Standard model of a leak detector with excellent cost performance.
●Multi-color display with 3-level sensitivity switching Leak detection indication with buzzer sound and 7-level LED indicator (3 colors). Sensitivity can be switched between 3 levels using the Lo/Hi button. *Medium sensitivity when powered ON.
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■Specifications Model Number: MD7A4-LD30MBT Compatible Refrigerants: R410A, R32, R407C, R404A, R134a, R22, R1234yf, R448A, R449A, R463A-J, etc. Detection Sensitivity: 3g/year (Hi), 15g/year (Mi), 30g/year (Lo) [R410A] Detection Display Method: Buzzer sound and 7-level LED indicator (3 colors) Warm-Up Time: Approximately 45 seconds Auto Power Off: Approximately 10 minutes Operating Environment Temperature: 0 to 45°C, Humidity 80% or less Power Supply: 2 x AA alkaline batteries Size (Main Unit): L222 x W66 x H51 mm Weight: Approximately 420g (including batteries) Accessories: Carrying case, leak check liquid
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Pressing and holding the [RESET] button for 2 seconds will light it up orange. This automatically resets the state of the atmosphere gas to zero, making it only respond in a more concentrated state. It will continue to sound when gas is detected. By pressing the [RESET] button, it will be zero-adjusted, and it will only respond in a more concentrated area. ● Replacement Sensor By adopting a semiconductor sensor, it is compatible with various types of freon gas.
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