LED lights like "Armstrong"are great for office space. Available models with different capacities. In this case, the light efficiency of the devices is equal to 80 lm. It is also important to take into account that the main parameters of the models include electricity consumption, thermal loss, as well as luminous flux.
Many LED lamps are manufactured withimpulse transceivers. Amplifiers in devices are used with filters to stabilize the voltage. Directly switching on the LED lights is due to the operation of the trigger. The average model on the market is about 1400 rubles.
These LED type lights"Armstrong" (the photo is shown below) have a lot of advantages. First of all, it is important to note that the power of the model is 20 V. In this case, the light flux fluctuates around 33%. The coefficient of pulsation in the model is 90%. The trigger in the device is of a switched type. In the installation, the model is quite simple.
In this case, the minimum permissibleThe temperature of the LED lamp is -15 degrees. The amplifier in the device uses only one. The permissible humidity level of the model is 50%. The heat loss of the lamp is minimal. For office premises of up to 15 square meters, the device is very good. Buy the specified LED lamp in our time can be priced from 1300 rubles.
These lamps (ceiling) are LED type"Armstrong" are in great demand. Among the advantages of the model should be noted high-quality trigger. The on-time of the LED is on average 4 ms. It is also important to note that the model is characterized by good performance. The luminous efficiency of this modification is equal to 90 lm. The trigger in the device is of the wave type.
In total, the LED light is usedone amplifier. The current consumption parameter is 6 A. A light filter is used to control overvoltages. The conductivity of the model current is equal to 10 microns. The minimum permissible temperature of the LED lamp is -10 degrees. On average, the turn-on time of the device does not exceed 7 ms. Buy the specified LED lamp can be priced from 1600 rubles.
This LED light is suitable forsmall office space. On the eyes, he acts sparingly and does not irritate much. In this case, the filter is used in a mesh type. In total, the model has two amplifiers. The luminous efficacy of the modification is 76 lm, and the power is as much as 25 V.
The coefficient of pulsation in the model is low. The minimum permissible temperature of the LED lamp is -20 degrees. The trigger in the device is of the conductor type. The negative resistance of the model is 30 Ohm. The permissible humidity level fluctuates around 80%. Buy this LED lamp can be priced from 1400 rubles.
These are simple and inexpensive LED lightssuch as Armstrong. The description should begin with a list of parameters. Light efficiency of the device is 90 lm. The current consumption is only 5 A. The frequency deviation of the LED lamp is a maximum of 12 Hz. The trigger withstands a maximum negative resistance of 45 ohms.
If you believe the buyers, then the problems with the amplifierare rare. In the installation, the model is quite simple. For large office spaces, the device fits perfectly. The minimum permissible temperature of the LED lamp is -10 degrees. Buy a model user can for 1300 rubles.
These LED lights like "Armstrong"are manufactured with a high-quality closed-type amplifier. In this case, the luminous efficiency is 60 lm. Current consumption is only 7 A. If you believe the customers, then the model turns on quickly. The amplifier in the device burns out rarely. The minimum permissible temperature of the LED lamp does not exceed -20 degrees.
Short circuits are provided by the systemprotection. The luminous flux of this modification lies within 40 lm. The ripple coefficient reaches a maximum of 90%. The permissible humidity level is 70%. Buy this LED lamp in the store can be priced from 1800 rubles.
Specified office LED light type"Armstrong" reviews from buyers get good. Many experts say that the device has high-quality amplifiers. In this case, the trigger is of the wave type. The turn-on time averages 7 ms. If you believe the buyers, then the eye model is not annoying. For large office space, the device is ideal. The minimum permissible temperature of the LED lamp is -10 degrees.
Its luminous efficiency is 60 lm. The ripple coefficient in this case does not exceed 88%. The transceiver of the presented model is of high quality. The permissible humidity level does not exceed 70%. If you believe the customers, then this LED light is broken rarely. Buy a model can be priced from 1400 rubles.
These are inexpensive and high-quality LEDlamps like Armstrong (overhead). The indicator of light efficiency in them is equal to 66 lm. In this case, the frequency deviation is not more than 14 Hz. The luminous flux of the modification is 70 lm. The current consumption of the model does not exceed 7 A. The minimum permissible temperature of the LED lamp is -10 degrees.
If we talk about design features, thenit is important to note that the amplifier is used in a network type. In this case, the trigger is of high quality. Thus, the maximum switching time is 7 ms. The system for protection against current overload in the model is. The permissible humidity level of the LED amplifier is 90%. Sale model in the store for a price of 2100 rubles.
These LED type lights"Armstrong" reviews tend to get good. Many people praise them for their high power. In this case, the luminous efficacy parameter is a maximum of 88 lm. If you believe the specialists, then the system from current overload is used of high quality. The minimum permissible temperature of the LED lamp is -10 degrees.
The short-circuit protection system is not available. If we talk about shortcomings, then it is important to note also the large dimensions. However, the LED lamp of the specified series is installed without problems. For small offices, the model fits perfectly.
The parameter of the light flux reaches 55lm. The trigger in the device is of the wave type. Thus, the on-time varies in the region of 4 ms. The indicator of current consumption is a maximum of 6 A. These "Armstrong" LED lamps stand in the store for about 1700 rubles.
For small office premises suitabledevices LED-Effect 25. If you select models with high brightness, you should definitely look at the lamps Bioledex 125. They are expensive, but they can last a long time.
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