Features

DT-156

DT-156H

Non-magnetic coatings (e.g. paint, zinc) on steel

*

*

Insulating coatings (e.g. paint) on no-ferrous metals

*

*

No-ferrous metals coatings on insulating substrates

*

*

Menu operation system

*

*

Two measuring modes: CONTINUE and SINGLE mode

*

Two working modes: DIRECT and GROUP mode

*

*

Statistic Display: AVG, MAX, MIN, NO., S.DEV

*

One point calibration, two points calibration and basic calibration easily

*

*

Memory for 400 readings (80 DIRECT and 320 GROUP readings)

*

Memory for 1500 readings ( 30 GROUP readings)

*

Delete single readings and all group readings easily

*

*

High alarm and Low alarm for all working modes

*

Low battery, error indication

*

*

USB interface for PC software

*

*

4 levels of battery indication

*

Error indication

*

Easily adapt to lighting conditions with 8 levels of backlight

*

Specifications

DT-156

DT-156H

Sensor probe

F

N

F

N

Working principle

magnetic induction

Eddy current principle

magnetic induction

Eddy current principle

Measuring range

0~1250um

0~1250um

0~1350um

0~1350um

Guaranteed tolerance (of reading)

(+/- 3%+1)um

(+/- 3%+1.5)um

(+/- 2.5%+2)um

(+/- 2.5%+2)um

Repeatability

(+/- 1%+1)um

(+/- 1%+1)um

(+/- 1%+1)um

(+/- 1%+1)um

Low range Precision

0.1um

0.1um

0.1um

0.1um

Minimum curvature radius

1.5mm

3mm

1.5mm

3mm

Diameter of Minimum area

7mm

5mm

7mm

5mm

Basic critical thickness

0.5mm

0.3mm

0.5mm

0.3mm