Purpose of SF6 density relay

 

 

 

Y100 pointer type SF6 density relay is widely used in high voltage switch electrical industry. This product absorbs the advanced technology of the same industry at home and abroad, and has the unique advanced temperature compensation function. This product is used to test and control the SF6 gas density inside the high voltage switch and electrical equipment to ensure the normal operation of the equipment and prevent damage to the equipment when the SF6 gas leaks, so as to protect the equipment.

 

 

 

SF6 density relay working principle

 

 

 

Y100 pointer type SF6 density relay was SF6 gas pressure after temperature compensation to display the SF6 gas density, the product is in use within the temperature range of any temperature indication of the pressure of the pressure value is room temperature 20 ℃ (density) as filling the rated pressure of SF6 gas, SF6 gas is influenced by temperature stress values produce corresponding change, when the compensation for the temperature compensation device will change the value of the product, make its pressure value remains the same. Only when the SF6 gas leakage occurs, the pressure drops to the alarm pressure value, the instrument sends out an alarm signal, reminding the staff that the SF6 gas pressure inside the equipment drops, the pressure drops to the locking pressure value, the instrument sends out the locking signal, and the control mechanism will stop the operation of the equipment.

 

 

 

Main advantages of SF6 density relay:

 

 

 

1. All stainless steel products, beautiful appearance, small size.

 

 

 

2. Gold-plated contacts, high breaking power and low contact resistance.

 

 

 

3. The junction box adopts plug-in type, convenient connection, reliable and stable.

 

 

 

Main technical parameters of SF6 density relay

 

 

 

Measuring range

 

- 0.1-0.9 Mpa.

 

Precision grade

 

20 ℃ + 2 ℃ for 1.5 on the Richter scale are unlikely.

 

Overall dimensions

 

See the outline size diagram

 

Joint thread

 

M20*1.5. (available upon request)

 

Conditions of use

 

Ambient temperature: - 30-60 ℃, atmospheric pressure 86-106 kpa. Relative humidity: 95 or less.

 

Dielectric strength

 

AC2000V / 1 min 50 hz

 

Insulation resistance

 

Ω 20 m or less.

 

In a flat rate

 

Not greater than 10-15 mpam3 / s

 

Contact capacity

 

30VA. Working voltage: AC 380V.