NBK-M
10. Technical Information
Bypass tube:
Ø 40 mm (1.57”)
Material:
1.4571/316 SS
O-Ring (Ground flange):
Buna-N
(other materials as options)
Operating pressure:
PN 6/16/40 (87/232/580 PSIG)
Service temperature:
to 120°C (250°F) with polypropylene rollers
to 200°C (390°F) with ceramic rollers
Viscosity:
max. 200 centistoke
Max. measuring length:
to 3000 mm (120”) one-piece
Total length:
according to measuring length,
see dimension drawing
Float:
titanium, closed
Special versions on request
PED 97/23/EG
Art. 3 § 3, Diagram 1, Gr. 1
No CE- mark
Limit contacts model NBK-R, NBK-REx
Contact operation:
bistable changeover contact
Switching hysteresis:
approximately 15 mm
Switching capacity:
60 W/VA; 230 V
AC/DC
, 1.0 A (NBK-R)
Process temperature:
max. 100 °C (212°F)
Ambient temperature:
max. 75 °C (170°)
Protection type:
IP 67/NEMA 4X
Connection:
3 Ft. PVC cable
Case:
plastic
Limit contacts model NBK-RT200, NBK-RT400
Contact operation:
bistable changeover contact
Switching hysteresis:
approximately 15 mm
Switching capacity:
80 VA; 250 V
AC
; 1A
Process temperature:
RT200 = 200 °C / RT400 = 400 °C
Protection type:
IP 65 NEMA 4X
Design:
aluminium pressure casing, terminal connection
Resistive Level Transducer: Option...W...
Total resistance:
approximately 5 k
Ω
Measuring-circuit voltage:
max. 24 V
DC
Measuring current:
max. 0.1 A
Medium temperature:
max. 200 °C (390°F)
Ambient temperature:
max. 130 °C (265°F)
Protection type:
IP 65 NEMA 4
Resolution:
±10 mm (0.4”) for measuring length < 78”
±20 mm (0.8”) for measuring length >78”
Transmitter model: ...M...
NBK-M_manual_3-5-04.doc
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