch point corresponds to the switch-off point of the switch contact by decreas- ing flow. DS07 Instruction manual 03/2020 page 13... -
Page 14: Troubleshooting Guide
Incorrect reduction fitting or Correct pipe diameter pipe diameter is too small Device is dirty Disassemble and clean the device Device is defective Remove device from system and contact PKP DS07 Instruction manual 03/2020 page 14... -
Page 15: Maintenance / Maintenance Plan
Maintenance / Maintenance plan Intervals for replacing wear parts DS07 type flow monitors require very little maintenance due to the small number of mov- ing parts. The intervals for the replacement of wear parts depend significantly on the oper - ating conditions as well as on the composition of the medium flowing through the device. - Page 16 Ex- version acc. to ATEX • Description: The flowmeter and switch model DS07 works according to a The high preload of the spring in combination with a modified variable area principle. perforated orifice in the float reduces the influence of viscosity...
- Page 17 1.4571 2X = SPDT for SPS application gaskets: FKM, optional NBR, EPDM 3ST5 = Ex-N/O, T5 (100 °C), with 2 m cable, for DS07.S magnet: hard ferrite 3ST6 = Ex-N/O, T6 (80 °C), with 2 m cable, for DS07.S 3UT5 = Ex-SPDT, T5 (100 °C), with 2 m cable, for DS07.S...
- Page 18 3 VA (2 m cable) Exact max. switching capacity: see ATEX documents ATEX-Bezeichnungen: ** protection class M12x1 plug for DS07.M: IP65 Contacts 3SM and 3UM for DS07.M: ATEX II 2 G Ex ib IIC and ATEX II 2 D Ex ib IIIC for connection to a certified intrinsically safe circuit, temperature range -5 °C <...
- Page 19 Please note that the switch-on points are higher due to the hysteresis. For applications where pressure surges are to be expected, please contact PKP! • Dirt traps SF00, SF01 • Protection relay MSR01 • M12 Plug connector PVC-cable SM12 PKP Prozessmesstechnik GmbH +49 (0) 6122-7055-0 •...
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