Level Measurement

Ultrasonic, non-contacting level measurement

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The IMP range of non-contacting level sensors from Pulsar Measurement are designed to be used wherever you need an accurate and reliable level indication. The unique digital echo process techniques featured in the IMP range of level sensors mean the units are perfect for slurries, liquids, or anywhere where you need a display giving you a level indication or analog output to interface with your existing site control system or to drive a display. 

There are several measurement ranges available from 200 mm to 10 m (7.9 in to 32.8 ft) and each sensor can be wired for 2 or 3-wire operation. All IMP options feature an LCD display and digital temperature measurement and compensation. Combine the IMP level sensors with PC Suite 4.0 and users will be able to download, analyze, and store echo profiles, set up the sensor parameters, install new firmware, and add a flow curve to configure level to flow linearization. 

The IMP level measurement units are suitable for water and wastewater applications, industrial level measurement, tank level measurement, stock control, and health and safety compliance. To find out more about the IMP range of level measurement sensors, contact us today.

  • Compact, self-contained level measurement
  • Calibrate without compromising the IP67 rating
  • Simple menu led setup
  • High power and narrow beam angles
General Specifications
Spec: Description:
Dimensions 186 mm (H) x 133 mm (D) (7.3 in (H) x 5.2 in (D))
Cable Entry:  2 off cable glands 4.5 mm to 10 mm (0.2 in to 0.4 in); Torque to 2 NM
Mounting:  IMP3 - 3 m (9.8 ft) version: 1.5 in BSP/NPT
IMP 6 - 6 m (19.7 ft) version: 1.5 in BSP/NPT
IMP10 - 10 m (32.8 ft) version: 2 in BSP/NPT
Suits BSP & NPT, parallel and tapered
Weight Nominal 1kg (2.2 lb)
Enclosure Protection IP67
Temperature (Process) -4 0°C to +65 °C (-40 °F to +149 °F )
Temperature (Ambient) -40 °C to +80 °C (-40 °F to +176 °F)
Input Voltage Range 11-30 V, 3.5-22mA
Accuracy ±0.25% or 6 mm (0.2 in) whichever is greater
Resolution ±0.1% or 2 mm (0.1 in) whichever is greater
4-20mA Outputs Resolution 5 μA; both active and passive outputs
Temperature Compensation Via internal temperature sensor 0.5 °C (± 32.9 °F) 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.
Options
Option: Description:
Variants IMP Lite
IMP I.S.
Configurations 2-Wire or 3-Wire
Beam Angle (-3 dB half power) IMP3: ‹10° inclusive
IMP6: ‹10° inclusive
IMP10: ‹10° inclusive
Operating Frequency IMP3: 125 kHz
IMP6: 75 kHz
IMP10: 41 kHz
Measurement Range IMP3: 200 mm to 3 m (7.9 in to 10 ft)
IMP6: 300 mm to 6 m (11.8 in to 19.7 ft)
IMP10: 300 mm to 10 m (11.8 in to 32.8 ft)
Software IMP PC
dBi10 helps provide low power monitoring for Japan's Ministry of Land, Infrastructure, Transport and Tourism. pdf Download
IMP provides level measurement at local airports water reservoir pdf Download
Product Brochure pdf Download
Datasheet pdf Download
Manual pdf Download
Technical Drawing (UNCONTROLLED COPIES)
pdf Download
Datasheet pdf Download
IMP successfully measures influent screening tanks. pdf Download
Ask the Expert | Marc Richards on PC Suite pdf Download
Pulsar Measurement Product Warranty pdf Download
  • IP67
  • Intrinsically Safe Version Available 
  • CE Approval 

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