
TQC brand SP4000 hexagonal wet Film Thickness Gauge (accurate gauge) is lightweight, easy to carry and easy to operate. The wet film thickness measurement piece made of good stainless steel will not be affected by corrosion from acid and alkali components, is highly precise and durable.





| model | Measuring range | diameter | Material | Accuracy |
| SP4000 | 20-370 micron | 50mm | Stainless steel | 10 micron |
20-370 microns for decorative coatings and primers.
25-2000 micron for protective coatings, high solids adhesive with corner radius calibration (2mm).
50-10,000 microns, used for thicker coatings like floor coatings, fillers, fireproofing treatments, gypsum plasters, adhesives, etc.



| model | Measuring range | series | Accuracy | diameter | Material |
| SP4000 | 20-370µm | 24 (6Ã4) hexagons | 10µm | 50mm | Stainless steel |
| SP4010 | 25-2000µm | 36 (6Ã6) hexagons | 25µm | 50mm | Stainless steel |
| SP4020 | 50-10000µm | 71 (8Ã9) octagon | 50µm | 50mm | Stainless steel |
|| SP4000
WG-I wet Film Thickness Gauge 20-370 microns, 24 scales (hexagonal, 4 scales on each side)
|| SP4010
WG-II wet film thickness measuring gauge 2000 microns, 36 scales (hexagonal, 6 scales on each side), engraved with 2mm scale lines
|| SP4020
WG-III Wet Film Thickness Gauge 50-10000 microns, 71 scales (octagonal, 9 scales on each side)
Graduation: 0-900 range is 50µm; 900-5500 range is 100µm; 5500-9000 range is 500µm.
Measuring range | series | Accuracy | diameter | model |
20-370μm | 24(6Ã4) | side 1:20 30 40 50 side 2:60 70 80 90 side 3:100 110 120 130 side 4:150 170 190 210 side 5:230 250 270 290 side 6:310 330 350 370 | 50mm | SP4000 |
25-2000μm | 36(6Ã6) | side 1:25 50 75 100 125 150 side 2:175 200 225 250 275 300 side 3:350 400 450 500 550 600 side 4:650 700 750 800 850 900 side 5:950 1000 1100 1200 1300 1400 side 6:1500 1600 1700 1800 1900 2000 | 50mm | SP4010 |
50-10000μm | 71(8Ã9) | side 1:50 100 150 200 250 300 350 400 450 side 2:500 550 600 650 700 750 800 850 900 side 3:1000 1100 1200 1300 1400 1500 1600 1700 1800 side 4:1900 2000 2100 2200 2300 2400 2500 2600 2700 side 5:2800 2900 3000 3100 3200 3300 3400 3500 3600 side 6:3700 3800 3900 4000 4100 4200 4300 4400 4500 side 7:4600 4700 4800 4900 5000 5100 5200 5300 5400 side 8:5500 6000 6500 7000 7500 8000 8500 9000 10000 | 50mm | SP4020 |


