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TnC holds a large test equipment park. All the equipments are from the industry leader companies that have the highest measurement precisions. The equipments are calibrated by accredited laboratories annualy per the required tolerances.
TnC is a NEBB Certified TAB Firm, we have all TAB equipments that NEBB requires. All equipments are kept as calibrated.
Some of our test equipments are listed below with their specifications:


Technical Function and Specification:

  • Measurement items: Air velocity, Air temperature

  • Measurement range

    • Air velocity: 0~45 m/s, 0~140 km/h, 0~8800 ft/min, 0~88 knots, 0~100mph (Accuracy: ±3%)

    • Air temperature: 0~45ºC, 32~113ºF (Accuracy: ±2ºC)

  • Resolution: 0.2ºC, 0.1m/s

  • Unit of Velocity: m/s, ft/min, knots, km/hr, mph

  • ºC/ºF Selection

  • Backlight display

  • Max/Min reading (Air velocity)

  • Average/Current reading (Air velocity)

  • Operating temperature: -10ºC ~ +50ºC (14ºF ~ 122ºF)

  • Operating humidity: 40%RH ~ 85%RH

  • Store temperature: -20ºC ~ +60ºC (-4ºF ~ 140ºF)

  • Store humidity: 10%RH ~ 90%RH

  • Compliant to CE/ROHS/FCC standard



Rotating Vane Anemometer 5725 is a high performance, yet simple - to -use, rotating vane anemometer. High accuracy and reliability make the VelociCalc 5725 the professional's ideal tool for measuring unevenly distributed or fluctuating flows through heating and cooling coils, diffusers, grilles, and filters.

It accurately measures air velocity and temperature, calculates flow rate, performs averaging, and can determine minimum and maximum readings. Using sweep mode you can quickly provide one averaged reading of velocity or volume over a large measurement area. The large vane head automatically averages velocity and volume readings. The VelociCalc 5725 includes variable time constant, sampling and statistics functions and data logging capability.


  • Reversible 4-inch (100 mm) head to read supply and exhaust flows

  • Calculates volumetric flow rate when user inputs duct shape and size, or area

  • Sampling function records multiple point measurements

  • Automatic averaging of air velocity

  • Simultaneously displays velocity and temperature

  • Sweep mode for one overall measurement

  • Optional 36-inch telescopic probe available

  • Compatible with optional Aircone flow hoods

  • Logs 12,700+ samples with a time and date stamp

  • Recall, review, store data



Thermo-anemometer with built-in IR thermometer and external probe for measuring of wind velocity (cable 1,2 m), aslo measures the air flow in CMM and CFM

Air flow: Range Accuracy 
m/s 0.40..30.00 ±3% ±0.20 m/s
ft/min 80..5900 ±3% ±40 ft/min
km/h 1.4..108.0 ±3% ±0.8 km/h
MPH 0.9..67.0 ±3% ±0.4 MPH
knots 0.8..58.0 ±3% ±0.4 knots
Air temperature -10..60 °C ±2.0 °C
IR thermometer -20..260°C ±5.0 °C 
-50..500°C ±5.0 °C



Hydronic Manometer HM685 is used to balance hydronic heating and cooling systems, check pump performance and set balancing valves. It can measure and display differential, high side and low side pressures simultaneously, without the need to change hose connections or instrument valve settings. The easy setup and intuitive operation make this instrument very simple to use.
  • Provides for inputs for two temperature probes
  • Large backlit display for use in low light areas
  • Operates on four alkaline or NiMH rechargeable batteries
  • Reads in H 2 O, ft. H 2 O, psi, in. Hg, mm Hg, m H 2 O, kPa or bar
  • Differential pressure range ±300 psi (±2068 kPa)
  • Gauge pressure range -20 to 300 psi (-138 to 2068 kPa)  
  • Performs on-board universal flow and btu/hr calculations
  • Displays volumetric flow when a Cv (Kv) factor is programmed
  • Allows up to 100 Cv (Kv) factors to be entered
  • Calculates brake power, heat flow, Cv (Kv) factors, and impeller sizing
  • Stores up to 4,000 data points for recall or downloading via USB interface
POWER CLAMP METER (Extech 380976-K)


The 380976-K is a Single Phase/3 Phase 1,000 Amp AC Power Clamp Meter Kit. Measures 1/3-Phase True Power (kW), Apparent Power (kVA), Reactive Power (kVAR), Horsepower (HP), Power Factor, and Phase Angle with Lead/Lag indicator. Auto Detect AC/DC Voltage measurements with simultaneous frequency display. In addition, the supplied test lead kit includes two CAT IV 72" test leads, 2 modular test probe handles, 2 plunger activated jaw clips, and 2 extra-large alligator clips. Complete with test lead kit, Type K probe, carrying case and 9V battery.


  • 1.6" (40mm) clamp jaw opening and large dual LCD display (9999 count)

  • Measures 1/3-Phase True Power (kW), Apparent Power (kVA), Reactive Power (kVAR), Horsepower (HP), Power Factor, and Phase Angle with Lead/Lag indicator

  • AC+DC µA current with 10nA resolution for flame rod tests

  • Auto Detect AC/DC Voltage measurements with simultaneous frequency display

  • Capacitance to 7000µF with 0.001µF resolution

  • High Resistance tests to 100MOhm

  • Type K, °C/°F switchable, temperature to 1000°F

  • Diode and Continuity tests

  • Complete with test lead kit, general purpose Type K thermocouple probe, carrying case, and 9V battery



The Fluke 302+  features of AC current measurements up to 400 A, a large 30 mm jaw opening and CAT IV 300 V/CAT III 600 V safety rating.


  • AC Current Range: 400 A

  • AC Current Accuracy: 1.8% ±5

  • AC Voltage Range: 400/600

  • AC Current Accuracy: 1.5% ±5

  • DC Voltage Range: 400/600

  • AC Current Accuracy: 1.5% ±5



The AccuBalance® Air Capture Hood 8380 is manufactured by TSI, and is a multipurpose electronic air balancing instrument, that is mainly utilized for efficient taking direct air volume readings at diffusers and grilles. It has an ultra lightweight and ergonomic design that is easy for one person to operate.

The unit has capture hood that is automatically senses and displays supply or return flows that saves time on the job. It has back pressure compensation that assures accurate readings. 

The unit has removable micro-manometer that accurately measures pressure, velocity and flow to support in meeting the industry standard. It comes with multi-country AC adapter and USB interface cable. It is widely applied in HVAC commissioning, clean room certification, troubleshooting HVAC systems and testing and balancing HVAC systems.



  • Velocity Range Pitot probes 25 to 15,500 ft/min (0.125 to 78 m/s)

  • Air flow probe 25 to 5,000 ft/min (0.125 to 25 m/s)

  • Velocity matrix 25 to 2,500 ft/min (0.125 to 12.5 m/s)

  • Accuracy ±3% of reading ±7 ft/min (±0.04 m/s) at velocities >50 ft/min (>0.25 m/s)

  • Units ft/min, m/s Resolution 1 ft/min (0.01 m/s)

  • Pressure Differential pressure ±15 in. H2O (±3735 Pa); 150 in. H2O (37.5 kPa), maximum safe operating pressure

  • Absolute pressure 15 to 40 in. Hg (356 to 1016 mm Hg)

  • Accuracy ±2% of reading ±0.0001 in. H2O (±0.025 Pa) static and differential; ±2% of reading absolute

  • Units in. H2O, in. Hg, Pa, hPa, kPa, mm Hg, cm Hg, mm H2O, cm H2O,

  • Resolution 0.00001 in. H2O (0.001 Pa) static and differential; 0.01 in. Hg (1 mm Hg)

  • absolute Volume Range 25 to 2,500 ft3 /min (42 to 4250 m3 /h)

  • capture hood Accuracy ±3% of reading ±7 ft3 /min (±12 m3 /h) at flows >50 ft3 /min (>85 m3 /h)

  • Units ft3 /min, m3 /h, m3 /min, l/s Resolution 1 ft3 /min (1 m3 /h)

  • RH Range 5 to 95% RH temperature/RH probe Accuracy ±3% RH Resolution 0.1% RH

  • Temperature Sensor in base 40 to 140°F (4.4 to 60°C)

  • Temperature/RH probe 14 to 140°F (-10 to 60°C) Accuracy ±0.5°F (±0.3°C) Units °F, °C Resolution 0.1°F (0.1°C) Instrument

  • Temperature Range Operating 40 to 140°F (4.4 to 60°C)

  • Storage -4 to 160°F (-20 to 71°C) Statistics min, max, average

  • Data Storage 26,500 samples, time and date stamped



The tachometer carries out rpm measurements on motors, shafts, fans, etc., but that’s not all. With this handy instrument, you can also determine speeds and lengths (of conveyor belts and rotors, for example).



  • Measuring range: 1 to 99999 rpm

  • Accuracy  ±0.02 of mv

  • Resolution:  0.01 rpm (1 to 99.99 rpm),  0.1 rpm (100 to 999.9 rpm,  1 rpm (1000 to 99999 rpm)



Testo 480 is a high-precision digital temperature, humidity and air flow meter which allows  to measure, analyze and log all relevant ventilation and indoor air quality parameters with only one device.

The high-precision digital temperature, humidity and air flow meter is designed to provide independent experts, consultants, technical service providers and HVAC technicians in the field of ventilation and indoor air quality with an efficient means of carrying out all their measurements – i.e. norm-compliant setting and adjustment of air conditioning and ventilation systems in offices, residential and industrial buildings – using just one single device. It is also designed to check quality parameters in production and processing quickly and reliably.


The testo 480 has a built-in, high-precision difference pressure sensor for pitot static tube measurements and filter/clean room monitoring. There is also a wide range of high-quality optional sensors for carrying out the following measurements:

  • Air flow and volume flow (also fume cupboard measurements)

  • Temperature

  • Humidity

  • Pressure (difference and absolute pressure)

  • CO2

  • Illumination intensity


  • Heat radiation

  • Degree of turbulence

  • WBGT Index

The testo 480 digital temperature, humidity and air flow meter comes with a wide range of optional sensors and accessories – like the wireless testo quick printer for print outs on site – which allow you to customize your meter to suit your own pocket and meet your own needs.



Digital Thermal Flow Velocity Probe (thermal anemometer) is used to determine flow velocity and volume flow in ventilation ducts or at wall/ceiling outlets. It is particularly suitable for low and medium flow velocities up to 20 m/s. The probe can also measure temperature, humidity and absolute pressure simultaneously.

  • For use with 480 Multi-Function VAC Measuring Instrument

  • Performs four functions: measurement of air flow, absolute pressure, humidity, and temperature

  • Ideal for measurements in ventilation ducts and at wall/ceiling outlets

  • Probe built with intelligent calibration concept, allowing for generation of zero-error display

  • Readings processed directly in digital probe

  • Flow probe bendable up to 90 degrees

  • Integrated measurement button on handle

  • Robust telescope extends up to 3.6 ft. (1100 mm)

  • Velocity (thermal anemometer) measuring range: 0 to 3937 fpm (0 to 20 m/s)

  • Velocity (thermal anemometer) accuracy: +/-(5.90 fpm + 4% of mv)

  • Absolute pressure measuring range: 700 to 1100 hPa (280 to 440 InH2O)

  • Absolute pressure accuracy: +/- 3 hPA (+/- 1 InH2O)

  • Humidity (capacitive) measuring range: 0 to 100 %rH

  • Humidity (capacitive) accuracy: +/- (1.8 %rH + 0.7 % of mv)

  • Temperature (NTC) measuring range: -4 to 158 degrees F (-20 to 70 degrees C)

  • Temperature (NTC) accuracy: +/- 0.9 degrees F

  • Probe telescope length (max.): 3.6 ft. (1100 mm)

  • Probe head diameter: 0.4 in. (10 mm)

  • Probe shaft length: 7.9 in. (200 mm)



The waterproof immersion and penetration probe (thermocouple type K) can be connected to many different measuring instruments. The probe can be used in a variety of applications, e.g. in industrial production or quality assurance.

Measuring range: -76.0° to 752.0 °F / -60 to +400 °C

Accuracy: Class 2 (According to standard EN 60584-2, the accuracy of Class 2 refers to -40 to +1200 °C.)

Reaction time: 7 sec



The testo 865 thermal imager offers professional technology and concentrates on functions which are needed in a contractor's daily work. The testo 865 is a user-friendly thermal imager, optimized for fast and efficient work. With the testo ScaleAssist functions ensuring optimum setting of the thermal image scale for building thermography and the IFOV warner making sure you avoid measurement errors, you will always generate the perfect infrared image.


Focus: Fixed focus


Infrared resolution: 160 x 120 pixels


Image refresh rate: 9 Hz


SuperResolution (IFOV): 2.1 mrad

SuperResolution (Pixel): 320 x 240 pixels


Geometric resolution (IFOV): 3.4 mrad


Minimum focus distance: <0.5 m


Field of view: 31° x 23°


Thermal sensitivity: 120 mK


Spectral range: 7.5 to 14 µm

Measuring range: -20 to +280 °C


Accuracy: ±2 °C, ±2 % of mv


Emissivity: 0.01 to 1


Measuring function


Analysis function


Mean point measurement,


hot/cold-spot recognition,



The Testo 830-T2 IR thermometer with laser measurement spot marker and 12:1 optics is suitable for non-contact surface temperature measurements.


Measuring range: -58.0° to 932.0 °F / -50 to +500 °C


Accuracy: ±0.9 °F + 0.5 % of mv / ±0.5 °C + 0.5 % of mv


Resolution: 0.1 °F / 0.1 °C


Measuring rate: 1.75 sec

Temperature - Infrared


Measuring range: -22.0° to 752.0 °F / -30 to +400 °C

Accuracy: ±2.7 °F or ±1.5 % of mv (+32.2 to +752 °F) / ±1.5 °C or ±1.5 % of mv (+0.1 to +400 °C)

±3.6 °F or ±2 % of mv (-22.0° to 32.0 °F) (the higher value applies) / ±2 °C or ±2 % of mv (-30 to 0 °C) (the higher value applies)


Measuring rate: 0.5 sec

Infrared resolution: 0.1 °F / 0.1 °C



TSI static pitot tubes giving choice of telescopic, fixed length and jointed tubes to suit virtually any application. Pitots with adjustable mounting glands are available for permanent installation.  For use in airstream temperatures up to 680°C (1256°F) and for short periods up to 800°C (1472°F). Suitable for sensing in heating, ventilation and air conditioning equipment including commissioning and troubleshooting. Compatible for use with electronic and fluid filled manometers and pressure transmitters.

  • Modified Ellipsoidal nose conforms to BS 1042 section 2.1

  • Excellent accuracy, K factor 0.997

  • Totally compatible with manometers, pressure gauges and pressure transmitters

  • Excellent yaw and pitch characteristics

  • Spring clip markers for insertion

  • Direction pointer to ensure correct alignment

  • Ideal for measurement of velocity in hostile environments

  • COSHH assessment and environmental testing



HM Temperature probe, 4" probe length (10.2 cm)



Advanced Duct Air Leakage Test (DALT) device from the Industry leader Taehung Technologies (Korea)



The Extech TM100 Type J/K Single Input Thermometer has a wide temperature range of -328 to 2501°F/-200 to 1372°C for type k and -346 to 2012°F / -210 to 1100°C for type j measurements. It has a high 0.1°/1° resolution and a large backlit LCD display with readouts in °F, °C, or Kelvin. The data hold function freezes the reading on the display and the screen displays the Max/Min/Avg. Readings capture a relative time stamp.


Also, the offset key is used for zero function to make relative measurements. Auto power off with a disable feature. This thermometer comes complete with the Type K bead wire temperature probe and one 9V battery.

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