Model HMK-100 Gas density monitor

Overview: Monitor SF6 gas density with the Model HMK-100. This reliable and accurate instrument is essential for ensuring the safe operation of high-voltage switchgear and other gas-insulated equipment. It features on-site and remote monitoring capabilities with alarms for leak detection.

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Applications

SF6 gas density monitors are devices used to measure the density of SF6 gas in high-voltage circuit breakers and other gas-insulated equipment. The monitor continuously measures the density of the gas and provides real-time data to the operator. This allows for early detection of gas leaks and helps to ensure the safe operation of the equipment.

Special Features

The pressure components, movement, and case are all made of stainless steel.
The bimetal temperature compensation mechanism ensures accurate density indication.
The contact device is a highly reliable gold-plated magnetic-assisted electrical contact.
Pressure sensing component is hydrogen arc welded, strictly leak-tested, and has reliable air tightness.

Specifications

Accuracy	1.6 (-20℃ to +60℃), 2.5 (-30℃ to +60℃)
Scale Range	-0. 1 MPa to 0.50 MPa, -0.1 MPa to 0.90 MPa, -0.1 MPa to 0.15 MPa
Ambient Temperature	-30 ℃ to +60 ℃
Protection	IP65
Pressure Element Gas-tight	Leak rate≤1*10^-9Pa.m³/s
Fill Liquid	Optional
Connection	Internal thread M201 5 G1/2, external thread M271.5
Maximum Working Voltage	380 V

Rated pressure (MPa)	Alarm pressure (MPa)	Shut-off pressure (MPa)	Rated pressure (MPa)	Alarm pressure (MPa)	Shut-off pressure (MPa)	Over pressure (MPa)
0.35	0.30	0.30	0.60	0.55	0.50
0.38	0.34	0.30	0.60	0.55	0.52
0.40	0.30	0.30	0.65	0.62	0.59
0.40	0.32	0.30	0.45	0.40	0.35
0.40	0.35	0.30	0.40	0.32/0.32	0.30	/
0.40	0.35	0.35	0.40	0.35	0.35	0.42
0.45	0.40	0.37	0.50	0.45/0.45	0.40	/
0.49	0.44	0.44	0.62	0.55	0.50	0.70
0.50	0.40	0.40
0.50	0.42	0.40
0.50	0.45	0.40

SF6 Gas Products

Model HMK-100 Gas density monitor

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