PLEASE NOTE: This listing is for ONE Dew-Not dew heater strip only as listed in the item title above. To select the correct size, please see Sections B and D below.
PLEASE NOTE: This listing is for ONE Dew-Not dew heater strip only as listed in the item title above. The DN016 is typically intended for use with some telescope hand controller keypads. However, to select the correct size for your optical device, please see Sections B and D below.
A. About Dew-Not Dew Heaters
Proudly made in the USA by AFAB, the Dew-Not Dew Remover is a thick film dew heater manufactured for operation at 12 volts. Sixty-six percent of the surface area is heat emitting - this means more even heat distribution and no localized hot spots or burnouts often associated with resistance wire heaters.
Dew-Not dew heater strips are probably the most power-efficient product of their kind on the market today. This is important if you use batteries to power your telescope and accessories in the field. Some competing dew heater designs use a larger amount of rubber and fabric during manufacture requiring additional power to heat up these elements before any heat is transferred to your telescope. Dew-Not's efficient design is about twice as power-efficient as its nearest competitor, so your battery will last much longer.
Dew-Not strips are manufactured to very high quality standards. Each heater has a velcro strip on one side for attachment. Each heater comes with a standard six foot cord. This cord length is longer than competing designs and provides you with a lot more flexibility in placement. The standard RCA phono-plug male connector used is compatible with Kendrick, Dew-Buster, and most other commercially available dew system controllers.
Protected by over 30 USA and international patents (relating to resistance heaters, methods of their manufacture, and innovative flexible, electrical circuitry), and carrying more than 20 years of constant improvements and enhancements, the Dew-Not Dew Remover is the ultimate in reliability and efficiency. AFAB has been involved in the design and manufacture of resistive heating elements for over 25 years. Dew-Not's prices are also about half that of another leading competing brand. With Dew-Not, you get an excellent productand save power and money.
B. Selecting a Dew-Not Dew Heater
Dew-Not is available for all popular sized eyepieces and telescopes. To select the right dew heater for your scope, measure the circumference of your telescope tube (or measure the tube diameter - not telescope aperture - and multiply by 3.14) and pick one of the models based on length from the table below. For in-between sizes, choose the next larger size of dew heater.
Special models are also available for use with telescope controllers (DN16) and binoviewers (DN17). The Binoview binoviewer model is comprised of two eyepiece-sized 6" strips in tandem coupled with a 4" long Y-wire to a single RCA plug. The Binoview is the ultimate binoviewer optic dew remover.
C. Recommended Accessories
Optional cigarette lighter adapters can be purchased from other sources that will allow you to power the dew heater from a 12 volt power source. For controlling several Dew-Not strips from a single source, or to vary the power output, you can consider the optional Dew-Not Dual Channel Controller (Model DNC02).
D. Specification Table
|Item||Length||Power (Watts)||Voltage||Amperage||Best For*|
|DN01||4.5" (11.4cm)||2.1||12||0.18|| 0.965" eyepieces and finder scopes|
|DN02||6.5" (16.5cm)||3.1||12||0.25|| 1.25" eyepieces|
|DN03||9.0" (22.9cm)||4.2||12||0.35|| 2" eyepieces|
|DN04||13.0" (33.0cm)||6.0||12||0.50|| 3" (7.6cm) scopes|
|DN05||15.5" (39.4cm)||7.3||12||0.61|| 4" (10.2cm) scopes|
|DN06||16.75" (42.5cm)||7.9||12||0.66|| 5" (12.7cm) scopes|
|DN07||20.5" (52.1cm)||9.6||12||0.80|| 6" (15.2cm) scopes|
|DN08||25" (63.5cm)||11.8||12||0.98|| 7" (17.8cm) scopes|
|DN09||30" (76.2cm)||14.0||12||1.18|| 8" (20.3cm) scopes|
|DN10||33" (83.8cm)||15.5||12||1.30|| 9" (22.9cm) scopes|
|DN11|| 38" (96.5cm)||17.8|| 12|| 1.49 || 10" (25.4cm) scopes|
|DN12|| 40" (101.6cm)||18.8|| 12||1.57|| 11" (27.9cm) scopes|
| DN13|| 43" (109.2cm)||20.2|| 12||1.68|| 12" (30.5cm) scopes|
| DN14|| 45" (124.5cm)||23.0|| 12|| 1.92 || 14" (35.6cm) scopes|
| DN15|| 50" (139.7cm)||25.8|| 12|| 2.15 || 16" (40.6cm) scopes|
| DN16|| 4.5" (11.4cm)|| 2.5|| 12||0.21||Heater for Handheld Controllers like Meade Autostar and Celestron Controllers|
| DN17|| 6.0" (15.2cm)|| 5.6 || 12||0.47||BinoView Binoviewer Heater|
* Suggested heater strip. However, we are not responsible for ensuring a perfect fit. For this, please be sure to measure your equipment and select the appropriate size as explained in Section B above.
Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above.
Description copyright: Agena AstroProducts - Reproduction without permission prohibited.
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