Novus NP400 Manual de usuario
NOVUS AUTOMATION 1/2
NP
400
RELATIVE PRESSURE TRANSMITTER
– INSTRUCTION MANUAL – V1.0x F
INTRODUCTION
NP400 positive relative pressure transmitters are robust and reliable
equipment suitable for general industrial applications. They are
available in several measurement ranges and process connection
modes.
PRECAUTION
Before operating the transmitter, carefully read its specifications and
operating instructions. In case of damage caused by incorrect
operation or inappropriate usage, warranty becomes null and void.
The installation must be carried out by a specialized professional.
The electronic instruments power supply must come from a proper
instrumentation network.
UNPACKING
When unpacking, in addition to the transmitter itself, you should find:
•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. 1shows the identification label:
Fig. 1 – Transmitter identification
SPECIFICATIONS
Reference Conditions:
Environment at 23 °C ± 3 °C, 24 V supply, 250 Ω load. Vertical
position (pressure connection is down).
Measurement Type:
Positive relative pressure.
Pressure Range:
Pressure
Transmitter Nominal
Pressure
Overpressure Burst Pressure
0.2 MPa
(2 bar / 29.01 psi)
0.24 MPa
(2.4 bar / 34.81 psi)
0.5 MPa
(5 bar / 72.52 psi)
0.5 MPa
(5 bar / 72.52 psi)
0.6 MPa
(6 bar / 87.02 psi)
1.25 MPa
(12.5 bar / 181.29 psi)
1 MPa
(10 bar / 145.04 psi)
1.2 MPa
(12 bar / 174.04 psi)
2.5 MPa
(25 bar / 362.59 psi)
1.6 MPa
(16 bar/ 232.06 psi)
2.4 MPa
(24 bar / 348.09 psi)
5 MPa
(50 bar / 725.19 psi)
2 MPa
(20 bar / 290.08 psi)
2.4 MPa
(24 bar / 348.09 psi)
6 MPa
(60 bar / 870.23 psi)
2.5 MPa
(25 bar / 362.59 psi)
3.6 MPa
(36 bar / 522.13 psi)
9 MPa
(90 bar / 1305,33 psi)
4 MPa
(40 bar / 580.15 psi)
4.8 MPa
(48 bar / 696.18 psi)
10 MPa
(100 bar / 1450,38 psi)
5 MPa
(50 bar / 725.19 psi)
6 MPa
(60 bar / 870.23 psi)
12,5 MPa
(125 bar / 1812,97 psi)
6 MPa
(60 bar / 870.23 psi)
12 MPa
(120 bar / 1740,45 psi)
20 MPa
(200 bar / 2900,75 psi)
10 MPa
(100 bar / 1450,38 psi)
12 MPa
(120 bar / 1740,45 psi)
20 MPa
(200 bar / 2900,75 psi)
16 MPa
(160 bar / 2320,60 psi)
24 MPa
(240 bar / 3480,91 psi)
35 MPa
(350 bar / 5076,32 psi)
25 MPa
(250 bar / 3625,94 psi)
36 MPa
(360 bar / 5221,36 psi)
45 MPa
(450 bar / 6526,69 psi)
40 MPa
(400 bar / 5801,51 psi)
48 MPa
(480 bar / 6961,81 psi)
55 MPa
(550 bar / 7977,07 psi)
Table 1 – Measurement ranges
Measurement Accuracy:
NP400 (< 50 bar) < ± 0.5 % FS Maximum Range (0.3 %
nonlinearity + 0.1 % hysteresis + 0.1 repeatability)
NP400 (>= 50 bar) < ± 1.0 % FS Maximum Range (0.8 %
nonlinearity + 0.1 % hysteresis + 0.1 repeatability)
Maximum Thermal Deviation:
< ± 0.06 % of Maximum Range / °C.
Including zero and span deviations.
NP400 Pressure Transmitter
NOVUS AUTOMATION 2/2
Influence of the Mounting Position:
< 0.001 % of Maximum Range / °C.
Output Signal (Output):
Electric current, 4-20 mA, 2 wires.
Maximum current < 21.5 mA.
Resolution:
< 0.1 % of Maximum Range.
Power Supply (Power):
11 to 33 Vdc
Maximum Load (RL):
RL = (Vdc - 11) / 20 mA (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 (-4 to 158 °F)
Medium Temperature:
-20 to 100 °C (-4 to 212 °F)
Storage Temperature:
-40 to 70 °C (-40 to 158 °F)
Dynamic Response:
< 1 ms
Process Connection (Thread):
¼ NPT; ½ NPT; ½ BSP; G ¼ (*)
Sensor Features:
Piezoresistive – Thick Film on Ceramics (Al2O396 %).
Metal housing of the Transmitter:
Stainless steel 316.
Wetted parts:
Sensor Ceramic, Al2O396 %.
Sealing Ring, FKM.
Metal Connection, stainless steel 316.
Compatibility: Any gas or liquid compatible with the constituent
materials of the wetted parts.
Certification: CE
(*) Information available on the product identification label.
Note: For models with process connection ½ BSP and G ¼, the
outer seals are manufactured with FKM.
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
Note: Previous versions (2020) have other measures.
THREAD
A (mm) B (mm) WEIGHT (g)
NPT ¼ 15.5 51.0 106
NPT ½ 20.0 56.5 159
BSP ½ 14.0 49.5 121
G ¼ 14.0 49.5 105
Table 2 – Transmitter thread type, dimensions, and weight
WARRANTY
Warranty conditions are on our website
www.novusautomation.com/warranty.
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