ntc 10k 3950 temperature temperature sensor probe thermometer cable for electrical equipment temperature measurement control
Лонасс/GPS антенна Триада - 2178 на магнитном основании с кабелем 3 м и с разъёмом SMA типа. Предназначена для использования с устройствами ГЛОНАСС/GPS-позиционирования, имеющими соответствующий антенный разъём. Питание подается по кабелю.*** 1. Характеристики: Antenna -GPS+ Glonass Active Antenna Frequency 1575MHZ - 1610MHz Center Frequency 1590MHz V. S. W. R 1.5:1 Band Width 50 MHz Min. at -10dB Impendence 50 ohm Peak Gain 5dBic Min/1575MHz 4dBic Min/1602~1616MHz Gain Coverage ≥- 4dBic at -90°~90°(over75% volume) Power Handling 1 watt Polarization RHCP 2.1 LNA/Filter LNA Gain(Without cable) 32dB Typical Noise Figure 1.5dB V. S. W. R 2.0 DC Voltage 2.7V/3.0V/3.3V/5.0V/3.0V to 5.0V/other DC Current 11mA Max 2.2 Mechanical Weight Less than 110gram Size 44×38×13mm Cable RG174, 3meters or other Connector SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX or other Mounting Magnetic base Housing Black 3. Reliability Condition： Temperature: 40±5℃ Load: DC=5V±0.5 V Quantity: 2000pcs Sustained Time: 480h 5.5 Low Temperature Endurance The device should also satisfy the electrical characteristics specified in form 1 after exposed to the temperature -40℃±5℃for 24±2 hours and to 2 hours recovery time under normal temperature. 5.6 Temperature Cycle Test The device should also satisfy the electrical characteristics specified in form 1 after exposed to the low temperature -25℃ and high temperature +85℃ for 30±2 min each by 5 cycles and 1 to 2 hours recovery time under normal temperature. 6. Weatherproof Put the antennas in 1m deep water for 12h, and find 100% waterproof
