ĐỒNG HỒ ĐO ÁP SUẤT DẠNG MÀNG WISE P771

P770 series are equipped with the specially designed dry type diaphragm. This special diaphragm offers a unique capability to use with all types of liquids, high-viscosity fluids, solids, and even corrosive chemicals. P770 is a perfect solution for a wide range of process industry such as Petro-chemical, environmental technology, offshore, mechanical engineering, power stations, and plant construction.

Nominal diameter: 100 and 160 mm

Accuracy: ±1.6% of full scale

Scale range:

0 ~ 1 kPa to 0 ~ 40 kPa (Flange 150 mm)

0 ~ 50 kPa to 0 ~ 2.5 MPa (Flange 100 mm)

Working pressure

Steady : Full scale value

Fluctuating : 90 % of full scale value

Over range protection

Overpressure safety 130 % of full scale value

Overpressure safety 500 % of full scale value, Max. 5 MPa (Option)

Option : Overpressure safety 500 % of full scale value, Max. 5 MPa

Working temperature

Ambient : -20 ~ 65 °C

Fluid : Max. 100 °C

Temperature effect: Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately

±0.8 % per 10 ℃ of full scale

Standard features

Upper flange (Gauge side)

Material : Stainless steel (304SS, 316SS)

Diaphragm material

≤ 40 kPa : Stainless steel (316Ti SS)

> 40 kPa : Duratherm 600

Pressure connection and under flange

Material : Stainless steel

(316SS, 316L SS, 304SS, 304L SS) and others

Lower screw and flange mount

Case: Stainless steel (304SS)

Cover: Stainless steel (304SS) Bayonet type

Window: Safety glass

Movement: Stainless steel

Dial: White aluminium with black graduations

Pointer: Black painted aluminium alloy

Option

External zero adjustable

Certificates

ATEX Ex II GD c IIC TX