Tecfluid LU Series - Manual (Page 23)

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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 Ω
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.