Ultrasonic Level Sensor – IMP+

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.

Description

  • Non-contacting ultrasonic level measurement
  • Compact and low-profile
  • 2-wire or 3-wire configuration
  • LCD display

Specification

Catalog PDF

IMP+

IMP 3

IMP 6

IMP 10

Measurement range

0.2 - 3m

0.3 - 6m

0.3 - 10m

Operating frequency

125kHz

75kHz

41kHz

Beam angle (-3dB half power)

<10º inclusive

<10º inclusive

<10º inclusive

PHYSICAL

Dimensions:

186mm ø height x 133mm ø diameter

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

ENVIRONMENTAL

Enclosure protection

IP67

Temp. range (ambient)

-40°C to +65°C

Temp. range (process)

-40°C to +80°C

PERFORMANCE

Input voltage range

11-30V, 3.5-22mA

Accuracy

±0.25% or 6mm whichever is greater

Resolution

±0.1% or 2mm whichever is greater

4-20mA outputs

Resolution 5μA (both active and passive outputs)

Temperature compensation

Via internal temperature sensor (±0.5ºC accuracy). Level and volume conversion are installed allowing linearization for tank shapes

PC Interface PC Suite

All parameters can be accessed and changed thru PC Suite software.
Echo traces may be viewed on screen.

2-WIRE CONFIGURATION FEATURES

3-WIRE 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

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 (less12mA/relay not energised)
Active and passive 4-20mA outputs