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M-2111 Ultrasonic Flow Meter

The M-2111 Series flow detector has non-contact transducers and a PFA flow tube design without dead pockets. Its advanced signal converter with DSP electronics offers unmatched flow measurement capabilities even in tough applications. The M-2111 is an ideal choice for use in the semiconductor industry where extreme cleanliness and anti-corrosiveness are required.
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The M-2111 Series flow detector has non-contact transducers and a PFA flow tube design without dead pockets. Its advanced signal converter with DSP electronics offers unmatched flow measurement capabilities even in tough applications. The M-2111 is an ideal choice for use in the semiconductor industry where extreme cleanliness and anti-corrosiveness are required.

Features:

  • Accuracy ± 1% of reading
  • Repeatability ± 0.5% of reading
  • All wetted parts made of New PFA (AP-211SH)
  • Contamination free from ions or particles
  • Corrosion resistant, no metal parts
  • Wide rangeability of 100:1 (Typical)
  • Easy installation with compact meter body
  • Low flow measurements down to 2 mL/min
  • Measures viscous fluids
  • Ease of parameter configuration through front panel LCD and Keypad, or PC communication software

This product is protected by U.S. and International patents. See Malema's list of patents for more information.

The M-2111 Series flow detector has non-contact transducers and a PFA flow tube design without dead pockets. Its advanced signal converter with DSP electronics offers unmatched flow measurement capabilities even in tough applications. The M-2111 is an ideal choice for use in the semiconductor industry where extreme cleanliness and anti-corrosiveness are required.

Features:

  • Accuracy ± 1% of reading
  • Repeatability ± 0.5% of reading
  • All wetted parts made of New PFA (AP-211SH)
  • Contamination free from ions or particles
  • Corrosion resistant, no metal parts
  • Wide rangeability of 100:1 (Typical)
  • Easy installation with compact meter body
  • Low flow measurements down to 2 mL/min
  • Measures viscous fluids
  • Ease of parameter configuration through front panel LCD and Keypad, or PC communication software

This product is protected by U.S. and International patents. See Malema's list of patents for more information.

Sensor Material Specifications

 

Housing (Size 10 / 15 / 20)

PTFE

Wetted Parts, Body / Tube

PFA / PFA

End Cap (Size 04 / 06)

PP

Cable Fitting

PP

Cable Jacket

PVC

Sensor Specifications

 

Speed of Sound in Fluid

1000 to 2200 m/s

Fluid Temperature*

10 C to 60 C

Fluid Pressure

0 to 70 psig

Fluid Kinematic Viscosity*

0.5 x 10-6 m2/s to 4.5 x 10-5 m2/s

Enclosure Classification

IP65

Signal Converter Specifications

USC-B01 (without display) & USC-D01 (with display)

Input Power

24 Vdc ± 10%

Power Consumption

3.3 W Max. Approx @ 140 mA (Continuous) Max. 200 mA, start-up current

Ambient Power

0°C to 50°C / 30 ~ 80 RH

Installation

DIN Rail Mounting

Enclosure Class

IP 20 (Indoor use)

Materials

USC-B01 - Polycarbonate

Weight

USC-B01 - 225 grams / USC-D01 - 530 grams

EMC

EN61326

Sensor Cable

Shielded twisted pair

Electrical Connection

Pluggable screw terminals, accepts 28 to 16 AWG wire

Analog Output

Current O/p:
Active: 4 to 20 mA (Max. Load < 900 ohms)
Passive: 4 to 20 mA (Max. Load < 1200 ohms @ 30 V max.)
Voltage O/p:
0 to 10 Vdc (min. impedance > 10 K)

Pulse Output

Open Collector (sinking)/Max. 30 Vdc, 200 mA max.
Pulse (Hz) - 10 KHz max., Configurable
Pulse (Volume) - Pulse weight from 0.1 mL to 1000000 Gallons,
Configurable

Digital Output

Open Collector / Max. 30 Vdc, 200 mA max.
two digital Output configurable for
Low flow rate/High flow rate/Totalizer greater than/Totalizer
less than/Signal strength less/Positive totalizer pulse
LED Alarm indication

Digital Input

Zeroing - Momentarily pull-up to 24Vdc for activation
Totalizer Reset - Contact closure or Vdc pull-up (5 Vdc max)

Low Flow Cut-off

Configurable

Linearization

Max. 14 points (Configurable)

Display (optional)

LCD: 2 line 16 digits alpha numeric (with backlight) with LED alarm
indication

Digital Communication

RS 485 and RS 232

*Please contact factory for custom solutions

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