General

FAHM Co. ULM84 Series is a fixed mounted, Ultrasonic Level Transmitter with Fix-in the air and used for non-invasive measurement.

سطح سنج اولتراسونیک سری ULM-83

Our microprocessor based, user friendly, field programmable level measurement technique allows no interruption of the process Level and has low installation costs.

 

 

Features

  • Simple set-up and operation

  • Fast & simple to install & configure

  • Loop-powered 4-20 mA output with HART signal

  • Low cost of installation & commissioning

  • Non-contact level measurement

  • Exclusive sensor for level transmitter

  • Response time less than 2 second

 

 

Specification

Measuring Principle

Process Temperature

Ultrasonic Level Measurement

-20~85 oC (Standard), -40~100 oC (Optional)

Measuring Range

Process Pressure

0-5 m, 0-10 m, 0-15 m, 20 m

-0.8~2.0 bar

Dead Band

Power Supply

35, 50, 60 and 80 Cm for above Ranges Respectively

14-36 VDC

Display

Power Consumption

4 Line LCD with Bar graph (illumination)

Less than 1W

Resolution

Output

1 mm

4–20 mA (Standard), 4–20 mA with Digital Signal Based on HART Protocol (Optional)

Accuracy

+/-0.25% of Full Scale

Load

Repeatability

Rohm= (VDC-14) * 50 Ω 

+/-0.1% of Reading

Alarm (Programmable Transistor Output)

Sensor Head Materials

High-High, High, Low, Low-Low

Polyurethane, ETFE, PTFE

Temperature Compensation

Housing

Built-in to compensate over temperature

Plastic, Die-Cast Aluminum, Explosion Proof (IP 67)

Data Storage

Update Time

Operation parameters and Configuration

< 2 s

Installation

Ambient Temperature

G1.5" for Range 5 meter, G2" for Other Ranges (Standard), Flange and Bracket (Optional)

-20~85 oC

Relative Humidity

Dimensions

0-100% RH

157 mm (W) * 282 mm (H) * 126.5 mm (D)

Sensor Frequency

 

50, 40 and 25 kHz

 

Blanking Distance

 

0.35-0.8 m

 

Beam Angle

 

11o

 

Start-up current

 

3.6 mA

 

 

ULM84
ULM84

Ultrasonic Level Meter

ULM-84 Series