Handheld Thermal Camera — HIKMICRO B21LS
The HIKMICRO B21LS is a handheld thermal camera designed for temperature measurement and troubleshooting. The device uses a 256 × 192 (49,152 pixels) thermal detector and delivers thermal images at a 25 Hz frame rate. The B21LS displays live images on a 3.2" LCD with 480 × 640 pixels and can save radiometric JPEG images as well as radiometric/MP4 video.
What the product does
The B21LS measures surface temperatures within the range of -20 °C to 550 °C, with two documented sub-ranges (-20 °C to 150 °C and 100 °C to 550 °C). The camera supports SuperIR image enhancement and SuperScene intelligent detection, and it can provide alerts based on temperature limits. Radiometric data can be streamed over UVC and Wi‑Fi, as well as saved locally on the built-in 16 GB eMMC.
Usage and functionality
As a field tool for technical personnel, the HIKMICRO B21LS is used to identify temperature deviations and high temperatures via radiometric images and video. The camera offers multiple measurement modes (center spot, max spot, min spot) and alarm functionality (more than/less than). Connected via Wi‑Fi (802.11 b/g/n, 2.4 GHz) or USB Type‑C, data can be transferred or streamed to external devices.
Typical applications
- Building inspection (stated in manufacturer's documentation)
- Ventilation, heating, and air conditioning (HVAC) (stated in manufacturer's documentation)
- Automotive (stated in manufacturer's documentation)
Documentation
See datasheet from the manufacturer
Specifications
- IR resolution: 256 × 192 (49,152 pixels)
- Temperature measurement range: -20 °C to 550 °C (sub-ranges -20 °C to 150 °C and 100 °C to 550 °C)
- Accuracy: Max (±2 °C/±2%) for ambient temperature 15 °C to 35 °C and object > 0 °C
- NETD: < 40 mK (@ 25 °C, F#=1.0)
- Frame rate: 25 Hz
- Display: 3.2" LCD, 480 × 640 resolution
- SuperIR: Supported
- SuperScene intelligent detection: Supported (e.g., water leakage, insulation scene)
- Storage: Built-in 16 GB eMMC (user space less than nominal)
- Image capacity: Approx. 35,000 images (radiometric JPEG)
- Video capacity: Approx. 114.3 hours (compressed radiometric video)
- Streaming: Radiometric video over UVC and Wi‑Fi
- Wireless: Wi‑Fi 802.11 b/g/n (2.4 GHz)
- Interface: USB Type‑C
- Power: Rechargeable Li‑ion battery, operating time approx. 6 hours, charging time approx. 3 hours
- Protection: IP54
- Drop test: 2 m
- Operating temperature: -10 °C to 50 °C
- Storage temperature: -20 °C to 60 °C
- Relative humidity: < 95% non-condensing
- Weight: Approx. 380 g
- Dimensions: 221.7 × 73.5 × 123.8 mm
- Tripod mount: UNC 1/4"‑20
- Laser: Class II
- Power supply: USB‑C (5V/2A)
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