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Product related to flow quantity
- Compact Readout Unit
MODEL CR-300 - The compact readout products
The KOFLOC Compact Readout Unit MODEL CR-300 is a convenient readout and power supply unit to be used in conjunction with a mass flow controller or meter, with focus on compactness, ease-of-use and simplicity.

The KOFLOC Compact Readout Unit MODEL CR-300
Quick Review
• Compact Dimensions + Remote Control
The KOFLOC Compact Readout Unit MODEL CR-300 has the standard 73 x 73 mm, small enough to fit into most existing control panel, with remote control terminals all grouped on the back panel.
•Standard Power Requirement
The power requirement of the KOFLOC Compact Readout Unit MODEL CR-300 runs on 100 VAC, providing power to a MFC/MFM at ±15 VDC (250 mA max.) with single cable.
• KOFLOC Dependability
KOFLOC has 60 years of experience in manufacturing precision flow instruments. KOFLOC products, both standard and off-catalog custom items are well received throughout Japan as the name that manifests confidence. KOFLOC, the fluid expert, is the name professionals trust in precision control of minute flow.
•Convenient functionality
The KOFLOC Compact Readout Unit MODEL CR-300 is equipped with a set of convenient functions including the locking mechanism to guard against erroneous or accidental operation, along with the set point control, forced valve open/close for a mass flow controller and zero-cutoff setting.
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• Compact Dimensions + Remote Control
The KOFLOC Compact Readout Unit MODEL CR-300 has the standard 73 x 73 mm, small enough to fit into most existing control panel, with remote control terminals all grouped on the back panel.
•Standard Power Requirement
The power requirement of the KOFLOC Compact Readout Unit MODEL CR-300 runs on 100 VAC, providing power to a MFC/MFM at ±15 VDC (250 mA max.) with single cable.
• KOFLOC Dependability
KOFLOC has 60 years of experience in manufacturing precision flow instruments. KOFLOC products, both standard and off-catalog custom items are well received throughout Japan as the name that manifests confidence. KOFLOC, the fluid expert, is the name professionals trust in precision control of minute flow.
•Convenient functionality
The KOFLOC Compact Readout Unit MODEL CR-300 is equipped with a set of convenient functions including the locking mechanism to guard against erroneous or accidental operation, along with the set point control, forced valve open/close for a mass flow controller and zero-cutoff setting.
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Features
CE mark
100 VAC
Compact dimensions
Remote control terminals
Easy maintenance
Multifunction
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100 VAC
Compact dimensions
Remote control terminals
Easy maintenance
Multifunction
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Standard Specifications
| Mass flow control | Flow setting, forced valve operation, and zero cut |
|---|---|
| Mass flow input/output | DC 0~5V |
| Mass flow supply power | ±15VDC(250mA) |
| Number of display digits | Momentary flows:4-digit display every 100 counts(100 to 2000) |
| Display accuracy | Within ±0.1%(within ±2 digits) |
| External control | Input terminal on the back panel for analog signals |
| Power consumption | Approx.25 VA |
| AC power supply | 85~132VAC 47~440Hz |
| Weight&Size | 350g W:73 × H:73 × D:119.5mm |





