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Technical characteristics, 1 materials, 2 process connection – Tecfluid LU Series User Manual

Page 23: 3 measuring range, 4 power supply, 5 analog output, 6 alarm outputs (only models lu9x), 7 measuring indication, 8 general characteristics, 9 technical characteristics

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23

9 TECHNICAL

CHARACTERISTICS

9.1 Materials

Body: PP, PVDF

Housing:

Polycarbonate.

9.2 Process

connection

LU91 / LU921: G2 (BSP) thread.
LU93 / LU923: G2 1/2 (BSP) thread.

9.3 Measuring

range

LU91: 0.3 m … 6 m (solids up to 3.5 m)
LU93: 0.45 m … 12 m (solids up to 7 m)
LU921: 0.3 m … 5 m (solids up to 2.5 m)
LU923: 0.45 m … 10 m (solids up to 5 m)

9.4 Power

supply

LU9X: 18 ... 30 VDC.

Power consumption:

≤ 1.5 W

LU92X: 12 ... 36 VDC.

Power consumption: maximum 22 mA

9.5 Analog

output

4-20 mA or 20-4 mA.
Error of measurement signals of 3.6 mA and 22 mA

9.6

Alarm outputs (only models LU9X)
Optoisolated. Vmax: 30 VDC. Imax: 30 mA.

9.7 Measuring

indication

Nº of digits:

4 (1 integer and 3 decimals)

Digit size:

7 mm

9.8 General

characteristics

Protection rating:

IP67

Ambient temperature range:

-40 ... +70 ºC (display only to 60 ºC)

Maximum working pressure:

400 kPa (4 bar)

Resolution: 1

mm

Uncertainty:

< 0.25% of measuring range

Repeatability:

< 0.25% of measuring range

9.89

Electrical characteristics referred to the analog loop and communications

Reception

impedance:

Rx

>

8,5

M

Cx < 200

pF

Conforms with 89/336/EC Directive

Conforms with 2002/96/EC Directive

Conforms with 97/23/EC Directive


This equipment is considered as being a pressure accessory and NOT a safety
accessory as defined in the 97/23/EC directive, Article 1, paragraph 2.1.3.