4" magnetic snap-action contact

4" magnetic snap-action contact

Product Description

    Model:PRE4

  • Pressure gauge with magnetic snap-action contact with the features of anti-burn and anti-weld, the contact point with gold plated antioxidant
  • Snap-action contact pressure gauge available of small contact resistance, magnetic adjustment for special conditions

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Product display-back mount

Product display-side junction box

Product Specification

Nominal size in inch

4"

Measuring range

-30 in Hg~1000kg/cm2

-76 cm Hg~1000kg/cm2

Accuracy

CL 1.6

Thread size

1/2"NPT

Thread material

316 stainless steel

Case

304 stainless steel

Pointer

Black aluminum alloy sheet

Window

PC

Contact point

Silver nickel alloy with gold plated

Movement

304 stainless steel

Bourdon Tube

316 stainless steel

Terminal type

Cable terminal box or flying lead

Permissible temperature

Ambient: -20°C~70°C

Medium: -20°C~150°C

Common pressure limit

Stable pressure, maximum pressure x3/4

Change pressure, maximum pressure x2/3

Contact type

Single contact N.O. 

Single contact N.C. 

Double contacts N.O.x2 (3-wire or 4-wire)

Double contacts N.O.+N.C. (3-wire or 4-wire) 

Double contacts N.C.x2

Electrical contact specification

Maximum voltage: 380V (MAX.) 

Maximum load: 30W~30VA (MAX.) 

Ambient operating temperature: -20°C ~ 70°C 

Make rating: 1.0A (MAX.) 

Continuous load : 0.6A (MAX.) 

Switching voltage: 24V (Min.)

 


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