Endress+Hauser FMU40-UNB2A4 Ultrasonic level sensor Prosonic FMU40

Part Number	FMU40-UNB2A4
Approval [U]	CSA IS CI.I,II,III Div.1 Gr.A-G, NI CI.I Div.2, zone 0,1,2
Process Connection [N]	Thread ANSI NPT1-1/2, PVDF
Power supply; Output [B]	2-Wire; 4-20mA HART
Opration [2]	4-line display VU331, envelope curve display on site
Housing [A]	F12 Alu, coated, IP68 NEMA6P
Cable Entry [4]	Thread NPT1/2
SKU	RW9100Y14Z

Measuring principle

Ultrasonic
Characteristic / Application

Compact ultrasonic transmitter
Supply / Communication

2-wire HART
Accuracy

+/- 2 mm or +/- 0.2 % of set measuring range
Ambient temperature

-40 °C … 80 °C
(-40 °F … 176 °F)
Process temperature

-40 °C … 80 °C
(-40 °F … 176 °F)
Process pressure / max. overpressure limit

0.7 bar … 3 bar abs
(10 psi … 44 psi)
Main wetted parts

PVDF
Process connection

G / NPT 1 1/2″
Blocking distance

0.25 m (0.8 ft)
Max. measurement distance

Liquids: 5 m (16 ft),
Solids: 2 m (6.6 ft)
Communication

4…20 mA HART
Certificates / Approvals

ATEX, FM, CSA, IEC, INMETRO, NEPSI
Application limits

For higher resistance:
FMU42/FDU9x
Foam / high turbulence possible:
FMU41/FDU91
Fast filling and discharging rate:
FMU90 + FDU9x
Level limit detection:
FMU90 + FDU9x

Weight	5 kg

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