SYSTEM DESIGN

Measurement Principle

Pulse Burst Radar @ 5.8 GHz (Europe), 6.3 GHz (U.S.)

INPUT

Measured Variable

Level, determined by the time-of-flight of a radar pulse from the

transmitter to the product surface and back

Zero and Span

0.5 to 65 feet (0.2 to 20 meters)

OUTPUT

Type

Analog: 4–20 mA or 4–20 mA with optional HART digital signal

Range

Analog: 3.8 to 20.5 mA useable; Digital: 0 to 999

Resolution

Analog: 0.01 mA; Digital: 0.1

"

Loop Resistance

GP/IS/XP 350

Ω @ 24 VDC/22 mA; 400 Ω @ 24 VDC/20 mA

Diagnostic Alarm

Adjustable 3.6 mA, 22 mA, HOLD

Damping

Adjustable 0–45

USER INTERFACE

Keypad

Three-button, menu-driven data entry and system security

Indication

Two-line

× eight-character display

Digital Communication

HART version 5 compatible (communicator sold separately)

GP: 16 to 36 VDC; IS: 16 to 28.6 VDC; XP: 16 to 36 VDC

HOUSING

Material

Aluminum A356T6 (< 0.25% copper), 316 stainless steel (optional)

Cable Entry

3

ANTENNAS

Type

TFE, polypropylene or Halar dielectric rod / 3" 4" or 6" horn

Materials (wetted parts)

Dielectric rod: TFE, polypropylene or Halar

Mounting nut: 316 SS (Hastelloy C, Monel, or All-Polypropylene optional)

Horn: 316 stainless steel (Hastelloy C optional)

Insert: TFE

Viton O-rings (standard)

Process Connections

Horns: 4" or 6" ANSI or DIN flanges

Maximum Process Temperature +400° F (+204° C)

Maximum Process Pressure

750 psi (51.7 bar)

Minimum Dielectric

2.0 dielectric rods / 1.7 horns

ENVIRONMENT

Operating Temperature Range

-40° to +175° F (-40° to +80° C)

LCD Operating Temp. Range

-5° to +160° F (-20° to +70° C)

Storage Temperature

-50° to +175° F (-46° to +80° C)

Humidity

0-99%, non-condensing

Electromagnetic Compatibility

Meets CE requirements EN 50081-2, EN 50082-2

Linearity

±0.4" or 0.1% of tank height

Measured Error

±0.4" or 0.1% of tank height

Resolution

0.1"

Repeatability

±0.2" or 0.05% of tank height

Warm-up Time

30 seconds

Ambient Temperature Effect

Temperature effect 0.05% per 10° C

Process Dielectric Effect

< 0.3 inch within selected range

Maximum Rate of Change

15 feet (4.5 meters) / minute

7

Pulsar transmitter with

a 6" horn antenna