Technical specifications

 Measuring range 1)

 ULM–53_–01–_

 ULM–53_–02–_

 ULM–53_–06–_

 ULM–53_–10–_

 ULM–53_–20–_

 0,1 ... 1 m 

 0,2 ... 2 m 

 0,2 ... 6 m 

 0,4 ... 10 m 

 0,5 ... 20 m

 Supply voltage

 ULM–53N–_ _–_ 

 ULM–53Xi–_ _ –I

 12 ... 36 V DC

 12 ... 30 V DC

 Current supply

 ULM–53N(Xi)–_ _ –I

 ULM–53N–_ _ –U

 ULM–53N–_ _ –M

 4 ... 20 mA / max. 22 mA 

 max. 12 mA

 max. 20 mA

 Current output 

Voltage output 

Modbus output

 ULM–53_–_ _ –I

 ULM–53N–_ _ –U

 ULM–53N–_ _ –M

 4 ... 20 mA (limit values 3.9 ... 20.5 mA) 

 0 ... 10 V (limit values 0 ... 10.2 V) 

 Modbus RTU protocol

 Resolution

 < 1 mm

 Accuracy

(within the total range)

 ULM–53_–01 in area 0,1–0,2 m / 0,2–1,0 m

 ULM–53_–02; –06

 ULM–53_–10; –20

 0,3 % / 0,2 % 

 0,15 %

 0,2 %

 Temperature error

 max. 0,04% / K

 Beamwidth (-3 dB)

 ULM–53_–01–_ ; 02–_ ; 10–_

 ULM–53_–06–_

 ULM–53_–20–_

 10° 

 14° 

 12°

 Ambient temperature range

 ULM–53_–01–_ ;  02–_ ; 06–_ 

 ULM–53_–10–_ ;  20–_

 -30 ... +70°C 

 -30 ... +60°C

 Measuring period

 ULM–53_–01–_; 02–_

 ULM–53_–06–_; 10–_

 ULM–53_–20–_

 ULM–53_–_ _–M

 0,5 s 

 1,2 s 

 5,0 s

 adjustable via Modbus RTU

 Averaging (can be modified according to agreement) 

 ULM–53_ – _ _–_ 

 ULM–53_–_ _–M

 4 measurement  3) 

 adjustable via Modbus RTU

 Short time temperature stress resistance

 +90°C / 1 hod.

 Max. operation overpressure (on transmission surface)

 0,1 MPa

 Max. internal values 2) (for the Xi version only)

 Ui=30 V DC; Ii=132 mA; Pi=0,99 W; Ci=370 nF; Li=0,9 mH

 Failure indication

 echo failure – basic mode

 echo failure – inverse mode

 level in dead zone 4) – basic mode 

 level in dead zone 4) – inverse mode

 3,75 mA / 0 V / Modbus RTU 

 22 mA / 10,5 V / Modbus RTU 

 22 mA / 10,5 V / Modbus RTU 

 3,75 mA / 0 V / Modbus RTU

 Protection class

 ULM-53_-__-_-_-_- T 

 ULM-53_-__-_-_- G-M, L

 ULM-53_-__-_-_- C-M, L 

 ULM-53_-__-_-_- B-M, L 

 ULM-53_-__-_-_- H-M, L

 IP67

 IP67 5)

 IP68 

 Recommended cable

 PVC 2 x 0,75 mm2 (3 x 0,5 mm2; 2 x 2 0,25 mm2)

 Maximal current output load resistance 

 at U = 24 V DC 

 at U = 22 V DC 

 at U = 20 V DC

 Rmax= 270 Ω

 Rmax=180 Ω

 Rmax=90Ω

 Minimal voltage output load resistance

 Rmin>1kΩ

 Delay between supply 

power rise time and first 

measurement

 ULM–53_–01–_ ; 02–_ ; 06–_ 

 ULM–53_–10–_; 20–_

 5 s 

 9 s

 Process connection

 ULM–53_–01–_

 ULM–53_–02–_

 ULM–53_–06–_

 ULM–53_–10–_

 ULM–53_–20–_

 thread G ¾‘‘

 thread G 1‘‘

 thread G 1½‘‘

 thread G 2¼‘‘ 

 aluminium alloy flange

 Weight

 ULM–53_–01–_

 ULM–53_–02–_

 ULM–53_–06–_

 ULM–53_–10–_

 ULM–53_–20–_

 0,20 kg 

 0,20 kg 

 0,25 kg 

 0,65 kg 

 2,80 kg