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Diplotop - product comparison - gathers KEYENCE FS-V21R users reviews, tests and opinions.With a data base of unprecedented wealth, 76 reviews for the KEYENCE FS-V21R, Diplotop compares the KEYENCE FS-V21R with its competitors in order to find the best.
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KEYENCE FS-V21R Reviews

Its users find that the KEYENCE FS-V21R doesn't have any particular problems of user-friendliness.They find it relatively fragile., But they don't all share the same opinion. If you have a problem, or need help, the Diplofix forum can help you choose between the KEYENCE FS-V21R and another product.

According to its users, it is very efficient., But they are very divided on this point. On average they find that it's price is right You won't get any unpleasant surprises if you look at the instructions in the KEYENCE FS-V21R user manual before buying.
Manual abstract:
EXCEPT FOR THE FOREGOING, ALL EXPRESS, IMPLIED, AND STATUTORY WARRANTIES, INCLUDING WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY DISCLAIMED. KEYENCE SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL OR OTHER DAMAGES, EVEN IF DAMAGES RESULT FROM THE USE OF THE PRODUCTS IN ACCORDANCE WITH ANY SUGGESTIONS OR INFORMATION PROVIDED BY KEYENCE. In some jurisdictions, some of the foregoing warranty disclaimers or damage limitations may not apply. FS-V21*1 FS-V21G FS-V21R (P) FS-V21X*1 Red LED Greed LED 4-element red LED Infrared (950 nm) 250µs (FINE)/500µs (TURBO)/1ms (SUPER TURBO)/ 4ms (ULTRA TURBO)/500µs (HIGH RESOLUTION)/ 50µs (HIGH SPEED) Max. ±1999 (variable) Timer OFF, OFF-delay timer, ON-delay timer, and oneshot timer (1 to 500 ms) NPN open collector with 100 mA max at 40 V with a max*2, Residual voltage of 1 V. DC12-24V ±10% with a maximum ripple (peak to peak) of 10% S-APC S-APC mode turned ON or when mode OFF the HIGH SPEED mode is selected. Other than Normal 580 mW 720 mW R model ECO half 480 mW 600 mW ECO all 430 mW 550 mW R model Normal 650 mW 720 mW ECO half 530 mW 600 mW ECO all 480 mW 550 mW Model Mode KEYENCE CORPORATION 1-3-14, Higashi-Nakajima, Higashi-Yodogawa-ku, Osaka, 533-8555, Japan PHONE: +81-6-6379-2211 FAX: +81-6-6379-2131 AFFILIATED COMPANIES KEYENCE CORPORATION OF AMERICA KEYENCE (THAILAND) CO. , LTD. PHONE: 201-930-0100 PHONE: 02-369-2777 FAX: 201-930-0099 FAX: 02-369-2775 KEYENCE DEUTSCHLAND GmbH PHONE: 06102-36 89-0 FAX: 06102-36 89-100 KEYENCE (UK) LIMITED PHONE: 01908-696900 FAX: 01908-696777 KEYENCE FRANCE S. PHONE: 01 47 92 76 76 FAX: 01 47 92 76 77 KEYENCE SINGAPORE PTE LTD. PHONE: 6392-1011 FAX: 6392-5055 KEYENCE (MALAYSIA) SDN BHD PHONE: 03-252-2211 FAX: 03-252-2131 4 KEYENCE TAIWAN CO. , LTD. PHONE: 02-2627-3100 FAX: 02-2798-8925 KEYENCE (HONG KONG) CO. , LTD...
Ease of use
The users were asked the following question :

Is the FS-V21R easy to use?

76 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the KEYENCE FS-V21R is very user-friendly.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 7.25
= 3.10

The average score balanced by the number of reviews is 7.25 and the standard differential is 3.1.
High-performance
The users were asked the following question :

Is the FS-V21R highly efficient?

76 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if the KEYENCE FS-V21R is, in its domain, the best on a technical level, the one offering the best quality, or offering the largest range of options.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 7.38
= 3.08

The average score balanced by the number of reviews is 7.38 and the standard differential is 3.08.
Reliability
The users were asked the following question :

Is the FS-V21R reliable, sturdy?

76 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if you think that the KEYENCE FS-V21R is a sturdy product, which will last a long time before breaking down.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 7.28
= 3.02

The average score balanced by the number of reviews is 7.28 and the standard differential is 3.02.
 
Value for money
The users were asked the following question :

Is the FS-V21R good value for money?

76 users answered questions and rated the product on a scale of 0 to 10. The rating is 10/10 if you think that the KEYENCE FS-V21R is really not expensive considering its features.

The reviews (rough results) are presented in the following graph :

012345678910

By leaving the mouse on a column for a few seconds, you can see the number of people who voted to make up the score that appears in the horizontal axis.

Statistical data :

= 6.93
= 3.09

The average score balanced by the number of reviews is 6.93 and the standard differential is 3.09.

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