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SVBONY SV192 Dew Heater Strip 12V for Telescopes and Lens

SKU: W9151
2
US$ 25.99
  • Designed specifically for astronomical telescopes; protect optical equipment such as telescopes from fogging or freezing;
  • Compatibility enhancement; Compatible with astronomical primary mirrors of OD below 152mm or camera lenses;
  • 3-speed regulator with medium weak heating mode; You can adjust the temperature according to different usage requirements;
  • 5.5X2.1 female interface design; easy connected to various 12V power inputs;
  • Good heat preservation effect; imitating OK cloth; SBR and Black-T three-layer heat preservation material; reducing heat dissipation; and no wrinkles on the inner surface after bending.
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2 reviews

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Good heating band

Emilio Monelli on Dec 16,2024
It works well, it already heats to the minimum power. well-made band.

Buy two and modify them

Steve R on Aug 30,2024
These are just what I needed … lightweight, lower cost dew control. I tried using one wrap connected directly to the power supply to avoid the two hour shut off via the controller and it seemed to run too hot unless you are in the arctic circle somewhere. I purchased two and cut the ends of of each. With a small amount of soldering it was easy to connect them in series and then directly to the power supply. They then run at a reasonable 110-ish degrees in the house and should be close to the Medium setting if you were to use the controller on each. Should work great now wired in series and not having to worry about them timing out and shutting off.
Model SV192
SKU W9151A W9151B
Dew Heater belt size 480×50mm 560×50mm​
Dew Heater strip length (approx.) 640mm 720mm​
Interface Type 5.5×2.1​
Input Voltage 12V
Input current 1.7A±0.1A​
Power 19.2W-21.6W​
Adjustable temperature​ Yes
Strip material​ imitated OK cloth + SBR + Black-T + aluminum film + Cotton​
Power Cord Length 1m
The material of the power cord​ TPE Silica​
Net weight​ 65g/2.28oz​​ 72g / 2.53oz​​

1. 5.5X2.1 female interface design，easy connected to various 12V power inputs;

2. Protecting optical equipment such as telescopes from fogging or freezing. Compatible with astronomical primary mirrors of OD below 152mm(178mm) or Camera Lenses;

3. Three-speed regulator with medium-weak heating mode. You can adjust the temperature according to different usage requirements. Super-fast continuous heating, quick start heating;

4. The width of the 50mm belt will not interfere with focusing, and will not produce vignetting in the field of view;

5. Great heat preservation effect: imitating OK cloth, SBR, and Black-T three-layer heat preservation material, reducing heat dissipation, and no wrinkles on the inner surface after bending;

6. Uniform heating: the built-in aluminum film has a uniform heating surface and no dead ends;

7. TPE Silica power cord under low temperature won't become hard, also prevents internal short circuits.

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