CÔNG TẮC ÁP SUẤT CHÊNH LỆCH BELLOWS ELEMENT P640

Dòng P640 được thiết kế để đo áp suất chênh lệch từ 25 kPa đến 2.0 MPa ở áp suất tĩnh 10 MPa và có tiếp xúc điện. Bao gồm hai ống thổi bằng thép không gỉ gắn bên trên giúp cân bằng lực cho phép thiết bị đọc trực tiếp áp suất chênh lệch thực tế.

Technical Description

 

Specifications

 

 

 

Nominal diameter

150 mm

Accuracy

±1.0 % of full scale
±1.5 % of full scale

Scale range (MPa, kPa, bar, mbar)

0 ~ 25 kPa to 0 ~ 0.25 MPa (P641 model)
0 ~ 0.4 MPa to 0 ~ 2.0 MPa (P642 model)

Static pressure

Max. 10 MPa

Working temperature

Ambient : -20 ~ 65 °C
Fluid : Max. 100 °C

Degree of protection

EN60529/IEC529/IP65

Temperature effect

Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.5 % per 10 ℃ of full scale

Pressure connection

Stainless steel (316L SS), Monel and Hastelloy-C

Element

Bellows
Stainless steel (316L SS), Monel and Hastelloy-C

Case and cover

ALDC12.1, Black painted Screwed type

Window

Safety glass

Dial

White aluminium with black graduations

Filling liquid for differential cell

Silicone oil

Pointer

Black painted aluminium alloy (Zero adjustable)

Contact

Contact rating : AC 250 V 3 A / 125 V 5 A
DC 250 V 0.2 A / 125 V 0.4 A / 30 V 4 A
Dielectric strength : AC 500 V / MIN
Type : Micro contact, One and two SPDT

Conduit connection

¾" PF(F)

Process connection

¼" NPT(F)
½" NPT(F) at 3-way and 5-way manifold valve

Standard accessories

Mounting bracket for 2" pipe
mounting with silver gray finished steel

Option

■ Remote seal - Not available with less than 40 kPa of differential pressure range
■ Mounting bracket with 316SS for 2" pipe
■ 3-way manifold valve (316SS, Monel)
■ 5-way manifold valve (316SS, Monel)

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