You are here: Products ⇒ Ultrasonic level meters MHU 99, MHU 99-S, MHU 99-C, PU ⇒ Compact ultrasonic probes PU

«Economical version of level meter»

PU: compact design with integrated electronics-example of assembly with ELA adaptor

Application

  • contactless continuous sensing the level of liquids
  • separate functional, or in cooperation with control unit MHU 99, MHU 99-S, MHU 99-C
  • digital signal processing with a powerful filter
  • control core - a pair of microprocessors
  • adjustable measuring window
  • internal digital compensation of ambient temperature
  • high enclosure IP 68

Technical data

Type of probe PU 500 PU 2000 PU 4000 PU 6000
Installing height 50 cm 200 cm 400 cm 600 cm
Measuring range 0—40 cm 0—180 cm 0—350 cm 0—520 cm
Level resolution 0,02 cm
Accuracy of measurement 0,4 % of scale
Linearity ±0,2 cm
Radiation angle 10°
Operating temperature −20 °C to +50 °C
Storage temperature −40 °C to +85 °C
Power supply 12—25 VDC/100 mA
Current output (active) 4/0—20 mA / generally adjustable in the range of 0-30 mA / 300 Ohms, galvanically separated
Binary output open collector max. 30 VDC / 50 mA 
Functions of binary output + comparator or wave-band switch (with hysteresis)
+ signalization of failure or starting procedure
+ pulse output (period linearly proportional to level of liquid)
Communication channel for setting RS 485, 1200 — 19200 Bd, ASCII protocol
Enclosure IP 68 (NEMA 6)
Dimensions (height × width × depth) ∅74 × - × 152 mm
Weight 1,6 kg
Connecting cable 8 × 0,5 mm2 CU, firmly conducted from probe of length of 4 m
Communication SW for setting DOS, WINDOWS 95 (CZ)
Fixation console ELA
praktická motá�

practical assembly

basic dimensions

basic dimensions