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Brand Name : star meter
Model Number : CYW501AY
Place of Origin : china
Range : 0~1~40mH2O
Output : 4~20mA, RS485
Power supply : 9~28VDC, 15~24VDC
Accuracy : 0.1%FS, 0.25%FS
CYW501AY ceramic capacitance type input level transmitter shell is made of 316L stainless steel, the sensing core is made of ceramic capacitance measuring element, and the liquid-connecting part is made of ceramic material, which makes it have the characteristics of anti-stabbing, corrosion-resistant, high precision, high stability, and small blind zone. It can measure liquid, fluid or medium with particles. Explosion-proof function is optional.
| Measuring medium | Water (H2O), liquid or fluid (compatible with contact materials) | 
| Liquid level range | 0~1~40mH2O (see range selection table for details) | 
| Medium temperature | -40~60℃ | 
| Connection time | 20ms | 
| Stable performance | ±0.1% FS/year | 
| Liquid level overload | 200% full scale | 
| Temperature drift | ±0.01%FS/℃ (within temperature compensation range) ±0.05%FS/℃ (outside temperature compensation range) | 
| Temperature compensation | -20~80℃ | 
| Explosion-proof type | Intrinsically safe Ex ia ⅡC T6 Ga (4~20mA output only) | 
| Protection level | IP68 | 
| Accuracy level | 0.1%FS, 0.25%FS | 
| Response frequency | Analog signal output ≤30Hz Digital signal output ≤5Hz | 
| Resolution | Analog output 0.01%FS, digital output 0.05%FS | 
| Overall weight | Probe ≈ 220g Cable per meter ≈ 60g | 
| Output power supply | |
| 4~20mA | 9~28VDC, 15~24VDC (intrinsically safe) | 
| RS485 | 9~28VDC | 
| Maximum Power | |
| 4~20mA | ≤0.02Us(W) | 
| RS485 | ≤0.015Us(W) | 
| Load characteristics | |
| Current Type | Load ≤{(Us-7.5)÷0.02}Ω | 
| Environmental conditions | |
| Ambient temperature | -40~85℃ | 
| Ambient humidity | 0%~95%RH (no condensation, no condensation) | 
| Overall material | |
| Diaphragm | Al2O3 ceramics (contacting the measured medium) | 
| shell | 316L stainless steel (contacting the measured medium) | 
| Seals | Nitrile rubber, fluorine rubber (contacting the measured medium) | 
| Cables | XL03 polyurethane φ7.2 air-conducting cable (contacting the measured medium) | 
| Mechanical stability | |
| Vibration resistance | 10g (20…2000Hz) in accordance with IEC60068-2-6 standard | 
| Impact resistance | 500g/ms Comply with IEC60068-2-27 standard | 
| Electrical protection | |
| Short circuit protection | permanent | 
| Reverse polarity protection | No damage, but not working | 
| Insulation resistance | ≥100MΩ 500VDC | 
| Dielectric strength | 500VAC | 
| Output Limitation | |
| 4~20mA | 4mA~20mA | 
| RS485 | 0~2000 | 
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                        CYW501AY Ceramic Capacitor Type Submersible Level Transmitter Images |