HIKMICRO B21L is designed for temperature measurement to find invisible faults. It’s equipped with a 256 x 192 high-resolution thermal detector, giving you enhanced details for your inspection. The thermography ranges from -20°C ~ 550°C (-4°F ~ 1022°F), which meets the most situation. It helps the staff to quickly find the fault according to accurate temperature measurements of high-temperature targets in the environment. Meanwhile, it provides assistance decisions and ensures safety. The device is mainly applied to various industries, such as Building, HVAC, auto industry, etc. FEATURES ● Thermal Resolution: 256 x 192 (49,152 pixels)● NETD: < 40mK (@ 25°C, F# = 1.0)● Temperature Measurement Range: -20°C ~ 550°C (-4°F ~ 1022°F)● Accuracy: Max (±2°C/3.6°F, ±2%), for ambient temperature 15°C to 35°C (59°F to 95°F) and object temperature above 0°C (32°F)● Measurement Presets: Center spot, Hot spot, Cold spot, User Preset Point● 25Hz image frequency● 3.2'' LCD screen display● Up to 6 hours of continuous running