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SF6 Gas Insulated Switchgear (GIS)
SF6 Insulated Circuit Breaks
SF6 Insulated Pole-Mounted Switch
SF6 Insulation Transformer
SF6 Insulation Mutual Inductor
SF6 Insulated Busbar Systems
Measurement accuracy is higher with the temperature compensator
Suitable for indoor or outdoor use
Hermetically sealed case of stainless steel AISI 304
AISI 316 gas contact parts
Specified values and signal outputs regardless of instal altitude
Design of an electric contact switch to accurately and stably monitor gas density function SF6
Multiple options, such as a pressure alarm, a double alarm or a two-way locking, can be implemented by up to four pairs of points of contact.
The overlapping dial design eliminates the cable's gap and prevents the sunlight from entering the metre on the compensation element.
| Nominal Size: | 100mm |
| Scale range: | -0.1 to 0.9MPa (customizable) |
| Accuracy: | (related to the measuring span; SF6 in gas phase) |
| a) 20°C: | Class 1.0 or 1.5 |
| b)-40°C to 60°C: | Class 2.5 |
| Degree of protection: | IP65 |
| Ambient conditions: | -40°C to 60°C，Relative humidity ≤ 95%RH |
| Leakage rate: | ≤ 1 × 10-9 Pa·m3/s (Helium mass spectrometer) |
| Pressure connection: | M20 × 1.5, (customizable) |
| Location: | Bottom or back |
| Electrical connection: | Compact pluggable box with M20 ×1.5 cable gland |
| cable size 1.5mm2 recommended, 2.5mm2 maximum | |
| Insulation properties: | |
| Insulation resistance: | >100 MW (500 V DC) |
| Withstand voltage: | 2kV, 50/60 Hz 1 min (to case) |
| Contact type: | Pointer driven magnetic snap action signal contacts; 80%Ag、20% Ni, 10µm Au plated |
| Impact rating: | 50g (oil-filled), 30g (non-oil-filled) |
| Contact ratings: | 30W/50VA, 1A max. |
| 220VDC/380V 50/60Hz max. | |
| Window: | Laminated safety glass |
| Weight: | 1kg |
| Pressure element: | Bowden tube |
Oil-filled
Full scale indication value 1.0 level
Power frequency withstand voltage 2.5kV, 50/60 Hz, 1min
Wide temperature range -60°C to +60°C
