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| Customization: | Available |
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| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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| Model | ||||||
| QYB400-GH | Sanitary Pressure Transmitter | |||||
| Measuring media | ||||||
| Measurement of pressure in liquids, gases or vapours | ||||||
| Type of measurement | ||||||
| Gauge pressure measurement, absolute pressure measurement | ||||||
| Output | ||||||
| 4~20mA+HART | ||||||
| 4~20mA+RS485 | ||||||
| FF Fieldbus Protocol | ||||||
| Measurement range (the following is the gauge pressure range, absolute pressure range, please consult an engineer) | ||||||
| Range Code | Range | Overload | ||||
| 40k | -40KPa~40KPa | 1MPa | ||||
| 250k | -100KPa~250KPa | 2MPa | ||||
| 1M | -100KPa~1MPa | 4MPa | ||||
| 40M | 0~40MPa | 60MPa | ||||
| Nominal Size | Minimum Range | |||||
| DN25/DN32/DN40 | 10kPa | |||||
| DN50 | 6kPa | |||||
| Reference accuracy (including linearity from zero, backlash, repeatability) | ||||||
| ±0.05% | ±0.075% | ±0.1% | ||||
| Reference accuracy for adjustable ranges (up to 100:1) | ||||||
| If TD>10 (TD=maximum range/adjustment range), then yes: | ||||||
| ±(0.005×TD)% | ±(0.0075×TD)% | ±(0.01×TD)% | ||||
| Square root output accuracy 1.5 times the linear reference accuracy | ||||||
| Overpressure effect | ||||||
| ±0.05%*Span/10MPa | ||||||
| Long Term Stability | ||||||
| ±0.1%*Span/5 years | ||||||
| Power effect | ||||||
| 0.001%/10V(12~36)V DC, Negligible | ||||||
| Range Limit | ||||||
| Adjustable at will within the upper and lower limits of the range It is recommended to select a range code with the lowest possible range ratio to optimise the performance characteristics |
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| Zero Setting | ||||||
| Zero and range can be adjusted to any value within the measurement range in the table, as long as: calibration range ≥ minimum range | ||||||
| Mounting position effect | ||||||
| Changes in mounting position in the direction parallel to the diaphragm surface will not affect the zero point. If the mounting position is not parallel to the diaphragm surface, it can be corrected by adjusting the zero point. No range influence. Flange products must be zeroed after installation before use. | ||||||
| Insulation resistance | ||||||
| 100MΩ/100VDC | ||||||
| Response time | ||||||
| Damping time of electronic circuit parts: 0s~100s range adjustable; Damping time of sensing diaphragm box (sensing isolation diaphragm and silicone oil filling liquid): ≤ 0.2s; Power-on start-up time after power failure: ≤ 6s; Restore factory setting: ≤ 31s |
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| Ambient temperature | ||||||
| -40~+85ºC; -20~+70ºC(With LCD display, for seals) |
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| Alarm Current | ||||||
| Down line | 3.9mA | |||||
| Upper line | 22.8mA | |||||
| Supply Voltage | ||||||
| 12~33V DC | ||||||
| Digital communication load range:R=(Us-12V)/0.0228 Ω | ||||||
| 250~600Ω | ||||||
| Electromagnetic compatibility(EMC) | ||||||
| See Schedule of Electromagnetic Compatibility | ||||||
| Isolation diaphragm material | ||||||
| Stainless steel 316L | ||||||
| Hastelloy C-276 | ||||||
| Tantalum | ||||||
| Stainless steel 316L sprayed PTFE, pasted PTFE | ||||||
| Stainless steel 316L gold plated | ||||||
| Process Connection Materials | ||||||
| Stainless steel 304, 316L, Hastelloy, Monel optional | ||||||
| Nut and bolt material | ||||||
| Stainless steel (304), carbon steel zinc plated (12.8) | ||||||
| Transmitter housing material | ||||||
| Aluminium alloy body, polyurethane painted exterior | ||||||
| Stainless steel 304, 316 | ||||||
| Seal material | ||||||
| Nitrile rubber (NBR), fluorine rubber (FKM), polytetrafluoroethylene (PTFE) | ||||||
| Case Seals | ||||||
| Silicone Rubber | ||||||
| Filling fluid | ||||||
| Silicone oil, edible oil, fluorine oil | ||||||
| Electrical Connection | ||||||
| M20X1.5 or NPT1/2 female thread, standard with M20X15 nylon cable sealing buckle, suitable for wire diameter 6mm~8mm; optional metal explosion-proof connector. | ||||||
| Product weight | ||||||
| 6.2KG (DN80/PN16 flange product reference weight) | ||||||
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