Nivoswitch Rcm-400-1 - Cảm Biến Mức - Nivelco Vietnam - Stc Vietnam

R-400 / R-400 Ex

TYPE

2-wire DC

R * *-4 * *-6

R * *-4 * *-8 Ex

R * *-4 * *-K

R * *-4 * *-L Ex

R * *-4 * *-7

R * *-4 * *-9 Ex

Medium pressure

40 bar, PP flange: 6 bar see „Temperature diagrams”

Electric connections

Connector

3 m cable

(2 x 0.5 mm2)

Probe length

0.69 m… 3 m

Ingress Protection

IP 65

IP 67

IP 68

Material of wetted parts

DIN 1.4571,

PFA coating

Output

DC current change: When free: 9 ± 1 mA;

When immersed: 14 ± 1 mA

Medium temperature

-40°C … +130°C

see table in 5.1 and diagrams

Consumption

< 0,5 W

Ambient temperature

-40°C…+70°C

see table in 5.1 and diagrams R* *-4* *-L Ex ;

R* *-4* *-M and R* *-4* *-K

-25°C…+70°C

Power supply (U)

15 … 29 V DC

Provided by the PKK-312-8 Ex remote switching unit for the Ex version

Liquid density

³ 0.7 kg/dm3

Setting operation mode

By switch on the remote switching unit (Low fail-safe, High fail-safe)

Liquid viscosity

£ 10000 mm2/s (cSt)

Electrical protection

Class III.

Response time

When immersed

0.5 sec

When free

When free: £1 s see response time diagram

Ex protection mark of RC*-4 * *-* Ex and RG*-4 * *-* Ex

 II 1G Ex ia IIC T6...T4 Ga

Ex protection mark of RA*-4 * *-* Ex

 II 1G Ex ia IIB T6...T4 Ga

Output mode indication

Bi-colour (LED)

Intrinsically safe data

U < 29 V, I < 100 mA P<1,4 W,

Ceq < 7 nF Leq »0

For temperature classes see 5.1.

TYPE

2-WIRE AC

3-WIRE DC

R * * - 4 * * - 1

R * * - 4 * * - 2

R * * - 4 * * - 3

R * * - 4 * * - M

R * * - 4 * * - 4

Electric connections (wire cross section)

Connector

Integral cable (4 x 0.75 mm2) max length 30 m

Connector

Integral cable (5 x 0.5 mm2) max length 30 m

Mechanical protection

IP 65

IP 68

IP 65

IP67

IP 68

High/low mode setting

Connection within connector

Wire selectable

Switch selectable

Connection within connector

Wire selectable