The BT-72 is BST Caltek's professional-grade thermal imaging camera combining 160x120 IR resolution with a full-featured analysis suite. Delivering ±2°C accuracy and 0.1°C thermal sensitivity, it captures detailed thermal images for HVAC commissioning, building envelope surveys, electrical panel inspection and predictive maintenance.
IR Optical
IR Resolution
160 x 120 pixels (19,200 total)
Field of View (FOV)
25° x 19°
Spatial Resolution (IFOV)
2.73 mrad
Measurement
Temperature Range
−20 ~ +500°C (−4 ~ +932°F)
Accuracy
±2°C or ±2% (whichever greater)
Thermal Sensitivity (NETD)
0.1°C at 25°C
Emissivity
0.01–1.00 adjustable
Measurement Modes
Spot · Area · Line · Isotherm
Temperature Markers
Centre spot · Max hot spot · Min cold spot
Alarm
HAL / LAL Temperature Alarm
Display
Type
3.2-inch TFT colour LCD
Resolution
320 x 240 pixels
Colour Palettes
Iron · Rainbow · Grey · Hot Iron · Cool · Lava
Storage
Image Format
PNG (IR + visual fusion)
Data Export
Excel + PNG per image
Capacity
100,000 images on 16G Micro SD (up to 32G)
Connectivity
Interface
USB (data transfer)
Power
Battery Type
3.7V Li-ion rechargeable
Battery Life
4 hrs continuous (with backlight ON)
Charging
USB port · First use: charge 12 hrs
Physical
Dimensions
96 x 74 x 234 mm
Weight
345 g (12.17 oz, with battery)
Languages
Supported
EN · FR · DE · NL · PT · IT · ES · 繁中 · 简中 · JA
Accessories
Box Contents
Camera · Li-ion battery · 16G Micro SD · Mini USB cable · User manual · Tool box
Carton (5 sets)
530 x 370 x 340 mm · N.W. 7.425 kg · G.W. 8.675 kg
Certifications