Measuring object |
Liquids |
Min. Conductivity |
20 µS/cm |
Excitation |
Square wave |
Fluid temp. |
-5 to +90°C |
Fluid press. |
To be within the applicable flange limitation. |
Flow range |
Max. 0 to 33928 m3/h (Max. flow at 1000 mm size)
Min. 0 to 0.531 m3/h (Min. flow at 25 mm size) |
Flow velocity range |
Max. 0 to 12 m/s
Max. 0 to 0.3 m/s |
Nominal size |
25, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 450,
500, 600, 700, 800, 900, and 1000 mm
(For size over 1000 mm, consult TOKYO KEISO.) |
Process connection
(Flange type) |
Equiv. to JIS 10K
Option: |
JIS 20K, ANSI 150/300, DIN PN 10/16/25/40 |
|
Wetted part material |
Liner: |
Polypropylene (Size: 25 to 150 mm, Option: Hard rubber)
Hard rubber (Size: 200 to 1000 mm) |
Electrode: |
Hastelloy®C4
Option: Stainless steal (SS316) |
(Option)
Earth ring:Stainless steal (SS316) |
Meter body material |
Measuring tube: |
Stainless steal (SS304) |
Detector part: |
Carbon steel*
Option: Stainless steal (SS304) |
Flange: |
Carbon steel*
Option: Stainless steal (SS304) |
Converter: Aluminum alloy*
*Anti-corrosive painting |
Measuring accuracy |
Indication and Pulse output:
|
For velocity0.33 m/s: |
±0.5% of reading |
|
For velocity<0.33 m/s: |
±0.2% of reading +velocity error of ±0.001 m/s |
Current output: |
Additional error of ±0.01 mA to be added onto above pulse output accuracy |
|
Indicator |
Blue dot matrix LCD with backlight, 128×64 pixel
1, 2 or 3 lines |
Indication contents |
Flow rate, flow velocity, total flow volume, conductivity, coil temperature, self- diagnosis result, setting menu, etc. |
Data setting |
By Infrared touch sensor without opening the front cover. |
Output |
Current output: |
4 to 20 mA DC |
Pulse output / Status output: |
Open collector output |
Low cut off: |
0.0 to 20.0% |
Time constant: |
0.0 to 100.0 s adjustable |
Isolation of input and output |
Control input |
High: 19 to 32 V DC
Low: 0 to 2.5 V DC |
Other functions |
Arbitrary setting of unit, automatic zero adjustment, bi-directional flow measurement, double measurement, switching of excitation current frequency, memory save for power fail, simulating output of flow rate, setting of touch sensor, and HART communication
Self-diagnosis (Empty detection, disconnection of coil, output connection, internal error, detection of power failure, output over ranged, and total counter overflow) |
Power supply |
100 to 230 V AC (85 to 250 V AC)
24 V DC (9 to 31 V)
( ) indicates voltage range. |
Protection class |
IP66/67(IEC 60529) |