DCH series Array Electro-magnetic Thickness Instrument is used to measure the thickness of downhole metal pipe, which can reflect the corrosion degree of casing. The sensor array of the instrument is composed of 16 (12) independent sensors. Every sensor can get a curve of casing thickness.
Technical parameter
| Max OD: | 1.69″/2.76″ (43/70mm) |
| Length: | 2400/2600mm |
| Number of sensors: | 12，16 |
| Working temperature: | 175℃ |
| Max pressure: | 14500PSI (100 Mpa) |
| Measurement range of ID: | 3.5〞～ 7〞 ( 43mm )4〞～9 5/8〞( 70mm ) |
| Wall thickness measuring accuracy: | 15% of pipe wall thickness (undamaged pipe) |
| Working voltage: | 90V |
| Working current | 80mA-110mA |