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Instruments for leak detection and for electrical, temperature, airflow, noise and dimensional measurements during HVAC installation and servicing.
Refrigerant leak detectors - with an infrared sensor or a heated diode sensor, for refrigerant leaks; the heated diode version also detects HC refrigerants and a nitrogen-hydrogen mixture.
Electrical measurements - multimeter, clamp meter up to 400 A, phase rotation tester, non-contact voltage detector and in-wall cable detector.
Temperature - infrared thermometer (from -50 to +500 °C) and thermal imaging camera (from -20 to +550 °C).
Air and noise - anemometer (0–30 m/s) and sound level meter (30–130 dB).
Dimensions - laser distance meter (up to 40 m) and digital caliper (0–150 mm).