IMP+ Pulsar Ultrasonic Level Sensor

IMP+ Pulsar Ultrasonic Level Sensor

IMP+ can be used wherever you need reliable non-contacting ultrasonic level measurement and digital echo processing means IMP+ is perfect for slurries or liquids and anywhere you need a display telling you the level, or an analogue output to interface with your site control system or drive a display.

There is an IMP+ ultrasonic level sensor to suit your application, 3m, 6m and 10m range versions are available and each can be wired for 2-wire and 3-wire operation. IMP+ features a LCD display and digital temperature measurement and compensation. IMP+ also has 2 relay outputs as standard.


2-Wires Configuration features

  • RS232 (RJ11 port) connection for diagnostics and software updates
  • 4 digit LCD display
  • 4 button keypad for parameter entry
  • Power consumption: 3.5 - 22mA
  • Passive 4-20mA output

3-Wires Configuration features

  • All 2-wire version features plus:
  • Backlit LCD display
  • 0-10V analogue output
  • 2 relays: single pole two way, 1A 30VDC/AC
  • Power consumption with relays energised <60mA (less 12mA/relay not energised)
  • Active and passive 4-20mA outputs



Dimensions:186mm ø height x 133mm ø diameter (5.24 x 7.32in)
Cable entry:2 off cable glands 4.5 -10mm (Torque to 2NM)
Mounting:1.5” BSP/NPT (IMP3 & IMP6), 2” BSP/NPT (IMP10)
Weight:Nominal 1kg (2.2lb)


Model:Measurement range:Operating frequency:Beam angle (-3dB half power):
IMP30.2 - 3m (0.66 - 10ft)125kHz<10° inclusive
IMP60.3 - 6m (0.98 - 20ft)75kHz<10° inclusive
IMP100.3 - 10m (0.98 - 33ft)41kHz<10° inclusive


Enclosure protection:IP67
Max. and min. temperature (ambient):-40°C to +65°C (-40°F to +149°F)
Max. and min. temperature (process):-40°C to +80°C (-40°F to +176°F)


CE approval:Listed in the Certificate of Conformity within the manual


Input voltage range:11-30V, 3.5-22mA
Accuracy:±0.25% or 6mm (0.24in) whichever is greater
Resolution:±0.1% or 2mm (0.08in) whichever is greater
4-20mA outputs:Resolution 5µA (both active and passive outputs)
Temperature compensation:Via internal temperature sensor (±0.5°C accuracy). Level and volume conversion are installed allowing linearisation for tank shapes.
PC Interface:All parameters can be accessed and changed through PC Suite software. Echo traces may be viewed on screen.

Download Datasheet: IMP+ Pulsar Ultrasonic Level Sensor 

Reference :

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