Mode of operation

Measuring principle

Pulse radar level measurement

Frequency

K-band (25.0 GHz)

Minimum detectable distance

0.05 m (2 inch) from end of horn

Maximum measuring range¹⁾

Solids

• 2" horn: 10 m (32.8 ft)
• 3" horn: 20 m (65.6 ft)
• 4" horn: 30 m (98.4 ft) 

Liquids

• 2" horn: 20 m (65.6 ft)
• 3" horn: 30 m (98.4 ft)
• 4" horn: 30 m (98.4 ft)

Output - HART

Power

4 ... 20 mA (± 0.02 mA accuracy)

Fail signal

Nominal 24 V DC (max. 30 V DC)

Load

3.6 mA ... 23 mA; or last value 230 ... 600 О©

Output - PROFIBUS PA

• Per IEC 61158-2
• 15.0 mA
• Profile version 3.01, Class B 

Performance (according to reference conditions IEC60770-1)

Maximum measured error (including hysteresis and non-repeatability)

• 25 mm (1 inch) from minimum detectable distance to 300 mm (11.8 inch)
• Remainder of range = 6 mm (0.23 inch) or 0.05 % of spa (whichever is greater)

Rated operating conditions

Installation conditions

Location

Indoor/outdoor

Ambient conditions (enclosure)

• Ambient temperature
• Installation category
• Pollution degree

-40 ... +80 °C (-40 ... +176 °F)
I
4

Medium conditions

Dielectric constant Оµ_r

Оµ_r > 1.6, antenna and application dependent

Process temperature

-40 ... +200 °C (-40 ... +392 °F)

Process pressure

• 0.5 bar g (7.25 psi g) maximum
• 3 bar g (43.5 psi g) optional with 80 °C (176 °F) temperature max

Design

Enclosure

• Construction

• Conduit entry

Aluminum, polyester powder-coated

2 x M20 x 1.5 or 2 x Ѕ" NPT

Degree of protection

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

Weight

< 8.14 kg (17.9 lb) including 4" flange and standard Easy Aimer with 4" horn antenna

Display (local)

Graphic LCD, with bar graph representing level

Flange and horn (easy aimer model)

• Material

304 stainless steel

• Horn antenna

2" horn
3" horn
4" horn

Process connections

• Universal flanges ²⁾

2 inch/50 mm, 3 inch/80 mm, 4 inch/100 mm, 6 inch/150 mm

Mechanical (Threaded Connection model)

• Threaded connection

2" NPT (ASME B1.20.1), R (BSPT, EN 10226-1), or G (BSPP, EN ISO 228-1)

• Materials

316L/1.4404 or 316L/1.4435 stainless steel PTFE emitter

Certificates and approvals

General

CSA_US/C, CE, FM

Radio

Europe (R&TTE), FCC, Industry Canada, RCM

Hazardous

CSA/FM Class II, Div. 1, Groups E, F, G, Class III
ATEX II 1D, 1/2D, 2D Ex ta IIIC T100 єC Da
IECEx/ATEX II 1 GD Ex ia IIC T4 Ga, Ex ta IIIC T100 єC Da
CSA/FM Class I, II, III, Div. 1, Groups A, B, C, D, E, F, G

SABS ARP0108 Ex ia IIC T4 Ga

Programming

Intrinsically Safe Siemens handheld programmer

Infrared receiver

• Approvals for handheld programmer

IS model:
ATEX II 1GD Ex ia IIC T4 GaEx iaD 20 T135 °C Ta = -20 ... +50 °C
CSA/FM Class I, II, and III, Div. 1, Groups A, B, C, D, E, F, G, T6 Ta = 50 °C

Handheld communicator

HART communicator 375

PC

SIMATIC PDM

Display (local)

Graphic local user interface including quick start wizard and echo profile displays