100mm Lower Back Density Monitor Indicator SF6 Gauge Sensor

100mm Lower Back Density Monitor Indicator SF6 Gauge Sensor
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Product Details


SF6 Density Monitors are an economical and reliable way to monitor SF6 gas density and leakage over a wide temperature range.

These instruments are used to monitor SF6 gas density in sealed tanks. They are applied to indicate gas density and to provide a signal outputs when the density reaches preset threshold values. They are designed to monitor Medium Voltage systems.

Nominal size:


Scale range:

-1 to 1 bar (customized)


20℃: Class 1.0 or 1.6; -20℃ to +60℃: Class 2.5; -30℃ to -20℃: Class 3.0

Degree of protection:


Ambient conditions:

-30℃ to +60℃

Leakage rate:

< 1*10-9 Pa.m3/s (Helium mass spectrometer)

Pressure connector:

G1/2’’, NPT 1/2’’ (customized)


lower back

Electrical connection:

Compact pluggable box with M20*1.5 cable gland

Cable size:

1.5mm; 2 recommended; 2.5mm maximum

Insulation properties:

Insulation resistance >100 MΩ (500V 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

Contact ratings:

30W/50VA, 1A max; 220VDC/380V 50/60Hz max


Safety glass




*Up to 3 magnetic snap action contacts

*Liquid filling

*Wide temperature range -60°C to +60°C

*Compensation for SF6 gas mixtures

*Density sensor with serial output