Technical Data - Gemü 3021 Original - Betriebs- Und Montageanleitung

4

Technical data

Working medium
Liquid inert or corrosive aqueous media which have no
negative impact on the physical and chemical properties of
the body and seal material.
General information
Protection class to EN 60529: IP 65
Weight:
Dimensions LxWxH:
Mounting position:
Mounting note:
Directives:
EMC
Electrical data
Power supply U :
V
Power consumption [W]:
Current consumption [A]:
(for current output = 0 mA)
Input signals:
SetBatchNo 1-4, SetBatchQty (Batch Controller)
Total Count reset (Totalizer)
High-Signal:
Low-Signal:
Impulse time:
SetQtyFactrTime (Batch Controller)
High-Signal:
Low-Signal:
Resolution:
Output signals:
Pulse output
typ. U
Drop
Batch end
typ. U
Drop
Pulse rate ≤ K-Factor / 2
K-factor adjustable, see enclosed test certificate
Current
Resolution
Accuracy
Load resistor
Load dependence
Relay
Switching voltage / contact
Switching current / contact
Switch rating / contact
Electrical connection:
Plug, type A, DIN EN 175301-803 (Totalizer)
M12x1 5 pin plug (Batch controller)
Recomm. connection cable; ø: 8-10 mm
Temperature in °C
Body material
PVC-U, grey Code 1
PVDF Code 20
DN 25: 600 g
DN 50: 1500 g
see dimensional drawing
optional
Inlet/outlet distances 5 x DN
CE
2014/30/EU
18-30 V DC
typ. 1 W
typ. 40 mA
14 V DC - 30 V DC
0 V DC - 8 V DC
≥ 100 ms
14 V DC - 30 V DC
0 V DC - 8 V DC
4 ms
PNP, (U -U )
V Drop
1.7 V at 24 V / 5 mA
2.5 V at 24 V / 10 mA
5.0 V at 24 V / 20 mA
PNP, (U -U )
V Drop
2 V at 24 V DC / 0.7 A
0/4 - 20 mA
≤ 23 μA (10 bit)
± 1.5 bit
≤ 500 Ohm
0.25 %
≤ 36 V DC / 30 V AC
≤ 1 A
≤ 15 W
Voltage: ≤ 36 V DC / 30 V AC
Current: ≤ 2 A DC
Rating: ≤ 60 W
Pressure / temperature correlation for PN 10
-20 -10 ±0
- - -
10.0 10.0 10.0 10.0
Electrical data
Measurement data
Measuring range
(adjustable)
Pulse rate
(adjustable)
Start-up
Pressure loss
Accuracy:
Repeatability:
Optical display:
Operating conditions
Storage temperature:
Operating temperature:
Medium temperature with body material:
PVC-U (Code 1)
PVDF (Code 20)
Type of medium
The permissible operating pressure depends on the working
medium temperature, see table below.
Materials
Medium wetted parts
Inner turbine components:
Body:
Bearing / shaft:
Seals:
Flow transducer:
Housing:
Housing cover of measuring device,
size B:
Housing seal:
Housing bolt:
Plug:
Plug housing:
Plug bolt:
VQSt 36-2-4.8 Profile packing:
Further housing materials upon request
Note
Measuring certificate with calibration data is included.
Calibration with water 20 °C.
To prevent blockage of the rotor due to particles contained
in the medium, an upstream dirt filter (mesh width 100 μm)
should be installed!
5 10 20 25
permissible operating pressure in bar
- 10.0 10.0 10.0
10.0 10.0 10.0
29 / 52
DN 25 120 L/h - 7200 L/h
(factory setting 3600 L/h)
DN 50 500 L/h - 25000 L/h
(factory setting 25000 L/h)
DN 25 max. 256 pulses/L
(factory setting 1 pulse/L)
DN 50 max. 25 pulses/L
(factory setting 1 pulse/L)
DN 25 ≤ 80 L/h
DN 50 ≤ 500 L/h
DN 25 0.1 bar for 3600 L/h
DN 50 0.2 bar for 25000 L/h
± 1.0 % FS (FS = full scale)
± 0.5 % FS
LC-Display 2 x 16 characters
digit height 5.55 mm
-10 to +60 °C
-20 to +60 °C
+10 to +60 °C
-20 to +80 °C
liquid ≤ 120 mm²/s (120 cSt)
PVDF
PVC-U/PVDF
Sapphire/
Ceramics (AI203)
FPM, EPDM
PP
PMMA
NBR
1.4303
PA 6 (Totalizer)
PA 66 (Batch controller)
NBR
30 40 50 60
8.0 6.0 3.5 1.5
9.0 8.0 7.1 6.3
3021
70 80
- -
5.4 4.7