NIVELCO NIVOSWITCH R-400 Series User Manual

Thank you for choosing a NIVELCO instrument
We are sure that you will be satisfied with it throughout its use!
1. APPLICATION
The NIVOSWITCH vibrating forks are for detection of level and flow of liquids. Using them as high or low fail
safe switch overfilling of tanks and dry run of pumps can be prevented.
2. TECHNICAL DATA
MODEL
Wetted parts
Process connection
Housing material
Medium
Temperature ranges
Ambient
Maximum pressure
Probe length
Minimum medium density
Maximum medium viscosity
Getting immersed
Response time
Getting free
Operation mode indicator
Operation mode selection
Output
Electric connections
Supply voltage
Consumption
Electrical protection
Ingress protection
Weight
WARNING! Temperature difference between inner and outer surface of the ECTFE coated flanges must not exceed 60
insulate outer surface of the flange.
2.1 A
CCESSORIES
− User's manual
− Warranty Card
− Declaration of conformity
2.2 O C
RDER ODE
F C
ORK ODE
D
ECTFE coated
Standard
2.3 D
IMENSIONS
Short model
89
Pipe extended model
2xM20x1.5
2 x 1/2" NPT
1" BSP
1" NPT 2xM20x1.5
S=41
2 x 1/2"
1" BSP
Standard model
1" NPT
89
2xM20x1.5
2 x 1/2" NPT
1" BSP
1" NPT
S=41
28
R-400
St.st. 1.4571 (X 6 CrNiMoTi 17122) or ECTFE (Halar
According to the order code
Aluminium: Powder paint coated
-40 C to +130 C
° °
ECTFE coated st.st. flange: -40
-30
40 bar (with PP flange 6 bar) See 2.4 Derating Diagrams
10000 mm
≤
1 sec See 2.4 Response Time Diagram
≤
Switch for selection of HIGH or LOW fail safe mode
1 or 2 SPDT relays
Relay 1: 250 V AC, 8 A, AC 1
M 20 x 1.5 cable gland;
(0.75 to 2.5 mm
20 ... 255 V AC and 20 ... 60 V DC
AC: 1.2 ... 17 VA ;
IP 67 (NEMA 6)
1.3 kg + 1.2 kg/m
– Sealing 2 mm thick made of KLINGER OILIT (for 1" BSP process connection only)
– Plug-in type, 3-pole terminal block (2 pcs for standard and 3 pcs for models with 2 relay)
– Cable gland M 20 x 1.5 (2 pcs)
N I V O S W I T C H
C
ONNECTIONS
1" BSP thread
F 1" NPT thread
DIN DN50PN40 st.st flange
2" ANSI st.st. flange
50A JIS st.st flange
DIN DN50 PN16 PP flange
2" ANSI PP flange
50A JIS PP flange
2.4 Derating D
89
NPT
S=41
28
for models with Polypropylene flange
R-500

) coated st.st.
Plastic: PBT fibre-glass reinforced,
flame-retardant (DuPont
PP flange: -20 C to +90 C
° °
C to +120 C, for Derating see diagrams
° °
C to +70 C
° °
69 to 3000 mm
0.7 kg/dm 3
≥
2 /s (cSt)
0.5 sec
≤
Bi-colour LED
Relay 2: 250 V AC, 6A, AC 1
6 to 12 mm cables
∅
2 wire cross section)
DC: < 3 W
Class I.
0.95 kg + 1.2 kg/m
°
C. If necessary,
R –
C H C L
ODE OUSING ODE
M 4
Alu. cast Short (69 mm)
P Plastic 5 Standard (125 mm)
G
0.2 to 3 m
B
K
F
A
J
IAGRAMS
for all models (except PP flanged)

)
–
C O
ENGTH ODE UTPUT
00
1 Relay
01 2 Relay
02...30
2.5 R -
ESPONSE TIME MEDIUM VISCOSITY
t [sec]
35
30
The test was performed using
25
silicone oils with different viscosity
20
15
10
5
0
0 2000
Response time (when getting free) versus medium viscosity
Vibrating fork level switches
Series: R-400 / R-500
USER'S MANUAL
C
ODE
0
A
ν
4000 6000 8000 10000
Kinematic viscosity
[cSt]