SF6 Gas Density Monitor Type A60 with Adjustable Contacts

The gas density monitor is used where a specific density is needed to make a “stand alone” sealed system function according to the performance of the system.

During installation and filling of the system the temperature of the gas and the instrument should be almost equal.

Practical use of the monitor:

Sealed pressurised casings for high voltage switchgear, high power transformers and submerge power and telecommunication cables filled with gas i.e. SF6-gas.

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SF6 Gas Density Monitor Type A60 with Adjustable Contacts


Modified pressure gauge with Bourdon tube,

Build-in temperature compensation.

Accuracy: ± 1 % at 20 °C

Filling and working pressure as specified by



Nominal diameter: 100 mm gauge housing

Wetted parts : Cu-alloy

Contact system: Magnetic snap-action, ajustable.

Max. 3 alarm contacts. Mutual common or optinal separate circuits.

Contact material: Silfram W3O

Contact rating: 30W DC / 50 VA AC

Contact breaking: max 1 Amp.

Electrical connection:Terminal box at the side of housing

Cable gland M 20×1,5

Exterior cable diameter: 7 – 13 mm Traction-relief

Screw terminals acc. 1,5 mm2

Protection class: IP65

Presssure connection: ½” BSP

Bottom or back entry.

Pressure element: C-shape Bourdon tube

Burst pressure: 10 x nominal pressure

Leak tested: Helium, rate< 10-9 l/ sec Movement: Bimetal link Bearings in nickel silver Movements in Cu-alloys Housing: AISI 304 Glass: Polycarbonate Dial: Aluminum, graduation, numerals and colored sectors to specified by order. Filling: Dry or Polybutene’


-1 to 25 (60) bar, to be specified by order

± 2,5 % at –20 °C and 60 °C

Bar or Kg/cm2 as per order


Operating temperature:

-20 °C to 70°C

Storage temperature:

-30°C to 85 °C

Overall protection class:

IP 65

Calibrated within

-20 °C to 60 °C


Standard articles

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Single contact

(1 contact point)

Avaliable contact types:


Contact Function : Break


Contact Function : Close


Contact Function : Shift


Contact Function Separate Circuits : Break


Contact Function Separate Circuits : Close


Double contact

(2 contact points)

Avaliable contact types:


Shift contact

(2 contact points switch function)

Avaliable contact types:

KN and KM

Double contact

(2 contact pointers seperate Circuits)

Avaliable contact types:

KN and KM

Triple contact

(3 contact pointers)

Avaliable contact types:

KN and KM

Triple contact

(3 contact pointers)

Avaliable contact types:

KN and KM

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