Star Sensor Manufacturing Co., Ltd
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CYW71CY Anti Corrosion Submersible Level Transmitter Chemical monitoring Chemical plants Corrosive liquids
The CYW71CY anticorrosion-resistant submersible level transmitter features a ceramic core and a PVDF probe housing for measuring corrosive liquids. A variety of explosion-proof types are available, with and without display.
| Base parameters | |
| Measuring medium | Liquids compatible with contact materials |
| Measuring range | 0~20~200kPa(see range selection table for details) |
| Media temperature | -40～60℃ |
| Response frequency | Analog signal output≤ 50Hz, digital signal output ≤5Hz |
| Overload capacity | 150% full scale |
| Accuracy class | 0.5%FS (reference conditions: temperature 15~25°C, atmospheric pressure 86~106kPa, humidity 45~75%RH) |
| Ex type | Flameproof Ex db II.C T6 Gb Flameproof Dust Type Ex tb IIIC T80°C Db Intrinsically Safe Ex ia II.C T6 Ga (4~20mA output only) Dust Intrinsically Safe Ex iaD 20 T80°C (4~20mA output only)
Note: Intrinsically safe must be powered by a safety barrier or intrinsically safe power supply |
| Stable performance | ±0.2% FS/year |
| Temperature drift | ±0.02%FS/℃ |
| Degree of protection | Probe IP68 junction box IP66 |
| Overall weight | No display≈ 1.25kg with display≈1.4kg probe≈ 216g cable ≈ 67g per meter |
| On-time | 20ms |
| Resolution | Analog output 0.01%FS, digital output 0.05%FS |
| Output power | |
| 4~20mA | No display: 9~28VDC, with display: 5~28VDC, intrinsically safe: 15~24VDC |
| RS485 | With / without display: 9~28VDC |
| Maximum power | |
| 4~20mA | Yes/No Display≤0.02Us(W) |
| RS485 | With display: ≤0.02Us(W), No display: ≤0.015Us(W) |
| Load characteristics | |
| Current type | No display load≤{(US-7.5)÷0.02}Ω with display load≤{(US-12)÷0.02}Ω (US=supply voltage) |
| Environmental conditions | |
| Ambient temperature | -40～85℃ |
| Ambient humidity | 0%~95%RH(no condensation, no condensation) |
| Overall material | |
| Diaphragm | Ceramics (contact with the medium to be measured) |
| Probe housing | PVDF polyvinylidene fluoride (contact with the medium to be measured) |
| Seals | Viton (in contact with the medium to be measured) |
| Junction box | Die-cast aluminum |
| Cable | Tetrafluoroφ7.2 gas conduction cable (contact with the measured medium) |
| Mechanical stability | |
| Seismic performance | 10g(20… 2000Hz) in accordance with IEC60068-2-6 standard |
| Impact resistance | 500g/ms complies with IEC60068-2-27 standard |
| Electrical protection | |
| Short-circuit protection | perpetual |
| Anti-polarity protection | No damage, but not working |
| Insulation resistance | ≥100MΩ,500VDC |
| Dielectric strength | 500VAC |
| Output limits | |
| 4-20mA | Output min. 4mA, output max 20mA |
| RS485 | Output minimum 0, output maximum 2000 |