Gas sampling device ZG 1.2.

The gas sampling device allows sampling of the relay gas at normal operating level. It is mounted on the transformer and connected to the Buchholz relay by means of a pipe.


The gas sampling device is provided additionally with a sightglass cover. The length of the pipe can be selected by the customer. The device can be delivered with a lockable box.


Technical data

Gas outlet openingG 1/8"Others on request
Oil outlet openingG 1/8"Others on request
Temperature range:
  • Ambient temperature

    - 40 °C to +55 °C
    - 40 °F to +131 °F

    Others on request

    Temperature range:

    • Operating range
      • Temperature of the insulating liquid

    - 40 °C to +115 °C
    - 40 °F to +239 °F

    Temperature range:

    • Operating range
      • Viscosity of the insulating liquid

    1 mm²/s to 1100 mm²/s

    Weight without piping2,2 kg 
    Dimensions of pipeØ 6 × 1 copper pipe 
    Length of pipemax. 25 mAs requested by customer
    Casing colourPowder coatingOn polyester resin basis



    Casing colour

    Casing colour RAL 7001 (silver-grey)41
    Casing colour RAL 7033 (cement-grey)44
    Casing colour RAL 7038 (agate-grey)45
    Casing colour RAL 7035 (light-grey)46
    Casing colour RAL 9002 (grey-white)48
    Casing colour RAL 7032 (siliceous-grey)49



    Metal plate15

    Climate-proof version

    Climate-proof version for extreme frigid open-air conditions below - 40 °C34
    Climate-proof version for offshore36
    Climate-proof version for aggressive industrial atmosphere36B


    Insulating liquid

    Insulating liquid silicone oil20
    Insulating liquid based on ester21


    Special request

    Special request (on special agreement with customer)29



    Without Box0
    With Box1



    Please contact us! We are glad to advise you and help with your selection.

    Otto-von-Guericke-Allee 12
    39179 Barleben
    Phone +49 (0) 392 03 / 79 - 0
    Fax +49 (0) 392 03 / 53 30

    Ordering data/Type code

    Explanations of the ordering key you find here.

    Operating instructions