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  9. Novus NP400 User manual

Novus NP400 User manual

NOVUS AUTOMATION 1/2
NP
400
RELATIVE PRESSURE TRANSMITTER
– INSTRUCTIONS MANUAL – V1.0x A
INTRODUCTION
The NP400 relative pressure transmitters are robust and reliable
equipment suitable for general industrial applications. They are
available in several measuring ranges and process connection
threads.
PRECAUTION
Before operating the transmitter, carefully read its specifications and
operating instructions. In case of damage caused by incorrect
operation or inappropriate usage, and its consequences, warranty
becomes ineffective and null.
A specialized professional shall perform the installation.
A specific electrical power supply network should be provided for
instruments use only.
UNPACKING
After unpacking the product, besides the transmitter it must be
available:
•A quick guide to installation and operation.
•A sealed electrical connector.
•A screw to fix the connector to the transmitter.
IDENTIFICATION
An identification label is attached to the equipment housing. On this
label, you can found detailed information about the transmitter.
Fig. 1 shows the identification label.
Fig. 1 – Transmitter identification
SPECIFICATIONS
Pressure Range:
0-2 / 0-5 / 0-10 / 0-20 / 0-50 / 0-100 bar (*)
Measurement Accuracy:
< ±0.5 % pressure range
< ±1.0 % pressure range for 0~100 bar model
Including linearity, hysteresis and repeatability, in 25 °C
Thermal Deviation Maximum:
< ± 0.06 % the span / °C
Overpressure Range:
Twice the pressure range upper value.
Rupture Pressure:
Three times the pressure range upper value.
Output Signal (Output):
Electric current, 4-20 mA, 2 wires.
Power Supply (Power):
10 to 33 Vdc
Maximum Load (RL):
RL= (Vdc - 10) / 0.02 (Ω)
Where: Vdc= Power supply voltage
Electrical Connection:
Connector for Type A valves (DIN EN 175301-803), IP65.
Conductor 1.5 mm² (max.) and cables between 6 and 8 mm in
diameter.
Operating Temperature:
-20 to 70 °C
Medium Temperature:
-20 to 100 °C
Dynamic Response:
< 30 ms
Process Connection (Thread):
¼ NPT; ½ NPT; ½ BSP (*)
Materials:
Metal housing of the transmitter:............................Stainless steel 316
Sensor:...............................................................Ceramic (Al2O396 %)
Sealing ring:...................................................................................FKM
Wetted parts:
Sensor (Ceramic), sealing ring (FKM) and metal connection
(stainless steel 316).
Compatibility:Any gas or liquid compatible with the constituent
materials of the wetted parts.
(*) Information available on the product identification label.
Pressure Transmitter NP400
NOVUS AUTOMATION 2/2
ELECTRICAL CONNECTIONS
Fig. 2 – Electrical connections
Installation recommendations
•The instruments must be powered from a dedicated
instrumentation power supply.
•It is strongly recommended to apply RC'S FILTERS (noise
suppressor) to contactor coils, solenoids, etc.
•To improve measurement stability, immunity and safety, it is
recommended to use system grounding.
DIMENSIONS
Fig. 3 – Transmitter dimensions
THREAD A (mm) B (mm) WEIGHT (g)
NPT ¼ 15.5 52.5 106
NPT ½ 20.0 57 159
BSP ½ 15.0 52 121
Table 1 – Transmitter thread type, dimensions and weight
WARRANTY
Warranty conditions are on our website
www.novusautomation.com/warranty.

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