Expert calibration lab in
Houston, Texas

Global Scope

Verification after repair or modification and periodic verification according to Order ICT/155/2020-Annex XIV: instruments intended for the treatment of audible sound and acoustic calibrators.

Common equipment serviced: Sound level meters, personal sound exposure meters, acoustic calibrators

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Scope

Verification after repair or modification and periodic verification according to Order ICT/155/2020-Annex XIV: instruments intended for the treatment of audible sound and acoustic calibrators.

Common equipment serviced: Sound level meters, personal sound exposure meters, acoustic calibrators

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Viscosity: kinematic and dynamic, consistometric cup, etc.
• Conductivity: Electrical (0 μS/cm to 200 mS/cm) and with Certified Reference Material (1,1 μS/cm to 111,3 mS/cm)
• Gas detector and Gas Concentration : Carbon monoxide, Nitrogen monoxide, Nitrogen dioxide, Oxygen, Total gaseous organic carbon, Dilution apparatus for olfactometry, Sulfur dioxide, Carbon dioxide, Hydrogen sulfide, Benzene, Methane, Ozone, Propane, etc.
• Refractometry: (1.33 ~ 1.62) nD (refractive index), 0 to 87.6% Brix, etc.

Common equipment serviced: Conductivity meters, Salinity meters, pH meters, Sucrose solutions, Gas detectors and gas concentration, Particle counters, Refractometry instruments, Viscosity instruments

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Gauge block (steel, tungsten carbide, ceramic…): up to 1500 mm
• Long length (standard tape rules, peripheral gauges…): up to 100 m

Common equipment serviced: Angle instruments, Measuring bench/optical, Depth gauge, Gauge blocks, Height gauges, Micrometers, Length instruments, Limit gauges, Form and surface, Thread gauges

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• AC Power & Energy: Triphasic active & Active Monophasic f = 50 – 60 Hz, 0,7 W ≤ P ≤ 71 MW, (Wattmeters, Energy analyzers, Power analyzers, Watt-hour meters, Power converters, multifunction calibrators, Sources for meter or relay testing
• High voltage:
  • DC: 1 kV to 200 kV
  • AC (50 Hz): 1 kV to 175 kV
• Magnetometers: 0 to 1700 mT…

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Push pull force measuring devices in tension and compression: up to 1 MN
• Force machine: up to 5 MN (compression) and up to 1 MN (tension)

Common equipment serviced: Dynamometers, Force machines (Tension and/or Compression), Load cell, Force gauges, Strainmeter, Crimping pliers, Charpy testers, Cable tie tools, Press, Retention tools, Wire wrap tools, Spring balance

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope: Gas flow (air): 0.5 ml/min to 4000 m3/h (the range is lower depending on gas used (nitrogen, argon or any inert gases)

Common equipment serviced: Anemometers (thermal & vane), Bubble flowmeters, Gas flow meters, Gas meters, Thermal mass flow controllers, Variable area flow meters, Backflow gages, Flow analyzers, Gas flow meters, Flow transducers, Flow transmitters, Leak testers, Orifices, Rotameters, Turbine meters

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope:  Brinell, Rockwell, Vickers, Leeb hardness (Shore A, B, C, D, Do, E, 0, M, 00…)

Common equipment serviced: Hardness tester and machine, Durometer, Hardness block, Indenter, Dead weight hardness rubber testers, Penetrometers and penetration cones

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Dew Point sensors ranging -90° C to +95° C
• RH from 0% – 100%

Common equipment serviced: Dew point sensors, Dew point transmitters, Dew point meters and probes, Hygrometers, Humidity indicators, Moisture meters, Humidity sensors, Humidity loggers, Thermohygrograph, Psychrometers, RH indicators

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Scope: Proficiency Testing Provider in:

• Mass/scale up to 300 kg,
• Pressure Up to 100 MPa
• Dimensional (Caliper up to 300 mm, External Micrometer up to 100 mm, Dial Indicator uo to 25 mm, Gauge block up to 100 mm etc…)
• Electrical (DC Voltage up to 1000 V, AC Voltage up to 900 V, DC&AC Current meter up to 10 A, Resistance meter up to 60M Ω)
• Volume (Lab glassware up to 2500 mL, pycnometer up to 200 mL, Microvolume up to 1000 µL)
• Torque up to 1000 Nm
• Force (Compression/Tensile Testing machine up to 50 kN
• Liquid flow: Water mass flow meters or others liquids, except hydrocarbons, 150 kg/h to at 3000 kg/h
• Time/Frequency (Stopwatch 0 h to 24 h, Frequency meter 60 Hz to 1 GHz)
• Temperature (Temperature meter with sensor, thermoresistive or other sensors -10 to 50°C; Liquid in glass thermometer 0 to 50°C; Mechanical thermometer -30 to 50°C; Infrared radiation thermometer and others -15 to 500°C; Thermoresistance -10 to 350°C

Common equipment serviced: see above

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope: Liquid flow (water): 0.12 l/h to 120 m3/h; Liquid flow (Hydrocarbon oils (Kerosene, Gas oil, Shell Tellus 32, Shell Tellus 100)): 0.6 l/min to 3000 l/min

Common equipment serviced: Liquid flow meter, Backflow gages, Flow analyzers, Gas flow meters, Flow transducers, Flow transmitters, Leak testers, Orifices, Rotameters, Turbine meters

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Mass: 1 mg to 1000 kg (range depending to class less than E2, F2, M1…)
• Scale: 1mg to 200 000 kg with weights class from E2, F1 to M1-2
• Legal metrology: maintenance and repair for scales up to 180 000 kg

Common equipment serviced: Weight, Weighing devices (Weighing scale, Hopper scale, Tank scale, Platform scale, etc), Weighing instruments for blood collection bags

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Illuminance: 0.5 to 20 000 lux
• Luminance: 0.2 to 15 000 ㏅/m2…

Common equipment serviced: Illuminance meter, Luminance meter, Spectrophotometer, Glossmeter, Photometer, Colorimeter, Pyranometer, Irradiance meter

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.

Global Calibration Scope

• Torque measuring devices (sensors, transducers, measuring chains…): 0,001 to 5 000 Nm
• Hand torque tools (wrenches, screwdrivers …): 0,02 to 5 000 Nm
• Torque multiplier: 50 to 5 000 Nm

Common equipment serviced: Torque analyzer, Torque sensor, Torque tester, Torquemeter, Torque transducer, Torque multiplier, Torque gun, Torque wrench, Torque screwdriver, Joint simulator, Hydraulic torque wrench

This site holds the competency for the specified domain. If your requirement is outside the scope of competency, we may be able to transfer the instrument with your permission to another Trescal laboratory that holds the applicable scope. Please refer to the scope of accreditation for accredited capabilities specific to this laboratory.