Endress+Hauser Proservo NMS7

Servo tank gauging instrument

Measuring principle

Servo / Float Tank Gauging

Characteristic / Application

High precision measurement for liquid level, interface, density for hygienic applications.

Supply / Communication

85-264VAC
20-25VAC/20-62VDC

Accuracy

+/-0.7 mm (+/-0.03")

Ambient temperature

Standard:
-20 В°C ... 60 В°C
(-4 В°F ... 140 В°F)
Optional:
-40 В°C ... 60 В°C
(-40В°F ... 140 В°F)

Process temperature

-200 В°C ... 200 В°C
(-328 В°F ... 328 В°F)

Process pressure absolute / max. overpressure limit

5.88 bar g
(85.28 psi)

Main wetted parts

SUS316

Process connection

DN80 ... DN150
3" ... 6"

Max. measurement distance

Standard: maximum 36 m (53.33 ft)

Communication

4 ... 20 mA HART
Modbus
V1
WM550
BPM
Mark-Space
Contact relay x4

Certificates / Approvals

TIIS

Safety approvals

SIL2

Application limits

Stilling well or guide wires for turbulent application
Recommend PTFE displacer for high viscosity application
Interface measurement requires min. difference of 0.100 g/ml between layers