Mode of operation

Measuring principle

Inverse frequency shift capacitive level detection

Input

Measured variable

Change in picoFarad (pF)

Output

Solid-state output

• Output

Galvanically isolated

• Protection

Against reversed polarity (bipolar)

• Max. switching voltage

• 30 V (DC)
• 30 V peak (AC)

• Max. load current

82 mA

• Voltage drop

< 1 V, typical at 50 mA

• Time delay (pre or post switching)

Programmable by user (0 ... 100 s)

Fail-safe mode

Min. or max.

Connection

Removable terminal block

Accuracy

Resolution

• Min. sensitivity (pF) 

1 % change in actual capacitance

• Max. temperature error

0.2 % of actual capacitance value

Rated operating conditions¹⁾

Installation conditions

• Location

Indoor/outdoor

Ambient conditions

• Ambient temperature

-40 ... +85 °C (-40 ... +185 °F)²⁾

Medium conditions

Liquids, bulk solids, slurries, interfaces, and applications with viscous materials

• Relative dielectric constant ?_r

Min. 1.5

• Process temperature

• Rod/Cable version

 -40 ... +200 °C (-40 ... +392 °F)²⁾

• High Temperature version

-40 ... +400 °C (-40 ... +752 °F)

• Process pressure³⁾

-1 ... +35 bar g (-14.6 ... +511 psi g)

Design

Material (enclosure)

Powder-coated aluminum with gasket

Degree of protection

Standard: Type 4/NEMA 4/IP65
Optional: Type 4/NEMA 4/IP68

Cable inlet

2 x M20 x 1.5 thread (option: 2 x ?" NPT conduit entry including 1 plugged entry)

Controls and displays

Local display

LCD

Configuration

• Locally, using 3 button keypad (for standalone operation)
• Remotely, using SIMATIC PDM (for installation on a network)

Power supply

Bus voltage (at process connection)

• Standard: 12 ... 30 V DC
• Intrinsically Safe: 12 ... 24 V DC

Current consumption

12.5 mA

Certificates and approvals

General Purpose

CSA, FM, CE, RCM

Dust Ignition Proof

ATEX II 1/2 D, 2 D IP6X T100 °C

Flameproof Enclosure With IS Probe

ATEX II 1/2 G EEx d[ia] IIC T6 ... T4
ATEX II 1/2 D T100 °C

Dust Ignition Proof With IS Probe

CSA/FM Class II, Div. 1, Groups E, F, G
CSA/FM Class III  T4

Intrinsically Safe⁴⁾

ATEX II 1 G EEx ia IIC T6 ... T4
ATEX II 1/2 D, 2 D IP6X T100 °C

CSA/FM Class I, Div. 1, Groups A, B, C, D
CSA/FM Class II, Div. 1, Groups E, F, G
CSA/FM Class III  T4

Non-incendive

CSA/FM Class I, Div. 2, Groups A, B, C, D
CSA/FM Class II, Div. 2, Groups F, G
CSA/FM Class III  T4 or T6

Explosion Proof with IS Probe

CSA/FM Class I, Div. 1, Groups A, B, C, D
CSA/FM Class II, Div. 1, Groups E, F, G
CSA/FM Class III  T4

Marine

Lloyds Register of Shipping, Categories ENV1, ENV2, and ENV5

Others

Pattern Approval (China)

Communication

PROFIBUS PA (IEC 61158 CPF3 CP3/2)

Bus physical layer: IEC 61158-2 MBP-(IS)

Device profile: PROFIBUS PA profile for Process Control Devices Version 3.0, Class B

FISCO field device

Rod version

High Temperature version

Cable version

Length

Min. 250 mm (9.8 inch),
max. 1 000 mm (40 inch)

Min. 250 mm (9.8 inch),
max. 1 000 mm (40 inch)

Min. 1 000 mm (40 inch),
max. 25 000 mm (984 inch)

Sensor wetted parts

PFA (no insulation on active probe), 316L stainless steel, PEEK isolators

Ceramic (ZrO₂¹⁾) isolators (no insulation on active probe), 316L stainless steel

316 stainless steel, optional PFA, PEEK isolators

O-ring seal material

FKM (optional FFKM)²⁾

Graphite²⁾

FKM (optional FFKM)²⁾

Thermal isolator

Optional

Standard

Optional

Extension

User selectable length

User selectable length

User selectable cable length