Electrical contact type pressure gauge
with Cr plated Zn case

Type: P542, P543

 

Service intended

 

P542 and P543 series are designed for a local reading of measured pressure and equipped with the electrical contact block which allows all the combinations of contacts to be used. The contact block is mounted on the dial. The window is fitted with a knob for external adjustment of the set points. These are also designed to direct the leakage of insulating oil inside the electric cable.

 

Nominal diameter

 

100 and 150 mm

 

Accuracy

 

±1.0 % of full scale

 

Scale range (MPa, kPa, bar)

 

-0.1 ~ 0.6 MPa to -0.1 ~ 1 MPa
-0.1 ~ 0.3 MPa

 

Working pressure

 

Steady : 75 % of full scale value
Over range protection : 130% of full scale

 

Working temperature

 

Ambient : -40 ~ 65 °C
Fluid : Max. 100 °C

 

Degree of protection

 

EN60529/IEC529/IP67

 

Temperature effect

 

Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
±0.4 % per 10 ℃ of full scale

 

 

Standard features

 

Pressure connection

Stainless steel (316SS) Threaded entry, radial

 

Element

 

Stainless steel (316SS) C type bourdon tube

 

Case

 

Nickel plated zinc for 100 mm (P542)
Triple setpoint only 316SS 100 and 150 mm (P543)

 

Cover

 

Nickel plated zinc for 100 mm
Triple setpoint only 316SS 150 mm (P543)

 

Window

 

Safety glass

 

Movement

 

Stainless steel

 

Dial

 

White aluminium with black graduations

 

Pointer

 

BsT3 alloy, black painted pointer with gold plated

 

Contact

 

Contact : Dual set point or triple set point
Contact rating : AC 110 V, 0.5 A/AC 220 V, 0.25 A
Dielectric strength : AC 2,000 V/min insulation
Insulation resistance : More than 100 MΩ at DC 500 V

 

Process connection

 

⅜" PF

 

 

Download:  CATALOG 

Đồng hồ áp suất (tiếp điểm điện) P542 P543