Wet Sponge Pinhole Porosity Holiday Detector Test Machine HD-104 Spark Detector

Non Destructive Testing Equipment Wet Sponge Pinhole Porosity Holiday Detectors HD-104 Spark Detector

Principle
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.

Function
Our Porosity Holiday Detector HD170 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.

Features:

Supplied ready to use

Automatic sensitivity calibration and voltage checks

Low battery indicator

Visual and audible alarms

Integral and separate wand functionality

A wide range of fully interchangeable wand accessories

Easy release snag proof cables

Large standard sponge

Optional inspection kit for all your requirements is available.

Technical specifications
Detector range           9V ——300µm
                                   67.5V—500µm
                                   90V——500µm
Sensitivity                   9V——90KΩ+5%
                                   67.5V—125KΩ+5%
                                   90V——400KΩ+5%
Accuracy of voltage    +5%
Battery                        Li-pol rechargeble battery 11.1V/1100mA
Power                         ≤0.5W
Weight main unit        500g
Size                            290×53×53mm
Voltage indication       LED indication for each voltage
Batterycharging          12VDC charger
Sponge size                170×70×30mm
Detecting rod length  195mm
Earth wire length         4m

Standard delivery
HD-104 pinhole main unit             1pc
Standard wand and flat sponge　1pc
Earth wire                                     1pc
Charger                                        1pc
Carrying case                               1pc
Manual                                          1pc
Warranty card　　      　  　         1pc