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HF-TC-620 SF6 Gas Analyzer
SF6 Gas Analyzer is an all-in-one portable testing device dedicated to power substations. It accurately measures SF6 purity, dew point and various decomposition byproducts automatically. Equipped with touch screen, data storage and rechargeable battery, it enables efficient on-site maintenance of GIS and high-voltage circuit breakers.
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The SF6 Comprehensive Analyzer integrates the measurement of SF6 humidity, SF6 purity and SF6 decomposition products into one single device. It accomplishes detection of three key indicators in one on-site measurement, which originally required three separate instruments. This greatly reduces the amount of SF6 gas consumed, cuts down staff workload and improves overall working efficiency.
The superior performance of this SF6 gas tester is attributed to premium imported sensors worldwide: high-precision imported humidity sensors for moisture measurement, temperature-compensated thermal conductivity sensors for purity testing, and European imported sensors for decomposition product detection. Equipped with a color LCD screen, it displays all parameters in real time with fully automatic control, intuitive menu operation, massive data storage, built-in rechargeable battery, supporting both AC and DC power supply modes.
Features & Main Functions
- Automatic Calibration: The sensor probe performs automatic zero calibration, eliminating systematic errors caused by zero drift to ensure accurate measurements each time.
- Easy Operation: Large capacitive touch screen delivers straightforward, visual one-touch operation.
- Optional Pipeline Cleaning System: Automatically cleans internal pipelines after testing to boost testing speed and precision.
- Fast Startup: After entering measurement status, each fixed-point test takes roughly 3 minutes.
- Self-sealing Joints: Original imported self-locking air connectors ensure tight sealing without gas leakage.
- Data Storage: Large-capacity memory stores up to 999 groups of test records.
- Display Content: Directly shows micro-water (ppm), SF6 purity, SO₂, H₂S, CO, HF concentration, ambient temperature, ambient humidity, testing time & date.
- Built-in USB Port: Connects to PC for uploading all internal test data via supporting software to facilitate subsequent data analysis.
- High-Capacity Rechargeable Battery: Provides continuous working time over 8 hours after one full charge.
Technical Specifications
| Item | Parameter Details |
|---|---|
| SF6 Purity | Measuring Range: 0% ~ 100% Accuracy: ≤ ±0.5% FS Measurement Time: ＜ 2 mins |
| Dew Point | Measuring Range: -80 ℃ ~ +20 ℃ Accuracy: ±1 ℃ (-60 ℃ ~ +20 ℃) Response Time: 63% takes 5s, 90% takes 45s (-60℃ ~ +20℃) 63% takes 10s, 90% takes 240s (+20℃ ~ -60℃) |
| H₂S | Measuring Range: 0 ~ 200 ppm Minimum Detection Limit: ≤ 0.1 ppm Accuracy: ≤ ±3% Unit: PPM Repeatability: ≤ ±2% |
| SO₂ | Measuring Range: 0 ~ 200 ppm Minimum Detection Limit: ≤ 0.1 ppm Accuracy: ≤ ±3% Unit: PPM Repeatability: ≤ ±2% |
| CO | Measuring Range: 0 ~ 500 ppm Minimum Detection Limit: ≤ 1 ppm Accuracy: ≤ ±4% Unit: PPM Repeatability: ≤ ±2% |
| HF | Measuring Range: 0 ~ 50 ppm Minimum Detection Limit: ≤ 50 ppb Accuracy: ≤ ±2% Unit: PPM Repeatability: ≤ ±2% |
| Ambient Temperature | -20 ℃ ~ +60 ℃ |
| Ambient Humidity | 0 ~ 90% RH |
| Power Supply | AC 100~240V 50/60Hz; Built-in rechargeable battery |
| Battery Performance | Charging Time: 3 hours; Continuous Usage: ≥8 hours |
| Sample Gas Pressure | ≤ 1 MPa |
| Overall Dimensions | 300×148×260 mm |
| Net Weight | 7.8 kg |
Packing List：SF6 Gas Analyzer
| No. | Item Name | Quantity | Unit | Remarks |
|---|---|---|---|---|
| 1 | SF6 Comprehensive Gas Analyzer Main Unit | 1 | Set | Complete host machine |
| 2 | Inlet & Outlet Gas Sampling Hoses & Sealed Connectors | 1 | Set | Imported self-locking air joints |
| 3 | Power Adapter & Charging Cable | 1 | Pc | AC100-240V universal power supply |
| 4 | USB Data Transmission Cable | 1 | Pc | For data export to computer |
| 5 | Detailed English Operation Manual | 1 | Copy | Official user guide |
| 6 | Factory Calibration Certificate | 1 | Copy | Inspection calibration report |
| 7 | Shockproof Portable Aluminum Carry Case | 1 | Pc | For field transportation & storage |
| 8 | Spare Filter Elements & Sealing O-rings | 1 | Set | Consumable spare parts for replacement |
SF6 Gas Analyzer FAQ
Q1: What parameters can this SF6 Gas Analyzer test?
A: It can measure SF6 gas purity, dew point (moisture), and decomposition products including SO₂, H₂S, CO, HF all at once, to evaluate the overall health status of SF6 insulating gas in high-voltage equipment.
Q2: Is the instrument suitable for on-site substation field inspection?
A: Yes. Compact size and only 7.8kg weight, built-in rechargeable battery supports over 8 hours continuous working. It is perfectly designed for portable outdoor maintenance of GIS and circuit breakers.
Q3: Does the device support automatic calibration?
A: Definitely. The sensor probe features automatic zero calibration, which eliminates system drift errors effectively and ensures stable, accurate test results every time.
Q4: How many test records can the machine store?
A: The large-capacity memory can save up to 999 groups of test data, with timestamp, temperature and humidity information recorded for each test. You can export all data to PC via USB port for further analysis.
Q5: How long does a full set of gas detection take?
A: SF6 purity test takes less than 2 minutes, and the whole complete multi-parameter testing process is finished within 3 minutes efficiently.
Q6: What power supply modes does this analyzer adopt?
A: Dual power options: AC 100~240V universal mains power, and built-in lithium rechargeable battery. It can work both in laboratory and power outage field scenarios.
Q7: Are the sensors imported with reliable quality?
A: All core sensors are imported from Europe. High-precision humidity, thermal conductivity and electrochemical sensors guarantee long service life and excellent testing precision.
Q8: Does it come with a pipeline self-cleaning function?
A: Optional automatic pipeline cleaning system is available. It cleans the internal gas path after each test, avoiding cross-contamination and improving subsequent measurement accuracy.
Q9: What is the gas inlet pressure requirement for sampling?
A: The allowable sample gas pressure is ≤ 1MPa, which matches the standard gas outlet pressure of most SF6 electrical equipment in power grids.
Q10: Can I get after-sales technical support and spare parts?
A: We provide global after-sales service, one-year warranty for the whole machine, lifetime technical consultation and supply of replacement consumables such as filter cores and sealing rings.
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