Measuring principle

Radar level measurement

Frequency

K-band (25.0 GHz)

Minimum measuring range

50 mm (2”) from end of horn

Maximum measuring range

20 m (65 ft), horn dependent

Output

• Analog output

4 to 20 mA

• Accuracy

± 0.02 mA

• Communications

HART^®

Optional: PROFIBUS PA (Profile 3.0, Class B)

• Fail-safe

• Programmable as high, low or hold (Loss of Echo)
• NE 43 programmable
  

Performance (according to reference conditions IEC60770-1)

• Maximum measured error

= 5 mm (0.2”)

• Influence of ambient temperature

<0.003 %/K

Rated operating conditions

Installation conditions

• Location

Indoor/outdoor

Ambient conditions (enclosure)

• Ambient temperature

-40 to +80 °C (-40 to +176 °F)

• Installation category

I

• Pollution degree

4

Medium conditions

• Dielectric constant ε_r

ε_r > 1.6, horn and application dependent

• Process temperature

-40 to +200 °C (-40 to +392 °F) (at process connection with FKM o-ring)

• Process pressure

Up to 40 bar g (580 psi g), process connection and temperature dependent.

See Pressure/Temperature curves for more information

Design

• Enclosure

• Material

Aluminium, polyester powder-coated

• Cable inlet

2 x M20x1.5 or 2 x ½” NPT

• Degree of protection

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

• Weight

< 3 kg (6.6 lbs) 3.75 mm (1½”) threaded connection with 1½” horn antenna

• Display (local)

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

• Antenna  

• Material

316L stainless steel [optional alloy N06022/2.4602 (Hastelloy^® C-22^® or equivalent)]

• Dimensions (nominal horn sizes)

Standard 1.5” (40 mm), 2” (48 mm), 3” (75 mm), 4” (95 mm) horn and optional 100 mm (4”) horn extension

Process connections

• Process connection

1½” or 2” NPT [(Taper), ANSI/ASME B1.20.1]

R 1½” or 2” [(BSPT), EN 10226]

G 1½” or 2” [(BSPP), EN ISO 228-1]

• Flange connection

2”, 3”, 4” (ANSI 150, 300 lbs),

50, 80, 100 mm (PN 16, 40, JIS 10K)

Power supply

4 to 20 mA/HART

Nominal 24 V DC (max. 30 V DC) with max. 550 Ω

PROFIBUS PA

• 15.0 mA
• per IEC 61158-2

Certificates and approvals

• General

CSA_US/C, CE, FM, NE 21, C-TICK

• Radio

FCC, Industry Canada and
Europe ETSI EN 302-372, C-TICK

• Hazardous

• Intrinsically Safe (Europe)

ATEX II 1G EEx ia IIC T4
ATEX II 1D EEx tD A20 IP67 T90 °C

• Intrinsically Safe (USA/Canada)

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

• Intrinsically Safe (International)

IECEX SIR 05.0031X, Ex ia IIC T4, EX tD A20 IP67 T90 °C

• Non-incendive (USA/Canada)

CSA/FM Class I, Div. 2, Groups A, B, C, D T5

Programming

• Intrinsically Safe Siemens handheld programmer

Infrared receiver

• Approvals for handheld programmer

IS model with ATEX II 1G EEx ia IIC T4, CSA/FM Class I, Div. 1,
Groups A, B, C, D

• Handheld communicator

HART communicator 375

• PC

SIMATIC PDM

• Display (local)

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