Thermal Imaging Instruments
HT04D 160×120 Thermal Imaging Camera -20°C to 550°C
HT04D handheld thermal imaging camera with 160×120 infrared resolution, a -20°C to 550°C measurement range and visible-light fusion for electrical, HVAC, mechanical and building inspections. OEM and private-label options are available.
Specifications
- Infrared Resolution
- 160×120 pixels
- Temperature Range
- -20°C to 550°C (-4°F to 1022°F)
- Measurement Accuracy
- ±2°C or ±2% (-15°C to 550°C)
- Thermal Sensitivity
- ≤40 mK at 25°C, F/1.0
- Field of View
- 50° × 37.2°
- Frame Rate
- ≤25 Hz
- Display
- 2.8-inch, 240×320 pixels
- Battery
- Removable 2000 mAh rechargeable 18650
HT04D HANDHELD THERMAL IMAGING CAMERA
The HT04D is a handheld infrared thermal imaging camera developed for fast, non-contact inspection of electrical equipment, HVAC systems, mechanical components and building surfaces. It helps technicians see temperature distribution across an area instead of checking one point at a time.
With infrared and visible-light imaging in one instrument, the camera gives maintenance teams clearer context when locating hot connections, overloaded components, heat loss, abnormal friction and other temperature-related problems. The pistol-grip housing, front capture trigger and color display are designed for practical field use.
KEY FEATURES
• Thermal and visible-light imaging: View heat patterns together with recognizable scene details for easier inspection and reporting.
• Focus-free operation: Start scanning quickly without stopping to adjust a manual focus ring.
• Hot-spot and cold-spot indication: Identify temperature extremes within the displayed scene.
• Adjustable emissivity: Improve measurement suitability for different surface materials and finishes.
• Multiple color palettes: Select a palette that makes the relevant temperature contrast easier to interpret.
• Image and video capture: Record inspection results for maintenance documentation and customer reports.
• Rechargeable handheld design: Suitable for mobile inspection work in workshops, plant rooms and job sites.
TYPICAL APPLICATIONS
Electrical Inspection
Scan distribution panels, breakers, terminals, busbar connections and cable joints for unusual heating. Thermal imaging can help maintenance teams prioritize closer inspection before a temperature anomaly develops into an unplanned shutdown.
HVAC and Refrigeration
Check supply and return air patterns, radiators, underfloor heating, compressor areas, refrigerant lines and heat exchangers. A thermal image provides a fast overview before contact measurements or detailed diagnosis.
Mechanical Maintenance
Compare bearings, motors, couplings and other operating components for abnormal temperature differences. Repeated inspections under similar load conditions can support preventive maintenance programs.
Building Inspection
Visualize insulation gaps, air leakage, moisture-related temperature differences and heating-system performance. Site conditions, surface emissivity and temperature contrast should always be considered when interpreting the image.
SPECIFICATION CONFIGURATION
HT04D configurations can differ by detector version and measurement range. Infrared resolution, maximum temperature, accuracy, field of view, storage capacity and supplied accessories should be confirmed on the final quotation and approved specification sheet before ordering.
FOR DISTRIBUTORS AND OEM BUYERS
ZYD supplies thermal imaging instruments for distributors, industrial suppliers, HVAC/R wholesalers and private-label programs. Contact us with your target resolution, temperature range, application, packaging language and order quantity. We can help confirm the appropriate HT04D configuration and available OEM options before sampling.HT04D 160×120 HANDHELD THERMAL IMAGING CAMERA
The HT04D is a handheld infrared thermal imaging camera for fast, non-contact inspection of electrical equipment, HVAC systems, mechanical components and building surfaces. Its 160×120 infrared detector helps technicians view temperature distribution across an area instead of checking one point at a time.
With infrared, visible-light and dual-light fusion modes, the camera gives maintenance teams clearer context when locating hot connections, overloaded components, heat loss, abnormal friction and other temperature-related problems. The pistol-grip housing, front capture trigger and 2.8-inch color display are designed for practical field use.
KEY FEATURES
• 160×120 infrared resolution for clear thermal pattern recognition.
• Wide -20°C to 550°C measurement range with selectable low and high ranges.
• Visible-light camera and adjustable dual-light image fusion for easier identification of inspected components.
• Center-point measurement plus automatic hot-spot and cold-spot tracking.
• Adjustable emissivity from 0.01 to 1.00 for different surface materials.
• Five color palettes: rainbow, iron, cold color, white hot and black hot.
• JPG image and MP4 video recording for inspection documentation.
• Built-in 4 GB eMMC storage with approximately 3 GB available to the user.
• USB Type-C connection for charging and file export.
• Removable 2000 mAh rechargeable 18650 lithium battery.
TYPICAL APPLICATIONS
Electrical Inspection
Scan distribution panels, breakers, terminals, busbar connections and cable joints for unusual heating. Thermal imaging can help maintenance teams prioritize closer inspection before a temperature anomaly develops into an unplanned shutdown.
HVAC AND REFRIGERATION
Check supply and return air patterns, radiators, underfloor heating, compressor areas, refrigerant lines and heat exchangers. A thermal image provides a fast overview before contact measurements or detailed diagnosis.
MECHANICAL MAINTENANCE
Compare bearings, motors, couplings and other operating components for abnormal temperature differences. Repeated inspections under similar load conditions can support preventive maintenance programs.
BUILDING INSPECTION
Visualize insulation gaps, air leakage, moisture-related temperature differences and heating-system performance. Site conditions, surface emissivity and temperature contrast should always be considered when interpreting the image.
TECHNICAL SPECIFICATIONS
Model | HT04D
Infrared resolution | 160×120 pixels
Detector | Vanadium oxide uncooled infrared focal plane array
Temperature range | -20°C to 550°C (-4°F to 1022°F)
Measurement accuracy | -15°C to 550°C: ±2°C or ±2%; -20°C to -15°C: ±4°C
Thermal sensitivity (NETD) | ≤40 mK at 25°C, F/1.0
Field of view | 50° × 37.2°
IFOV | 5.31 mrad
Lens focal length | 3.2 mm
Spectral range | 8-14 μm
Frame rate | ≤25 Hz
Focus | Fixed / focus-free
Emissivity | Adjustable from 0.01 to 1.00
Measurement display | Center point plus hot-spot and cold-spot tracking
Color palettes | Rainbow, iron, cold color, white hot and black hot
Image modes | Infrared, visible light and dual-light fusion
Display | 2.8-inch, 240×320 pixels
Storage | Built-in 4 GB eMMC; approximately 3 GB available
File formats | JPG images and MP4 video
Interface | USB Type-C
Battery | Removable rechargeable 18650 lithium battery, 2000 mAh
Typical operating time | 2-3 hours
Menu languages | English, Chinese, Italian and German
Product size | 96 × 72 × 226 mm
Product weight | 375 g
FOR DISTRIBUTORS AND OEM BUYERS
ZYD supplies thermal imaging instruments for distributors, industrial suppliers, HVAC/R wholesalers and private-label programs. Contact us with your target application, packaging language and order quantity. We can help confirm sample requirements, packaging and available OEM options before ordering.