High precision leak detector

ST99 typeHigh precision leak detectorIn addition to overcoming the shortcomings of foreign products and absorbing their advantages, this instrument also has high sensitivity, good stability, fast response speed, easy operation, large movement range, and can quickly and accurately qualitatively and quantitatively detect circuit breakers, leakage points, and annual leakage rates. This instrument is a domestic gas leak detector with * level. The instrument is very suitable for use by power supply departments, installation and maintenance units, and power testing research institutes. It is also very suitable as a supporting instrument for SF6 electrical equipment import and export products in high-voltage switchgear factories, thereby improving the overall product level.

ST99 typeHigh precision leak detectorMain technical indicators:
1. The smallest detection value is 0.1 μ L/L
2. Detection scope:
0-30μL/L
0-150μL/L
0-400μL/L
3. Response time:<1 second
4. Recovery time: 10 seconds
5. Indication error: ≤± 3%
6. Repeatability: ≤ 1%
7. Stability:
Zero drift:<± 1%
Range drift:<± 1%
8. Indication method: Indication instrument display and sound and light signals
9. Gun detection length: 6 meters
10. Continuous working time: 3 hours
11. Instrument power supply: 220V 50Hz
12. Operating environment:
Temperature: 5-45 ℃
Relative humidity: ≤± 1%
13: Whole machine weight: 23 kilograms

Key Features:
1. Small size and light weight: As much as possible, lightweight raw materials should be used to compress the space and weight of the instrument, greatly reducing its volume and weight, making it easy to transport and carry.
2. Measure the length of the line segment, which can detect leakage points about 6 meters high and has a large range of movement.
3. High sensitivity: Optimized design is adopted in the circuit to reduce noise and electromagnetic interference, thereby improving sensitivity.
4. Wide measurement range and multi level switching: The instrument can detect the leakage amount of SF6 within the leakage rate range of SF6 switchgear, and can switch between multiple levels. The standard curve for each level is provided, and quantitative and qualitative leak detection can be performed.
5. High accuracy: The instrument is calibrated using * verification method, providing a highly accurate calibration curve, which improves the reliability of SF6 leak detection results and the accuracy of quantitative leak detection.
6. Intuitive display, sound and light alarm: using indicator instruments for display, it has a simple and intuitive effect. When SF6 is present, the instrument emits an audible and visual alarm.
7. Fast response speed and short recovery time: By adopting a new circuit structure, the instrument's response speed is accelerated and recovery time is shortened, which greatly facilitates on-site testing.
8. Built in self diagnosis function: This instrument has the function of monitoring its own working status.
9. Beautiful appearance: The instrument casing is packaged in aluminum alloy, and all button switches on the board are displayed by indicator lights.
10. Long usage time: The usage time can reach up to 3 hours. Very suitable for on-site SF6 high-voltage switchgear factories and research institutes.
11. Strong anti-interference ability: The instrument adopts a full range, eliminating external and internal interference.
12. High stability: The instrument has high power supply voltage stability, low temperature rise, low heat loss, and good thermal stability. During the usage time of the instrument, the zero drift and span drift of the instrument are small.
13. Good repeatability: The instrument has good repeatability in multiple measurements.
14. High reliability: The instrument circuit structure is reasonable; Imported components are used and strictly screened, in addition to overcurrent and short-circuit protection and electronic switch locks. Therefore, the average * time has significantly increased.