P-820
Description：
Just like the popular P-810 model, the P-820 is also widely used in semiconductor production. Models with reed switch type alarm contact are available。
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警报输出
| Model | P-821 | P-823 | |
| Fluid | Liquid,Gas(equivalent to water) | ||
| Function | Local indication Alarm output |
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| Measuring range (water) |
Min | 5 to 50 mL/min | 5 to 50 mL/min |
| Max | 0.4 to 2 L/min | 0.2 to 2 L/min | |
| Measuring range (air) |
Min | 0.5 to 5 mL/min(nor) | 5 to 50 mL/min(nor) |
| Max | 12 to 60 L/min(nor) | 6 to 60 L/min(nor) | |
| Process connection | Rc : 1/4(standard), 1/8 NPT : 1/4 , 1/8 SW : 1/4 , 3/8, 1/4 VCR : 1/4 , 3/8 |
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| Standard material | SCS14/SUS316 | ||
| Installation length | 115 mm | 224 mm | |
| Accuracy | ±5％ F.S. | ±3％ F.S. | |
| Alarm | UL-approved reed switch Optical alarm | ||
