Model No. SR-812DC-4 Operating voltage DC9~35V Alarm temperature 57 Static current 13mA(NC);4mA(NO) Alarm current 9mA(NC);19mA(NO) Alarm output Relay output Installation Ceiling mounted Sensitivity 2.06%ft±1.3%ft Working environment -10~+50(â?¤95%RH No congelation) Dimension 100*46mm
Leading(hk) ic distributor limited has more than 10 years selling experience of electronic components-including commercial, industrial, military, automotive, and hi-reliability ics, memory , passive components, capacitor, risistor, transistors, crystal, connectors, diode, schotky, inductor, darlington, mosfet, led, jfet, modules, rectifier bridge, relays, switches and much more. Over these many years, our company owns a very experienced team, focus on the world latest market information and changeable price.We have establish a good cooperation relations with many famous ic manufacturers and agents over the world .By the advantages of capital, it builds a large number of spot inventory to meet the demand of the customers and provide a strong guarantee and foundation for products supply. Our advantage is: direct sourcing, over 16, 0000 inventories, quality assurance, reasonable price, fast delivery, provide technical services. With the most competitive price of new and original products , the safe and punctual delivery, and the excellent service to meet new and old customers at home and abroad. We sincerely trade with customer and partners to maintain a long-term business relationship. Our company main brand include: silicon.Kec.Tiad. Atmel, nsc, cypress, altera, toshiba. Microchip. Allegro, maxim, dallas, harris, nxp, hitachi, renesas, fairchild, linear, qtc, mitsubishi, nec, nsc, oki, rohm, sharp, xicor, catalyst, avx, tdk, kemet, lattice, vishay, sst, issi, holtek, , mitel, tfk, zilog, intel, on, infineon, qtc, xilinx, sipexamd，ior, ect. All our parts are new and original
Chart recorders Gas analysing meters & detectors Load cells & display units. Instrumentation: flow, level & pressure control equipment for all industrial processes & mediums Vacuum switches generators & pumps Pressure gauges
"CPU scrap board" typically refers to the circuit boards or electronic components that come from discarded or obsolete computer central processing units (CPUs) and related electronic devices. These boards contain various materials, including metals, plastics, and small electronic components. Here are some key points about CPU scrap boards: Composition: CPU scrap boards are composed of a substrate, often made of fiberglass or other materials, on which electronic components are mounted. These components include microprocessors, memory chips, resistors, capacitors, and other integrated circuits. Metals Content: The boards may contain valuable metals, such as gold, silver, copper, and palladium. These metals are often used in the manufacturing of electronic components for their electrical conductivity and corrosion resistance. Recovery of Precious Metals: Recycling CPU scrap boards is a common practice to recover precious metals. Precious metal reclamation is typically done through processes like mechanical separation, chemical leaching, and refining. Environmental Considerations: Recycling CPU scrap boards is important for environmental reasons. It helps reduce electronic waste (e-waste) and minimizes the environmental impact associated with the disposal of electronic components. Economic Value: The recycling of CPU scrap boards can have economic benefits due to the recovery of precious metals. The value of the scrap depends on the market prices of the metals at the time of recycling. Processing Methods: Various methods are used to process CPU scrap boards for recycling, including manual dismantling, mechanical shredding, and chemical processes to extract metals. Regulations: There are regulations and guidelines in many regions regarding the proper disposal and recycling of electronic waste, including CPU scrap boards. It's important to adhere to these regulations to ensure environmentally responsible practices.
The product is a new smoke detector, hereinafter called detector. With a unique structure design and an intelligent MCU to process photoelectronic signals, it is provided with dust-proof, mothproof and anti-light interference etc. functions, ensuring the detector stability from design basis and suitable for all kinds of installation environments and also with the optional wireless interconnection function. It reacts very quick to visible smoke released by smoldering fire and flaming fire, and suitable for fire alarm in house, factories, shopping malls, hotels, restaurants, office buildings, teaching buildings, banks, libraries, warehouses, etc.
Features: With latest patented technology Safe and time saving: non-contact phase sequence detection Multipurpose: with live wire examination,simple power inspection, phase deficiency judgment, breakpoints finding and line maintenance Dynamic LED display Sensitive and reliable. Specifications: Voltages: 70 to 600V AC Dimensions to be clamped: diameter 18mm.
Hd1000a is a new standalone ac powered plug-in combustible gas detector From henan chicheng electric co., ltd to protect you and your family from the Dangers of explosive gas such as natural gas(methane) and lpg. It adopts Highly accurate catalytic gas sensor and utilizes sophisticated electronic Components, offering a high level of functionality, reliability and flexibility. Hd1000a is complete with a special circuit that control the catalytic sensor¡¡¥s Efficiency level, and signals any possible fault and it has power, pre-heat, fault And alarm indications.
AR8200 Carbon Dioxide Detector CO2 Detector Introduction This Carbon Dioxide detector can detect the Carbon Dioxide content between the 0~5000ppm and shows the Carbon Dioxide volume with an LCD. The product features: * As it uses the imported Carbon Dioxide sensor, it is very precise and its performance is stable. * It uses the intellectualized design and has gotten multiple functions. * With highlight backlight display and acoustic-optic alarming, it is easily configured. * The embedded temperature compensation can make the meter measuring the correct value in the environment temperature of -10~40C. * As its case is ergonomically designed, it looks handsome, feels good and is easy to carry. AR8200 Carbon Dioxide Detector CO2 Detector Applications: * Carbon Dioxide manufacturing workshop * Petroleum refining and petrochemical plants â?¢ Carbon Dioxide content detecting in trains and automobiles * Carbon Dioxide content detecting in minerals * Carbon Dioxide content detecting during mountain climbing and in sealed place * Other industries and plants using Carbon Dioxide. AR8200 Carbon Dioxide Detector CO2 Detector Technical Features * Gas Type: Carbon Dioxide (CO2) * Measuring range: 0 to 5000ppm * Resolution: 1ppm * Measuring Principle: Optics * Display:Large LCD Display * Operation Tempearture: -10C ~ 60C * Operation Humidity: 0 to 99.9% RH * Power supply: 3 x 1.5V AA battery * Size: 182*66*32(mm)
HS-DG812 Battery Powered Photoelectric Smoke Alarm with excellent stability and high-sensitivity. Our standard battery is 6F22, lithium battery is optional. Key Specifications/Special Features Power Source: 9V Battery (included). Audio Alarm: 85dB/3m Temperature Range: 0 to 40 Humidity Range: 5%-95% relative humidity(RH) Sensor: Photoelectric Size: diameter 106mm in diameter x32mm depth Interconnects: No Easy to install with mounting base included Suitable for any room Low battery signal Test button for simple testing
"Instant Test Button,Dual sensor,Low battery warning Operating voltage: 9V battery Fixed Temperature alarm:57 Alarm indication: red LED flash Sound level: â?¥85dB/m Smoke Alarm Point:2.06%/ft Detecting area: 20 square meters Alarm output: sound and flash alarm "
"Test Button; Hush button Auto reset ASIC adopted;Anti-light, mothproof;Strong adaptability for circumstance; SMT design, high stability Technical specification: Operating voltage: 9V battery Alarm output: sound and flash alarm Sound level: 85dB/3 meters Sensitivity:2.06%/ft Detecting area: 20 square meters Dimension: 128*38mm Execute criterion:EN14604,UL217"
2 or 4 wire models * Dual LEDs for 360�‹visibility * Advanced detection and discrimination algorithms * Easy installation and maintenance * Sleek low-profile housing design * Durable sensor head, no need for replacement * SMD circuit board design-satisfactory quality and reliability guaranteed * Integrated heat detector for NB326-H-2 and NB326-H-4 models * N/C (normal/close)-N/O (normal/open)selectable relay output * AR (Auto Reset) function for security systems (optional for 4 wire models) * Sensor base option: standard and Shottky Diode.
Smoke detector ox-8 Remote control 12 metres Operation voltage-10ÿ30 v Economy mode consumption current-0, 1 ma Normal mode consumption current-0, 25 ma Alarm mode consumption current up to-20 ma Smoke sensitive range-0, 05ÿ0, 2 db/m Models with possibility setting by user (ir transmitter) Sensibility value-0, 05;0, 10;0, 15 db/m Visual check-out of function ability for smoke channel The response time of temperature canal depends on speed of temperature alternation and meets with en-54-7 Operation temperature range-minus 25up to+70 Dimensionns 100x54 mm Weight & 0, 17 kg
Main Feature: reset after power disconnection infrared photoelectric sensor network output / LED indicator stainless steel shield for anti-EMI SMT adopted Strong adaptability to circumstance Dustproof, mothproof, anti-white light Technology parameter: Operating voltage: DC12V Standby current: 2mA Alarm current: 10mA Operating temp.: -10-50 Working humidity: 95%RH Alarm mode: network output / LED indicator Detecting area: 20 square meter Sensitivity: class I Alarm output: relay output (N.C.)
"Power: DC 3x1.5V AAA battery Sensitivity/alarm time: 30ppm, after 2 hours; 50 ppm, 60~90 minutes; 100 ppm, 10~40 minutes; 300 ppm, within 3 minutes Quiescent current:
"Semiconductor sensor Operating voltage: 85-265V AC; Alarm output: Sound& LED Flash alarm; Alarm level: 10% ±5% LEL. adopted SCM from USA to ensure the stability, Dimension: 118.5*82*43mm . Execute criterion:GB15322;EN50194;UL1484 Can make 9V chargable back up battery "
Home gas detector alarm description: High stability sensor Circuit for normally closed relay contacts (optional) Circuit for normally opened relay contacts (optional) Operating frequency: 433 or 315mhz (optional) Size: 110 x 70 x 40mm Weight: 228g/pieces . Size:110mm*70mm*40mm; 228g/pc.
Dual element passive infrared detector Anti-tamper switch Sensitivity adjustable NC output Detecting speed:0.15-15m/sec Detecting range: 12M x 12M AT 2 M height High EFI and EMI immunity Temperature compensation LED light indication Currency: 12V/17mA Dimension: 94.5L,63.5W,49H (mm)
AK-200FC/C1 Product Description: 1. Model: AK-200FC/C1 2. Sensor: Electrochemical senor(Japanese) 3. Gas detected: carbon monoxide 4. Size: 115mm*70mm*40mm 5. Working voltage: 220VAC /110VAC, 12VDC-20VDC 6. Additional function: can work with solenoid valve or manipulator or exhaust fan 7. Networking: wired networking(NO, NC) 8. Wireless networking mode: 315MHZ/433MHZ (2262 OR 1527) 9. Alarm level: 150 PPM (Chinese Standard) 10. Patent No.: 200830103203.9. 100pcs/CTN.
AK-200FC/D2 Product Description: 1. Model: AK-200FC/D/D2 2. Embeded type 3. working environment: Humidity: ¿Q97%RH Temperature: 0íµ-60íµ 4. Dimensions: 86mm*86mm*60mm 5. Working voltage: 220VAC /110VAC, 12VDC-20VDC 6. Additional function: can work with solenoid valve or manipulator or exhaust fan (optional) 7. Networking: wired networking (NO, NC) 8. Wireless networking mode: 315MHZ/433MHZ (2262 OR 1527) 9. Alarm concentration: coal gas: 0.1%~0.5% natural gas: 0.1%~1% LPG: 0.1%~0.5% 10. Automatic error-detecting function (The red and green lights shine alternatively). 100pcs/CTN.
