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CED M2 Optical Chronograph

Allot is going on in the world of personal chronographs. When CED introduced their first chronograph in 1999, only optical chronographs were available and they had not changed much for decades. CED chronographs set a new standard for personal optical chronographs with the fastest circuits, numerous improvements to the old technology and a true IR array option so it would work in pitch dark. The latest model called the "M2", had expanded memory, "TRUE" USB connectivity and sensors that automatically optimize for the available light. RSI was one of the first two companies to sell CED products in North America. It has since become the official SAS, IPSC, IDPA tournament chronograph and is generally considered the best "optical" chronograph value.

Our Honest Review of Newer Chronograph Technology

It is our opinion the CED M2 chronograph will continue to be the best general -use value for most shooters. It is accurate, will work with any caliber and will not change the point of impact. It's large display can still be used to get down range velocities and when equipped with the optional IR Lighting option, a CED will work in pitch dark. The bottom line is if you need a good chronograph for use with handguns or .17's to 50 cals, or cannot justify $600 for a doppler system, you can't go wrong with the CED M2.

Special Deal

Buy a CED Chron with our Shooting Lab Software and save $20!


The CED M2 circuits are the fastest of all optical systems (48 MHz) with a dual clock chip set.

A 1.75" high LCD display shows all relative information at a single glance. For those with software capable of calculating B.C.'s, the display can be read through a scope at 100+ Yards.

No more toggling a single line display or saving adding machine tape. The none-volatile memory stores up to 1,000 shots. Recall weeks of shot strings and summary information with a few key strokes.

Free Software downloads shot strings to your PC so it can be stored in spreadsheets or printed on standard paper.

A"True" IR lighting option lets it work in pitch dark....and that's just a start!

The CED Chronograph System Includes - Chron CPU, dual lens self-adjusting digitally controlled sensors, with 20 ft. shielded cable, skyscreens and 2 ft. mounting bracket!

  • Folding Mounting Bracket - 2 ft. bracket folds in half for compact storage
  • Wide Screens - larger sensing area than most is possible due to "Dual Lens" sensor technology
  • Advanced Error Warning - so you can detect problems early
  • Easy assembly - sensors slip on ends of a square mounting bracket, held by adjustable tension plate, no screws or bolts
  • Faster With Minimal Lag Time - The official IPSC match chron, will keep up with any race gunner.
  • Voice Chip Technology - one and 1/2 seconds after each shot a voice tells you the velocity!
  • Permanent Memory - stores 1,000 shots (500 per string). Review and edit strings within the chronograph. No small pieces of paper!
  • USB Connectivity & Software - shoot all day then dump data to a PC USB port for further analysis
  • Auto-Shut Down Mode - to save battery life without affecting data in memory
  • Improved Sensor Design - the only digitally controlled sensors that self adjust for varied lighting conditions
  • All The Functions You Need - high, low and average velocity; extreme spread, standard deviation, edit and omit functions, 10X mode records velocity in decimeters, meters or feet;...even IPSC Power Factor calculations. Need to crunch some numbers? Do it right on the chronograph keypad.
  • Full Warranty - CED warranties their products against manufacturing defects for two years. If something fails to work, they will replace it.
  • A "True" Infrared (IR) Lighting Option ($89) - will work under any condition, even indoors or in complete darkness. No other chronograph has this option. Don't be fooled by tinted tops and single emitter double-pass systems that claim to be Infrared.

Connectivity for PC's
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Use the included bullet velocity software to download velocities directly to your personal computer with the included USB cable and free CED USB Data Collector Utility.

Simply plug the M2 Chronograph directly into a USB port, click a software button and in a few seconds the velocities stored in the M2's memory are downloaded so you can save, print or export the information.

Strings can be dragged into other software that supports drag and drop text or exported for use in spreadsheets and text documents.

NOTE: USB connectivity may require setting the program compatibility mode on Windows 8 & 10.

CEDM Data Collector

M2 Accessories
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A full range of accessories and replacement parts and accessories are available for the CED M2. The most significant accessory, not available for any other Chronograph, is a "true" Infrared emitting lighting kit option.

The Infrared Lighting Upgrade allows CED chronographs to work indoors or even in total darkness.
Never worry again if there will be enough light where you shoot. If you run into problems, this option can be added at any time and is a good reason to buy the CED M2 over other optical brands!

Only CED offers a "True" solid state IR lighting array at an affordable price. Don't be fooled by colored light filters, sensors with two LED's that reflect off the underside of the tops or refrigerator light bulbs in tin boxes.

CED's IR Upgrade includes 4 support legs, 2 tops with LED's and 16 IR diodes each, a "Y" cable and an AC to DC power converter. The IR tops look nearly the same as standard skyscreens. Two of the four side supports have wire leads, contacts and power jacks molded into the plastic. Wires do not hang down inside the screens live area so they can be hit with a bullet! An NiMH battery pack with 8 hour rating and charger is available for total portability.

If you would like to measure velocities indoors or set up in summer shade where 110 power is not available, with the
optional NiMH battery you will not need access to a power outlet! And unlike "visible" light systems, the IR emitted from the new CED IR option is not visible to the human eye so it will not alter your site picture when shooting indoors.

Ever use a 40 watt trouble light in your garage? Then you know incandescent light bulbs cannot take much abuse and always seem to "pop" at the most inopportune time. Image what will happen from the constant hammer of a big bore round through the chronograph screens. The solid state design of the CED IR Lighting option means it can take use/abuse in the field without ever needing replacement bulbs.

Notes On Tripods: Any camera tripod will work with the M2, however; we have noticed inexpensive tripods with plastic heads tend to wobble and contribute to errors. We strongly recommend using a quality tripod with a metal head, an elevation crank and quick detachable camera block. A good tripod should be available at most camera shops for about $75. You may even find a good used professional tripod for as little as $30.

Here are CED's German defense lab test results for the original Millennium model.
The M2 accuracy should be even better.

Results: All calibers measured by the CED were within 0.2% (99.8%) of laboratory commercial radar recordings, from 0.327% for 223 Rem to 0.081 for 45ACP. Results were better than all other optical chronographs. (The venerated Oehler tested 0.3% behind the CED.) The new IR emitters will virtually eliminate any variation caused by differences in natural lighting. If you need a chronograph that will approach the accuracy of commercial radar lab equipment, but do not want to spend $ BIG BUCKS $, try a CED chronograph.

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Order the CED M2 and Accessories

Earn discounts by ordering more than one RSI product.

If you still have questions check our CED Chronograph support page

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