Last Amended on - Page 1 of 6 I. DIMENSION 1. CALIPER $ (Vernier / Dial / Digital) L. C. 10µm Φ Up to 600 mm >600 mm to 1000 mm 14.0 µm 19.0 µm Using Gauge Block Set, Caliper Checker, Length Bar & External Micrometer IS 3651 2. DEPTH GAUGE $ (Vernier / Dial / Digital) L. C. 10 µm Φ Up to 300 mm 12.0 µm 3. HEIGHT GAUGE $ (Vernier / Dial / Digital) L. C. 10 µm Φ Up to 600 mm 15.0 µm 4. EXTERNAL L. C. 1 µm Φ Up to 100 mm 3.0 µm Using Gauge Block Set & Caliper Checker IS 4213 Using Gauge Block Set,Caliper Checker& Surface Table IS 2921 Using Gauge Block Set IS 2967 5. INSIDE L. C. 10 µm 5 mm to 30 mm 6.0 µm Using Gauge Block Set & Accesssories
Last Amended on - Page 2 of 6 6. INTERNAL 2-Point Basic Travel of Micrometer L.C.10 µm 50 mm to 63 mm 11.7 µm Overall Length Accuracy with Extension Rod L. C. 10 µm Up to 400 mm 6.1 µm Using Gauge Block Set & Electronic Probe & Comparator Stand IS 2966 7. DEPTH L. C. 1 µm Φ Upto 300 mm 7.0 µm 8. DIAL CALIPER GAUGE $ (Internal /External) L. C. 10 µm Upto 100 mm 8.1 µm Using Gauge Block Set & Surface Plate Using Gauge Block Set & Accessories 9. MICROMETER HEAD $ L. C. 1 µm Φ Upto 50 mm 1.9 µm Using Electronic probe & Comparator Stand IS 9483 10. DIAL GAUGE $ (Plunger Type) L. C. 1µm Φ Upto 1 mm 2.9 µm Using Dial Calibration Tester IS 2092 11. DIAL GAUGE $ (Lever Type) L. C. 1µm Φ Upto 1 mm 2.9 µm Using Dial Calibration Tester IS 11498
Last Amended on - Page 3 of 6 12. BORE GAUGE WITH DIAL GAUGE $ (for transmission accuracy) Upto 2.5 mm 6.4 µm Using Dial Calibration Tester 13. DIAL THICKNESS GAUGE $ L. C. 1 µm Φ Upto 25 mm 3.0 µm Using Gauge Block Set Upto 200 mm 1.8 µm Using Gauge Block Set & 14. PLAIN PLUG GAUGE $ Electronic Probe IS3455 15. PLAIN RING GAUGE $ 5 mm to 100 mm 3.6 µm Using LMM & Master Ring IS 3485 Upto 20 mm 1.9 µm Using Gauge Block Set & 16. CYLINDRICAL MEASURING PINS $ Electronic Probe IS 11103 17. SNAP GAUGE $ 2 mm to 20 mm 2.2 µm Using Gauge Block Set IS 3477 18. PLAIN THREAD PLUG GAUGE $ (Effective Diameter) 19. PLAIN THREAD RING GAUGE $ (Effective Diameter) M2 to M100 3.8 µm Using External Micrometer & Thread Measuring Wire IS 2334, IS 4218, IS 14962 M6 to M100 3.6 µm Using LMM & Master Ring IS 2334, IS 4218, IS 14962
Last Amended on - Page 4 of 6 20. DIAL CALIBRATION TESTER $ L. C. 1.0 µm Upto 25 mm 1.7 µm Using Electronic probe 21. FEELER GAUGE $ Upto 2 mm 1.9 µm Using Electronic Probe IS 3179 22. BEVEL PROTRACTOR $ L. C. 1 Φ 0-180 - 0 5.8 min. of arc Using Angel Gauge Set IS 4239 23. V-BLOCK $ Linear Angle 150 mm x 90 mm x 85 mm 7.7 µm 5.0 min. of arc Using Profile Projector IS 2949 24. ENGINEERS SQUARE $ Parallelism Squareness 25. ANGLE PLATE $ Squareness Parallelism Upto 150 mm 6.4 µm Using Granite L Square & Plunger Dial Gauge IS 2103 Upto 150 mm 6.4 µm Using Granite L Square & Gauge Block IS 2554 26. RADIUS GAUGE $ 2 mm to 25 mm 12.0 µm Using Profile Projector IS 5273 275 mm 1.8 µm Using Gauge Block Set & 27. MICROMETER SETTING PIECE $ Electronic Probe
Last Amended on - Page 5 of 6 28. FORD CUP $ (Orifice Diameter) Upto 5 mm 12.0 µm Using Profile Projector IS 3944 29. STANDARD FOILS $ 0.01 mm to 1.0 mm 1.6 µm Using Electronic Probe 30. SURFACE PLATE Flatness # 2000 mm x 2000 mm 2.7 L W 100 L &W in mm Using Spirit level (LC: 10 µm/m) IS 12937 31. PROFILE PROJECTOR Linear LC. 0.001mm Angular L. C. 12 min Upto 300 mm 0 to 360 7.0 µm 7.0 sec of arc Using Gauge Block Set Operating Temp As per JIS B 7184 32. HEIGHT GAUGE L. C. 0.1 µm Φ Upto 600 mm 5.0 µm II. PRESSURE AND VACUUM 1. PRESSURE - PNENMATIC DIGITAL & DIAL PRESSURE INDICATORS # Using Gauge Block Set, Caliper Checker & Surface Plate IS 2921 1 bar to 40 bar 0.53 % rdg. Using Twin Mode Digital pressure calibrator EPC 40 R&D & Pneumatic Pump 2. PRESSURE - HYDRAULIC DIGITAL & DIAL PRESSURE INDICATORS $ 1 bar to 350 bar 350 bar to 700 bar 0.63 % rdg. 0.50 % rdg. Using Digital Pressure Calibrator EPC 100 R&D & Hydraulic Pump
Last Amended on - Page 6 of 6 3. DIGITAL & DIAL VACUUM INDICATORS $ -0.8 bar to 0 bar 1.2 % rdg. Using Twin Mode Digital Vacuum calibrator EPC 40 R&D & Pneumatic Pump 4. PRESSURE - HYDRAULIC DIGITAL & DIAL PRESSURE INDICATORS 5. DIGITAL & DIAL VACUUM INDICATORS 10 bar to 700 bar 1.1 % rdg. Using Digital pressure calibrator EPC 100 R&D & Hydraulic Pump 0 to 760 mm Hg 1.5 % rdg. Using Twin Mode Digital Vacuum Calibrator EPC 40 R&D & Pneumatic Pump * Capability is expressed as an uncertainty () at a confidence probability of 95% $ Only in Permanent Laboratory Only for Site Calibration # The laboratory is also capable for site calibration however, the uncertainty at site depends on the prevailing actual environmental conditions and master equipment used. Φ Laboratory can also calibrate instruments/devices of coarser resolution / least count within the accredited range using same reference standard/ master equipment under the scope of accreditation.