Novus NP400 Bedienungsanleitung

NOVUS AUTOMATION 1/2

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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