UNI-T UT336A Refrigerant Leak Detector – CFC / HCFC / HFC Halogen Gas, Negative Corona Sensor, 6 Sensitivity Levels, Audio-Visual Alarm, Flexible Probe 220V to 12V 1A Power Supply 5mBlind: 25cmWiring: + 5V (positive

5mBlind: 25cmWiring: + 5V (positive power supply)Trig (control side) RXEcho (the receiver) TXGND (negative)Module size: 41mm * 28

Backlight: Provides clear visibility in low-light conditions

3216 is another name that the SMD is commonly known as

This resistor is call as a digital potentiometer

UNI-T UT336A Refrigerant Leak Detector – CFC / HCFC / HFC Halogen Gas, Negative Corona Sensor, 6 Sensitivity Levels, Audio-Visual Alarm, Flexible Probe 220V to 12V 1A Power Supply 5mBlind: 25cmWiring: + 5V (positiveUNI T UT336A professional refrigerant leak detector for HVAC and refrigeration service, sensing CFC, HCFC and HFC halogenated refrigerants with a sensitive flexible probe. Genuine UNI T product supplied by Digilog. pk with user manual and warranty. Key Features Detects CFC, HCFC & HFC halogenated refrigerants Negative corona sensor, max sensitivity 3 g a 6 adjustable sensitivity & alarm levels Audible + visual alarm; 3 s warm up Flexible gooseneck