The M-2111 Series Ultrasonic Flow Meter features 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 Ultrasonic Flow Meter is an ideal choice for use in the semiconductor industry where extreme cleanliness and anti-corrosiveness are required.
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
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
