Top Page > Product Information > Variable Flow Meter(Rotameter) > Reed Switch Flowmeters(for Alarm Switches)MODELS RK1970/RK1975/RK1976 SERIES
Variable Flow Meter(Rotameter)
- Reed Switch Flowmeters(for Alarm Switches)
MODELS RK1970/RK1975/RK1976 SERIES - The reed-switch rotameter products
The KOFLOC Reed-Switch Variable Area Flow Meter RK1970, RK1975 & RK1976 SERIES are small variable area flow meters with an electrical reed-switch for measuring fluids, designed with focus on low-cost, compactness and simplicity. 
KOFLOC Variable Area Flowmeter RK1970, RK1975 & RK1976 SERIES
Quick Review
• Low-price
The KOFLOC Reed-Switch Variable Area Flow RK1970, RK1975 & RK1976 SERIES are compact, simple and low in price. They can easily be accommodated on many equipment panels. The reed-switch provides a simple way to send off alarm signal at preset measurement value.
•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.
• Tri-Flat & Rib-Guide Flow-Tubes
KOFLOC leads the industry in tri-flat flow-tube (for flows between 5 ml/min to 500 ml/min) production with superior precision. The rib-guide flow-tubes are used for medium range flows between 1 l/min and 50 l/min.
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• Low-price
The KOFLOC Reed-Switch Variable Area Flow RK1970, RK1975 & RK1976 SERIES are compact, simple and low in price. They can easily be accommodated on many equipment panels. The reed-switch provides a simple way to send off alarm signal at preset measurement value.
•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.
• Tri-Flat & Rib-Guide Flow-Tubes
KOFLOC leads the industry in tri-flat flow-tube (for flows between 5 ml/min to 500 ml/min) production with superior precision. The rib-guide flow-tubes are used for medium range flows between 1 l/min and 50 l/min.
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Features
Applications
Standard Specifications and Length Designations
| Fluids | H2O and gases | ||
|---|---|---|---|
| Accuracy | FS±5% | ||
| Proof pressure | 0.5MPa standard | ||
| Materials | SUS316,SUS303, Pyrex,Viton | ||
| Available scale | 10:01 | ||
| Connection | Rc1/4 | ||
| Ambient temperature | 10-35°C(No bedewing) | ||
| - | |||
| Length designation code | H2O | Air(2) | Contact method |
| 15 | 0.1~1L/MIN | 3~30L/MIN | (A)Turns on when the flow rises over the set point. (B)Turn on when the flow goes down over the set point. |
| 0.3~3L/MIN | 10~100L/MIN | ||
| 0.5~5L/MIN | 15~150L/MIN | ||
| 20 | 0.3~3L/MIN | 10~100L/MIN | |
| 0.5~5L/MIN | 15~150L/MIN | ||
| Alarm setting range | 20-90%F.S. common for all fluids | ||
| Contact rating | AC100V/DC100V AC10VA/DC10W | ||
*Calibration conditions for the flow ranges above are at 20°C(atmospheric pressure)for air,and at 20°C(0.3MPa)for H2O.
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