HIKMICRO B21L B Series Handheld Thermal Camera 256×192px <40 mK
The HIKMICRO B21L Thermal Camera is a robust and versatile tool designed for precise temperature measurements and efficient fault detection across a range of industries. Equipped with a 256 × 192 high-resolution thermal detector, it offers detailed thermal images for thorough inspections. With a temperature measurement range spanning from -20°C to 550°C (-4°F to 1022°F), this camera is perfect for applications such as building diagnostics, HVAC system monitoring, and automotive assessments, providing crucial insights into high-temperature targets.
Featuring an impressive NETD of < 40 mK (@ 25°C, F#=1.0), the B21L ensures excellent sensitivity, detecting even the smallest temperature changes. The camera’s accuracy of ±2°C/3.6°F combined with a 25 Hz image frequency ensures fast, reliable results. It also includes measurement presets for Center Spot, Hot Spot, Cold Spot, and User Preset Points, offering customization based on your specific inspection needs.
The B21L’s 3.2” LCD screen delivers clear, sharp thermal images for easy visual analysis, and it provides up to 6 hours of continuous operation for extended use in the field. A highly effective tool for temperature measurement, fault diagnosis, and decision-making, the HIKMICRO B21L is an invaluable asset for professionals requiring high performance and dependability in their inspections.
Key Features:
- Thermal resolution: 256 × 192 (49,152 pixels)
- NETD: < 40 mK (@ 25 °C,F#=1.0)
- Temperature measurement range : -20°C to 550°C (-4°F to 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
- 25 Hz image frequency
- 3.2” LCD screen display
- Up to 6 hours continuous running
Specification
| IR Resolution | 256 × 192 (49,152 pixels) |
| SuperIR | Yes, on captured thermal images |
| NETD | < 40 mK (@ 25°C, F#=1.0) |
| Image Frequency | 25 Hz |
| Detector Pitch | 12 μm |
| Spectral Range | 7.5 to 14 μm |
| Focal Length | 3.6 mm |
| F-number | F1.0 |
| Field of View (FOV) | 37.2° × 50.0° |
| Spatial Resolution (IFOV) | 3.3 mrad |
| Minimum Focus Distance | 0.3 m (0.98 ft) |
| Focus Mode | Focus Free |
| Display | 240 × 320 resolution, 3.2″ LCD screen |
| Color Palettes | White Hot, Black Hot, Rainbow, Ironbow, Red Hot, Fusion |
| Color Alarm | Above alarm |
| Image Modes | Thermal |
| Object Temperature Range | -20°C to 550°C (-4°F to 1022°F) |
| Accuracy | Max. (±2°C / 3.6°F, ±2%), for ambient 15°C to 35°C and object temperature above 0°C |
| Measurement Tools | Center Spot, Hot Spot, Cold Spot, User-definable |
| Level and Span Mode | Auto / Manual |
| Storage Media | Built-in 16 GB flash memory |
| Image Storage Capacity | Approx. 90,000 images |
| Wi-Fi | 802.11 b/g/n (2.4 GHz) |
| USB Interface | USB Type-C |
| Battery Type | Rechargeable Li-ion battery |
| Battery Operating Time | Approx. 6 hours |
| Battery Charging Time | Approx. 3 hours (full charge) |
| Protection Level | IP54 |
| Drop Test Height | 2 m (6.56 ft) |
| Working Temperature Range | -10°C to 50°C (14°F to 122°F) |
| Storage Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Relative Humidity | < 95% non-condensing |
| Weight | Approx. 380 g (0.84 lb) |
| Dimensions | 221.7 × 73.5 × 123.8 mm (8.73 × 2.89 × 4.87 in) |
| Tripod Mounting | UNC 1/4″-20 |
| Laser | Yes, Class II |


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