1. In the gas leak detection of SF6 electrical equipment, we are most concerned about finding the leak and fault point.
2. The main functions of Ultra High Sensitivity SF6 Trace Gas Leak Detector is----it can detect and alarm SF6 gas leakage of Circuit Breaker, GIS, Transformer and other equipment, and track and locate the leakage quickly.
3. Qualitative detection and high-precision quantitative detectionare usually used in SF6 leakage detection in power industry. Qualitative detection can be divided into the following two methods:
1) Hand-held qualitative leak detection: Hand-held qualitative leak detection as a means of judging SF6 gas leakage of high-voltage switchgear, can only be used as a quantitative leak detection; Handheld qualitative leak detection can not locate the leak point, and will be disturbed by other fumes on the spot to produce false alarms, which has little practical significance in the actual leak detection work.
2) Imaging leak detector: mainly using infrared imaging or laser imaging principle, its greatest feature is that it can carry out non-contact long-distance detection, mainly suitable for daily inspection of SF6 operating equipment. Imaging leak detection can only locate the leaking fault point of SF6 equipment which has a large single point leak (the leak must reach its imaging accuracy range). For the same SF6 equipment, there are multiple leak points and the single point leak can not reach the imaging range, it also can not play the role of imaging conditions and judging whether the leak or not.
Ø Q200,Ultra High Sensitivity SF6 Trace Gas Leak Detector,as the quantitative leak detector, as the main detection instrument of SF6 gas leakage of high-voltage switch, transformer and other SF6 equipment, has long been used by switch manufacturers,and various power operating units are used in the factory inspection, acceptance installation and daily leak detection of SF6 electrical equipment. Its high sensitivity (10-8 mL/S (0.01 PPM) and stability make up for the inadequacy of imaging leak detector (accuracy 10-3 mL/S (1000PPM) which can not locate the single point leakage.
Ø Q200,as the Quantitative Leak Detection Instrument,is a high-precision and high-sensitivity leak detector for SF6 gas. Q200 uses SF6 special sensor. It is only sensitive to SF6 gas, and will not be disturbed by other gases in the working field, resulting in false alarm. The accuracy can reach 1X10-8mL/S (0.01PPM). It can quickly find the purpose of the fault point.
Ø Quantitative function of quantitative leak detector can quantify leak points detected on working site. Quantitative data can be printed out by RS232 demarcation connector. Some hidden trouble points can be recorded and filed, and the recorded hidden trouble points can be directly checked and repaired during maintenance.
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