Leuze HTU318 Data Sheet

10 - 30 V

DC

IP 67

IEC 60947...

IEC 60947...

HTU318 Ultrasonic sensors with 1 switching output

Dimensioned drawing

en 01-2017/02 50124859

40 … 300mm

80 … 1200mm

 Function largely independent of surface

properties, ideal for detection of liquids,
bulk materials, transparent media, …

 Small dead zone at long scanning range
 Adjustment of the switching point can be

taught

 NO/NC function reversible
 1 switching output (PNP or NPN)
 Extra short construction
 NEW – Stable plastic design
 NEW – Temperature-compensated

scanning range

Accessories:

(available separately)

 Mounting systems
 Mounting adapter M18-M30:

BTX-D18M-D30 (Part no. 50125860)

 Cables with M12 connector

(KD …)

 Teach adapter PA1/XTSX-M12

(Part no. 50124709)

We reserve the right to make changes • PAL_HTU318_300_1200_1SWO_en_50124859.fm

A Active sensor surface
B Indicator diodes

Electrical connection

Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen Tel. [phone]

HTU318-300…-M12 - 01

HTU318-1200…-M12 - 01

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (plate 100x 100mm)

-100

-50

0

50

100

0 50 100 150 200 250 300 350

y1

y2

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (rod Ø 25 mm)

-200

-100

0

100

200

0 200 400 600 800 140012001000

y1

y2

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (plate 100x 100mm)

-200

-100

0

100

200

0 200 400 600 800 140012001000

y1

y2

Object distance x [mm]

Width y of the sound cone [mm]

Typ. response behavior (rod Ø 25 mm)

Object distance [mm]

Target (fixed):

plate or rod

Sound cone

= f (α,x)

HTU318

Technical data

Ultrasonic specifications HTU318-300/…-M12 HTU318-1200/…-M12

Scanning range
Adjustment range 40 … 300mm 80 … 1200mm
Ultrasonic frequency 300kHz 200kHz
Typ. opening angle 7° ± 2 ° 8° ± 2 °
Resolution <2mm <2mm
Direction of beam Axial Axial
Reproducibility ± 0.5%
Switching hysteresis 1% 3) 1%
Temperature drift ≤ 5%

Timing

Switching frequency 8Hz 5Hz
Response time 62ms 100ms
Readiness delay < 100ms < 100 ms

Electrical data

Operating voltage U
Residual ripple ± 5% of U
Open-circuit current ≤ 35mA
Switching output …/4…

Function NO (normally open), preset
Output current Max. 150 mA
Switching range adjustment 1-point teach: teach-in (pin 2) 2 … 7s to U

Changeover
NO/NC

Indicators

Yellow LED OUT1: object detected
Yellow LED, flashing Teach-in
Green and yellow LEDs flashing Teaching error
Green LED Object within the scanning range

Mechanical data

Housing Plastic (PBT)
Active surface Epoxy resin, glass fiber reinforced
Weight 65g

Ultrasonic transducer Piezoceramic

Connection type M 12 connector, 4-pin
Fitting position Any

Environmental data

Ambient temp. (operation/storage) -20° … +70°C/-20° … +70°C
Protective circuit
VDE protection class III
Degree of protection IP 67
Standards applied EN 60947-5-2
Certifications UL 508, CSA C22.2 No.14-13

1) At 20°C

2) Target: 100mm x 100 mm plate

3) From end value

4) Over the temperature range -20°C … +70°C

5) For UL applications: use is permitted exclusively in Class 2 circuits according to NEC

6) The ceramic material of the ultrasonic transducer contains lead zirconium titanate (PZT)

7) 1=short-circuit and overload protection, 2=polarity reversal protection, 3=wire break and inductive protection

8) These proximity switches shall be used with UL Listed Cable assemblies rated 30V, 0.5 A min,
in the field installation, or equivalent (categories: CYJV/CYJV7 or PVVA/PVVA7)

1)

5)

B

7)

40 … 300mm 2)

1) 3)

4)

10 … 30V DC (incl. ± 5% residual ripple)

B

1 PNP transistor switching output

…/2…

1 NPN transistor switching output

2-point teach: teach-in (pin 2) 7 … 12s to U
Teach-in (pin 2) > 12s to UB

6)

1, 2, 3

80 … 1200mm 2)

1) 3)

±0.5%

3)

≤ 5% 4)

,

B

B

5) 8)

Diagrams

HTU318-300/…-M12

100

50

0

-50

-100
0 50 100 150 200 250 300 350

HTU318-1200/…-M12

y2

y1

HTU318-300…-M12 - 01 2017/02
HTU318-1200…-M12 - 01

Notes

Observe intended use!

 This product is not a safety sensor

and is not intended as personnel
protection.

 The product may only be put into

operation by competent persons.

 Only use the product in accor-

dance with its intended use.