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 NIVOSWITCH - VIBRATING FORK LEVEL SWITCH
R ? ? 4 ? ? ?

 Type
R 4
 Fork material / Ex certificate
R 4
N Tumble-polished stainless steel / Ex d G
M High-polished stainless steel / Ex d G
 Process connection
R 4
M 1" BSP
P 1" NPT
H 1½" BSP
N 1½" NPT
C 2" BSP
L 2" NPT
 Stainless steel flanges; not welded unless specifically requested
Flanges conform to: EN 1092-1 / ANSI B 16.5
S DN40 PN40/25
G DN50 PN40/25
B ANSI 2" RF 600/300 psi
K JIS 40K 50A
 Housing
R
4 Aluminium (powder-coated)
 Probe length
R 4
 For standard polished forks (RN)
0 0 Standard probe: 2.7"
0 1 Standard probe: 4.9"
n n 7.9"…118"; sold by the 4"
 For high-polished forks (RM)
0 0 Standard probe: 2.7"
0 1 Standard probe: 4.9"
n n 7.9"…118"; sold by the 4"
 nn = 02…30 : 0.7…10 ft
 Output
R 4
N 1 SPDT relay: 250 V AC, 8 A
P 2 SPDT relay: 1x 250 V AC, 8 A and 1x 250 V AC, 6 A

R ? ? 4 ? ? ?
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