UMI 840 Ultrasonic Flowmeter

Ultrasonic handheld instrument for measuring flow and percolation

Perfect instrument for investigation of flow speed on all kin of pipe material (metall, plastic or ruber)

Order No.: 5020-0840
Pricing information is only available for customers. Please log in.


Technical data

Measuring range -32...+32 m/s
Accuracy For Diameter >50mm: +- 1,5% from value
For Diameter <50mm: +- 3,5% from value
Resolution 0,0001 m/s
Reproducibility + - 1% from value
Working temperature -30...+160°C
Pipe dimensions Sensor 1: 20...108mm (included)
Sensor 2: 57...720mm (optional)
Sensor dimensions Sensor 1: 45 x 30 x 30mm (included)
Sensor 2: 60 x 45 x 45mm (optional)
Sensor weight Sensor 1: 75g (included)
Sensor 2: 260g (optional)
Medium All liquids with impurty smaller 5% and a percolation or more than 0,03 m3/h
Display LCD
Data connection USB
Power supply 3x AA Ni MH Accu / 2100 mAh
Accu lifetime 12 hours (at full capacity)
Power adapter 100...240V / AC
Data logger 1.800 measurements
Dimensions 214 x 104 x 40mm
Weight 450g


5020-0840 Manual (Multilingual)