Tracking indices of solid insulating materials Test Machine ,IEC60112
Introduction
This tester is in accordance with IEC60112 standard . It is suitable for lighting, low voltage electrical equipment, household appliances, electrical machines, motors, power tools, electronic equipment , electrical instruments. It also applies for insulation, plastic, electrical connectors, accessories industry. Method for the determination of the proof and the comparative tracking indices of solid insulating materials . It is simple, accurate, reliable, and practical features.
Standards
ASTM D 3638-92.
IEC60112 ,
UL746A ,
Principle
On the surface of solid insulating material ,between two platinum electrode(2mm × 5mm) , a voltage is applied, and Timing (30s) set height (35mm) conductive liquid droplet volume dropping the provisions of (0.1% NH 4 CL ), to evaluate the solid insulating material surface leakage resistance performance under wet or contaminated medium electric and combined effects measured for comparative tracking index (CT1) and resistance to tracking index (PT1).
Features:
1.The combustion chamber paint treatment; nice, corrosion-resistant; dimensions: 1200mm X 600mmx 1200mm;
2. All sample holder made of stainless steel manufacturing;
3. The device consists of voltmeter, ammeter, time overcurrent relays, power supplies, circuit control system, push button switches, lights and other components;
4. Automatic drip device includes dropping tube, drip nozzle, counting means counting device drip, drip control device, dropping the volume measuring tools;
5. Drip nozzle device can be adjusted; adjust the height of 30-40mm; ensure dripping position in the middle of the two electrodes;
6. The electrode means comprises platinum electrode, the electrode fixtures, 4mm gauge, etc., the electrode can be adjusted, removable;
7. Electrode width 5mm, thickness 2mm, 99.9% purity platinum, 30 to 60 degrees tip;
8. The electrode sample pressure adjustable, adjustable range (1.00N ± 0.001N); electrode distance 4.0mm ± 0.01mm, the angle 60 ° ± 5 °;
9. With the sample stage;
10.With the glass: Thickness ≥4mm;
11. With electrolyte: sodium chloride and alkyl naphthalene sulfonic acid reagent each bottle.
Safety control system:
1.The test voltage: 0 ~ 1000V adjustable
The maximum error of voltmeter displays : 1%;
2. Short-circuit current: (1 Guests 0. 1) A,
The voltage drop value does not exceed 10%
3. The test current exceeds 0.5A duration of more than two seconds, the system automatically shut down equipment;
4.Security door control system; the door opens, the test system is not working;
5.The electrode: 5mm × 2mm rectangular platinum electrode and brass electrode of each pair meet size requirements of IEC60112 Figure B.1;
6.The electrode: the angle formed between the electrodes is 60 ° disabilities 5 °, a pitch of (4 Soil 0.1mm);
7.The electrode: the sample pressure: 1 00N disabilities 0.05N;.
8.Drip system: (30 ± 5) seconds (on time 29.8S + open drip drip duration 0.2S) automatic counting, digital display (can be preset), 50 drops of time: (24.5 Soil 2) min;
9.Drip systems: a drop of fluid needle tip to the sample surface height: 35mm disabilities 5mm (attach a gauge for measuring your reference);
10.Drip systems: drip Weight: 20 drops: 0.380g ~ 0.489g; 50 drops:.. 0 997g ~ 1 147g;
11.PLC with touch screen control system; to achieve test smarter, more convenient has been operated.
12.The test data is automatically recorded, automatic storage, free retrieval;
Technical Parameters:
1. The electrode material: electrode tip - platinum metal (platinum)
2. The electrode pressure: 1.0 ± 0.05N
3. Electrode distance: 4.0mm ± 0.01mm, the angle 60 ° ± 5
4. Electrode voltage: 100 ~ 600V (48 ~ 60HZ) adjustable, short-circuit current 1.0 ± 0.1A voltage drop of less than 10%
5. Dropping height: For 30 ~ 40mm adjustable
6. Dropping size: 44 ~ 55 drops / 1cm3 adjustable
7. Dropping time: 30s ± 5s,
8.Dropping times:: 0 ~ 9999 times available
9. The leakage judgment:when loop current is greater than 0.5A and maintaining for 2 seconds,the relay cut off the current and result indicates sample failed
10. The testing process: automatic control, independent ventilation
11. The reference standard: IEC60112. GB / T4207. GB4706.1
12. The inside Volume: 0.1 m³ (Can be customized 0.5 m³ or 0.75 m³)
13. The outside dimensions: 630mm width x390mm depth x750mm height
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