Ultrasonic Level Meters

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Product Code : ULM

Product Description

By keeping track of current market advancement, we are providing a distinguished assortment of Ultrasonic Level Meters. This is self-contained device that includes electroacoustic transducer and electronic module. The level meter ULM transmits series of ultrasonic pulses which propagates towards the liquid surface. Manufactured under the visionary guidance of adroit professionals using advance technology and well-checked raw material, the offered range remains in great demand across the market. Further, Ultrasonic Level Meters are thoroughly checked on different quality parameters assuring its impeccability at user's end.

Salient Features :

For continuous level measurement of liquids (even if polluted), mash and paste materials in open or closed vessels, sumps, open channels, etc.
Configuration and adjustment of measuring range by two buttons
Xi version for usage in explosive areas
State indication by two LEDs
Current (4 ... 20 mA) or voltage (0 ... 10 V) output
Options of inverse function (20 ... 4 mA or 10 ... 0 V)

Features Of Variants :

ULM-53_-02-_	Measuring range from 0.25 m to 2 m, plastic PVDF transmitter and plastic body (PP+HDPE), process connection with thread G 1".
ULM-53_-06-_	Measuring range from 0.25 m to 6 m, plastic PVDF transmitter and plastic body (PP+HDPE), process connection with thread G 1 1/2".
ULM-53_-10-_	Measuring range from 0.5 m to 10 m, plastic PVDF transmitter and plastic body (PP+HDPE), aluminium alloy ("Xi" version) or HDPE ("N" version) ange.
ULM-53_-20-_	Measuring range from 0.5 m to 20 m, with plastic PVDF transmitter and plastic body (PP+HDPE), aluminium alloy ange.

Technical Specifications :

Measuring range ¹⁾	ULM-53-02- ULM-53-06- ULM-53-10- ULM-53-20-	0.25 ... 2 m 0.25 ... 6 m 0.5 ... 10 m 0.5 ... 20 m
Current supply	ULM-53-U	12 mA
Supply voltage	ULM-53N- ULM-53Xi-I	18 ... 36 V DC 18 ... 30 V DC
Current output ULM-53-I Voltage output ULM-53N-U		4 ... 20 mA (limit values 3.9 ... 20.5 mA) 0 ... 10 V (limit values 0 ... 10.2 V)
Resolution		< 1 mm
Accuracy (within the total range)	ULM-53-06- ; 10- ; 20- ULM-53-02-	0.2 % 0.3 %
Temperature error		max. 0.04% / K
Beamwidth (-3 dB)	ULM-53-02- ; 10- ULM-53-06- ULM-53-20-	10^o 14^o 12^o
Ambient temperature range	ULM-53-02- ; 06- ULM-53-10- ; 20-	-30 ... +70^oC -30 ... +60^oC
Measuring period	ULM-53-02- ULM-53-06- ULM-53-10- ULM-53-20-	0.6 s 1.4 s 1.8 s 5.0 s
Averaging (can be modied according to agreement)		4 samples
Short time temperature stress resistance		+90^oC / 1 hour
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 - basic mode level in dead zone - inverse mode	3.75 mA (0 V) 22 mA (10.5 V) 22 mA (10.5 V) 3.75 mA (0 V)
Protection class		IP67
Recommended cable		PVC 2 x 0.75 mm2 (3 x 0.5 mm2)
Current output load resistance (at U = 24 V DC)		Rmax = 270
Voltage output load resistance		R > 1 k
Delay between supply power rise time and rst measurement	ULM-53-02- ; 06- ; 10- ULM-53-20-	3s 5s
Delay between power supply rise time and full emission output	ULM-53-02- ; 06- ; 10- ULM-53-20-	30 s 45 s
Weight	ULM-53-02- ULM-53-06- ULM-53-10- ULM-53-20-	0.20 kg 0.25 kg 0.65 kg 2.80 kg