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Alphasense now provides a solution to some old problems: * Palmes-type diffusion tubes are commonly used for indicative measurement of nitrogen dioxide (NO2) in cities for Local Air Quality Management. But sampling over several weeks gives only one average concentration for the entire sampling period and the result is reported weeks after the measurement. * Odours which were previously ignored by local industry and city councils are now headline problems. There is a growing requirement to monitor odour plumes around landfills, waste water treatment plants, agricultural/ poultry farms and industrial sites- but the cost of the necessary network of monitoring nodes is prohibitive. Hydrogen sulfide (H2S) or ammonia (NH3) are the two mot commonly measured gases for odour detection. Alphasense introduces the Electronic Diffusion Tube (EDT): a single gas data logger with ppb resolution using the proven Alphasense A4 family of electrochemical ppb gas sensors. EDT-01 Electronic Diffusio n Tube Features include: The low cost EDT makes networks affordable User- adjustable logging interval from one minute to four hours Also records relative humidity and ambient temperature * Eight months battery life from two Lithium AA cells * Data is downloaded in seconds via Bluetooth to the Android smart phone app * Designed for waterproof to IP 67 * Mounting bracket connects easily to both walls and poles * Gases include NO2 , NO2 + O3, H2S, NH3 and CO. Sensor data sheets specify performance. Data analysis support available EDT-01 Electronic Diffusion Tube SPECIFICATION * Range: 0-5 ppm (NO2) 0-50 ppm (H2S) 0-500 ppm (CO) 0-100 ppm (NH3) * Temperature range: -20 to +50 'C * Humidity range: 10 to 90%rh continuous * Temp. accuracy: ±0.5'C (-20 to +50'C) * Sampling time: 1 to 256 min EDT-01 Electronic Diffusion Tube Applications include: * Co-locating with Palmes-type diffusion tubes to record diurnal and weekly patterns and peaks * Monitoring urban construction sites for compliance, especially for peak concentrations * Ring-fencing odour sources for plume monitoring- daily downloads provide regular feedback * Tracking ammonia plumes on poultry farms * Detecting fugitive emissions from industrial sites for both leak detection and ensuring compliance * Low cost educational tool when teaching about air quality

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i.About The Product The device is designed based on the electric equipment system on the Volkswagen Passet B5 body to holistically demonstrate structures and operation of the meter, lighting, illuminating, wiper, startup, charging, and ignition systems, and to support circuit terminal connection training. The device applies to theoretical teaching and maintenance training of the electric equipment system of the vehicle body in secondary and senior vocational skill schools, normal education and training institutions. ii.Features 1.A real and operable electric equipment system of the vehicle body is used to illustrate structures of the meter, lighting, illuminating, wiper, startup, charging, and ignition systems. 2.Switches and buttons of various electric equipment are operated to demonstrate operation of the meter, lighting, illuminating, wiper, startup, charging, and ignition systems. 3.Line terminals of electric equipment on the training bench have connection plugs. Trainees can improve their capabilities of diagram reading and terminal connection by connecting the plugs with middle harness based on the circuit diagram or maintenance data. 4.The training bench is installed with detection terminals to detect electric signals, for example, resistance, voltage, current, and frequency, of circuit components of the electric equipment system of the vehicle body. 5.The training bench's base frame is made in steel and the surface is paint-coated. Self-retention wheels are installed to ensure that the bench is flexible, reliable and endurable. 6.Equipped with intelligent fault setting and appraisal system, include fault setting, troubleshooting and assessment functions etc. iii.Basic Parameter 1.Size: 1700mm × 1100mm × 800mm (length x width x height) 2.Driving power supply: three phase four wire (three phase five wire380 ± 10% V 50 Hz) 3.Operating voltage: 12V DC 4.Operating temperature: -40? to +50? 5.Three-phase asynchronous motor ? Model: YT 100L1-4 ? Voltage: AC 220V/380V ? Power: 2.2 KW ? Rotation speed: 1420 r/min

i.About The Product The device is designed based on the electric equipment system of the finished Volkswagen Jetta 1.6 to holistically demonstrate structures and operation of the meter, lighting, wiper, horn, ignition, electric window, electric door lock, sound, startup, and charging systems. It applies to the teaching of automobile electric equipment theories and maintenance practicing in secondary and senior vocational skill schools, normal education and training institutions. ii.Features 1.A real and operable electric equipment system is used to illustrate the structure of the system. 2.After the electric equipment system is powered on, switches and buttons of various electric equipment can be operated to demonstrate operation of the meter, lighting, wiper, horn, ignition, electric window, electric door lock, sound, startup, and charging systems. 3.The training panel is made of advanced aluminum-plastic plate with characteristics of not less than 4mm thick, corrosion resistance, impact resistance, pollution resistance, fireproof, and moistureproof. Its surface are processed by special craft and spraying primer. Never fade color circuit diagram and working principal diagram are painted on the board whose surface coating with varnish. The trainees can learn and analyze the working principle of the control system by referencing the diagram and the real object. 4.The training panel is installed with detection terminals to detect electric signals, for example, resistance, voltage, current, and frequency, of circuit components of the electric equipment system of the finished automobile. 5.The training panel is installed with a diagnosis socket ,which can connect to automobile decoder to read fault codes reads fault codes, clears fault codes, and reads data stream from the engineer control unit (ECU). 6.The training panel's base frame is made of steel and the surface is paint-coated. Self-retention wheels are installed. 7.Equipped with intelligent fault setting and appraisal system, include fault setting, troubleshooting and assessment functions etc. iii.Basic Parameter 1.Size: 2400mm × 700mm × 1900mm (length x width x height) 2.Driving power supply: three phase four wire (three phase five wire380 ± 10% V 50 Hz) 3.Operating voltage: 12V DC 4.Operating temperature: -40? to +50? 5.Three-phase asynchronous motor ? Model: YT 100L1-4 ? Voltage: AC 220V/380V ? Power: 2.2 KW ? Rotation speed: 1420 r/min

HT-8008KL long range alarm system 1. Wireless infrared detector can up to 10km transmitting distance with control panel. 2. 100 independent zones,LED screen display. 3. Level 4 volume alarm optional, drive alarm sound 00-99 minutes can be adjusted and inquire 60 lastest alarm information records, alarm rolling display. 4. The main panel with 2 groups timing arm/disarm time,with current arm/disarm state instructions. 5. With computer network module,by RS232 interface with computer connected,real-time display and management alarm information and electronic map. 6. With the function of remote control operation 7. Can prerecord 10 seconds alarm voice,auto-play voice when telephone is answered. 8. Can prerecord 6 groups telephone number, Alarm cycle call 2 times. Power supply: AC220V 10% 50Hz Standby Current: 75mA Backup battery: 8backup battery,600mA Alarm Current: 400mA Wireless accessories: 98 pieces(included remote control) Bell power supply: DC 12V 150mA Wireless frequency: 230MHz Temerature: -20 to 50 Built-in Siren: 100dB Humidity: 40% to 80% Demension: 337mm 220mm 62mm L H W Installation: Mounted wall Weight: 1.65kg Material: ABS engineering plastics. One set by one clore box, 20boxes by one carton.

Audible-visual electronic buzzer(industrialalarm Bc-8 audible-visual electronic buzzer is developed specifically for lifting machinery, gantry cranes, and bridge cranes by our plant with internationally up-to-date electronic technology. With our advanced process technology and testing equipment, the product is enjoying a competitive edge in domestic market in terms of technical performance and style. Aluminum alloy is adopted for shells of bc-8 audible-visual electronic buzzers , and electronic integrated circuits for inner cores. A flasher which consists of leds is equipped on top of the buzzer. The product consumes less power and its service life is over 20, 000hours. . Bc-8 audible-visual electronic buzzer features lightweight, waterproof, anti-strong-shock, safe and convenient. With such advantages, it is the best choice for safety alarm of lifting machines, gantry cranes, bridge cranes, overhead traveling crane sand heavy duty equipment in metallurgy and mine industry. Voice module can be produced out of voice content or magnetic tapes provided by customers, to realize voice tips. Color:(optional) red, yellow, green Operating voltage: (optional) ac 24v-380v Operating current: 1a Supply frequency: 50hz-60hz Power of sounder: 6w/106db Protection grade: ip56 Weight: 2.7kg Sound frequency: 800hz, synchronous intermittent Sound and light alarms with interval of 1 second. Color:(optional) red, yellow, green Operating voltage: (optional) ac 24v-380v Operating current: 1a Supply frequency: 50hz-60hz Power of sounder: 6w/106db Protection grade: ip56 Weight: 2.7kg Sound frequency: 800hz, synchronous intermittent Sound and light alarms with interval of 1 second.

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