Page 338 - Bürkert

Technical Data (continued)
Electrical data Standards, directives and approvals
Power supply 18 - 36V DC filtered and regulated (3 wires) Protection class IP65
Reversed polarity of DC protected Standards and directives
Current consumption ≤ 220 mA (at 18V DC) EMC EN 50081-1, EN 61000-6-2
Output Low voltage (LVD) EN 61010-1
Signal current 4... 20 mA (sink or source by wiring), 100 ms Pressure Complying with article 3 of §3 from 97/23/CE
refresh time; directive.* 8041
max. loop impedance: 1100 Ω at 36V DC; Vibration EN 60068-2-6
330 Ω at 18V DC Shock EN 60068-2-27
Frequency 0... 240 Hz, duty cycle = 50%±1%; 100 mA Approval FDA
max., protected against short-circuits and polar- * For the 97/23/CE pressure directive, the device can only be used under following condi-
ity reversals. tions (dependent on max. pressure, pipe diameter and fluid).
Relay Normally open or normally closed (depending
on wiring), 3 A, 250V AC Type of fluid Conditions
4... 20 mA ±1% Fluid group 1, §1.3.a Forbidden
output accuracy Fluid group 2, §1.3.a DN ≤ 32, or
Alarm DN > 32 and PN*DN ≤ 1000
Full scale exceeding 22 mA and 256 Hz Fluid group 1, §1.3.b PN*DN ≤ 2000
Fault signalling 22 mA and 0 Hz Fluid group 2, §1.3.b DN ≤ 200 or
User parameter Saved in EEPROM PN ≤ 10 or PN*DN ≤ 5000

Pressure/Temperature diagram

8041 with a PVDF sensor 8041 with a stainless steel sensor
(depending on the fitting material) (depending on the fitting material)

Pressure Pressure
A
(Bar) (Bar) A
PVDF (PN10) / Metal 16
10 15
9 14 Metal (PN16)
13
8 PVC + PP 12
7 11
6 10
PVC (PN10) 9
5 PVDF
8
4 7 PVC + PP PVDF (PN10)
3 6
PP (PN10) 5
2
4
1 3 PVC (PN10)
0 Temperature 2
+10 +30 +50 +70 (°C) 1 PP (PN10)
0
-10 +10 +30 +50 +70 +90 +110 +130 +150
A : application range for complete device (Fitting + transmitter) Temperature (°C)

Ordering Chart
Sensor Electrical
Output Relay Housing material Seal material Item no.
version connection
4 - 20 mA, 1 PC FKM short, PVDF 2 cable glands 558 064
frequency
long, PVDF 2 cable glands 558 065

PPA FKM short, stainless steel 2 cable glands 552 779
long, stainless steel 2 cable glands 552 780

Note
1 Kit 558 102, 1 relay connection kit 552 812 and 1 EPDM seal are supplied with each transmitter.

To select a complete device the following items need to be ordered:
• Product no. of the desired flow meter for Type 8041
• Product no. of the Type S020 fitting, for gauges with G 2” connector, must be ordered separately

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