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CFR-A1 AUTO Gasoline Octane Number Tester
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The new generation gasoline octane number tester adopts a new appearance design, with "One-Key" used to perform the test automatically and with the maximum knock liquid level searched automatically and accurately without manual operation. The instrument host uses a standard CFR single-cylinder four-stroke engine with a continuous variable compression ratio, to perform the test accurately and effectively by the combination of the industrial control computer, Windows operating system, high-precision measurement and control elements and enrich peripheral devices, having the auto display, saving and printing test report functions. The product is designed, manufactured and tested according to the following standards: 
ASTM D2700 (Motor Method)        GB/T 503-2016 "Determination of Gasoline Octane Number (Motor Method)"
ASTM D2699-08 (Research Method) GB/T 5487-2015 "Determination of Gasoline Octane Number (Research Method)"
 
◆ Comply with CFR structure engine
- CFR standard cast iron integral cooling jacket; inblock casted cylinder body and cylinder cover.
- CFR standard crankcase; five gears with dual balance modules.
- Right-mounted engine, and front turning system
 
◆ Perfect safety and protection function
- Engine features with soft startup, small start noise and auto run-away protection. 
- With the level protection function for the circulating cooling water inside and outside the cooling water tower. 
- The indicator used to display the instrument working status. 
- The instrument is equipped with a wireless Wifi and has a remote monitoring from the movable device, a remote test end alert and a remote data query.
- The engine running pressure negative pressure sensor for real-time display.
- Engine power indicator with digital screen display.
- Auto recording of the cumulative time of startup and test.
 
◆ Auto "One-Key" operation
- With the auto switching-over of oil cup; with the "One-Key" used to preform test automatically
- Automatically and accurately find out the maximum knock liquid level, without manual search.
- With one machine for dual purposes; with the "One-Key" used to switch over the Motor Method, Research Method and Test Method.
- With automatic compensation atmosphere pressure module, to ensure the accuracy of test data.
 
◆ Accurate control system
- With the accurate compression ratio method test, the built-in work curve for convenient and accurate test results. 
- With the integrated control module, to monitor all working conditions of the instrument in real time, with abnormity alarm function. 
- With high-precision fuel negative pressure pipe (Vertical), fuel quantitative pipe (Lateral) and air-fuel atomization pipe, to guarantee accurate control of the oil intake amount of carburetor for stability of test data.
- The fuel negative pressure pipe and fourth oil cup carburetor has the refrigeration function, to guarantee the light component oil test. 
- With high-power dual-cycle air constant-temperature dryer, to effectively support the air intake of the large-bore engine.
- The machine is integrated with a control intake ice tower and external circulating cooling water, to feedback the working status in real time. 
- A laser displacement sensor is provided, without delay for adjustment, having the limit safety protection function. 
- With two-grade oil filtration and cooling function, the instrument can work normally for a long time; with the oil emulsification detection function and with an alarm issued to alert the user to replace oil automatically.
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●  Octane number test range: 40~120

●  CFR standard cast iron integral cooling jacket; inblock casted cylinder body and cylinder cover

●  Cast iron cylinder bore: 82.55mm (3.250in)

●  Cast iron piston stroke: 114.3mm (4.50in)

●  Cylinder capacity: 0.6L (37.33in3)

●  CFR standard crankcase; five gears with dual balance modules; right-mounted engine; front turning system 

●  Main mechanical components such as integral cylinder, holder, piston and carburetor components can be interchanged with those of imported instrument. 

●  Compression ratio adjustment range: 4:1~18:1

●  Engine speed: Motor Method: (900±9) r/min  Research Method: (600±6) r/min

●  Valve clearance: Intake valve: 0.20mm;  exhaust valve: 0.20±0.025mm

●  Spark plug clearance: 0.51±0.13mm

●  Lubricant pressure: 172~207Kpa

●  Lubricant temperature: 57±8℃

●  Cylinder jacket coolant temperature: 100±1.5℃

●  Mixed gas temperature (Motor Method): 149±1℃

●  Intake temperature (Motor Method): 38±2.8℃

●  Intake temperature (Research Method): 52±1℃ (at the standard atmosphere pressure); corrected according to the atmosphere pressure within ±1℃

●  Ignition advanced angle (Real-time display):Motor Method ε5.0 (26±1.5℃); adjusted by the computer automatically Research Method (13º); fixed 

●  High-power dual-cycle refrigeration ice tower; with 2-4℃ controlled 

●  High-power cooling water circulating machine; with the water tank capacity of ≥60L; water pressure:0.2~0.4MPa; working water temperature: 15~25℃

●  Power supply: AC380V±10%, 50Hz; AC220V±10%, 50Hz

●  Machine power: 12KW; accessories power: 7KW

●  Instrument size: 1780W x 900D x 1400H (mm)

●  Machine weight: 1200kg

     SHANGHAI SHENKAI PETROLEUM INSTRUMENT CO.,LTD
     TEL:021-642508402/64293033
     FAX:021-62506641
     MAIL:shenkai@shenkai.com

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