BURKERT 8020 INSERTION FLOWMETER WITH PADDLE WHEEL ARTICLE NO 419593

HARAP MEMBACA DESKRIPSI DAHULU SEBELUM MEMBELI.

BURKET 8020
ARTICLE NO 419593
Hall Low Power variant
(only connectable to the flow transmitter for Low Power flowmeters
Type 8025 or to the flow transmitter Typ 8022)
Operating voltage : From associated transmitter
Sensor Variant : Long
Output : Frequency with pulse, transistor NPN, open collector
Electrical connection : Female cable plug DIN EN 175301803
Insertion flowmeter with paddle wheel for continuous flow
measurement
Economic integration in pipe systems without any additional piping
3-wire frequency pulse variant to directly interface with PLCs (both
PNP and NPN)
Connection to Brkert devices in remote variant
Type description
The paddle wheel flowmeter for continuous flow measurement is especially
designed for use in neutral, slightly aggressive, solid free liquids.
The Brkert designed fitting system ensures simple installation of the devices into
all pipes from DN 20DN 400. The flowmeter produces a frequency pulse signal,
proportional to the flow rate, which can easily be transmitted and processed by a
Brkert transmitter/controller.

1. General technical data
Note:
If the device is mounted in a humid environment or outside, then the maximum voltage allowed is 35 V DC instead of 36 V DC.
Product properties
Material
Make sure the device materials are compatible with the fluid you are using.
Further information can be found in chapter 4.1. Brkert resistApp on page 6.
Further information on the materials can be found in chapter 4.2. Material specifications on page 6.
Non wetted parts
Housing PE
Screw Stainless steel
Union nut PC
Female cable plug/male fixed
plug
Body, contact holder and cable gland in PA
Cable gland seal and flat seal in NBR
Wetted parts
Sensor armature PVDF
Axis and bearing Ceramics (Al2
O3
)
Paddle wheel PVDF
Seal FKM (EPDM as option)
Compatibility Any pipe from DN 20DN 400 which is fitted with Brkert Insertion fitting Type S020.
For the selection of the nominal diameter of the fittings, see data sheet Type S020 .
Pipe diameter DN 201.)DN 400
Dimensions Further information can be found in chapter 5. Dimensions on page 6.
Measuring principle Paddle wheel
Measuring range Flow rate: 0.575000 l/min (0.1319813 gpm)
Flow velocity: 0.310 m/s
Performance data
Measurement deviation Teach-in: 1% of the measured value 2.) at teach flow rate value
Standard K factor: 2.5% of the measured value 2.)
Linearity 0.5% of full scale 2.)
Repeatability 0.4% of the measured value 2.)
Electrical data
Operating voltage Hall variant: 1236 V DC, filtered and regulated
Connection to main supply: permanent, through external SELV (Safety Extra Low Voltage) and LPS
(Limited Power Source) power supply
Hall Low Power variant: via the connected Brkert transmitter
Power source (not supplied) Limited power source according to UL/EN 623681 standards or limited energy circuit according to UL/
EN 610101 paragraph 9.4
DC reverse polarity protection Yes
Overvoltage protection Yes
Current consumption Hall variant: 50 mA
Hall Low Power variant: 0.8 mA
Output Hall variant:
2 transistors, pulse output, NPN and PNP, open collector
max. 100 mA
frequency: 0300 Hz
NPN output: 0.236 V DC
PNP output: supply voltage
duty cycle (pulse duration/period): 10%
Hall Low Power variant:
1 transistor, pulse output, NPN, open collector
max. 10 mA
frequency: 0300 Hz
duty cycle (pulse duration/period): 10%
Voltage supply cable Max. 50 m length, shielded
Cross section of wires: 0.251.5 mm

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