29
promesstec GmbH
I Niedersachsenstraße 4 I D-48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29
E-Mail: [email protected] I Internet: www.promesstec.com
6. Technical specifications
Evaluation system
Supply voltage:
230V AC (+10; -20%) 50 ÷ 60Hz (standard)
24V AC/DC with reverse polarity protection (per order)
Input power:
4.6VA
Display:
LCD 2 x 16 characters, backlit
Size:
DN 10÷400
Lining material:
rubber (hard, soft, certif. for potable water): DN25÷400
(up to 80°C)
PTFE: DN 15÷DN 250 (up to 150°C)
E-CTFE, FEP, PFA: DN 300÷DN 400 (do 130°C)
ceramics: DN 15÷DN80 (up to 170 °C)
Electrode material:
CrNi steel DIN 1.4571, Hastelloy C4, Titanium, Tanta-
lum, Platinum*
All-welded frame
Sensor material:
flanged
– stainless steel and structural steel with polyu-
rethane coating
sandwich, threaded, food processing
– stainless steel
Process connection:
sandwich
flanged DIN (EN1092)
threaded (EN10226-1)
food processing (fittings DIN 11851, clamp)
Measuring range
(Qmin/Qmax):
0.2÷12 m/s (1/60); 0.12÷12 m/s (1/100); 0.06÷12 m/s
(1/200)
Flow meter accuracy:
up to 0.5 % (for 0.1 ÷ 10 m/s)
Repeatability:
up to 0.2 % (for 0.1 ÷ 10 m/s)
Additional electrodes:
reference, earthing and detection for empty pipeline (DN
15÷DN 400)
Empty pipeline detection: DN 15÷DN 400
Min. conductivity of
Medium:
20 μS/cm (at a lower conductivity upon agreement with
manufacturer)
Displayed values:
flow
– m3/h; L/h; L/min; L/s; positive, negative
volume
– m3; L; positive, negative, sum in both directions
Controls:
2× external button (value viewing)
3× internal button (v parameter modification)
Inputs:
ser counter reset
(according to JUMPER on power supply PCB)
Outputs:
impulse/flowswitch (max. 400 Hz), 4÷20 mA
(pulse and current outputs are passive with an option of
feeding from meter's internal power supply)
Communication:
RS485 (M-BUS/Mod-Bus protocol)
Sampling:
12.5 samples per second
Display response:
1.28 s
I/O response:
1.28 s (current loop)
