English
METROLOGY LABORATORIES
TBS Metrology Laboratories provide accurate, reliable, and traceable measurement services to support industries, testing laboratories, research institutions, regulatory bodies, and other stakeholders. The laboratories maintain measurement standards of various fields to ensure traceability in measurement results and support quality infrastructure, innovation, and trade.
Our Metrology Laboratories include:
1. Mass and Volume Laboratory:
The Mass and volume is a specialised metrology laboratory offering a high-accuracy measurement traceability to the wide range of manufacturing industries, hospitals, laboratories, and other sectors using state of the art equipment.
The laboratory is accredited by SADCAS under ISO/IEC 17025:2017 which gives confidence in ensuring reliability of measurement and calibration services for mass and volume measuring instruments and standards. With this confidence the laboratory ensures that the measurements are accurate, traceable, and fit for purpose.
The laboratory performs calibration on the following equipment;
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EQUIPMENT |
RANGE |
CMC |
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MASS |
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a. Weighing instruments
(Analytical, spring, mechanical, digital balance, spring, hanging, micro balance, ultra micro-balance, Platform). |
(1 g – 20 g) |
0.05 mg |
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20 g – 1 kg |
0.0003 % |
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1 kg – 20 kg |
0.0008 % |
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20 kg – 250 kg |
0,003 % |
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(250 kg – 100) tones |
- |
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(0 – 2000) kg |
- |
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b. Mass pieces |
1 mg - 20 g |
0.03 mg |
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20 g - 1 kg |
0.0003% |
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1 kg - 20 kg |
0.0005% |
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50 kg |
- |
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Volume |
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a. Small volume |
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Single Micropipette |
1 µl -10,000 µl |
1 % |
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Multichannel micropipette |
1 µl -10,000 µl |
1 % |
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Glass pipettes |
1ml – 5000 ml |
1 % |
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Burettes |
1 ml – 5000 ml |
1 % |
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Volumetric flaks |
1 ml – 5000 ml |
1 % |
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Measuring cylinder |
1 ml – 5000 ml |
1 % |
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Volume syringes |
1 µl -1,000 ml |
1 % |
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Pycnometer |
1 ml – 5000 ml |
1 % |
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Strike measure |
1 ml – 5000 ml |
1 % |
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b. Bulk volume |
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Syrup tanks |
(200 – 20000) litres |
- |
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Road tankers |
(0 – 10000) litres |
- |
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Storage tanks |
(0 – 100000) m3 |
- |
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Flow meters |
(0-100000) litres |
- |
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Flow transmitters |
(0-100000) litres |
- |
2. Temperature and Humidity Laboratory
The Temperature and Humidity Metrology laboratory is a specialized national laboratory responsible for calibration and measurement services for temperature and humidity related instruments and equipment to supporting industries, laboratories, hospitals, research institutions, and other users. The laboratory maintains and disseminates measurement traceability through calibration of reference standards and measuring instruments, to ensure accuracy and reliability. The laboratory is accredited by Southern Africans Development Community Accreditation Services (SADCAS) according to ISO/IEC 17025 requirements.
The laboratory performs calibration on the following equipment;
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CALIBRATION RANGE |
CMC |
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TEMPERATURE |
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a. Installation Devices |
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Fridge |
(2-8) ˚c |
±0.5 ˚c |
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incubator |
(-30 to 200) ˚c |
±0.5 ˚c |
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oven |
(50 - 300) ˚c |
±0.5 ˚c |
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cold rooms/blast freezer |
(-80 to -0) ˚c |
±0.5 ˚c |
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Liquid bath |
(-30 t0 200) ˚c |
±0.5 ˚c |
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Autoclave |
(20-140) ˚c |
±1.6 ˚c |
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Freezer |
(-80 to -0) ˚c |
±0.5 ˚c |
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Furnace |
(-80 to 1200) ˚c |
±1.0 ˚c |
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b. Contact and Non - Contact Devices |
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Hot plate |
(0-500) ˚c |
±0.3 ˚c |
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Liquid in Glass thermometer |
(-30 to 350) ˚c |
±0.25 ˚c |
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Infrared thermometer |
(-30 to 1200) ˚c |
±0.25 ˚c |
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Digital thermometer |
(-30 to 400) ˚c |
±0.25 ˚c |
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Thermoprobe |
(-30 to 400) ˚c |
±0.25 ˚c |
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Platinum resistance thermometer (PRT) |
(-30 to 350) ˚c |
±0.05 ˚c |
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thermocouple |
(-30 to 400) ˚c |
±0.5 ˚c |
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Temperature Data loggers |
(-40 to 121) ˚c |
±0.5 ˚c |
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Temperature Dry block calibrator |
(-80 to 650) ˚c |
±0.25 ˚c |
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Temperature transmitter |
(-30 to 400) ˚c |
±0.25 ˚c |
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c. Medical equipment |
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Patient monitor, ventilator, Bio safe cabinet, Electrical surgical blade, Ventilator, Electrical safety analysers |
ALL RANGES |
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HUMIDITY: |
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Thermohygrometer |
0 - 95% Rh |
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Humidity chamber |
0 - 95% Rh |
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3. Pressure and Force Laboratory:
The Pressure and Force Laboratory is an ISO/IEC 17025 accredited laboratory by the Southern African Development Community Accreditation Service (SADCAS), providing professional calibration services for pressure and force measuring instruments used in industrial, testing, and other technical applications. The Laboratory ensures accurate, reliable, and traceable measurement results through the use of appropriate reference standards, competent personnel, and internationally recognized calibration methods and practices, supporting organizations in maintaining the accuracy and reliability of their measurement equipment.
The laboratory offers calibration and traceability of the following equipment;
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Equipment |
Range |
CMC |
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PRESSURE |
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Pressure gauge |
0-1000 bar |
0,08 bar |
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Differential pressure gauge |
0- 200 bar |
0,05 bar |
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Pressure Relief Valve (PRV) |
0-400 bar |
0.08 bar |
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Pressure Safety Valve (PSV) |
0-400 bar |
0.08 bar |
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Pressure transmitters |
0-1000 bar |
0.08 bar |
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BP machine |
0 -300 mmHg |
0.02 mmHg |
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Barometer |
750 mbar - 1100 mbar |
0.3 mbar |
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Manometer |
0-20 bar |
0.02 bar |
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Dead weigh tester/Pressure balance |
0-700 bar |
0.09% |
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Pressure transducer |
0-1000 bar |
0.08 bar |
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Pressure Calibrators |
0-1000 bar |
0.08 bar |
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Vacuum gauges |
(- 1) - 0 bar |
0.02 bar |
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Absolute pressure gauges |
0-1000 bar |
0.08bar |
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Pressure switches |
0-1000 bar |
0.08 bar |
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Tyre pressure gauges |
0-200 bar |
0.05 bar |
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Pressure controllers |
0-200 bar |
0.05 bar |
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FORCE |
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Compression machine |
0-3000 kN |
(0.27-0.64) % |
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Proving ring |
0-100 kN |
(0.10-0.68) % |
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CBR machine |
0-200 kN |
(0.09-1.2) % |
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Torque wrenches |
0-3000 N.m |
(0.7-2.0) % |
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Marshal machine |
0-100 kN |
(0.27-0.64) % |
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Load cell |
0-2000 kN |
(0.07-0.26) % |
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Axle weighing pad |
5-50 t |
(0.1-0.25) t |
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Hydraulic jacks |
0-5000 kN |
(0.12-0.34) % |
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Dynamometers/Tension meters |
0-50 kN |
(0.05-0.5) % |
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Rebound hammer |
0-80 RI |
(0.5-2.0) % |
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Tensile machine |
0-200 kN |
(0.41-0.70) % |
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Cable tensiometers |
100-2400 lbs |
(0.5-5.0) lbs |
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Torque meter |
0-1500 N.m |
(0.7-2.0) % |
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Force gauges (push-pull gauges) |
5-50 kN |
(0.05-0.5) % |
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Universal machines |
0-3000 kN |
(0.27-0.64) % |
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Torque transducer |
0-1500 N.m |
(0.7-2.0) % |
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Gyratory Compactor |
0-3000 kN |
(0.27-0.64) % |
4. Electrical, and Time & Frequency Laboratory
Electrical, Time and Frequency Laboratory is a specialized national laboratory responsible for development, maintenance and dissemination of national measurement standards for Electrical, Time and Frequency.
The Laboratory implements and is ISO/IEC 17025 accredited by SADCAS in time interval and rotation speed measurements giving confidence and trust to its calibration and traceability services.
The laboratory offers calibration and traceability service of the following equipment;
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EQUIPMENT |
RANGE |
CMC |
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ELECTRICAL METROLOGY FIELD |
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a. Voltage Measurement |
0-40000 Volts |
- |
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b. Current measurement |
0-100 Amps |
- |
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c. Resistance measurement |
0 - 10 Tera Ohms |
- |
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d. Power Measurement |
0-3.6kW |
- |
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Multimeters |
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Clamp meter |
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Earth resistance tester |
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Insulation resistance tester |
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Transformer ratio tester |
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Transformer oil voltage breakdown tester |
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Capacitors/inductors |
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DC Resistance Transfer Standards |
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Resistors |
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Ammeters |
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Voltimeters/Potentiometer |
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Energy meter |
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Power meter |
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Multifunction calibrators |
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Current shunts |
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Welding machines |
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Battery chargers/dischargers |
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Power supply |
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Electrical safety testers |
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TIME AND FREQUENCY FIELD |
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a. Time of the day service |
- |
- |
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b. Time interval Measurement |
1s -1 Day |
0.07s (0-2400s) 0.9s (2400s-21600s |
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c. Rotation Speed Measurements |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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d.Frequency Mesurement |
- |
- |
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Timers (Digital and mechanical timers) |
1s -1 Day |
0.07s (0-2400s) 0.9s (2400s-21600s |
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Stomachers |
1s -1 Day |
0.07s (0-2400s) 0.9s (2400s-21600s |
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Centrifuges |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Shakers |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Los Angeles Abrasion Machines |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Mixers |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Rotators |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Tachometers calibrators |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Tachometers |
0-100000 rpm |
0.2 rpm (0-999rpm), 1 rpm (1000rpm-9999rpm) and 4 rpm (10000rpm-99000rpm) |
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Frequency meters/counters |
- |
- |
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Frequency generators/synthesizers |
- |
- |
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Oscilloscopes |
- |
- |
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Speed monitors |
- |
- |
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Oscillators |
- |
- |
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Cable time delay |
- |
- |
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Signal Analysers |
- |
- |
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Time interval Counters |
- |
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5. Dimension Laboratory:
Provides dimensional measurement and calibration services to ensure accuracy of length, height, depth, thickness, width and angle measuring instruments.
The laboratory offers calibration and traceability service of the following equipment;
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EQUIPMENT |
CALIBRATION RANGE |
CMC |
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A. Length intruments, |
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Total station |
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Height gauge |
(0-200) mm |
±11 µm |
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(200-500) mm |
±25 µm |
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Global Positioning system (GPS) |
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Electronic Distance meter (EDM) |
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B. End Standard Equipment |
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Gauge blocks |
(0-200) mm |
±0.2 µm |
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Micrometer setting pieces |
(0-200) mm |
±2.0 µm |
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GO-NO-GO Gauge |
(0-80) mm |
±12 µm |
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Filler gauge |
(0-5) mm |
±1.0 µm |
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C. Line Equipment |
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Tape measure |
(0-12) m |
±0.4 mm |
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Pi-Tape |
(0-12) m |
±0.4 mm |
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Ruler |
(0-1000) mm |
±0.2 mm |
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D. Hand Equipment |
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External micrometer |
(0-300) mm |
±6.0 µm |
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Calliper |
(0-200) mm |
±11 µm |
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(200-500) mm |
±25 µm |
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Dial gauge |
(0-20) mm |
±6.0 µm |
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(20-50) mm |
±9.0 µm |
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Flakiness gauge |
(6.75-33.90) mm |
±12 µm |
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Elongation gauge |
(14.7-81) mm |
±12 µm |
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Rebar detector |
(0-250) mm |
±1.0 mm |
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Crack width detector |
(0-10) mm |
±3.0 µm |
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Thickness gauge |
(0-10) mm |
±6.0 µm |
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Laser distance meter |
(0-12) m |
±3.0 µm |
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Measuring wheel |
(0-12) m |
±0.6 mm |
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E. Angle instruments |
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Protractor/inclinometer |
(0-90) degrees |
±0.5 degrees |
6. Metrology in Chemistry and Biology Laboratory:
Chemical metrology offers calibration of specialized equipment used in food, agriculture, environmental, health and safety to ensure accurate, reliable and traceable measurements. The laboratory offers calibration of the following equipment;
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METROLOGY IN CHEMISTRY AND BIOLOGY |
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Name of equipment |
Range |
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Refractometer |
(5-60) % |
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pH meters |
(2-14) pH |
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Electrical conductivity meter (EC) |
(84-1413) µS/cm |
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Total Dissolved meter (TDS) |
(50-1000) ppm |
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Turbidity meter |
(<0.1 -2000) NTU |
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Moisture meter |
(4-15) % |
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Moisture analyser |
(0-100) % |
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Moisture balance |
(0-15) % |
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Hydrometer |
0.998-2.000 |
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Density meter |
(0.6000-3.000) g/ml |
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Breath analyser |
(0.100-0.690) mg/l |
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Alcohol meter |
(4-80) % |
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Photometers |
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Bomb calorimeters |
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Gas detectors |
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Spectrophotometer |
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Alcohol in water (Ethanol) reference material |
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