Sonalok 7S Ultrasonic Flow Meter

EESIFLO 8000 Series Explosionproof Ultrasonic Flow Meter
Flow Measurement principle : Transit Time ultrasonic cross correlation
Flow Velocity Range: 0.01 to 25 m/s
Resolution: 0.025 cm/s
Repeatability: 0.15% of measured value
Accuracy: +/- 1 to 3 % (out of box) and +/- 0.5% with calibration.
Turndown Ratio: 200 to 1
Gas and Solid Content handling: Less than 10% of total volume
Certified Transmitter Models:  Certificate number IBExU09ATEX1151
Sonalok X 80 :  II 2G Ex de IIC T6 Ta -20°C ... +60°C
Sonalok X 80L:  II 2G Ex de IIB T6 Ta -20°C ... +60°C
Sonalok X 80P:  II 2G Ex de IIC T4 Ta -20°C ... +60°C
Sonalok X 80LP:  II 2G Ex de IIB T4 Ta -20°C ... +60°C
Sonalok X 80C24:  II 2G Ex de [ib] IIC T4 Ta -20°C ... +50°C 
Sonalok X 80LC24:  II 2G Ex de [ib] IIB T4 Ta -20°C ... +50°C




Standard Flow Meter Features

  • 110/240 VAC or 9/36 VDC
  • Wall Mount Die Cast Aluminium Enclosure (Optional Stainless Steel)
  • Standard Analog and Digital Outputs
  • Options Include
  • Additional Inputs/Outputs
  • Modbus
  • Hart
  • Math Functions (Thermal Energy Program)
EESIFLO 8000 Series Explosionproof Ultrasonic Flow Meter
EESIFLO 8000 Series Explosionproof Ultrasonic Flow Meter


Enclosure :

Field transmitter housing Degree of protection : IP 66

Operating temperature:

-10 ... 55 °C (14 ... 131 °F)

Housing material:

Powder coated Aluminium or Stainless Steel for offshore environments

Flow channels :

1 / optional 2

Power Supply:

100...240V AC/9...18VDC/

Display :

LCD, dot matrix with magnetic pen programming function

Enclosure dimensions (mm)

W140 x H310 x D260


ATEX Zones 1 and 2


Certified Transducers certificate number:


Sensor Model no:

EES M2N41 (Standard Offer)

Pipe Range:

(50) 100- 3000 mm Temperature -20 °C ... 120 °C (covers most applications)

Housing Material :

Stainless Steel /PEEK piezo sensor shoe

Degree of Protection:

IP 68 (Encapsulated) suitable for ATEX Zone 1,2


Special application sensors: EES K1N41, EES H1N43 / EES G1N43 EES H1N43 / EES G1N43 (consult EESIFLO)


Quantity and units of measurement:

Volumetric flow rate :

Metric/Imperial/SI units e.g m3/h, m3/min, m3/s, l/h, l/min, l/s, USgph, USgpm, USgps, bbl/d, bbl/min, bbl/s

Flow Velocity:

m/s, inch/s


g, kg, t

Serial Interface:

RS 485

EESIDATA (Windows software)

Instantaneous measured value, parameter set and configuration. Downloading of measured values/parameter set, graphical presentation, list format, export to third party software, on-line transfer of measured data

Process Outputs -

Galvanically isolated from main electronics


2 x 0/4 ... 20 mA; active


2 x 0-1 KHz or 0- 10 KHz (open collector)

Digital (pulse, status) :

2 x totaliser value 0.01 ... 1000 (open collector)