Elitech ELD-210 Heated Diode Portable Semiconductor Refrigerant Leak Detector - High Sensitivity, Dual Alarm, Ergonomic Design for Quick & Accurate Leak Detection

Power Supply: 3 AA batteries
Principle of the sensor: Heated Diode
Sensitivity: Three-level sensitivity adjustment, High:3g/a, Medium:7g/a, Low:14g/a
(g/a:grams of leakage per year)
Detectable gases: Suitable for all halogen refrigerants,including but not limited to: CFCs:e.g.,R12,R11,R500,R503
HCFCs:e.g.,R22,R123,R124,R502
HFCs:e.g.,R134a,R404a,R410a,R407C,R32
HCs:e.g.,R600a,R290
HFOs:e.g.,R1234YF
Alarm method: Digital display; Sound indicator
Operating environment: Temperature:0-50℃(32-122°F)
Humidity:<80%RH,no condensation
Working time: 7 hours
Charging time: 4 hours
Specifications and dimensions: 435*245*72mm
Weight: 415g (14.6oz)