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Rubber & Plastics Equipment Calibration
Ash Ovens / Muffle Furnaces
| Equipment Types | Supports | ISO 17025 Accredited Measurements |
| Electric Heating Element | ASTM D4574 ASTM D5630 |
Oven Temperature Accuracy / Uniformity |
| Microwave |
Cutting Dies
| Equipment Types | Supports | ISO 17025 Accredited Measurements |
| Specimen-Cutting Dies | Dimensional verification to: ASTM D395, D412, D471, D575, D624, D638, D746, D1004, D1056, D1329, D1457, D2137, D2228, D2863, D3574, D4482 SAE J1756, ISO 527, JIS K6301 |
Angle Depth / Height / Length Diameter / Radius Parallel / Squareness |
Environmental Test Chambers
| Equipment Types | ISO 17025 Accredited Measurements |
Cryogenic / CO2 / LN2 |
Conductivity |
Hardness / Impact / Resilience Test Equipment
| Durometers | Range | CMC Uncertainty (±) |
| Direct Verification of Force | Types A, B, E, & O Types C, D, & DO Types OO & OOO Type OOO-S Type M |
0.63 Duro 0.61 Duro 1.5 Duro 1.3 Duro 1.9 Duro |
| Tip Angle Tip Diameter Tip Radius Indenter Diameter Indenter Length |
--- | 0.01 ° 0.0041 mm 0.0038 mm 0.0043 mm 0.0043 mm |
| Durometer Test Blocks | Type A & D | 1.4 Duro |
Process Equipment
| Compression Presses | ISO 17025 Accredited Measurements |
| Temperature | RTD Probes Thermocouples |
| Force | Force |
| Extruders | Range | CMC Uncertainty (±) |
| Temperature Controller
Accuracy (T/C)
Thermocouple Accuracy Screw Speed Pressure Takeoff Speed Timer Accuracy |
(0 to 1200) °C
(0 to 350) °C (6 to 10 000) rpm (2 to 10 000) psi (0 to 1000) in/min (0 to 7200) s |
2.0 °C
0.9 °C 1.3 rpm 0.12 % of rdg 1.3 in/min 1.6 s |
| Injection Molders | Range | CMC Uncertainty (±) |
Temperature Controller |
(0 to 1200) °C (0 to 350) °C (6 to 10 000) rpm (2 to 10 000) psi (0 to 300) mm (11 in) (300 to 1.8) m (70 in) (0 to 900) mm/min (0 to 7200) s |
1.0 °C
0.9 °C 1.3 rpm 0.12 % of rdg 0.15 mm (0.006 in) 1.7 mm (0.07 in) 0.35% of rdg 1.6 s |
Rheometers / Cure Meters / Viscoplastic Test Equipment
| Capillary Rheometers | ISO 17025 Accredited Measurements | Supports |
| Capillary Die Rheometers | Force Tachometer RTD Probes Thermocouples Torque |
ASTM D3835 ASTM D5099 |
| Screw Extrusion Capillary Rheometers | ASTM D5422 |
| Capillary Rheometers – Polymeric (Plastic) |
Range | CMC Uncertainty (±) | Supports |
| Barrell Diameter and
Uniformity Piston Tip Diameter and Length, Capillary Bore Length Temperature Accuracy Crosshead Speed Force Pressure |
(6.35 to 19) mm
(9 to 25.4) mm (180 to 300) °C (0 to 25.4) mm/min (500 to 5000) lbf (0 to 10 000) psi |
0.0068 mm
0.005 mm 0.12 °C 0.3 % of rdg 0.52 % of rdg 0.12 % of rdg |
ASTM D3585 |
| Capillary Rheometers – Rubber |
Range | CMC Uncertainty (±) | Supports |
| Barrell Diameter and
Uniformity Piston Tip Diameter and Length, Capillary Bore Length Temperature Accuracy Crosshead Speed Force Pressure |
(9 to 22) mm (9 to 25.4) mm (100 to 190) °C (0 to 25.4) mm/min (500 to 5000) lbf (0 to 10 000) psi |
0.0068 mm 0.005 mm 0.12 °C 0.3 % of rdg 0.52 % of rdg 0.12 % of rdg |
ASTM D5099 |
| Extrusion Plastometers | Range | CMC Uncertainty (±) | Supports |
| Extrusion Plastometer Calibration per Mfg Specs |
Cylinder Bore Piston Measurements Temperature Load to 3 kg Load (3 to 20) kg |
0.0003 in 0.0005 in 0.09 °C 0.2 g 3.1 g |
ASTM D1238 |
| Gehman Testers | ISO 17025 Accredited Measurements | Supports |
| Gehman Tester Calibration | Force Pressure Temperature Length |
ISO 1432 ASTM D1053 |
| Mooney Viscometers, Stress Relaxation |
Range | CMC Uncertainty (±) | Supports |
| Mooney Torque Rotor RPM Die Temperature Die Closing Force Rotor Dimensions Rotor Eccentricity |
(0 to 200) Mooney Units (0.01 to 100) rpm (0 to 400) °C (500 to 2700) lbf (0 to 2) in (0 to 0.1) in |
0.08 MU 0.25 % of rdg 0.4 °C 28.5 lbf 300 μin 0.0016 in |
ASTM D1646 |
| Oscillating Disc Rheometers (ODR), OD Cure Meters |
Range | CMC Uncertainty (±) | Supports |
| Torque Oscillatory Frequency Oscillatory Amplitude Die Temperature Die Closing Force Rotor Dimensions |
(0 to 200) in·lbf (0.016 to 33) Hz (-90 to 90) ° arc (0 to 400) °C (500 to 2700) lbf (0 to 2) in |
0.2 in·lbf 0.01 Hz 37 arcseconds 0.4 °C 28.5 lbf 300 μin |
ASTM D2084 |
| Rotorless Cure Meters, Moving Die Rheometers (MDR), Rubber Process Analyzers (RPA) |
Range | CMC Uncertainty (±) | Supports |
| Torque Oscillatory Frequency Oscillatory Amplitude Die Temperature Die Closing Force |
(0 to 200) in·lbf (0.016 to 33) Hz (-90 to 90) ° arc (0 to 400) °C (500 to 2700) lbf |
0.2 in·lbf 0.01 Hz 37 arcseconds 0.4 °C 29 lbf |
ASTM D5289 ASTM D5289 ASTM D6204 ASTM D6601 |
| Viscosity Meters | ISO 17025 Accredited Measurements |
| Viscosity Meters
for Newtonian Fluids (Viscometers) i.e. Kinematic/Capillary |
Viscosity Meter Calibration |
Temperature Controllers / Thermocouples / RTD's
| Temperature Controllers | Supports | ISO 17025 Accredited Measurements |
On/Off |
Benchtop / Process Lines |
Temperature Measuring Equipment –
TC/RTD Probes Thermocouple Calibration |
| Thermocouples | ISO 17025 Accredited Measurements | |
| Types B, C, E, J, K, N, R, S, T, U | Thermocouple Calibration | |
| Resistance Temperature Detectors (RTD) | Range | ISO 17025 Accredited Measurements |
| 3-Wire | (-200 to 800) °C | Resistance Temperature Detectors (RTD) |
| 4-Wire | ||
Torque Standards
| Equipment Types | Range | CMC Uncertainty (±) | Torque Standards (Torsion Springs), MDR |
Torque up to 200 in·lbf
(peak –
peak) 10° (peak – peak) |
0.094 in·lbf 0.007 ° arc |
| Torque Standards (Torsion Springs), ODR |
Torque up to
200 in·lbf (peak –
peak) 10° (peak – peak) |
0.10 in·lbf 0.007 ° arc |
Universal and Tensile Test Equipment
| Equipment Types | Supports | ISO 17025 Accredited Measurements | Tensile Testers Universal Testing Machines Universal Tensile Testers Universal Compression Testers |
ASTM E4 ASTM E83 |
Force Measurement – Compression and Tension |
| Extensometers | up to 18 in | Extensometer Calibration |
Weight / Density Test Equipment
| Equipment Types | Range | ISO 17025 Accredited Measurements |
| Scale and balance: Bench scales Crane scales Filling scales Floor scales Industrial scales Laboratory scales Process scales |
Up to 12000 lbm Up to 200000 lbf |
Compression / Tension Balances / Scales / Mass |
Polymer Testing Instrument Calibration by Manufacturer
Goodrich Test Equipment Calibration & Maintenance
| Goodrich Cut & Chip Testers | |
| Goodrich Dynamic Stress Relaxometer (DSR) | |
| Goodrich Flexometers | ASTM D623 |
Monsanto Test Equipment Calibration & Maintenance
| Monsanto Rheometer R-100 | ASTM D2084 |
| Monsanto Rheometer R-100S | |
| Monsanto TM-100 | |
| Monsanto Mooney M-1200 | ASTM D1646 |
| Monsanto Mooney M-1300 | |
| Monsanto Mooney M-1500 | |
| Monsanto Mooney M-1500S |
Scott Instruments Test Equipment Calibration & Maintenance
| Scott STI-90 | ASTM D1646 |
Techpro Test Equipment Calibration & Maintenance
| rheoTECH MD+ Techpro moving die rheometers |
ASTM D5289 |
| rheoTECH MDpt Techpro moving die processability testers |
ASTM D5289 ASTM D6204 ASTM D6601 |
| rheoTECH+ Techpro oscillating disk rheometers |
ASTM D2084 |
viscTECH+ |
ASTM D1646 |
| tensiTECH Techpro computerized universal testers and multiple station universal testers |
ASTM E4 ASTM E83 |
| densiTECH II Techpro automatic specific gravity testers |
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Calibration and Measurement Capability (CMC) is the smallest uncertainty of measurement that a laboratory can achieve within its scope of accreditation when performing more or less routine calibrations of nearly ideal measurement standards or nearly ideal measuring equipment.
Calibration
and Measurement Capabilities represent expanded uncertainties expressed at approximately the 95 %
level of confidence, usually using a coverage factor of k = 2. The actual measurement uncertainty of a
specific calibration performed by the laboratory may be greater than the CMC due to the behavior of
the customer’s device and to influences from the circumstances of the specific calibration.
Please note the actual measurement uncertainties achievable on a customer's site can normally be expected to be larger than the CMC found on the A2LA Scope. Allowance must be made for aspects such as the environment at the place of calibration and for other possible adverse effects such as those caused by transportation of the calibration equipment. The usual allowance for the actual uncertainty introduced by the item being calibrated, (e.g. resolution) must also be considered and this, on its own, could result in the actual measurement uncertainty achievable on a customer’s site being larger than the CMC.
