Features:

Wide Range Detection: Capable of detecting CFCs, HCFCs, and HFCs, including R11, R12, R22, and R134a, covering multiple refrigerants and ensuring comprehensive leak detection.

High Sensitivity and Accuracy: Offers a resolution of 1 PPM and can detect leaks as small as 0.5 oz/year (14g/year) for optimal precision in identifying refrigerant leaks.

Quick Response Time: With a warm-up time of just 30 seconds and a response time of less than 10 seconds, this detector ensures rapid and efficient leak detection.

User-friendly Interface: Equipped with an LCD liquid crystal display that includes automatic backlight lighting, providing clear and easy-to-read information on gas concentration, battery power, and more.

Versatile Alarm System: Includes sound, LED, and vibration indication alarms, along with an audio prompt where higher buzzer frequency indicates higher concentration, ensuring immediate attention and action.

Specifications:

Model: SW-743A

Range: 0~1000PPM

Resolution: 1PPM

Maximum Sensitivity: R12/R22 and T134A@0.5 oz/year (14g/year)

Warm-up Time: 30 seconds

Response Time: <10 seconds

Sampling Method: Diffusion Type

Operating Voltage: DC(4.5V)3 AAA alkaline dry batteries (Battery not included)

Runtime: > 6 hours

Display: LCD with automatic backlighting

Alarm Settings: Low and High report function settings

Audio Prompt: Variable buzzer frequency

Applicable Humidity Range: -10°C to 50°C

Applicable Temperature Range: <95% RH (non-condensing)

Size: 1566427mm

Weight: About 200g

Package Included:

1 x SW-743A Gas Leak Detector (no battery)

1 x User Manual

1 x Calibration Tube

1 x Carrying Case