Endress+Hauser Proservo NMS 5 series, Proservo NMS 7 series Technical Information

TI 006N/08/en/04.09
Software Ver. 4.27C

Technical Information

Proservo NMS 5/7 series

Intelligent tank gauge with high accuracy performance
Liquid level, I/F, Density & Density Profile

Application

The Proservo NMS 5/7 series of intelligent tank gauges is
designed for high accuracy liquid level measurement in
storage and process applications.

They fulfill the exact demands of tank inventory
management, loss control, total cost saving and safe
operation.
Typical areas of application include:

• Oil (fuels)

• LPG/LNG

• Chemicals

• Water / chemical interface measurement

• Foods, Liquid Food

Tank mounted intelligence makes the Proservo NMS 5/7
series ideal for single or multi-task installation, converting a
wide range of measurement functions including:

• Liquid level

• Interface level

• Spot density

• Density profile

• Tank bottom

• Water dip

Features and benefits

• Measures liquid to an accuracy of +/- 0.7 mm

• Measures two clear interface levels and specific gravity of
up to three liquid phases

• Profiling of Iiquid density throughout the tank (Tank

profile) and upper layer (I/F profile)

• Latest microtechnology keeps the design simple,

lightweight and compact

• Wetted parts are completely separated from the

electronic circuit

• Tank top mounting with 3” flange weighing only 12 kg

(aluminum version)

• Wide range of output signals including V1, RS 485,

WM550, M/S, Enraf BPM and HART® protocol

• Material and pressure rating of the wetted parts can be

selected according to the application.

• Suitable for atmospheric and high pressure applications

up to 25 bar

• Maintenance prediction of the instrument

• Direct connection of spot or average temperature probes

• Easy to program using the E+H matrix system

• Robust IP67 housing

• Proactive safety diagnostics output to display and System

Operators (patent pending)

ProdName

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Table of Contents

Function and system design . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Measuring System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Major Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Operating Principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Typical Tank installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Measurement terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Input for local devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Output 8

Output parameters based on communication protocol . . . . . . . . .8

RS485 Modbus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Bidirectional serial pulse (V1 protocol) . . . . . . . . . . . . . . . . . . . . .9

HART Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Whessoematic 550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Mark / Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Enraf Bi Phase Mark (BPM) . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Analogue output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Safe electrical isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Electrical for Primary output V1Serial Pulse

Modbus RS 485 HART Enraf BPM . . . . . . . . . . . . . . . . . . . . . .13

Electrical for Primary output WM 550 . . . . . . . . . . . . . . . . . . . .14

Electric for Primary output M/S . . . . . . . . . . . . . . . . . . . . . . . .15

Bus Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Rack Bus & Modbus (RS485 Output) . . . . . . . . . . . . . . . . . . . . .16

Sakura V1 Serial Pulse Ouput . . . . . . . . . . . . . . . . . . . . . . . . . .16

Enraf Bi Phase Mark Output . . . . . . . . . . . . . . . . . . . . . . . . . . .17

HART Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Whessoematic 550 (WM 550) Output . . . . . . . . . . . . . . . . . . .17

Varec Mark Space (M/S) Output . . . . . . . . . . . . . . . . . . . . . . . .18

Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . .19

Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Ambient condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Liquid temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Mechanical construction . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Design, dimensions Housing materials of Construction . . . . . . . 20

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Flange type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Operating presse. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Measuring range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Measuring wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Displacer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Cable entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Human interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Operating concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Display(LCD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Memo function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Advanced Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Maintenance Prediction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Automatic Displacer Weight Compensation . . . . . . . . . . . . . . . 23

Automatic Compensation of Wire Length . . . . . . . . . . . . . . . . . 23

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Certificates and Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Ex approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Custoday transfer approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Overspill protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

External standards and guidelines . . . . . . . . . . . . . . . . . . . . . . 24

Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Proservo NMS5.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Proservo NMS7..(Sanitary version) . . . . . . . . . . . . . . . . . . . . . . 28

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Calibration Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Power+Control Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Ball Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Reducing Flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Supplementary Documentation . . . . . . . . . . . . . . . . . . . . . .36

Technical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Operating Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Compact Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Stainless Steel conversion table . . . . . . . . . . . . . . . . . . . . . . . . 37

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Function and system design

Measuring System The Proservo NMS 5/7 is an intelligent tank gauge for high accuracy liquid level measurement employing the

latest microprocessor technology. As well as level measurement, Proservo NMS 5/7 can determine the inter­faces between three liquids, specific gravity of these liquids and tank bottom. To enable accurate volume cal­culation or simply for indication, Proservo NMS 5/7 will accept an input from either an average temperature
probe NMT 53x series (via twisted pair cables, HART protocol) or via spot temperature element (via 3 wire Pt.
100 RTD signal). Once installed, all calibration and operating functions can be made via the user friendly
Matrix program and touch sensitive keypad. Tank side monitoring and operation can be performed by the
Promonitor NRF 560.

Prothermo

Proservo

Power (AC / DC)

Outputs

HART

Promonitor

Level
Interface
Density
Water dip
Bottom

Power
(AC / DC)

HART

HART

to a HOST system
in a control room

Temp.

Power (AC / DC)

Power (AC / DC)

Proservo

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System Configuration • From single tank level measurement to the largest oil refinery application, Proservo is an integral part of tank

farm management solutions. A wide variety of data output protocols is available for seamless integration into
many commonly used systems.

• The primary example is Endress+Hauser’s revolutionary Tankvision, a scalable concept offering local tank
management for up to 225 tanks via Modbus, V1 or Whessomatic 550 protocols. Collected data is available
to DCS and other plant management systems via a Host Link.

• Other examples include Endress+Hauser’s legacy systems such as MDP V1 Interface, FuelsManager, Tank
Computers NRM571 and NRS57.

• Output protocols

•Modbus, RS485 or current loop

•V1 serial pulse

•Whessomatic 550

•HART

•Mark/Space

•

Enraf BPM

Proservo NMS 5/7 system configuration Serial pulse output

Major Application The number of measuring functions and output options as well as the lightweight compact design enables

Proservo NMS 5/7 to be installed in a wide range of applications at minimal cost.

Petroleum Industry

From the production of oil to storage at an oil depot, there is a need to measure and manage a wide variety of
products. A remote tank gauging and inventory management system combined with Proservo NMS 5 and a
receiving computer is an ideal way to measure and control the contents of the tanks.

Chemical Industry

For this industry, a wide choice of materials is available for the construction of the wetted parts, to ensure
chemical compatibility and long life.

Food Industry

In the brewing and beverage industries, where large volume of water or water-based products are being
handled, it is essential to obtain a precise level measurement to establish low cost production. Proservo NMS
7 can be supplied with a built in CIP nozzle if required.

Power Plant

Fuel oil levels are major applications where precise measurement is required to ensure safe operation.

Operating Principle The Proservo NMS 5/7 tank gauging system is based on the principle of displacement measurement.

A small displacer is accurately positioned in the liquid medium using a servo motor. The displacer is suspended
on a measuring wire which is wound onto a finely grooved drum housing within the instrument.

HART

HART

HART

Modbus

SCADA

DCS/PLC

ModbusModbus

SCADA

DCS/PLC

Device Config

Host Link

LAN

TCP/IP

Data Concentrator

Data Scanner

(Field Protcol)
V1, Modbus

Data Scanner

Proservo

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The drum is driven via coupling magnets which are completely separated by the drum housing. Outer magnets
are connected to the wire drum whilst the inner magnets are connected to the drive motor. As the magnets
turn, its magnetic attraction causes the outer magnets to turn as well, as a result turning the entire drum
assembly. The weight of the displacer on the wire creates a torque on the outer magnets generating the change
of magnetic flux. These changes generated between the drum assembly are detected by a unique
electromagnetic transducer on the inner magnet. The drive motor is actuated to balance the voltage generated
by the variations of magnetic flux to equal the reference voltage defined by the operating command.

When the displacer is lowered and touches the liquid, the weight of the displacer is reduced because of the
buoyant force of the liquid. As a result, the torque in the magnetic coupling is changed and this change is
measured by 5 sets of Hall sensors, (patented) chips which are temperature compensated. The signal, an
indication of the position of the displacer, is sent to the motor control circuit. As the liquid level rises and falls,
the position of the displacer is adjusted by the drive motor. The rotation of the wire drum is precisely evaluated
to determine the level value which is accurate to an outstanding +/- 0.7 mm.

Direct Torque Detection

Wire drum

Outside magnet

Inside magnet

Weight
signal

Weight data

Displacer
position
data

Encoder

Motor drive signal

Motor

Displacer

Measurement
wire

Hall element

Proservo

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Typical Tank installation

E

-

+

Ball Valve

Reducer

Meas. Wire

Displacer

Still well

Proservo NMS5/7

Prothermo NMT

Measuring wire

Displacer

Still well

B

E

­+

Prothermo NMT

Proservo NMS5/7

E

­+

Measuring wire

Displacer

Still well

Proservo NMS5

Prothermo NMT

E

­+

Measuring wire

Displacer

Proservo NMS5/7

Fixed roof tank with stilling well

High pressure tank with stilling well and ball valve

Floating roof tank and/or covered floating roof tank

Note: When the proservo is installed on Floating
roof tank, be sure to use Stilling Well

Proservo

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Measurement terminology

NMS 5/7 Proservo with standard level, I/F x 2, Tank bottom and spot density x 3 measurement

Left: Density Profile measurement "I/F (Interface) Profile" measurement range
Right: Density Profile measurement "Tank Profile" measurement range

Level

Upper I/F

Middle I/F

Upper
Density

Middle
Density

Lower
Density

Tank
Bottom

Level

Upper I/F

Tank
floor

Water

Emulsion

Oil

Density measured point
(2 ~ 16 points selecta ble)
between level to upper I/F

Density measured point
(2 ~ 16 po ints selectab le)
Throughout liquid

Tank Profile

True average
density throughout
the tank

I/F Profile

True average
density within
Upper layer

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Input

Input for local devices

Output

Output parameters based on
communication protocol

Remarks

1. Upper I/F output value can be either selected from the Proservo’s own displacer measurement or Water
Bottom measured value via the Prothermo NMT 539.

2. A single point density measurement within the upper layer liquid in the tank. The measurement position
is configured to 150mm below the liquid surface at default.

3. A single point density measurement within the middle layer liquid in the tank. The measurement position
is configured to 150mm below the upper interface level at default.

4. A single point density measurement within the lower layer liquid in the tank. The measurement position
is configured to 150mm below the middle interface at default

5. The value of this “Average Density” is based on the calculation after performing the Density Profile oper­ation at the Proservo.

6. All of the selected number of density measured value from 1 ~ 16 points can be transmitted.

Signal Multi drop local HART® protocol max. 4 devices

Power supply DC 24V

Additional units NMT 53x average temperature sensor

NRF 560 field data processor
Other - compatible HART® devices
Spot temperature Pt 100 Ohm ISO standard three wire connection

V1(new) V1 (old) MODBUS HART WM550 ENRAF M/S

Level Yes Yes Yes Yes Yes Yes Yes

Temperature (Product) Yes Yes Yes Yes Yes Yes Yes

Vapor Temperature Yes - Yes Yes Yes - -

Upper I/F (Water Level) *1 Yes - Yes Yes Yes Yes -

Middle I/F Yes - Yes Yes - - -

Upper D e nsity *2 Yes - Yes Yes Yes - -

Middle Densuty*3 Yes - Yes Yes - -

Lower Density*4 Yes - Yes Yes - -

Average Dens ity *5 Yes - Yes - Yes - -

1-16 points Individual Density *6 Yes - Yes - - - -

Multi-Element Temperature Yes - Yes Yes Yes -- -

HART device input (Device 1) Yes - Yes Yes Yes - -

HART device input (Device 2) Yes - Yes Yes Yes - -

Alarm / Discrete V alue Yes Yes Yes Yes Yes Yes -

Protocol Documentation - - KA0002N - KA001N - -

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RS485 Modbus

Bidirectional serial pulse
(V1 protocol)

HART Protocol

Module name Commdule RS 485 communication module (~2008),

COM - 5 (2009~)

No. of unit Maximum 10 instruments per loop

Baud rate 600/1,200/ 2,400/ 4,800/ 9,600/ 19,200 bit/s, selectable

Parity Odd, Even, None, selectable

Cable Two wire twisted cable with screening (DGND is connected to the

ground cable)

Topology Serial bus, electrically isolated, tree structure

Transmission distance Maximum 1,200 m including limbs or branches (negligible with

branches under 3 m)

Instrument address Accessed via touch control

Isolation Bus inputs are electrically isolated from the other electronics

Module name COM - 1

No. of units Maximum 10 instruments per loop

Baud rate 3,300 BPS

Cable Two wire (twisted pair) unscreened cable

Topology Serial bus, tree structure

Transmission distance Maximum 6,000 m

Instrument address Accessed via touch control

Isolation Serial communication circuit isolated from other circuits

Module name Commdule HART (2009), COM - 6 (2009~)

No. of units Maximum 15 instruments per loop

Baud rate 1,200 BPS

Cable Two wire, twisted pair screened cable Minimum core φ 0.15

(24AWG)

Transmission distance Maximum 1,200 m

Instrument address Accessed via touch control

Isolation Bus input are electrically isolated from the other electronics

Proservo

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Whessoematic 550

Mark / Space

Enraf Bi Phase Mark (BPM)

Module name WM550 communication module

No. of units 15 instruments per loop (connected to RTU)

Baud rate 1,200 / 2,400 bit/s

Cable Two wire, twisted cable with screening

Topology 20 mA current loop

Transmission distance Depending on specifications (ask your E+H engineer)

Instrument address Setting by DIP switches on communication board

Isolation Current loop circuit isolated from other circuits

Module name Mark/Space communication module

No. of units Depending on specification (ask to E+H engineer)

Baud rate 1,200 / 2,400 / 4,800 / 9,600 / 19,200 bit/s

Cable Four wire

Topology Serial bus, tree structure

Transmission distance Depending on specifications (ask your E+H engineer)

Instrument address Setting by DIP switches on communication board

Isolation Serial pulse isolated from other circuits

Module name COM - 3

No. of units Maximum 10 instruments per loop

Baud rate 1,200, 2,400 bit/s, selectable

Cable Two wire, twisted cable with screening

Topology Serial bus, electrically isolated, tree structure

Transmission distance Maximum 10 km

Instrument address Accessed via touch control

Isolation Serial communication circuit isolated from other circuits

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Analogue output

Relay

Module name I/O - 5

Output 4...20 mA, two channeles freely assignable value

On alarm Switchable +110%, -10% or hold last measured value

Electrical isolation Analogue output isolated from other circuits

Adjustable damping 0 to 99 s

Maximum load 500 ohm

Load effect Negligible

Module name I/O - 3

Version 4 relays with potential free change-over contacts, freely assignable to

measured value

Hysteresis Switch points and switching hysteresis freely adjustable, residual

current fail-safe mode: minimum or maximum, selectable

Switching capacity AD max. 2 A, max. 250 V, max. 62.5 VA

DC max. 2 A, max. 220 V, max. 60 W
For FM / CSA: 5A250VAC, 8A250VAC

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Power supply

Supply voltage High voltage type: 85 ... 264 VAC 50/60 Hz

Low voltage type: 20 ... 60 VDC / 20 ... 55 VAC 50/60Hz

Caution!

Allowable voltage supply is specifically stated depending on each Ex approvals. Refer to the designated
certification

Power consumption Maximum 50 VA, 50W (cos j=0.5)

Safe electrical isolation Between power supply and signal output, CPU, RS 485, relay and other electronics

Proservo

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Electrical connection

Electrical for Primary output
V1Serial Pulse
Modbus RS 485
HART
Enraf BPM

4

Proservo

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Electrical for Primary output
WM 550

Proservo

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Electric for Primary output
M/S

Proservo

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Bus Installation

Modbus (RS485 Output) The initial bus voltage is provided by the PC plug-in board or the interface adapter. If an adapter is being used,

then the bus plug must be configured accordingly.

Termination Resistors

It is not necessary to set any termination resistors.

Bus Address

Each transmitter has an individual bus address. Depending on the type of transmitter, this is either defined by
the address switches or by the software of the transmitter itself.

Linking to a Personal Computer

A personal computer is connected using either a RS 485 PC board or an RS 232C / RS 485 external converter
(both with electrical isolation).

Bus Cabling

The bus cabling is galvanically isolated from the transmitter and the PC plug-in board or the interface adapter.
The screening must be grounded and have electrical continuity throughout.

EMC tests indicate the best result when the grounding at both ends and each transmitter is established. If there
is a potential difference in between the grounds,
measurement must be taken to equalize whilst observing a relevant hazardous area.

Bus Topology

When planning the system, attention should be paid to the possible segmentation of the bus according to indi-

vidual plant sections. Suitable topologies are:

• Serial, max. 1200 m

• Tree of total length 1200 m

The bus screening is to be connected at various points.

Sakura V1 Serial Pulse Ouput The bus is connected to a NRM, NRS, RTU8, MDP-III interface, Tankvision or to a receiver. The interface or

receiver must be configured accordingly.

Termination Resistors

It is not necessary to set any termination resistors for serial pulse output.

Bus Address

Each transmitter on a signal loop has an individual bus address. This is defined within the transmitter software.

Bus Cabling

The bus cabling is electrically isolated from the transmitter and from the interface receiver.

Standard communication cable (non-shielded twisted pair cable) can be used for the data transmission.

Bus Topology

The suitable topologies for the serial pulse output are:
Serial max. 6000 m (Sakura V1)
Tree of total length 6000 m. (Sakura V1)

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Data transmission & Operation

Sakura serial pulse (V1) output is capable to transmit density profile data (both Tank profile & I/F profile
independently), operation command, & parameter setting between NMS 5/7 Proservo and NRM 571 Tank
Computer.

Enraf Bi Phase Mark Output The bus is connected to an Enraf I/F CIU or RTU8 to transmit measured value to upper host system as Entis

(Enraf TG program) or Fuels Manager. These interface must be configured accordingly.

Termination Resistors

It is not necessary to set any termination resistors for serial pulse output.

Bus Address

Each transmitter on a signal loop has an individual bus address. This is defined within the transmitter software.

Bus Cabling

The bus cabling is electrically isolated from the transmitter and from the interface receiver. Standard
communication cable can be used for the data transmission.

Bus Topology

The suitable topologies for Enraf BPM serial pulse output are:
Serial max. resistance: 400 ohm at 3 bus loops or less (10 transmitters per 1bus loop)

Serial max. capacitance: 1 micro F or less

Data transmission & Operation

NMS 5/7 Proservo is capable to transmit following sensory data as well as gauge operation command via Enraf
BPM serial pulse output.

• Data: level, temperature, operation status

• Gauge command: STOP, UP, LEVEL, I/F

HART Output Registered host system via non-I.S. HART port.

Bus Address

Each transmitter on a signal loop has an individual bus address. This is defined within the transmitter software
and / or auxiliary configuration environment such as host system & hand held terminal (HHT).

Bus Cabling

The bus cabling is galvanically isolated from the transmitter and the PC plug-in board or the interface adapter.
The screening must be grounded and have electrical continuity throughout. EMC tests indicate the best result
when the grounding at both ends and each transmitter is established. If there is a potential difference in
between the grounds,
measurement must be taken to equalize whilst observing a relevant hazardous area.

Bus Topology

The suitable topologies are:
Serial max. 1000 m
Tree of total length 1000 m.

Whessoematic 550 (WM 550)
Output

The bus is normally connected to Whessoe 1098, RTU 8 or other upper host system via dual channel (can be
single) WM550 current loop.

Termination Resistors

Admissible termination resistance should be calculated as follow.
R = [Va - {n x (Vb + Vc)}] / 0.02
R = terminal resistance in the system
n = number of transmitter in the system
Va = max. available voltage at receiver

Proservo

18 Endress+ Hauser

Vb = voltage drop across transmitter
Vc = voltage drop across receiver

Bus Address

Each transmitter on a signal loop has an individual bus address. This is defined within the transmitter by
mechanical dip switch on com board.

Bus Cabling

The bus cabling is galvanically isolated from the transmitter and the PC plug-in board or the interface adapter.
BS5308 or equivalent 1.5sq.mm screened twisted pairs are recommended for bus cabling.

Bus Topology

The suitable topologies for the WM550 current output are depending on number of transmitter & cable quality
on the loop. Recommended number of transmitter on single loop shall be less than 15 units to achieve the
maximum performance.

Varec Mark Space
(M/S) Output

The bus is normally connected to Interface Unit (IFU), Data acquisition Processor (DAP), RTU 8 or other upper
host system via 4 wire M/S serial bus link.

Termination Resistors

Admissible termination resistance should be calculated as follow.
R = (48 - 33) / {60mA + N (2.0mA)}
R = terminal resistance in the system
N = number of transmitter in the system
48 = supply voltage to receiver
33 = minimum M/S board operation voltage
60mA = required current for system operation

2.0mA = required current per transmitter

Bus Address

Each transmitter on a signal loop has an individual bus address. This is defined within the transmitter by
mechanical dip switch on com board.

Bus Cabling

The bus cabling is galvanically isolated from the transmitter and the PC plug-in board or the interface adapter.
The total length of field wiring shall be determined by calculation of maximum resistance within the system &
required operation current. Once the total length is determined, distance has to be reduced by half because
of current flow in both B+ & B- leads.

Bus Topology

The suitable topologies for the M/S serial pulse output are depending on number of transmitter & cable quality
on the loop.

Proservo

Endress+Hauser 19

Performance characteristics

Accuracy

Compensation Wire

Compensation of wire expansion due to temperature and wire weight

Displacer

Automatic compensation of displacer weight

Tank wall

Compensation of depression and distortion

Ambient condition

Ambient temperature -20... +60oC

-40... +60

o

C ( ATEX approval)

Liquid temperature -200... +200oC

Protection IP 67 with closed housing and cable glands of equal protection type.... (ATEX/TIIS)

NEMA 4X...(FM/CSA)

Liquid level +/-0.7 mm for L=10 m, D=1 g/cm

3

with 50 mm displacer

Interface level +/-2.7 mm for L=10m,

ΔD=0.2 g/cm

3

with 50 mm displacer

ΔD=0.1 g/cm

3

difference between densities of 2 liquids

Spot & profile density +/-5kg/m3 or better, (at reference condition)

Tank bottom +/-2.1 mm (independent from liquid condition)

Proservo

20 Endress+ Hauser

Mechanical construction

Design, dimensions

Housing materials of
Construction

Electrical compartment : aluminium casting
Drum chamber for NMS 5-1/5-4 : aluminium casting
Drum chamber for NMS 5-2/5-5/5-6 and NMS7 : stainless steel 316 casting

Weight NMS 5-1/5-4 : 12 kg

NMS 5-2/5-5/5-6 and NMS7 : 27 kg

Flange type ANSI, JIS, DIN 3" and 6" (standard) or equivalent. Refer to order code for full selection.

OMeasuring range Level

0 - 36 m (100 m available on request)

Density

0.5000 to 2.0000 g/cm

3

Measuring wire

40

40

NMS5-1, 5-4

NMS5-2,5-5,5-6,NMS7

Range 10 m, 16 m, 28 m, 36 m

Material (standard) Stainless steel 316, 0.15 mm (standard)

Hastelloy C. φ0.2 mm (max. 16 m range)
PFA coated St/St 316L, 0.4 mm (max. 16m range

)

Proservo

Endress+Hauser 21

Displacer

Cable entry

Caution!

All of cable entrys need the cable gland for Explosion-proof (Ex d) or Explosion-proof conduit , even if you
selected a product of IS and Explosion proof (Ex d[ia]).

Diameter 50 mm (Standard), 30...110mm (optional)

Material (standard) Stainless steel 316

Material (optional) Hastelloy C, PTFE

Horizontal movement 10, 16, 28 m (AISI316) :1.23 mm / m with standard 0.15mm wire

36 m (AISI316): 1.1 mm / m with standard 0.15mm wire
10, 16 m (AISI316): 2.17mm /m with PFA covered wire
10, 16 m (Alloy C): 1.73mm/m

Traveling speed 0...2500 mm / min...maxmum

Proservo

22 Endress+ Hauser

Human interface

Operating concept Proservo NMS 5/7 is furnished with a four line illuminated liquid crystal display. With the E+H matrix driven

operation, configuration is simple. Using only three key, all parameters can be selected and modified. For
example:

• Operation - level; interface; spot & profile density, water dip, & tank bottom

• Current output

• Relay output

• Custody transfer

• Maintenance prediction

• Calibration, etc.

The display can be configured to be displayed in English, Japanese or Chinese. Measurement unit & decimal
point can be also configured within NMS matrix.

Operational Security

The programming information can be protected by software access codes that disable all programmable
parameters or by a hardware switch to prevent changes from remote transmission or the touch control keypad.
A self-diagnosis function checks for any operational failures.

Display(LCD)

Four line 16-digit illuminated display English, Japanese, Chinese selectable

Programming Three optical keys (touch control) for selection of matrix functions.

Memo function Memo of maintenance information.

3 optical operating element s
"Touch control"

Infrared transmitting
diaode

Infrared receiving
diaode

IIluminated LCD

Proservo

Endress+Hauser 23

Advanced Maintenance

Maintenance Prediction Proservo NMS 5/7 will provide advance warning of required maintenance such as replacement of worn wire

etc. The operating life-span of electrical and mechanical parts of the Proservo NMS 5/7 are factory set within
the instruments memory. This information is checked involving with the built-in clock and compared and
registered in the instrument.

Automatic Displacer Weight
Compensation

The displacer can be checked for buildup or corrosion by comparing the measured weight of the displacer in
the air with the pre-programmed displacer weight. Proservo NMS 5/7 can be set to the periodical check for
the displacer weight, and any deviations in the weight will then be corrected and an alarm or memo initiated.

Automatic Compensation of
Wire Length

When the displacer is moved from the level position to the reference point (mechanical stop within the
instrument), the calibration can be checked. If there is any deviation outside the tolerance, then the instrument
will emit an alarm. If the deviation is within the tolerance (set by the customer), then an automatic recalibration
will be done. This function can be working manually or automatically in preset time intervals.

Maintenance The maintenance record can be accessed via the matrix and will provide information of alarm data (e.g. date,

time, alarm type). A memo function allows the user or an E+H Service Engineer to enter maintenance data
manually.

Proactive Safety Proactive safety diagnostic function warns of mechanical failure, and outputs maximum level value, e.g. 99999

to local display and fieldbus.

Proservo

24 Endress+ Hauser

Certificates and Approval

Ex approvals TIIS

Ex d IIB T4

ATEX

EEx d IIB T6
EEx d IIB T6, Zone 0 (only for SS drum chamber)
EEx d IIC T6
EEx d IIC T6, Zone 0 (only for SS drum chamber)
EEx d IIB T6, -40 dec.
EEx d IIB T6, Zone 0 -40 degrees C.(only for SS drum chamber)
EEx d [ia] IIB T6
EEx d [ia] IIB T6, Zone 0 (only for SS drum chamber)

FM

XP - AIS Class I, Div 1, Groups CD
XP Class I, Div 1, Groups CD

CSA

Class I, Div 1, Groups CD

Custody transfer approvals PTB: Germany (pending for Chinese language version)

NMi: Netherlands

Overspill protection T

ÜV: Germany

External standards and
guidelines

EMC-Directive 89/336/EC
PE-Directive 97/23/EC
EN 10204-3.1B

OIML-R85/1998-NL-00.03

ISO 9001:2001
JIS Z9901:1998

Proservo

Endress+Hauser 25

Ordering information

Proservo NMS5

010 Drum housing

1 0.2bar gauge; Alu.

2 0.2bar gauge; stainless steel

4 6bar gauge; Alu.

5 6bar gauge; stainless steel

6 25bar gauge; stainless steel

9 Special vesion

020 Protection class

0 Weather proof ; IP 67 / NEMA 4X

1 TIIS Ex d IIB T4

5 XP Class 1, Div. 1, Gr. CD, FM

6 Class 1, Div. 1, Gr. CD, CSA

F ATEX II 2G EEx d IIB T6

G ATEX II 1/2G EEx d IIB T6

H ATEX II 2G EEx d [ia] IIB T6

J ATEX II 1/2G EEx d [ia] IIB T6

N XP-AIS Class 1, Div.1, Gr.CD, FM: EEx d[ia]

O Class 1, Div.1, Gr.CD CSA EExd(ia)

Q ATEX II 1/2G EEx d IIC T6

R ATEX II 2G EEx d IIB T6, -40 dec

S ATEX II 1/2G EEx d IIB T6, -40 dec

T *TIIS Ex d(ia) IIB T4

Y Special vesion

030 Measuring function

A Level

B PTB Weights & Measures, Level

C NMi Weights & Measures, Level

D Multi measurement, Level, I/F level, Bottom, Density

E PTB Weights & Measures, Level, I/F level, Bottom, Density

F MNi Weights & Measures, Level, I/F level, Bottom, Density

G Density profile multi measurement, Level, I/F level, Bottom, Density

H PTB Weights & Measures, Density profile, Level, I/F level, Bottom, Density

J NMi Weights & Measures, Density profile, Level, I/F level, Bottom, Density

Y Special vesion

040 Primary (Digital) output

NEnraf BPM

P RS 485 Modbus

Q *Modbus, current loop, dual output

F Not selected

A Serial pulse (Sakura V1/MDP)

J Serial pulse (Sakura MDP)

B Serial pulse (Sakura BBB)

C Serial pulse (Sakura MIC + RS-232C)

D Serial pulse (Sakura MIC)

GHART (active)

HHART (passive)

L Whessoe matic 550+OVP=overvoltage protection

M Mark / Space

Y Special vesion

050 Secondary output

0 Not selected

1 Alarm contact, 4x SPST

2 4 - 20 mA, 2 channels selectable

3 4 x SPST + 4 - 20 mA, 2 channels

4 2 x SPST, Overspill protection

5 4 x SPST, 4 - 20 mA, 1 channel

9 Special vesion

NMS5- Product designation (part 1)

Proservo

26 Endress+ Hauser

060 Signal input from field units

0 HART protocol (e.g. NMT, NRF)

1 HART + Pt100 Spot temp.

2 HART + Operation contact, 3digits

3 HART + Pt100 Spot temp.+ Operation contact

4 HART + 1 x status

5 HART + Pt100 Spot temp. + 1 x status

6 HART + Pt100 + Operation contact +1 x status

9 Special vesion

070 Element spacing

A Range: 0 -10m, AISI316 wire

B Range: 0 -16m, AISI316 wire

C Range: 0 -28m, AISI316 wire

L Range: 0 -36m, AISI316 wire

G Range: 0 -10m, AISI316 wire PFA covered wire

H Range: 0 -16m, AISI316 wire PFA covered wire

J Range: 0 -10m, Alloy C

K Range: 0 -16m, Alloy C

Y Special version

080 Cable entry

E Four thread G(PF)1/2"

F Four thread G(PF)3/4"

G Four thread NPT1/2"

H Four thread NPT3/4"

J Four thread PG 16

K Four thread PG 21

L Four thread M20

M Four thread M25

Y Special version

090 Process connection

A Flange JIS10 K 80A RF

C Flange JIS10 K 80A FF

E Flange JIS 20 K 80A RF (only for 25bar drum chamber)

G Flange ANSI 3" 150 Ibs RF

J Flange ANSI 3" 300 Ibs RF (only for 25bar drum chamber)

U Flange JIS10 K 150A RF

T Flange ANSI 6" 150 Ibs RF

L Flange DIN DN80 PN10 RF

N Flange DIN DN80 PN25 RF (only for 25bar drum chamber)

Q Flange JPI 3" 150 Ibs RF

S Flange JPI 3" 300 Ibs RF (only for 25bar drum chamber)

Y Special version

100 Power supply

3 85 - 264 VAC, 50/60 Hz

4 20 - 62 VDC, 20W/ 20 - 55 VAC, 50/60 Hz, 20VA

9 Special version

110 Displacer shape, diameter, material

B Conical 50 mm, PTFE

D Cylindrical 50 mm, AISI316 (standard)

K Cylindrical 40 mm, AISI316

N Cylindrical 30 mm, AISI316

R70 mm, W&M NMi

S 110 mm, W&M PTB

T Cylindrical 50 mm, AIloy C

U Cylindrical 50 mm, PTFE

V Cylindrical 40 mm, PTFE

W Cylindrical 30 mm, PTFE

Y Special version

NMS5- product designation (part2)

Proservo

Endress+Hauser 27

120 O-ring; chamber finishing

0 NBR; Standard chamber

1 Silicon rubber, Standard chamber

2 Fluor rubber, Standard chamber

3 PTFE (Wire drum FKM), Basic version

4 PTFE (Wire drum FKM), PFA coated

5 Silicon rubber, PFA coated chamber

6 Neoprene (ammonia application), standards chamber

9 Special version

130 Options

A not selected

C With cleaning nozzle

D With gas purging nozzle

E

With guide wires (SUS316 standard)

G With relief valve

H With relief valve + pressure gauge

JSunshade

Y Special version

NMS5- Complete product designation

Proservo

28 Endress+ Hauser

Proservo NMS7..
(Sanitary version)

010 Protection class

0 IP 67 / NEMA 4X

1 TIIS Ex d IIB T4

020 Measuring function

ALevel

B Level, I/F level, Density

Y Special version

030 Primary (Digital) output

NEnraf BPM

P RS485 Modbus

FNot selected

A Serial pulse (Sakura V1/MDP)

J Serial pulse (Sakura MDP)

B Serial pulse (Sakura BBB)

C Serial pulse (Sakura MIC + RS-232C)

D Serial pulse (Sakura MIC)

G HART (active)

H HART (passive)

L Whessoematic 550, with lightning protection

M Mark / Space

040 Secondary output

0 Not selected

1 Alarm contact, 4x SPST

2 4 - 20 mA , 2 channels selectable

3 4 x SPST + 4 - 20 mA, 2 channels

4 2 x SPST; Overspill protection

5 4 x SPST; 4 - 20 mA, 1 channel

050 Signal input from field units

0 HART protocol (e.g. NMT, NRF)

1 HART + Pt100 Spot temp.

2 HART + Operation contact, 3digits

3 HART + Pt100 Spot temp.+ Operation contact

4 HART + 1 x status

5 HART + Pt100 Spot temp. + 1 x status

6 HART + Pt100 + Operation contact +1 x status

060 Measuring range, wire material

A Range: 0 -10m, wire d=0.2 mm,AISI316

B Range: 0 -16m, wire d=0.2 mm,AISI316

C Range: 0 -10m, wire d=0.4 AISI316 PFA covered

D Range: 0 -16m, wire d=0.4 AISI316 PFA covered

Y Special version

070 Cable entry

A Four thread G(PF)1/2"

B Four thread G(PF)3/4"

C Four thread NPT1/2"

D Four thread NPT3/4"

E Four thread PG 16

F Four thread PG 21

G Four thread M20

H Four thread M25

Y Special version

080 Process Connection

A Flange JIS10 K 80A RF

B Flange JIS10 K 80A FF

C Flange ANSI 3" 150 Ibs RF

D Flange DIN DN80 PN10 RF

E Flange JPI 3" 150 Ibs RF

Y Special version

NMS7- Product designation (part 1)

Proservo

Endress+Hauser 29

090 Power supply

0 85 - 264 VAC, 50/60 Hz

1 20 - 62 VDC, 20W/ 20 - 55 VAC, 50/60 Hz, 20VA

100 Displacer shape, diameter, material

A Cylindrical 50 mm; AISI316 buff finished

B Cylindrical 40 mm; AISI316 polished finished

C Cylindrical 30 mm, AISI316 polished finished

D Cylindrical 50 mm, PTFE

E Cylindrical 40 mm, PTFE

F Cylindrical 30 mm, PTFE

Y Special version

110 O-ring; chamber finishing

0 NBR; Standard chamber milling finished

1 Silicon; Standard chamber buff finished

2 Fluor rubber, basic version

5 Silicon rubber, PTFE coated chamber

9 Special version

120 Nozzle

A With cleaning nozzle PT 3/8" threaded

B With cleaning nozzle NPT 3/8" threaded

C With cleaning nozzle PF 3/8" threaded

D With gas purging nozzle PT 3/8" threaded

E With gas purging nozzle NPT 3/8" threaded

F With gas purging nozzle PF 3/8" threaded

G With cleaning + gas purging nozzle PT 3/8" threaded

H With cleaning + gas purging nozzle NPT 3/8" threaded

J With cleaning + gas purging nozzle PF 3/8" threaded

Y Special version,

130 Additional Option

A Not selected

B Sealing function

C Degreased

D Sun shade

E Sealing function + Degreased

F Sealing function + Sun shade

G Sun shade + Degreased

H Sealing function, Sun shade + Degreased

Y Special version

NMS7- Complete product designation

Proservo

30 Endress+ Hauser

Accessories

Calibration Chamber

Calibration chamber is recommended for use with tank level gauges in order to allow maintenance (removing
displacers), while tank is in service.
Standard chamber is 6" flange, with bolts & packing for NMS connection.

Note!

The dimensions differ depending on material, flange size. Please contact Endress+Hauaser for details.

NHC4HP (high pressure version)

10 Process Connection

A Flange JIS 10K 150A RF

C Flange JIS 10K 150A FF

E Flange JIS 20K 150A RF

G Flange ANSI 6" 150lbs RF

J Flange ANSI 6" 300lbs RF

L Flange DIN DN 150 PN 10 RF

N Flange DIN DN 150 PN 25 RF

Q Flange JPI 6" 150lbs RF

S Flange JPI 6" 300lbs RF

9 Special version

20 Material

2 Carbon steel (STPG370/SS400)

3 Stainless steel / SUS304

9 Special version

30 Bolts, Packing

0not used

1 Stainless steel 304 + Valker #6502

9 Special versiond

40 Pressure Gauge, Relief Valve

1used

9 Special version

NHC4HP- Complete product designation

172

300

Ø150

CALIBRATION CHAMBER

Flange

Flange

8 hole

Proservo

Endress+Hauser 31

NHC4LP (low pressure version)

10 Process Connection

A Flange JIS 10K 150A RF

C Flange JIS 10K 150A FF

G Flange ANSI 6" 150lbs RF

L Flange DIN DN 150 PN 10 RF

Q Flange JPI 6" 150lbs RF

9 Special version

20 Material

1 Alu casting (AC4A)

3 Stainless steel / SUS304

9 Special version

30 Bolts, Packing

0not used

1 Stainless steel 304 + Valker #6502

9 Special version

NHC4LP- Complete product designation

Proservo

32 Endress+ Hauser

Power+Control Switch

Power & Control Switch is used for tank gauges field mounted, for tank gauges. It provides additinal switching
of operation contacts of the gauge in order to control the gauge’s operation such as lift up displacer.

NHS8

10 Approval

1 Weather proof IP67

2 Flame proof (JIS d3aG5)

9 Special version

20 Cable entry

02 x thread G3/4

12 x thread G1

22 x thread NPT3/4

32 x thread NPT1

9 Special version

NHS8- Complete product designation

Power + Control Swith

SPECIFICATIONS
RATED VOLTAGE

AC110 / 220V

RATED CURRENT

6A / 5A

ALLMINIUM ALLY CASTING

HOUSING

TERMINAL BOX

IRON CASTING

STRUCTURE

EXPLOSION PROOF
d3aG5

NO.OF CERTIFICATE T3875

CONNECTION DIAGRAM

Term.No

Power Supply

NMS

Term.No

NHS8

1
2

3
4
5
6
7

1
2

16
17
18

Handle
position

Wiring

LIFT

INST

STOP

OFF

7
6
4

3

5

2
1

OFF

STOP

INST

LIFT

Cable Entry

PF (G)1/2
PF (G) 3/4
PF (G)1

h (mm) B

17
20

24

140
140
145

Cable entry

193

113

65

Grounding

LIFT

STOP
OFF

2 - Ø7

120

B

INST

h

Power L

Power N

COM
CRT1
CRT2

Proservo

Endress+Hauser 33

Ball Valve

Ball valve is recommended for use with tank level gauges in order to allow maintenance such as removing dis­placers, while tank is in service.
Standard ball valve with ANSI flanges. Ball material is SS304, seat material is PTFE.

Note!

The dimensions differ depending on material, flange size. Please contact Endress+Hauser for details.

NHV4A (ANSI flanges)

Standard ball valve with ANSI flanges. Ball material is SS304, seat material is PTFE.

10 Process Connection ; Body

C31 Flange ANSI 3" 150lbs RF; mild steel

C33 Flange ANSI 3" 300lbs RF; mild steel

C61 Flange ANSI 6" 150lbs RF; mild steel

C63 Flange ANSI 6" 300lbs RF; mild steel

S31 Flange ANSI 3" 150lbs RF; SS304

S33 Flange ANSI 3" 300lbs RF; SS304

S61 Flange ANSI 6" 150lbs RF; SS304

S63 Flange ANSI 6" 300lbs RF; SS304

Y99 Special version

20 Ball Type

A full bore

B reduced bore

9 Special version

NHV4A- Complete product designation

Ball

Body cap

Body

190

153

400

Proservo

34 Endress+ Hauser

NHV4J (JIS flanges)

For body in mild steel and in SS304, ball material is SS304, ball material is SS304. For body in SS316, ball mate­rial is SS316. Seal material is PTFE.

10 Process Connection ; Body

C11 Flange JIS 10K 80A RF; steel

C12 Flange JIS 10K 150A RF; steel

C21 Flange JIS 20K 80A RF; steel

C22 Flange JIS 20K 150A RF; steel

S11 Flange JIS 10K 80A RF; SS316

S12 Flange JIS 10K 150A RF; SS316

S21 Flange JIS 20K 80A RF; SS316

S22 Flange JIS 20K 150A RF; SS316l

H11 Flange JIS 10K 80A RF; steel

H12 Flange JIS 10K 150A RF; steel

H21 Flange JIS 20K 80A RF; steel

H22 Flange JIS 20K 150A RF; steel

Y99 Special version

20 Ball Type

A full bore

B reduced bore

9 Special version

NHV4J- Complete product designation

Proservo

Endress+Hauser 35

Reducing Flange

Mounting with Guide Wire requires the reducing flange. Also, it is required to match customer’s nozzle with
Proservo flange.
Proservo connection is always 3"/DN80. The reducing flange is equipped with stud bolts for the Proservo uge
connection.

NHF4

10 Process Connection ; Body

A Flange JIS 10K 150A RF

C Flange JIS 10K 150A FF

E Flange JIS 20K 150A RF

G Flange ANSI 6" 150lbs RF

J Flange ANSI 6" 300lbs RF

L Flange DIN DN150 PN10 RF

N Flange DIN DN150 PN25 RF

Q Flange JPI 6" 150lbs RF

S Flange JPI 6" 300lbs RF

Y Special version

20 Flange Material

0 Mild steel (JIS SS41)

1 Stainless steel SS304

9 Special version

NHF4- Complete product designation

Low pressure (JPI)

High pressure (ANSI)

Stud Bolt

Flange

Stud Bolt

Flange

Proservo

36 Endress+ Hauser

Supplementary Documentation

Technical Information TI 039N

Technical Information Prothermo NMT 535

TI 042N

Technical Information Prothermo NMT 539

TI 008N

Technical Information Promonitor NRF 560

TI 014N

Technical Information Tank Computer NRM 571

Operating Manual BA1001N

Operating Manual Proservo NMS5/7 series

Compact Instructions KA 001N

Compact Instruction Whessoemtric 550

KA 002N

Compact Instruction RS485 Modbus

Safety Instructions XA 006N

Proservo NMS5/7 series - ATEX II 2/1 G, II 2 G (KEMA)

XA 007N
Proservo NMS5/7 series - ATEX II 2/1 G, II 2 G (PTB)

XA 001N
Proservo NMS5/7 series - ATEX II 2/1 G, II 2 G (ZELM)

Proservo

Endress+Hauser 37

Appendix

Stainless Steel conversion
table

The stainless steel material used in products of Endress + Hauser Yamanashi normally have expressions
according to Japanese industrial standards, such as JIS. Each country or region may have different expressions
place to place.
The following conversion table contains the expression of equivalent stainless steel material based on the
chemical composition and mechanical properties.

Note!

Since each standard carries its own mechanical and scientific definition, some expressions may not have the
straight conversion from the Japanese standard. Consult with the local authority or legislature to ensure the
proper comparision of the applied standard prior to determining specification.

Country Standard Expressions

Japan JIS SUS304 SUS304L SUS316 SUS316L

Germany DIN 17006 X5 CrNi 18 10

X5 CrNi 18 12

X2 CrNi 18 11 X5 CrNiMo 17 12 2 /

1713 3

X2 CrNiMo 17 13 2

W.N. 17007 1.4301 1.4303 1.4306 1.4401 / 1.4436 1.4404

France AFNOR Z 6 CN 18-09 Z 2CN 18-10 Z 6 CND 17-11 / 17 12 Z2 CND 17-12

Italy UNI X5 CrNi 1810 X2 CrNi 1911 X5 CrNiMo 1712 /

1713

X2 CrNiMo 1712

U.K. BSI 304S15 / 304S16 304S11 316S31 / 316S33 316S11

U.S.A. AISI 304 304 L 316 316L

U.E. EURONORM X6 CrNi 1810 X3 CrNi 1810 X6 CrNiMo 17 12 2 /

17 13 3

X3 CrNiMo 17 12 2

Spain UNE X6 CrNi 19-10 X2 CrNi 19-10 X6 CrNiMo 17-12-03 X2 CrNiMo 17-12-

03

Russia GOST 08KH18N10

06KH18N11

03KH18N11 _ 03KH17N14M2

- ISO 11 10 20 19

- ASME S30400 S30403 S31600 S31603

Endress + Hauser Yamanashi Co., Ltd.
862-1 Mitsukunugi Sakaigawa-cho
Fuefuki-shi Yamanashi,
406-0846 Japan

Phone: ++81 55 266 4964
Fax: ++81 55 266 4969
http://www.endress.com

TI 006N/08/en/04.09
Software Ver. 4.27C

FM+SGML 6.0

Proservo