热电阻是中低温区最常用的一种温度检测器。它不仅广泛应用于工业测温,而且被制成标准的基准仪。 它的主要特点是测量精度高,性能稳定。其中铂热是阻的测量精确度是最高的。热电阻测温是基于金属导体的电阻值随温度的增加而增加这一特性来进行温度测量的。热电阻大都由纯金属材料制成,目前应用最多的是铂和铜,此外,...
随着元器件和软件控制的成本越来越低,数字电源成为一种常用解决方案,用于在极为复杂的设计中解决控制多个电压的难题。 但是,数字电源也面临着自身的挑战,特别是将其添加到现有设计中时。 此外,数字控制增加了对固件开发的需求,模拟电路设计人员过去通常不愿意进行这种开发。 本文将简要概述数字电源控制的优势,然后定义两...
Heating and cooling control. Temperature calibration function. Delay protection function. All parameters can be set to default setting after short circuit. Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, bolier, steamer, industrial equipments and ...
Product Groups Product Catalogs TUYA Smart Products Frequency Inverter and Soft starter Heater&Thermostat Proximity Sensor switch Switching Power supply Warning light and siren Relay Transformers Limit Switch&Float switch AC Contactor and Circuit breaker Terminal block charger More ...
25. Since the zero -voltage SSR has the zero - voltage triggering function needed by the TSC, it can be used as the switch of the TSC to simplify the TSC circuit. 考虑到过零型ssr具有TSC投切电容器所具有的过零触发功能,提出将其作为TSC的投切开关,从而简化了TSC电路。 youdao 26. Solid stat...
ELECTROSWITCH W-2 SWITCH CIRCUIT BREAKER CONTROL QTY 13 INTEL PENTIUM 4 CPUS SL7E8 2.40GHZ SOCKET 478 VWR OSCILLATING WATER HEATER BATH 1217 GENUINE CISCO VWIC 2MFT-T1 2 PORT MULTIFLEX CARD LOT OF 9 INTEL PENTIUM 4 SL6S3 CPUS 2.66GHZ SOCKET 478 ... AGILENT 1100 SERIES G1160A SWITCHING ...
AC motor control; Require a full sine wave input condition; Require zero-output condition; The phase modulation waveform occasions as well as rectifier circuit; The place where produces radio frequency interference (load circuit in series an inductor, which reduces interference); The shield wire with...
PARC WPllSCUa GE Switching and Control Unit REV:a PARC WPllXPUa Extensible Processing Unit REV:a PARC WPllDPUa Data Processing Unit REV:a PARC WPllElUa 32-port El/Tl circuit Interface Unit REV:a PARC WPllOlUa 1-port channelized Optical Interface Unit REV:a BSC6600,QC11CBPE,CDMA2000 Abis...
Scrubber systems are designed to perform one of the most important process functions in Integrated Circuit manufacturing : wafer cleaning. It can be used between any two steps in the wafer manufacturing process. These systems remove contaminants such as particles, residues and other unwanted surface ...
假如要正确的运用变频器,必需认真地思考散热的疑问。变频器的故障率随温度升高而成指数的上升。运用寿命随温度升高而成指数的下降。环境温度升高10度,变频器运用寿命减半。因此,要注重散热疑问啊!变频器工作时,流过变频器的电流是很大的,变频器发生的热量也是非常大的不能忽视其发热所发生的影响。