Smart heating and cooling systems allow users to save energy through monitoring and effectively controlling usage. They also allow us to restrict the use and reduce the need for human engagement, making energy conservation easier. Smart home market research shows that smart heating and cooling systems save users 50% of their energy consumption.

This is the most typical thermostat wiring style, and it applies to systems that regulate both heat and air conditioning. The wires are typically arranged as follows: red for 24-volt hot, white for heat, yellow for cooling, green for the fan, and blue for common (although the common wire may be a different color).

Wiring a thermostat is basically connecting the correct-colored wires to the correct terminal. Understanding what each wire is for is critical to complete the procedure successfully. If you are unsure of any of the thermostat wiring, it is safer to contact a qualified professional.

24VDC brown blue

Long Working Distance Microscope Objectives are designed around 426 to 656 nm to provide a chromatic aberration-free image with flat field correction. The objectives are called “Plan” because they produce the flat image across the field of view. The “apochromat” objectives provide chromatic correction for three wavelengths and spherical correction for two wavelengths. In the case of white light, plan apochromatic objectives offer superior images for color photomicrography than achromatic objectives can provide.

This is the most common configuration for a digital thermostat that connects to (and controls) a boiler. There is a 24-volt hot wire, a 24-volt common wire, and a white wire.

Many times microscope objectives with high magnifications will have very short working distances to the focused spot. Because of this short distance, if one is not careful while focusing in on the targeted specimen, the end of the microscope objective may "crash" into the object under study. These Long Working Distance Objectives are ideal to use when the application requires there be room between the objective and the target for other equipment like pipettes or syringes. These objectives have some of the world's longest working distances.

In general, the focal length and working distance of objective lens varies very little with wavelength and is usually not specified at a particular wavelength. At most, over a specified wavelength range, one could potentially see only microns of deviation, and this amount would be even smaller for apochromatic objectives.

According to the EIA‘s Residential Energy Consumption Survey, 12% of households in the United States have a centrally controlled air-conditioning unit. 33 million North American houses rely on smart thermostats for temperature control.

Control panelwire colorcode

Syston Cable offers Thermostat Cables in 18 AWG & 20 AWG from 2 to 10 conductors configurations in UV Sunlight Resistant Riser-rated and Premium Plenum-rated cables.

If you have two wires, you almost certainly have a digital thermostat that solely provides heat (i.e. without air conditioning). Typically, the two wires are red and white (see above for information on where they are connected).

Infinity corrected objectives are used in a wide variety of imaging and laser focusing applications. Light rays leaving the objective’s rear aperture are collimated, so that for imaging applications, a secondary lens (usually called a tube lens) is needed in order to focus the collected light from the specimen onto the sensor. The labeled magnification is calculated, assuming the objective is being used with a tube lens of a particular focal length by design. When a tube lens of a different focal length is used, the magnification will need to be adjusted accordingly. As an advantage over finite conjugate objective lenses, a variety of auxiliary optical components, such as optical filters and polarizers can be inserted between the infinity objective lens and the tube lens without altering how the beam propagates and forms the image down the optical path. In laser applications such as optical tweezers and laser cutting, laser beams entering the rear aperture of an infinity objective can be tightly focused to a diffraction-limited spot, providing concentrated optical power and excellent resolution.

The thread on the long working distance objectives are M26, so the M26-RMS adapter is required to step down to standard RMS threads.  Please make sure to purchase one for use with any RMS mount such as the LH-OBJ microscope objective holder.

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With the development of smart homes, an increasing number of Americans are gaining control over their home’s HVAC system. Understanding how to wire a thermostat is essential knowledge for every homeowner. If your thermostat fails, you may be able to repair it yourself to save time and money. If you would prefer to use a professional, then this information will help familiarize you with the wiring process.

24 vdcWire

This is a popular configuration for a battery-powered thermostat or a digital thermostat that solely regulates heat. The standard configuration consists of 24-volt hot (red), 24-volt common (blue), heat (white), and a fan (green).

Long Working Distance Microscope Objectives are designed around 426 to 656 nm to provide a chromatic aberration-free image with flat field correction. The objectives are called “Plan” because they produce the flat image across the field of view. The “apochromat” objectives provide chromatic correction for three wavelengths and spherical correction for two wavelengths. In the case of white light, plan apochromatic objectives offer superior images for color photomicrography than achromatic objectives can provide. In general, the focal length and working distance of objective lens varies very little with wavelength and is usually not specified at a particular wavelength. At most, over a specified wavelength range, one could potentially see only microns of deviation, and this amount would be even smaller for apochromatic objectives.

These objective lenses are an M Plan Apochromatic design which offers a flat field correction, long working distances and superior optical performance. These objective lenses offer some of the world’s longest working distances while providing a flat, chromatic aberration-free image throughout the entire field of view.

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Iecwire color

Infinity corrected objectives are used in a wide variety of imaging and laser focusing applications. Light rays leaving the objective’s rear aperture are collimated, so that for imaging applications, a secondary lens (usually called a tube lens) is needed in order to focus the collected light from the specimen onto the sensor. The labeled magnification is calculated, assuming the objective is being used with a tube lens of a particular focal length by design. When a tube lens of a different focal length is used, the magnification will need to be adjusted accordingly. As an advantage over finite conjugate objective lenses, a variety of auxiliary optical components, such as optical filters and polarizers can be inserted between the infinity objective lens and the tube lens without altering how the beam propagates and forms the image down the optical path. In laser applications such as optical tweezers and laser cutting, laser beams entering the rear aperture of an infinity objective can be tightly focused to a diffraction-limited spot, providing concentrated optical power and excellent resolution.

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0VDCwire color

Many times microscope objectives with high magnifications will have very short working distances to the focused spot. Because of this short distance, if one is not careful while focusing in on the targeted specimen, the end of the microscope objective may "crash" into the object under study. These Long Working Distance Objectives are ideal to use when the application requires there be room between the objective and the target for other equipment like pipettes or syringes. These objectives have some of the world's longest working distances.

One of the most essential items in your home is the thermostat. The ability to control the temperature is what makes your house habitable, even on the warmest summer days and the frigid winter days.

The thread on the long working distance objectives are M26, so the M26-RMS adapter is required to step down to standard RMS threads.  Please make sure to purchase one for use with any RMS mount such as the LH-OBJ microscope objective holder.

Always check the manufacturer’s instructions before doing any wiring. The wiring for thermostats can be configured in a variety of ways. The most popular ones, which range from 2 to 5 wires are covered below. If you have more than 5 wires, you have more control points or you have a heat pump.