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HF-TC-631 Corrosive Sulfur Tester
Corrosive Sulfur Tester strictly follows IEC 62535 and ASTM D1275 standards. It conducts constant-temperature accelerated aging tests to detect corrosive sulfur inside transformer insulating oil, assess oil corrosion grade, prevent copper winding corrosion and copper sulfide deposition, so as to eliminate hidden insulation risks for oil-filled power transformers.
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This tester complies with standard DL/T 285—2012, adopting the insulated copper strip test method specified for detecting potential corrosive sulfur in mineral insulating oil. It is specially designed to measure corrosive sulfur content within mineral insulating oil used in all oil-filled electrical power equipment.
Technical Specifications
Performance Parameters
- Display: 3.5-inch color capacitive touch screen
- Heating Rate: Reaches 165°C within 10 minutes
- Sample Capacity: 6 holes / optional 28 holes
- Test Tube Volume: 20ml; inner neck diameter ≥12mm, equipped with silicone rubber sealing gasket and metal cap
- Cap Opening & Closing Pliers: For tightening and loosening metal caps of sample bottles
- Copper Strip: Made of T2 copper per GB/T 3952 standard; oxygen content ＜0.4% by mass, purity 99.9%. Complies with TBR type in GB/T 5584. Unvarnished copper strip: thickness 1~2mm, width 1~12mm, conforming to GB/T 5584.1
- Insulating Paper: In accordance with GB 7969; density: 0.79 ~ 0.859 g/cm³, thickness: 0.060 ~ 0.100 mm, air permeability: 0.59 m³/(Pa·s)~2 m³/(Pa·s), nitrogen content: 0%
- Temperature Control Range: Ambient temperature ~ 200°C (adjustable manually)
- Temperature Control Accuracy: ±0.5°C
- Timing Range: 0~96 hours (freely configurable)
Physical Parameters
- Overall Dimensions: 245mm × 163mm × 192mm (L×W×H)
- Weight: Main unit ＜ 2.5 kg
- Power Consumption: 400 W
Ambient & Operating Conditions
- Ambient Temperature: 5 ~ 40°C
- Relative Humidity: ≤85% (no condensation allowed)
- Power Supply: AC 220(±22)V, 50(±0.5)Hz
- Installation Requirements: No severe vibration or electromagnetic interference; avoid direct sunlight exposure
Packing List
| Serial No. | Item Name | Quantity | Unit | Notes |
|---|---|---|---|---|
| 1 | Main Instrument Host | 1 | Set | With 3.5-inch color touch screen |
| 2 | Standard Test Tubes (20ml) | 28 | Pcs | With silicone gaskets & metal caps |
| 3 | Copper Flat Test Strips (T2 Copper) | 1 Pack | Pack | Standard size for corrosion test |
| 4 | Specified Insulating Test Paper | 1 Pack | Pack | Compliant with GB 7969 standard |
| 5 | Cap Opening & Closing Pliers | 1 | Pc | For tightening/loosening bottle caps |
| 6 | Power Connection Cable | 1 | Pc | AC220V power cord |
| 7 | English & Chinese Operation Manual | 1 | Copy | Complete operation & parameter guide |
| 8 | Factory Calibration Certificate | 1 | Copy | Official quality certification document |
| 9 | Spare Silicone Sealing Gaskets | 1 Pack | Pack | Consumables for replacement |
| 10 | Shockproof Portable Packaging Case | 1 | Pc | For transportation protection |
FAQ | Corrosive Sulfur Tester for Transformer Insulating Oil
Q1: Which standard does this corrosive sulfur tester follow?
A: It strictly complies with DL/T 285—2012, adopting the insulated copper strip method to test potential corrosive sulfur in mineral transformer insulating oil, which is widely accepted for domestic and overseas power industry oil inspection.
Q2: How many oil samples can be tested at one time?
A: Two optional specifications: 6-hole standard version and 28-hole large-capacity version. Multiple groups of samples can be tested simultaneously to improve testing efficiency for batch inspection tasks.
Q3: What is the heating speed and temperature control accuracy?
A: The device can heat up to 165 °C within 10 minutes. Temperature control range is ambient ~ 200°C with high precision of ±0.5°C, stable enough for accelerated aging corrosion reaction.
Q4: How long can the testing time be set?
A: Timing range is adjustable from 0 to 96 hours freely, fully meeting the long-time constant temperature incubation requirement for corrosive sulfur assessment.
Q5: What materials are the test copper strips and insulating paper made of?
A: Copper strips are T2 high-purity copper (purity 99.9%) as required by national standards; matched insulating paper conforms to GB 7969, guaranteeing accurate and repeatable test results.
Q6: Is the operation interface easy to use for foreign technicians?
A: Equipped with a 3.5-inch color capacitive touch screen, simple touch operation. The menu can support bilingual Chinese & English switching upon request for overseas users.
Q7: What are the overall size and weight of the equipment?
A: Dimension: 245mm×163mm×192mm; host weight is less than 2.5kg, compact and lightweight, convenient for on-site substation mobile testing.
Q8: What are the applicable working environmental conditions?
A: Working temperature: 5~40℃, humidity ≤85% (no condensation). Avoid strong sunlight, severe vibration and electromagnetic interference during operation.
Q9: What accessories are delivered together with the machine?
A: Standard package includes test tubes, copper strips, insulating paper, cap opening pliers, power cord, operation manual, calibration certificate and spare sealing gaskets.
Q10: What hazards can this instrument help avoid for transformers?
A: It detects corrosive sulfide in oil in advance to prevent corrosion on transformer copper windings, avoid copper sulfide deposition, insulation deterioration and sudden transformer breakdown accidents.
Q11: Power supply and power consumption parameters?
A: Input power: AC 220V±10% , 50Hz; total power consumption is 400W, energy-saving and stable for long-time continuous operation.
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