Level Indicators & Controllers

ULTRASONIC LEVEL SENSOR

level

General specifications

Sensing range 60 … 2000 mm

Adjustment range 90 … 2000 mm

Unusable area 0 … 60 mm

Standard target plate 100 mm x 100 mm

Transducer frequency approx. 175 kHz

Response delay approx. 150 ms

Indicators/operating means

LED green permanently green: Power on

LED yellow permanent: object in evaluation range

flashing: TEACH-IN function

LED red normal operation: “fault”

TEACH-IN function: no object detected

Electrical specifications

Operating voltage 17 … 30 V DC, ripple 10 % SS

No-load supply current £ 50 mA

Input/output

Synchronisation bi-directional

0 level -UB…+1 V

1 level: +4 V…+UB

input impedance: > 12 KOhm

synchronization pulse: ³ 100 μs,

synchronization interpulse period: ³

2 ms

Synchronisation frequency

Common mode operation max. 30 Hz

Multiplex operation £ 30/n Hz, n = number of sensors

Output

Output type 1 analogue output 0 … 10 V

Default setting evaluation limit A1: 90 mm ,

evaluation limit A2: 2000 mm , wide beam width

Resolution 0.7 mm

Deviation of the characteristic curve ± 1 % of full-scale value

Repeat accuracy ± 0.1 % of full-scale value

Load impedance > 1 kOhm

Temperature influence ± 1 % of full-scale value

Ambient conditions

Ambient temperature -25 … 70 °C (-13 … 158 °F)

Storage temperature -40 … 85 °C (-40 … 185 °F)

Mechanical specifications

Protection degree IP54

Material  Housing : ABS

Transducer epoxy resin/hollow glass sphere

mixture; foam polyurethane, cover PBT

Mass 140 g

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Manufacturer of Online Analytical Systems & Laboratory Instruments