SV172 Dew Heater Strip PWM Function 430mm for Telescopes and Cameras
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Key Features
Features a PWM (Pulse Width Modulation) function for precise temperature control, preventing dew formation without overheating.
At 430mm, this heater strip is perfect for larger telescopes or optical tubes, ensuring full protection against dew buildup.
Constructed with high-quality, waterproof materials, making it suitable for extended use in various weather conditions.
The PWM functionality ensures efficient power usage, providing consistent heat while minimizing energy consumption.
Simply wrap the strip around your lens or tube, connect it to a compatible power source, and enjoy seamless, fog-free viewing.
⚡ Shipped: 72 hrs after ordering (Pre-sale products excluded).
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SV172 PWM Function Dew Heater Strip 430mm
This 430mm Dew Heater is designed with PWM function, which can provide more accurate, energy-saving, efficient heating control, thus enhancing the performance and reliability of telescope equipment.
Total Materials
PWM Function
Hot Stamping LOGO
Compatible with Telescope & Camera
The Comparison of SV172
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| Model | W9132A | W9132B | W9132C | W9132D |
| Total Length | 320mm | 400mm | 480mm | 550mm |
| Heater Length | 240mm | 320mm | 400mm | 430mm |
| Interface Type | USB Type-A | USB Type-A | USB Type-A | USB Type-A |
| Input Voltage | DV 5V | DV 5V | DV 5V | DV 5V |
| Input Current | 1.45A~1.55A | 1.8A~1.95A | 1.9A~2.2A | 2A |
| Power | 7.25W - 7.75W | 9W – 9.25W | 9.5W-9.75W | 10W |
| Temperature Adjustable | Yes | Yes | Yes | Yes |
| PWM Function | No | No | No | Support |
| Power Cable Length | 1.8m | 1.8m | 1.8m | 1.2m |
| Strip Material | Imitation OK cloth + SBR + Black-T +Aluminum Film+ PU | Imitation OK cloth + SBR + Black-T +Aluminum Film+ Pure Cotton | ||
| Power cord material | Nylon | Nylon | Nylon | Silicone |
| Fit for OTA | SV503 70ED | SV48P 90, SV503 80ED, SV550 80APO | MK105, SV48P 102, SV503 102ED | |
- 1. Compatibility: designed for astronomy telescopes and compatible with DSLR camera lens, protecting optical devices like telescope and camera from fogging or freezing
- 2. Energy-saving: PWM technology allows for adjusting the working cycle and pulse width of the heating tape according to the needs, providing heat only when necessary. This reduces energy consumption and saves electricity.
3. Precise control: it control enables precise temperature regulation of the heating tape to meet specific requirements. By changing the pulse width and cycle, high-precision temperature control can be achieved, avoiding overheating or excessive cooling.
4. Extended lifespan: due to the intermittent operation of PWM heating tapes, their lifespan is longer compared to continuously operating regular heating tapes. Additionally, the stable temperature reduces the risk of equipment damage caused by temperature fluctuations.
5. Efficiency: PWM heating tapes can quickly respond to temperature changes and reach the desired temperature in a shorter time. This fast response and efficiency improve heating effectiveness and reduce energy waste.
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