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Wet Film Thickness Gauge "Erichsen" Model 234R/III

Wet Film Thickness Gauge, Model 234

in accordance with ISO 2808, ASTM D1212, BS 3900: C5

“Reference Class”


The physical and mechanical properties of a coating are directly dependent on the film thickness.

If meaningful testing is to be conducted, the film thickness must therefore be uniform.


Wet film thickness gauges are used to check freshly applied coatings and can also be used to calculate

the resulting dry film thickness. If deviations from the specified value are detected, corrective measures

can be taken immediately.


Dry film thickness gauges are used to check finished coatings.


Mechanical film thickness gauges provide a number of advantages:

§  Handy, portable, and simple to operate, even by unskilled personnel. Sturdy construction, direct reading.

§  Measurements can be carried out on any surface. Since the system functions completely mechanically, substrates of glass, wood, metal or plastic are permissible.

§  In comparison to other systems, mechanical film thickness gauges are favourably priced.


Reference Class:

All versions of Model 234 R are supplied with a Manufacturer’s Certificate M in accordance with DIN 55 350-18

that includes among others the following information:


Setting and actual values for the gap heights related to the scale values, product identification, test equipments

used with calibration status, date, name of inspector.


The gap heights are measured by means of a digital dial gauge at 6 spots evenly spread over the measuring area

and compared with the setting values read on the scale.



On all flat or uniformly curved (concave and convex) surfaces.


Design and Function

The hardened, precision-ground measuring disc of stainless steel is 50 mm in diameter and 11 mm thick. It features a

freely rotating aluminium guide roller to enable the instrument to be rolled over  the surface.


Available in 8 different versions and measurement ranges (see order information).


The read-out scale is engraved on one side around the periphery of the disc. Each instrument is supplied in a case.


Order Information

Order No.


Measuring range

Read-off accuracy



234 R/I

0-25 µm

1 µm



234 R/II

0-50 µm

2 µm



234 R/III

0-125 µm

5 µm



234 R/IV

0-250 µm

10 µm



234 R/V

0-500 µm

20 µm



234 R/VI

500-1000 µm

20 µm



234 R/VII

0-1000 µm

50 µm



234 R/VIII

0-1500 µm

50 µm



This product was added to our catalog on Wednesday 09 January, 2019.
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Nanomachinery Co., Ltd.
4, Soi Petchkasem 100 ,Phetchkasem Rd. ,Bangkaenue ,Bangkae ,Bangkok, 10160, THAILAND.
Tel : 086-322-6876 ,02-421-9927 ,Fax : 02-809-2591 E-mail : pongthorn@nano-machinery.com
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