BOSCH GTC 400 C -Thermal Camera
BOSCH GTC 400 C -Thermal Camera
BOSCH GTC 400 C -Thermal Camera
The BOSCH GTC 400 C is a professional-grade thermal imaging camera that detects infrared radiation and converts it into visible thermal images for non-contact temperature measurement and diagnostics. HVAC technicians, electrical maintenance professionals, building inspectors, and industrial maintenance engineers use this device to identify thermal anomalies, locate insulation defects, detect electrical hotspots, and diagnose equipment failures without physical contact. This thermal camera solves the critical problem of detecting hidden temperature variations in electrical systems, mechanical equipment, and building envelopes that are invisible to the naked eye, enabling predictive maintenance and preventing costly equipment failures.
Product Overview
The BOSCH GTC 400 C operates on the principle of thermal imaging using an uncooled microbolometer sensor that detects infrared radiation in the 7.5 to 13 micrometer wavelength range. The camera converts thermal energy into electrical signals, which are processed and displayed as a color-coded thermal image on the 3.5-inch LCD screen, where warmer objects appear in red/yellow and cooler objects in blue/purple. The device measures temperatures from -10°C to +400°C with an accuracy of ±2% of the reading or ±2°C, making it suitable for both low-temperature HVAC diagnostics and high-temperature industrial applications. The 160x120 pixel thermal resolution provides sufficient detail for identifying problem areas at distances up to 5 meters, while the 24-degree field of view ensures comprehensive thermal mapping of equipment and structures.
What distinguishes the GTC 400 C is its combination of rugged construction, intuitive user interface, and practical measurement tools designed for field professionals. The device features adjustable emissivity settings (0.1 to 1.0) to account for different material surface properties, ensuring accurate temperature readings across various materials including metals, plastics, and painted surfaces. The built-in laser pointer enables precise targeting of measurement areas, while the adjustable color palette and temperature range settings allow technicians to optimize image contrast for specific diagnostic tasks. The camera's IP54 dust and splash protection rating makes it suitable for demanding job site conditions, and its compact 220-gram form factor with ergonomic grip design enables single-handed operation during extended diagnostic sessions.
Key Specifications
| Specification | Details |
| Product Type | Thermal Imaging Camera |
| Brand | BOSCH |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Temperature Range | -10°C to +400°C |
| Temperature Accuracy | ±2% of reading or ±2°C |
| Thermal Sensor | Uncooled Microbolometer 160x120 pixels |
| Display | 3.5-inch color LCD screen |
| Field of View | 24 degrees |
| Measurement Distance | Up to 5 meters |
| Protection Rating | IP54 (dust and splash resistant) |
| Weight | 220 grams |
| Power Source | 4x AA batteries |
| Battery Life | Approximately 4-5 hours continuous use |
Key Features
- Extended Temperature Range: Measures from -10°C to +400°C with ±2% accuracy, enabling diagnosis of both refrigeration systems and high-temperature industrial equipment without requiring multiple instruments
- Adjustable Emissivity Control: Compensates for different material surface properties (0.1 to 1.0 range) to ensure accurate temperature readings across metals, ceramics, plastics, and painted surfaces commonly encountered in field diagnostics
- Real-time Thermal Imaging: 160x120 pixel thermal resolution displays live thermal images on 3.5-inch LCD screen with multiple color palettes and adjustable temperature range scaling for optimized contrast and visibility
- Built-in Laser Pointer: Precisely targets measurement areas and enables accurate documentation of problem locations, essential for communicating findings to clients and creating repair work orders
- Rugged IP54 Protection: Dust and splash-resistant construction withstands job site conditions, moisture exposure, and accidental drops, ensuring reliability in HVAC, electrical, and industrial maintenance environments
- Compact Ergonomic Design: Lightweight 220-gram form factor with comfortable grip enables single-handed operation during extended diagnostic sessions and easy portability between multiple job sites
Applications and Use Cases
- HVAC System Diagnostics: Identify temperature differential variations across heat exchangers, evaporator coils, and ductwork to detect refrigerant leaks, compressor failures, and airflow blockages without system disassembly
- Electrical Equipment Inspection: Detect hotspots in electrical panels, transformers, circuit breakers, and connections that indicate loose terminals, overloaded circuits, or imminent component failure, enabling preventive maintenance scheduling
- Building Energy Audits: Locate thermal bridging, missing insulation, air leaks around windows and doors, and moisture infiltration in building envelopes to quantify energy efficiency losses and prioritize retrofit investments
- Industrial Equipment Maintenance: Monitor bearing temperatures, motor windings, hydraulic systems, and process equipment to detect thermal anomalies indicating wear, misalignment, or lubrication deficiency before catastrophic failure occurs
- Roof and Plumbing Diagnostics: Identify water infiltration patterns, roof membrane deterioration, and hidden moisture in wall cavities through thermal imaging of exterior surfaces and interior temperature variations
- Solar Panel Installation Verification: Detect faulty photovoltaic cells and connection issues that create thermal hotspots, ensuring optimal system performance and preventing localized cell degradation
How to Use
Begin by inserting four AA batteries into the battery compartment and allowing the thermal sensor 30 seconds to stabilize before taking measurements. Power on the device and select the appropriate emissivity value for the material being measured using the menu interface - common values include 0.95 for most painted surfaces and organic materials, 0.3-0.5 for polished metals, and 0.9 for electrical components. Point the camera at the target area and use the laser pointer to precisely identify the measurement location on the LCD screen. Adjust the color palette and temperature range settings to optimize image contrast if needed - the adjustable range feature is particularly useful when diagnosing equipment with large temperature variations.
For accurate temperature readings, ensure the camera lens is clean and free from condensation, maintain a steady hand or use a tripod for extended observations, and account for ambient temperature and reflective surfaces that may affect readings. When measuring shiny metal surfaces, angle the camera 45 degrees to the surface to minimize reflections from surrounding objects. Document thermal images using the built-in storage function, and record the ambient temperature and measurement distance for reference. For HVAC applications, take measurements at multiple points across coils and ductwork to establish temperature differentials. For electrical diagnostics, compare temperatures of similar components under identical load conditions to identify anomalies. Battery life typically extends 4-5 hours of continuous use, so carry spare batteries for extended job sites.
Frequently Asked Questions
What is the difference between thermal resolution and spatial resolution in the GTC 400 C?
Thermal resolution (160x120 pixels) refers to the number of individual temperature measurement points the sensor captures, determining the level of thermal detail visible in the image. Spatial resolution relates to the camera's ability to distinguish between two nearby objects, determined by the field of view and measurement distance. The 24-degree field of view means each pixel represents approximately 2.5 centimeters at 1 meter distance. Higher thermal resolution enables better detection of small hotspots, while spatial resolution determines whether two adjacent components can be distinguished as separate thermal sources.
How do I ensure accurate temperature readings when measuring different materials?
The critical factor is setting the correct emissivity value for the material being measured. Most organic materials and painted surfaces have emissivity around 0.95, while polished metals range from 0.1-0.3, and oxidized metals 0.5-0.9. The GTC 400 C allows manual emissivity adjustment from 0.1 to 1.0. If you are uncertain of the exact emissivity, measure a known reference temperature on the same material using a contact thermometer, then adjust the emissivity setting until the thermal camera reading matches. Always clean the lens before measurement and allow 30 seconds for sensor stabilization after powering on.
Can the GTC 400 C measure through glass or transparent materials?
No, thermal cameras cannot measure through glass, plastic, or any transparent material because infrared radiation is blocked or reflected by these materials. The camera measures the surface temperature of the glass itself, not what lies behind it. This is actually useful for window diagnostics - you can identify thermal bridging and air leakage around window frames by measuring the glass surface temperature. For measuring equipment behind transparent barriers, you must either access the equipment directly or measure from a different angle where the barrier is not in the line of sight.
What is the impact of ambient temperature on thermal camera accuracy?
The GTC 400 C is calibrated for operation in ambient temperatures between 0°C and 50°C. Outside this range, accuracy may degrade. The camera automatically compensates for ambient temperature variations within the operating range, but extreme environmental conditions can affect sensor performance. If working in very hot or cold environments, allow extended stabilization time and recalibrate reference measurements periodically. Rapid temperature changes when moving between indoor and outdoor environments can cause temporary condensation on the lens, which must be cleaned before measurement.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
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