NCR-80 Four-wire 4-20 mA/HART
925-0332 Rev B
70
11 Supplement
Plastic horn antenna
Air volume
Pressure
Without reflux valve
With reflux valve
0.2 bar (2.9 psig)
3.3 m³/h
-
0.4 bar (5.8 psig)
5 m³/h
-
0.6 bar (8.7 psig)
6 m³/h
1 m³/h
0.8 bar (11.6 psig)
-
2.1 m³/h
1 bar (14.5 psig)
-
3 m³/h
1.2 bar (17.4 psig)
-
3.5 m³/h
1.4 bar (20.3 psig)
-
4.2 m³/h
1.6 bar (23.2 psig)
-
4.4 m³/h
1.8 bar (20.3 psig)
-
4.8 m³/h
2 bar (23.2 psig)
-
5.1 m³/h
Connection
-
Thread
G⅛
- Seal with metal jacketed lens antenna Threaded plug of 316Ti
Reflux valve - (optional, is absolutely necessary for Ex applications)
- Material
316Ti
-
Thread
G⅛
- Seal
FKM (SHS FPM 70C3 GLT), EPDM (COG AP310)
-
For connection
G⅛
- Opening pressure
0.5 bar (7.25 psig)
- Nominal pressure stage
PN 250
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Options of the cable entry
- Cable entry
M20 x 1.5, ½ NPT
- Cable gland
M20 x 1,5; ½ NPT (cable ø see below table)
- Blind plug
M20 x 1.5; ½ NPT
- Closing
cap
½
NPT
Material ca-
ble gland
Material
seal insert
Cable diameter
4.5 … 8.5 mm 5 … 9 mm 6 … 12 mm 7 … 12 mm 10 … 14 mm
PA
NBR
–
●
●
–
●
Brass, nickel
plated
NBR
●
●
●
–
–
Stainless
steel
NBR
–
●
●
–
●
Wire cross-section (spring-loaded terminals)
-
Massive wire, stranded wire
0.2 … 2.5 mm² (AWG 24 … 14)
-
Stranded wire with end sleeve
0.2 … 1.5 mm² (AWG 24 … 16)
Electromechanical data - version IP 66/IP 68 (1 bar)
Options of the cable entry
- Cable gland with integrated connection M20 x 1.5 (cable: ø 5 … 9 mm)
cable
