Product Introduction
MOEORW-W385 shielding efficiency test device is special testing equipment for detecting shielding performance of live working shielding suits. It complies with national standard GB 6568.2-86 Test Method for Live Working Shielding Suits and power industry standard DL/T 976-2017 Preventive Test Procedures for Live Working Tools, Devices and Equipment, which can complete regular shielding efficiency detection of shielding suit fabrics. The device is essential testing equipment widely applied in power grid systems, shielding suit manufacturers and electric power research institutes. The whole set consists of operation test bench, 600V/50Hz sine voltage generator, test electrode assembly and digital millivoltmeter, with standardized electrode structure and complete testing workflow, which can accurately calculate fabric shielding efficiency automatically.
Product Parameter (specification)
1. Power Supply & Voltage Output
- Working power supply: AC 220V±10%, 50Hz
- Generator output voltage range: AC 0~600V, tolerance ±5% of indicated value
- Output waveform: 50Hz standard sine wave
- Output power: AC 300W
- Voltage display resolution: 0.1V
- Voltage measurement accuracy: Class 0.5
2. Electrode & Auxiliary Parts Technical Size & Material
Pressurized electrode
- Material: Brass
- Load resistance: 2MΩ
- Total weight: 3kg
Receiving electrode plate
- Material: Brass
- Size: Diameter 300mm, thickness 2mm, with wiring terminal
Rubber plate
- Diameter 400mm, thickness 5±0.5mm
- Shore hardness: 60~65 degrees
Insulation plate
- Material: Epoxy plate
- Diameter 400mm, thickness 5mm
Voltage measuring meter
Input impedance＞10MΩ, measuring range 0~600V, supports electrode load resistance detection
3. Test Sample & Environment Requirements
- Sample size: 180mm×180mm square fabric, 3 pieces per batch
- Sample pretreatment: Place under 23±2℃, 45%~55% RH environment for more than 24h
- Sampling rule: Cut at least 2m away from fabric roll end, 50mm from fabric edge, no obvious fabric defects on samples
Product feature
1.Standard-compliant Design Fully designed according to GB, DL/T high voltage and shielding suit test standards, electrode size, output voltage and test flow meet official inspection requirements, test data can be used for official inspection reports.
2.Integrated Complete Test Structure Equipped with full set of matched test electrodes (brass pressurized electrode, receiving electrode, rubber buffer plate, epoxy insulation base plate), fixed test tray with horizontal adjustment column, easy to assemble and align concentrically.
3.Automatic Calculation of Shielding Efficiency Built-in test algorithm, automatically collect reference voltage and induced shielding voltage, compute shielding efficiency (dB) without manual formula calculation; take average value of 3 samples as final test result.
4.High Precision Measurement Class 0.5 voltage measuring meter, 0.1V minimum display resolution, high input impedance measuring circuit, effectively avoid measurement interference and ensure stable test data repeatability.
5.Simple Operation & Stable Structure Integrated operation test bench, neat overall appearance; electrode placement and wiring steps are simplified, only ground wire and aviation signal plug need connection; built-in resistance detection function to check electrode 2MΩ load before test.
6.Complete Test Recording Standard Support complete test report recording including fabric model, sample info, environment condition, equipment info, test data, tester and date, fully meet power industry filing requirements.
Product Application
1.Power grid operation & maintenance departments: Regular preventive shielding efficiency test of live working shielding suits as required by DL/T 976-2017.
2.Protective clothing manufacturers: Factory incoming inspection, finished product delivery inspection of live working shielding suit fabrics.
3.Electric power research institutes & testing laboratories: Performance research, third-party inspection and certification of electromagnetic shielding clothing for high voltage live working.
4.High voltage safety detection institutions: Standard shielding performance testing for power live operation protective equipment.
Complete Set Accessories
|
Serial No. |
Name |
Quantity |
|
1 |
Main control host |
1 set |
|
2 |
Full set test electrode assembly & base device |
1 set |
|
3 |
Special test connecting wires & aviation signal cables |
1 set |
|
4 |
Official product operation manual |
1 copy |
|
5 |
Product qualification certificate + Warranty card |
1 copy each |
|
6 |
Factory delivery inspection test report |
1 copy |
FAQ
Q1: What is the warranty period of this equipment, and what about after-sales support?
A: The whole machine comes with a 1-year free factory warranty. Any failures or defective parts caused by product quality issues within the warranty period can be repaired or replaced free of charge. We provide lifelong technical support after the warranty expires, and original matching spare parts are available for long-term purchase. Our technical engineers are online anytime to solve your equipment faults.
Q2: What accessories are included in delivery? Can I start testing directly after receiving it?
A: The full set contains main unit, complete test electrode base assembly, special test cables, operation manual, certificate of conformity, warranty card and factory inspection report. No extra accessories need to be purchased separately. You only need simple assembly and wiring following the manual to carry out tests.
Q3: Is the equipment difficult to operate? Can new staff master it easily?
A: The test procedure is standardized with simple and clear operation steps. We provide printed operation manuals and operation guides. Remote online technical guidance is available after delivery, and staff with zero experience can independently complete the whole shielding efficiency test quickly.
Q4: Are the test data compliant with standards? Can they be used for inspection and filing?
A: The equipment is fully designed in accordance with national and power industry standards. Its electrode specifications, test procedures and calculation logic all meet official testing requirements. The test data is authentic and valid, and test records can be used for factory filing and preventive test archives of power grid departments.
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