Mode of operation

Measuring principle

Inverse frequency shift capacitive level
detection

Inverse frequency shift capacitive level
detection

Input

Measured variable

Change in picoFarad (pF)

Change in picoFarad (pF)

Output

Output signal

• Alarm output

4 ... 20/20 ... 4 mA 2-wire loop

4 ... 20/20 ... 4 mA 2-wire loop

• Switch output¹⁾

Solid-state: 30 V DC/30 V AC, max. 82 mA

Max. switching voltage: 60 V DC/30 V AC
Max. switching current: 1 A

• Fail-safe mode

Min. or max.

Min. or max.

Accuracy

Repeatability

2 mm (0.08 inch)

2 mm (0.08 inch)

Rated operating conditions²⁾

Installation conditions

• Location

Indoor/outdoor

Indoor/outdoor

Ambient conditions

• Ambient temperature

-30 ... +85 °C (-22 ... +185 °F)

-10 ... +85 °C (14 ... 185 °F)

• Installation category

I

I

• Pollution degree

4

4

Medium conditions

• Relative dielectric constant ?_r

Min. 1.5

Min. 1.5

• Process temperature

-30 ... +100 °C (-22 ... +212 °F)

-10 ... +100 °C (14 ... 212 °F)

• Pressure (vessel)

-1 ... +10 bar g (-14.6 ... +146 psi g), nominal²⁾

-1 ... +10 bar g (-14.6 ... +146 psi g), nominal

• Degree of protection

• Enclosure version

IP68/Type 4/NEMA 4

IP68/Type 4/NEMA 4

• Integral cable version

IP65/Type 4/NEMA 4

Not applicable

• Cable inlet

?" NPT (M20 x 1.5 optional)

?" NPT (M20 x 1.5 optional)

 Design

Enclosure/Integral cable version

Fully synthetic version

Material

• Body (Enclosure version)

Thermoplastic polyester

Thermoplastic polyester

• Lid (Enclosure version)

Transparent thermoplastic polycarbonate (PC)

Transparent thermoplastic polycarbonate (PC)

• Integrated cable body
  (Integral cable version)

316L stainless steel

 Not applicable

Sensor length (nominal)

100 mm (4 inch)

100 mm (4 inch)

Process connection material of probe/wetted parts³⁾

Connection: 316L stainless steel;
Process seal: FKM (optional FFKM);
Sensor: PPS
(optional PVDF)⁴⁾

PPS process connection and PPS sensor
(Uni-Construction)

Connection (Enclosure version)

Internal 5-point terminal block,
?" NPT wiring entrance, M20 x 1.5 optional

Removable internal 5-point terminal block,
?" NPT wiring entrance, M20 x 1.5 optional

Connection
(Integral cable version)

4 conductors, 1 m (3.3 ft), 0.5 mm? (22 AWG), shielded, polyester jacket

 Not applicable

Process connection

?" NPT [(Taper), ANSI/ASME B1.20.1]
R 1" [(BSPT), EN 10226/PT (JIS-T), JIS B 0203]
G 1" [(BSPP), EN ISO 228-1/PF (JIS-P), JIS B 0202]

?" NPT [(Taper), ANSI/ASME B1.20.1]
R 1" [(BSPT), EN 10226/PT (JIS-T), JIS B 0203]

Power supply

Standard

12 ... 33 V DC

12 ... 33 V DC

Intrinsically Safe

10 ... 30 V DC (Intrinsically Safe barrier required)

 Not applicable

Certificates and approvals

• General: CE, CSA, FM, RCM
• Marine: Lloyds Register of Shipping, categories ENV1, ENV2, and ENV5
  Dust Ignition Proof (barrier required): CSA/FM Class II and III, Div. 1, Groups E, F, G T4
• Intrinsically Safe (barrier required): CSA/FM Class I, II, and III, Div. 1, Groups A, B, C, D, E, F, G T4
  ATEX II 1 GD 1/2GD EEx ia IIC T4 to T6 T107 °C
• Overfill protection: WHG (Germany)

• General: CSA, FM