level instruments - o-verall

LEVEL INSTRUMENTS

TRANSMITTERS

SWITCHES

INDICATORS

LEVEL TRANSMITTERS CAPACITANCE TYPE

A. APPLICABLE MODELS

Electronic

B. TRANSMITTERS

Type

Analog ; ModBus

Supply

24 V dc

Output signal

4 - 20 mA (two wire system) ; EIA RS-485 4 - A

EIA RS-485

Integral indicator

LCD

Measuring range

100 - 3500 mm.

Max operating pressure

15 bar

Process connection

Flanged or threaded

Ingress protection

IP65

Wetted parts

SS 316 ; SS 304

Housing

Cast aluminum

Dielectric compensation

if required

DIFF. PRESSURE LEVEL TRANSMITTERS


Electronic

Wireless

Pneumatic

B. ELECTRONIC TRANSMITTERS

Type

SMART with HART protocoll SMART c

Supply

24 V dc

Output signal

4 - 20 mA (two wire system) 4 - A

Accuracy

+ / - 0,25 %

Integral indicator

LCD

Zero suppression and elevation

if required

External zero and span calibration

Adjustable damping

Diaphragm seal with capillary

if required

C. PNEUMATIC TRANSMITTERS

Type

Force balance

Supply

20 psig

Output signal

3 - 15 psig

Accuracy

+ / - 0,5 %

Zero suppression and elevation

if required

Output signal indicator

Diaphragm seal with capillary

if required

D. PROTECTION DEGREE

IP55 (according to IEC-529) IP IEC-529)

E. CONNECTIONS

Process 1/2" NPT

Electrical 1/2" NPT

Pneumatic 1/4" NPT

F. CONSTRUCTION CHARACTERISTICS

Wetted parts AISI 316

Case

Manufacturer std. or AISI 316

AISI 316

Capillary and armour When required AISI 316

AISI 316

NACE MR-0175 When required

LEVEL GAUGE GLASSES GENERAL REQUIREMENTS


Reflex

Transparent

Magnetic

Transparent type shall be used for interface indication; when color identification is required or when glass protection is necessary.

B. DIMENSIONS

Use of gauges with max. center to center of 1600 mm. Is suggested. Specify more complementary gauges for longer visibility.

C. CONNECTIONS

Flanged 1" or 2"

D. CONNECTIONS LOCATION

Top / bottom

Side / side

Side / bottom

E. GAUGE COCKS

2 cut-off valves 2

1 drain valve

Vent connection

Drain connection

F. ACCESSORIES

Anti-frosting protection (low temperature)

1/2" NPT-F

Protection shields

3/4" NPT-F

Internal or external heating or cooling

Lighting (transparent type) protection degree IP55 (IEC-529) IP55 (IEC-529)

Certified electrical protection mode

G.

Body

Glass

Glass gasket

Manufacturer std. or PTFE PTFE

Cocks (shut-off & drain)

Internal AISI 316

NACE MR-0175

Process connections size & rating

LEVEL TRANSMITTERS RADAR TYPE


Electronic Wireless

B. TRANSMITTERS

Type

HART protocol

Supply

24 V dc

Output signal

4 - 20 mA (two wire system) 4-

Frequency of measuring signal

24 GHz

Integral indicator

LCD

Measuring range

0,2 - 23 meters 0,2-

Minimum beam angle

11 °

Resolution

1 mm

Measuring frequency

60 sec.

Antenna diameter

38-75 mm 38-

Antenna material

Stainless Steel

Max operating pressure

35 bar

Process connection

Flanged or threaded

Ingress protection

IP67

LEVEL SWITCHES GENERAL REQUIREMENTS


Float

Displacer

B. MOUNTING

Internal

Side or top mounted

For internal type top mounted, in case of turbolence inside the vessel the float shall be guided with extension pipe 4" size.

External

Side / bottom

Side / side

C. PROTECTION DEGREE


D. DIFFERENTIAL

Fixed

E. ELECTRICAL SWITCH

Sealed type

1 or 2 SPDT contact 1 2 SPDT

Min. Rating

2A at 24 V dc

5A at 250 V ac

F.

PNEUMATIC SWITCH

Three ways valve

Supply pressure

0 - 20 psig

Output

0 - 20 psig

G. CONNECTIONS

Process

4" flanged for top installation 4"

1" flanged for external installation 1"

for external side / side installation drain connection 1" NPT-F

/

1" NPT-F

complete with plug shall be provided

Electrical

1/2" NPT-F

H. CONSTRUCTION CHARACTERISTICS

Wetted parts

AISI 316

Case

Body

carbon

LEVEL TRANSMITTERS AND CONTROLLER


Electronic

Pneumatic

B. ELECTRONIC TYPE

Supply

24 V dc

Output signal

4-20 mA (two wire system) 4-

Sensing element

Torque / floating tube

Accuracy

+ / - 1 %

Integral indicator

LCD

External zero and span calibration

C. PNEUMATIC TYPE

Supply

20 psig

Output signal

3 - 15 psig

Sensing element

Torque / floating tube

Accuracy

+ / - 1 %

Output signal indicator

D. PROTECTION DEGREE


E. Process

4" flanged internal

mounting

2" flanged external mounting

Electrical

1/2" NPT

Pneumatic

1/4" NPT

Drain and vent connections with plug

F. CONSTRUCTION CHARACTERISTICS

Internal

Top mounted

For internal type top mounted, in case of turbolence inside the vessel the float shall be guided with extension pipe 4" size.

External

Side / bottom

Side / side

Top / bottom

Top / side

G.

IDENTIFICATION LABEL

Permanent fixing and indelible writings with the following informations:

Manufacturer

Serial number

Model number

Max.pressure / temperature

Protection degree

Wetted parts material

Displacer length

Process connections dimensions and rating

MAGNETIC LEVEL INDICATOR / TRANSMITTER


Side / side connections

B. ELECTRONIC TRANSMITTERS

Type

SMART with HART protocoll SMART c

Supply

24 V dc

Output signal

4 - 20 mA (two wire system)

4 - A Accuracy

+ / - 0,01 %

Integral indicator

LCD

Electrical connections

1/2" NPT

C. PROTECTION DEGREE

IP 40

D. PROCESS CONNECTIONS

FLANGED : 1"

RATING : 150 - 2500#

16 - 400 bar 16 -

THREADED : 2"

E. CONSTRUCTION CHARACTERISTICS

Wetted parts

AISI 316 L

Body

AISI 316

NACE MR-0175 When required

level instruments - o-verall

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