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Ruik's Fused couplers are used to split optical signals between two fibers or to combine optical signals from two fibers into one fiber. They are constructed by fusing and tapering two fibers together. RUIK's fused couplers are available in a range of wavelengths, fiber sizes, and splitting ratios. The fiber ends can be terminated with a variety of fiber connectors. Standard configurations are 1x2 and 2x2 couplers. N by M fused couplers, such as 1x3, or 1x4,etc., are also available on request.

Fused PM Fiber Standard Coupler

Features Applications
High Power Handling Coherent Communication
Low Insertion Loss Power Monitor
High Stability & Reliability Fiber Sensor

Specifications
Parameter Unit Value
Center Wavelength nm 1550
Operating Bandwidth nm �20
Max. Excess Loss dB 0.8
Min. Extinction Ratio dB 18
Min. Directivity dB 50
Max. Return Loss dB 55
Max. Optical Power(CW) W 1
Fiber Type - PM 1550 fiber / HI1060
Package Dimension mm �?3*54
Operating Temperature -5~+75
Storage Temperature -40~+85
Splitting Ratio Tolerance
50/50 % �4.8

40/60 % �3.9

30/70 % �2.5

20/80 % �2.3

10/90 % �2.1

5/95 % �1.4

1/99 % �0.5

Company introduction;

High power Optical Fiber Components:
-Optical Fiber Isolator, up to 100W;
-Free Space Isolator, up to 100W;
-Optical Circulator, up to 30W;
-Pump Laser Protector;
-Band Pass Filter;
-Nx1 Pump Combiner;
-Cladding Power Stripper;
-Mode Field Adapter;
-(N+1)x1 Pump & Signal Combiner, 200W/port;

Polarization Maintaining Fiber Components:
-In-Line Polarizer/Depolarizer;
-In-Line Faraday Isolator;
-Optical Circulator;
-Fused WDM / Coupler;
-Filter WDM / Coupler;
-Fiber DWDM
-Fiber Mirror;
-Faraday Rotator;
-Fiber Patchcord / Jumper;
-PLC Splitter Module;
-Tap / WDM / Isolator Hybrid;
Manual Variable Optical Attenuator;
-1x2 Polarization Beam Splitter / Combiner (PBS/C)
-1x2 Isolator & Polarization Beam Splitter / Combiner (IPBS/C)

1.The semiconductor ice cream maker- based cooling system enables precise temperature regulation. A built - in thermostat continuously monitors the temperature of the ice - cream mixture. The temperature can be adjusted within a narrow range,
2.Once the desired settings are inputted, the ice - cream maker operates automatically. It will continue to cool the mixture, stir it and maintain the set temperature until the ice - cream reaches the proper consistency. This hands - off operation allows users to multitask in the kitchen without having to constantly monitor the ice - cream making process.
3.Semiconductor ice - cream makers are known for their quiet operation. Since there are no noisy compressors or complex mechanical components like in traditional ice - cream machines, the noise generated during operation is minimal. The sound level is usually around 30 - 40 decibels

OEM ODM Z-Wave plus temperature and humidity sensor wireless temperature and humid detector elevator door sensor



Open/Close Detection: Safeguard your home with reliable open/close detection for doors, windows, cabinets, and drawers.
With Temperature Humidity Sensor, Zwave 700 series, the range is longer than Z-Wave 500 series
Perfect Power: powered by the 1pcs CR2450 Battery(included), Battery life: 3 years
Customized Events: Personalize how your Z-Wave devices talk to each other: when the front door is opened in the evening, automatically turn on the welcome lights. When a backdoor is opened unexpectedly, trigger a Z-Wave alarm siren.
Works with certified Z-Wave gateways, Fibaro, SmartThings, Vera.

Details:
Model Number:ZWS713
Usage:alarm system hom security
Theory:Door/Window Temperature Humidity Sensor
Description:Door/Window Temperature Humidity Sensor
battery:CR2450
Z-Wave:700 series
Operation Temperature:32 F 104F
Color:white
Certificate:Z-Wave plus
Warranty:1 Year
Temperature Range:-25 to 125 C
Frequency:908.42MHz/868.42Mhz

Z-Wave plus Smart Home Dimmer Switch Works with Alexa and the Google Assistant for LED Light Bulbs, Incandescent Bulbs and Halogen Bulbs

Adjust your home automation with the rcm interruptor inteligente Z-Wave Plus 700 series with S2 security and SmartStart In-Wall Smart Dimmer switch. When paired with a compatible hub, the hardwired smart dimmer operates wall, ceiling and accent lighting through individual commands and programmed settings. Wirelessly control and schedule indoor or outdoor fixtures for effortless management of your home. Your automation possibilities are seemingly infinite when connected to hubs from Ring, Wink, SmartThings, HomeSeer, Vera, Nexia and more.

Key Features:
1. The Smart HousewareCompatible with most Z-Wave certificated hubs like SmartThings, Wink, Fibaro, Vera, Homeseer, Honeywell, Zipato and so on.
2.Support with Alexa Echo and Google Home voice control
3. The Z-Wave enabled universal switch works for most residential lighting control, like dimmable LED, CFL, incandescent and halogen bulbs.
4. Turn lights on/off, schedule, or group the light from multiple switches all with a smartphone app, automatically turn lights on when you are home, and off when you are away.
5. Built-in Z-Wave Plus signal repeater /range extender.
6.S2 security protocol + the latest 700 series Z-Wave chip.
7. Z-Wave switch works w/existing (dumb) switch for a 3-way wiring scenario.


Model Number:-ZW31S
Max. Current:500W
Max. Voltage:120V
Mechanical Life:10 Years
Product name:Smart Zwave Dimmer Switch
Standard:USA Standard
Certificate:ETL / FCC
Function:Home Light Remote Control
Service:OEM/ODM
Max power:1800W
Panel Material:Fireproof Pc
Size:115 70 35mm

Usage COMPATIBLE WITH: Alexa, Google Assistant/Home
Wiring--L+N (Wifi type need Neutral wire.)
Color--White
App Name--Tuya / Smart life (Compatible with Android&iOS)
Size--115 70 35mm
Working Frequency- 2.4GHz
Wireless Standard- IEEE802.11b/g/n
Standard -US
Certificate -FCC/ ETL
Maximum Loads--500W Incandescent (1-Gang); 400W Incandescent (2-Gang); 300W Incandescent (3-Gang); 150W Dimmable CFL/LED

Key Features:
Smart Dimming
Replace your normal switch with a fantastic dimmable smart switch that can be controlled remotely from a remote, sensors or your smartphone or tablet.
LED Noctilucent Navigation
When you're in a dark room, it will guaid you to fing you smart switch easily.
Complete Control
Control your lights and appliances, schedule a timed event or create a custom scene from anywhere in the world, at anytime of the day.
Smart 3 Way Switch
Imagine setting the perfect lighting without leaving the sofa, and using your smart phone to remotely control the lights throughout your home.
APP / Voice Control
Work with Amazon Alexa and Google Assistant, Turn on/off lights with voice commands. Compatible with Android 4.1 & iOS 8 or higher. Support 2.4GHz and 4G Wi-Fi, Unable to work 5G