Mode of operation

Measuring principle

Pulse radar level measurement

Frequency

5.8 GHz (North America 6.3 GHz)

Measuring range

0.3 ... 20 m (1.0 ... 65 ft)

Output

Analog output

4 ... 20 mA

Accuracy

± 0.02 mA

Span

Proportional or inversely proportional

Communications

HART

Performance (reference conditions)

Accuracy

± the greater of 0.1 % of range or 10 mm (0.4 inch)

Influence of ambient temperature

0.003 %/K

Repeatability

± 5 mm (2 inch)

Fail-safe

mA signal programmable as high, low or hold (LOE)

Rated operating conditions

Installation conditions

• Location

Indoor/outdoor

Ambient conditions (enclosure)

• Ambient temperature

-40 ... +80 °C (-40 ... +176 °F)

• Installation category

I

• Pollution degree

4

Medium conditions

Dielectric constant ?_r

?_r > 1.6 (for ?_r  <  3, use stillpipe)

Vessel temperature

-40 ... +80 °C (-40 ... +176 °F)

Vessel pressure

3 bar g (43.5 psi g)

Design

Enclosure

• Body construction

PBT (Polybutylene Terephthalate)

• Lid construction

PEI (Polyether Imide)

• Cable inlet

2 x M20 x 1.5 or 2 x ?" NPT with adapter

Degree of protection

Type 4X/NEMA 4X, Type 6/NEMA 6, IP67, IP68

Weight

1.97 kg (4.35 lb)

Antenna

• Material

Polypropylene rod, hermetically sealed construction

• Dimensions

Standard 100 mm (4 inch) shield for maximum 100 mm (4 inch) nozzle or optional 250 mm (10 inch) long shield

Process connections

1?" NPT [(Taper), ANSI/ASME B1.20.1]
R 1?" [(BSPT), EN 10226]
G 1?" [(BSPP), EN ISO 228-1]

Power supply

• Nominal 24 V DC with max. 550 ?, maximum 30 V DC
• 4 ... 20 mA

Certificates and approvals

General

CSA_US/C, CE, FM, RCM

Marine

• Lloyd's Register of Shipping
• ABS Type Approval

Radio

FCC, Industry Canada, and European (R&TTE), RCM

Hazardous

• Intrinsically Safe (Brazil)

INMETRO Ex ia IIC T4 Ga

• Intrinsically Safe (Canada)

CSA Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Group G; Class III

• Intrinsically Safe (Europe)

ATEX II 1G EEx ia IIC T4

• Intrinsically Safe (International)

IECEx Ex ia IIC T4

• Intrinsically Safe (Russia/Kazakhstan)

EAC Ex ia

• Intrinsically Safe (USA)

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

Programming

Handheld programmer

HART communicator 375

PC

SIMATIC PDM

Intrinsically safe Siemens handheld programmer (optional)

Infrared receiver

• Approvals (handheld programmer)

ATEX II 1G EEx ia IIC T4
CSA and FM Class I, Div. 1, Groups A, B, C, D, T6 at max. ambient

Display (local)

Multi-segment alphanumeric liquid crystal with bar graph (representing level) available in four languages