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Max. discharge capacity range: 30 – 130 mL/min
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The bleeding system takes gas and liquid out from the pump chamber. However, dosing capacity is kept setting volume due to feed back control with the flow signal.
When large volume of gas comes into the pump chamber, pump discharge capacity will be “zero” until bleeding the gas out. The feed back control increase pump operating speed, thus gas bleeding time will be in short time.
When the gas bleeding is completed, the pump discharge volume returns to the setting valve immediately by the feed back control with the flow signal.
Max. discharge capacity range | 30 – 110 mL/min |
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Max. discharge pressure | 0.7 – 1.0 MPa |
Main materials | PVC |
Stroke rate | 1 – 360 spm |
Power supply | 100 – 240 VAC 50/60 Hz |
Liquid temperature range | −10 – 40°C |
Viscous liquid | Please contact us for details. |
Slurry liquid | Can not be handled. |
Model | EWN-Y | ||
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Operational mode | Auto control | Feedback control | 0.1 – 999.9 mL/min 0.001 – 59.994 L/H 0.001 – 15.829 GPH |
EXT control | Analog rigid | 4 – 20, 20 – 4, 0 – 20, 20 – 0 mA proportional control to stroke rates | |
Analog variable | 2-point setting (Analog variable) (Proportional control to flow/stroke rates in the range of 0 – 20mA) |
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BATCH | 0.1 – 99999.9 mL 0.001 – 99.999 L 0.001 – 26.385 G |
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Input | Pulse signal input for batch control |
No voltage contact or open collector | |
Analogue | 0 – 20 mADC (Input resistance is 220Ω.) | ||
STOP/Pre-STOP (Level sensor) |
No voltage contact or open collector | ||
AUX | |||
Interlock | |||
Batch | |||
Output | OUT1 | No voltage contact (Mechanical relay), 250 VAC 3 A (Resistive load) Either the Signal recognition output, Control error, or Poor flow detection is selectable (default: STOP). |
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OUT2 | No voltage contact (PhotoMOS relay), AC/DC 24 V 0.1 A Either the Sensor signal output, Synchronous output, Signal recognition output, Control error or Poor flow detection is selectable. |
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Analogue | 4 – 20 mA DC (Allowable load resistance : 500 Ω) | ||
Data logging | Total flow volume Total number of strokes (1=1000 shots) Total number of signal outputs (OUT1) Total number of signal outputs (OUT2) Total power connection time Total operating time |
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Buffer memory | Nonvolatile memory | ||
Power voltage | 100 – 240 VAC 50/60 Hz |
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