Pressure transmitter SMP858-NSF mono silicon is the best hygienic pressure transmitter meticulously designed by LEEG Instrument, with the world’s most advanced silicon pressure sensor technology and patent encapsulation process.
Pressure transmitter SMP858-NSF adopts full isolation seal structure to eliminate the humidity effects, suitable for severe wet cleaning occasion; double diaphragm overload protection structure to achieve the highest overload pressure 24MPa, suitable for severe pressure overload situations; strong transient voltage resistance to meet the standards of level 4 (Differential mode voltage: 2000V, common-mode voltage: 4000V), suitable for severe surge voltage occasion; seven temperature regions, 20 linearity points and 160 pressure calibration points, suitable for severe temperature change occasion.
Those leading manufacturing technologies redefine the best quality of hygienic pressure transmitters.
Specification
Measuring range & limit |
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Nominal value | Smallest calibratable span | Lower range limit (LRL) | Upper range limit (URL) | Static pressure limit | High-pressure side overload limit | Low-pressure side overload limit* |
40kPa | 4Kpa | -40kPa | 40kPa | 10MPa | 10MPa | 10MPa |
250kPa | 25kPa | -250kPa | 250kPa | 10MPa | 10MPa | 500kPa |
1MPa | 100kPa | -500kPa | 1MPa | 10MPa | 10MPa | 500kPa |
Adjust requirements: | lower range value (LRV) and upper range value (URV) can be adjusted within the scope of the upper and lower range limit, when | URV | ≥ | LRV |, needs | URV | ≥ smallest calibratable span when | URV | ≤ | LRV |, needs | LRV | ≥ smallest calibratable span | |||||
The limit value of overpressure: | depends on the pressure value of the parts with the lowest pressure capacity | |||||
Standard specifications and reference conditions | ||||||
Test standard | GB/T28474 / IEC60770; Zero based-calibration span, silicon oil filling, 316L stainless steel isolated diaphragm, 4-20mA analog output. | |||||
Performance specifications | ||||||
he overall performance including but not limited to 【 reference accuracy 】, 【environment temperature effects】, 【static pressure effects】and other comprehensive error | ||||||
Typical accuracy | ±0.2%URL | |||||
Stability | ±0.2% URL/ 5 years | |||||
Reference accuracy | ||||||
Including linearity(BFSL), hysteresis and repeatability. calibration temperature: 20 °C ±5 °C |
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Linear output accuracy |
Td ≤10(note) | ±0.2%URL | Nominal value: 40kPa,250kPa 1MPa |
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Max value | ±0.5% URL | |||||
Square root output accuracy is 1.5 times linear output accuracy | ||||||
Note 1: TD is Turn down when | URV | ≥ | LRV | , TD=URL/ | URV | when | URV | ≤ | LRV | , TD=URL/ | LRV | |
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Ambient temperature effects | ||||||
Within the range -20-80°C total impact | ±(0.1+0.15TD)% URL | |||||
Static pressure effect | ||||||
Effect on zero | ±0.15TD % URL/4MPa | |||||
Effect on full scale | ±0.2% URL/4MPa | |||||
Power supply effects | ||||||
When the power supply voltage is within 10.5/16.5-55VDC, zero and span change should not more than ±0.005%URL/V | ||||||
Mounting position effects | ||||||
Install error less than 400Pa, which can be corrected by PV=0 reset. | ||||||
Vibration effects | ||||||
According to GB/T1827.3/IEC61298-3,<0.1% URL | ||||||
Output signal | ||||||
Two-wire 4-20 mA output with digital communications, linear or square root output programmable, HART protocol is superimposed on the 4-20mA signal. | ||||||
Damping time | ||||||
Total damping time constant: equal to the sum of damping time of amplifier and sensor capsule | ||||||
Damping time of amplifier: 0-100S adjustable | ||||||
Diaphragm capsule (isolated diaphragm and silicone oil filling) damping time: ≤0.2 |
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Startup after power off: ≤6S | ||||||
Normal services after data recovery: ≤31S | ||||||
Weight | ||||||
Net weight: about 2.4kg(Tri-Clamp process connection accessory, without mounting brackets) | ||||||
Power supply | ||||||
Items | Operating conditions | |||||
Standard/flameproof | 10.5-55VDC | |||||
HART protocol | 16.5-55VDC,communication load resistance 250Ω | |||||
Load resistance | 0-2119 Ω for working condition,250-600Ω for HART protocol | |||||
Transmission distance | <1000 meters | |||||
Power consumption | ≤500mW@24VDC,20.8mA |
Data Sheet LEEG SMP858-NSF Monosilicon differential pressure transmitter
untuk info product dan harga silahkan hubungi : sales@wmablog.com |