Gas sampling device ZG 1.2.

Gas testing device ZG 3.1.

Reflux lock ZG 4.1.

Test pumps

Oil sampling device ZG 6.1.

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.

Accessories

Lockable box for gas sampling device ZG 1.2.

Sight glass cover for gas sampling device ZG 1.2.

Technical data

Parameter	Data	Notes
Gas outlet opening	G 1/8"	Others on request
Oil outlet opening	G 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 mm^²/s to 1100 mm^²/s
Weight without piping	2,2 kg
Dimensions of pipe	Ø 6 × 1 copper pipe
Length of pipe	max. 25 m	As requested by customer
Casing colour	Powder coating	On polyester resin basis

Options

Casing colour

Explanation	Code
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

Equipment

Explanation	Code
Metal plate	15

Insulating liquid

Explanation	Code
Insulating liquid silicone oil	20
Insulating liquid based on ester	21

Climate-proof version

Explanation	Code
Climate-proof version for extreme frigid open-air conditions below - 40 °C	34
Climate-proof version for offshore	36
Climate-proof version for aggressive industrial atmosphere	36B