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NP640

Product catalog summary

Overview: The NP640 is a relative pressure transmitter designed for versatile applications in harsh environments. It features a rangeability of up to 3:1, allowing configuration for up to one-third of the full scale. The device is loop-powered, operating on 11 to 33 Vdc, and includes internal protection against reverse polarity.

Specifications:

Pressure Ranges: 0-1 to 0-400 bar.
Sensor Features: Polysilicon Piezoresistive with silicone oil filling.
Material: 316 Stainless Steel for both wetted parts and housing.
Output Signal: 4 to 20 mA, compliant with NAMUR NE-43.
Accuracy: ± 0.25 % F.S.
Resolution: < 0.02 % F.S.
Thermal Deviation: < ±0.05 % of the maximum range per °C.
Dynamic Response: < 30 ms.
Over Pressure: 2 x F.S.
Process Connection: ¼ NPT, ½ NPT, G ¼, ½ BSP.
Electrical Connection: DIN 43650 / 175301-803 connector, form A.
Operating Temperature: -20 to 70 °C (-4 to 158 °F).
Ambient Temperature: -20 to 100 °C (-4 to 212 °F).
Protection Rating: IP65.
Approvals: CE, UKCA.

Configuration and Calibration: Configuration is facilitated via the TxConfig-USB-DIN43650 interface and the SigNow software, available for both Windows and Android. Users can set pressure units, configure output status in case of error, reverse output, and perform zero correction.

Key Features:

Entirely constructed from 316 Stainless Steel for durability.
High accuracy of 0.25 % F.S.
IP65 protection ensures resistance to water jets and dust.

Catalog excerpts

Relative Pressure Transmitter NP640 • Rangeability up to 1/3 of full scale • Produced entirely in 316 Stainless Steel • High accuracy 0.25 % F.S. • Configuration via SigNow software and TxConfig-USB-DIN43650 interface The rangeability of the NP640 pressure transmitter brings versatility to the product, whose transmission ranges can be configured for up to 1/3 of full scale. Ideal for harsh environments, NP640 has IP65 protection index, which ensures protection against water jets and dust. Through the TxConfig-USB-DIN43650 interface and the free SigNow software, it is possible to configure the ranges of the NP640 line pressure transmitters in the unit of your preference: bar, mbar, MPa, kPa, kgf/m², kgf/cm², atm, mH2O, or psi. In addition, it is possible to set the status of the output in case of error (minimum or maximum), configure the reverse output (20 to 4 mA), and perform zero correction. MOBILE AND PC SOFTWARE CONFIGURATOR Technical Specifications Pressure Ranges Dynamic Response Over Pressure Process Connection Sensor Features Polysilicon Piezoresistive (silicone oil filled) Electrical Connection Wetted Parts Operating Temperature Housing Material Ambient Temperature Output Signal Protection Rating Communication Interface SigNow for Windows: Available at www.novusautomation.com/en/signow Power Supply Internal protection against reversal polarity of voltage supply Thermal Deviation SigNow for Android: Available at Google Play

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