Shandong China Coal Mining & Industrial Group Co., Ltd.

China Manufacturer with main products: Mining Equipment, Rock Drilling Machine, Mining & Construction Lifting Equipment, Transportation Equipment, Mining Supporting Equipment,...

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hot selling Digital Holiday Detector

FOB Price: 1.00 - 1,000.00 USD/Set
Supply Ability: 1,000 Set/Sets per Month
Shipping: 5-10 days after your payment
Payment Terms: L/C, T/T, Western Union, Other, Paypal
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: carton box, plastic bags, wooden cases or as your requirement

Quick Details

  • Usage: holiday detector
  • Power: Electronic
  • Model Number: D1
  • Brand Name: China Coal
  • Product name: hot selling Digital Holiday Detector



hot selling Digital Holiday Detector


D1 Porosity Holiday detector is a special testing equipment used to detect oil and gas pipelines, cables, enamel, metal tank, hull and other protective coatings flaws. It is a simple and practical equipment.

1. Low power consumption, small size, light weight;
2. Simple operation;
Main technical index
1. Measuring range:A:0.03-3.5mm(Epoxy coal tar pitch medium)
    asphalt medium)
    coal tar pitch, Petroleum asphalt medium)

3. Output high voltage:A:0.5-15KV

4. Display:pointer

5. High voltage control system:Ordinary potentiometer adjustment

6. DC supply:12v

7. Consumption:5w

8. Alarm delay:1-2s

9. High voltage probe:Electronic high voltage generator

10. Packing:metal chest

11. Main dimension: 165mm×155mm×68mm

12. Weight:1.5kg(Including battery)


Charger, high pressure gloves, long cable, short connecting line, Connecting magnet, earth rod, The brush plate, Manual
    The detector generates a high DC voltage that is applied to the coating surface through a probe. The detector is connected to the substrate via the high voltage returned. When the probe is passed over a coating flaw, then the electrical circuit is completed and current flows from the probe to the substrate. As a result, audible and visual alarms are activated in the detector and a spark may be produced at the flaw.

Measuring range

0.03-3.5mm(Epoxy coal tar pitch medium)

Output high voltage




High voltage control system

Ordinary potentiometer adjustment

DC supply




Alarm delay


High voltage probe

Electronic high voltage generator


metal chest

Main dimension



1.5kg(Including battery)

Service Process

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    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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