WAFS - 104 / 105 Thermal Mass Flow Sensor
Full Digital Signal Processing for Higher Precision
and Better Stability
Thermal Mass Flow, Independent of Temperature andPressure
Change, Integrated Temperature MeasurementUltra-Wide 1:2500
Turndown Ratio, Measurement Rangefrom 0.1 Nm/s to 250 Nm/sFull
Electrical Isolation thoroughly Filter out Disturbance2.8"
Ultra-Wide Viewing Angle LCD with Capacitive Touch No Moving Parts,
Low Pressure DropOptional Data Logging, 10,000,000 Recording
PointsWith Bluetooth Function for Wireless Sensor Configurationand
Data Transmission
Standard RS485 Modbus RTU Interface and 4-20mAcurrent / pulse
Output
Insertion Type WAFS - 104:Suitable for DN20 to DN1000, can be
Installed Online through 1/2" Ball Valve under Pressure
Inline Type WAFS - 105:Pipe Size : DN15, DN20, DN32, DN40, DN50,
DN65, DN80Connection : R Thread, Flange EN1092-1 ,
ANSI/B16.5Measures Standard Flow, Mass Flow, Consumption and
Temperature
No Moving Parts, Stable Signal, Vibration Proof, High
Reliability, Long-Term Measurement Accuracy
Full Digital Signal Processing instead of Traditional Analog
Bridge Design, making the Flow Meter more Accurate and Capable of
Wider Measuring Range
2.8" Ultra - Wide Viewing Angle LCD with Capacitve Touch
2
Asia Regional Office Europe Regional Office
www.systel.asia
Pilestraede 58, 1112 CopenhagenDenmark. Ph : +45 36990422
[email protected]
Authorised Distributors Of :
Flow Range
Accuracy
Sample Rate
Reference Cond
Analog (Standard)
Digital (Standard)
Wireless
Connector
Process Conn
EMC
Op. Temp
Medium Temp
Op. Pressure
Display
Data Logger
Input
0(0.1) … 250 Nm/s
±(1% reading + 0.3% Full Scale)
Sample Rate
20°C, 1 bar(a) - ISO 1217 (Programmable）
4…20 mA (Isolated) / Pulse Output
RS485, MODBUS RTU Protocol
Bluetooth (Standard), Lora (Option)
2 x 5 - pin M12，Female
G1/2” (ISO 228-1)
According to IEC 61326-1
-30 … +70 °C
-40 … 150 °C
WAFS - 104 : 0…5.0 MPa (>1.6 MPa need
Installation Device)
WAFS - 105 : 1.6 MPa (Option:4.0 MPa)
2.8”LCD with Capacitive Touch Panel
10,000,000 Samples
18…30V / 5W
Measuring Range
Communication Output
Others
Operating Environment
Display / Data Logger
Power Supply
Technical Data WAFS - 104
WAFS - 104
WAFS - 105
2
Asia Regional Office Europe Regional Office
www.systel.asia
Pilestraede 58, 1112 CopenhagenDenmark. Ph : +45 36990422
[email protected]
Authorised Distributors Of :
WAFS - 104 / 105 Thermal Mass Flow Sensor
Flow Ranges WAFS - 104 Flow Ranges WAFS - 105
20253240506580100125150200250300
Min flow(cfm)
Max flow(cfm)
20253240506580100125150200250300
0.060.120.180.290.410.711.061.652.593.776.6510.4214.95
79124204319499843127819963120449379861247917970
166260425666104017572662416064999360166392599937439
1520253240506580
0.040.060.120.180.290.410.711.06
45791252043194998431278
DN DNID (mm) ID (mm)Min flow (cfm)WAFS-104 Std Range
Max flow (cfm)WAFS-104 High Range
Max flow (cfm)
1520253240506580
Ordering CodesWAFS - 104
A
WAFS - 105 A
B
B
C
D
E
F
Thermal Mass Flow Sensor Insertion Type 400mm
Shaft, 0 ..250 Nm/s with 2.8” IPS Wide Viewing
Angle LCD with Capacitive Touch Panel
Thermal Mass Flow Sensor Inline Type 0 - 16 Bar (g),
2.8” IPS Wide Viewing Angle LCD with Capacitive
Touch Panel, R Thread, DN 20, 3/4”
Thermal Mass Flow Sensor Inline Type 0 - 16 Bar (g),
2.8” IPS Wide Viewing Angle LCD with Capacitive
Touch Panel, R Thread, DN 25, 1”
Thermal Mass Flow Sensor Inline Type 0 - 16 Bar (g),
2.8” IPS Wide Viewing Angle LCD with Capacitive
Touch Panel, R Thread, DN 32, 1.25”
Thermal Mass Flow Sensor Inline Type 0 - 16 Bar (g),
2.8” IPS Wide Viewing Angle LCD with Capacitive
Touch Panel, R Thread, DN 40, 1.5”
Thermal Mass Flow Sensor Inline Type 0 - 16 Bar (g),
2.8” IPS Wide Viewing Angle LCD with Capacitive
Touch Panel, R Thread, DN 50, 2”
Thermal Mass Flow Sensor Inline Type 0 - 16 Bar
(g), 2.8” IPS Wide Viewing Angle LCD with
Capacitive Touch Panel, R Thread, DN 15, 1/2”
Thermal Mass Flow Sensor Insertion Type 250mm
Shaft, 0 ..250 Nm/s with 2.8” IPS Wide Viewing
Angle LCD with Capacitive Touch Panel
Thermal Mass Flow meters are Widely used in Industrial
Processes,
Chemical, Petrochemical, Power Engineering, etc.
Compressed Air Consumption Measurement.
Determination of Gas Leakage / Leakage Rate.
Gas Consumption Measurement of a Single Machine / Plant/
Process Gas Measurement, such as Nitrogen, Carbon Dioxide,
Oxygen, etc
Nitrogen Generator
Applications :
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