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Frequency Counters


Displaying 21 to 40 (of 82 products)

Cole-Parmer Stainless Steel Mechanical Handheld Tally Counter

$9.40

$ 3 .99 $3.99

4.4
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DIGITEN 12V-24V 6-Digit 0-999999 LED Display Digital UP Counter+Inductive Proximity Switch NPN Sensor+Holder

$21.99

$ 9 .99 $9.99

4.5
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DC24V Pulse Counter, CSK6-YKW 6 Digit Electromagnetic Pulse Counter (DC24V)

$14.28

$ 6 .99 $6.99

4.7
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Digital LCD Finger Ring Tally Counter 6Digit Buddha Beads Prayer Counter Clicker

$10.22

$ 4 .99 $4.99

4.9
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8LED H RF Frequency Counter Cymometer Tester Module 0.1 to 1000MHz (Backlit font red)

$25.17

$ 11 .99 $11.99

4.5
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3Pieces Digital Counter Buddha Beads Counter,LCD Digital Display Counter,Buddha Beads Digital Finger Counter,for Prayer,Buddhist Meditation, Relaxation,Active Fingers

$14.99

$ 7 .99 $7.99

4.5
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YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light

$7.37

$ 2 .99 $2.99

4.8
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20pcs CD4017 Decimal Counter with Ten decoded outputs Pulse Distributor

$7.99

$ 2 .99 $2.99

4.8
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DIGITEN LCD Digital 0-99999 Counter 5 Digit Plus UP Gauge + Proximity Switch Sensor with Magnetic

$13.99

$ 7 .99 $7.99

4.8
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Mechanical Counter, Rotary Revolution Counter, 75-I 5 Digits Display Mechanical Resettable Rotary Revolution Counter with Count Range 0-99999

$14.07

$ 7 .99 $7.99

4.7
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Fdit Rotary Revolution Counter, 75-I 5 Digits Display Mechanical Resettable Rotary Revolution Counter with Count Range 0-99999

$16.29

$ 6 .99 $6.99

4.3
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A103-000, Counter; Totalizer; 115/230 VAC, 10 to 20 VDC; LCD; 8; Screw Terminal; 50/60 Hz

$232.52

$ 92 .99 $92.99

5.0
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CSK6-YKW 6 Electronic Counter Pulse Counter,Pulse Counter Module 24vac Impulse Counter Digit Electromagnetic Pulse Counter 110VAC220VDC24V (DC24V)

$11.78

$ 5 .99 $5.99

4.7
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LCD Digital 0-99999 Counter 5 Digit Plus UP Gauge + Proximity Switch Sensor with Magnetic

$13.29

$ 5 .99 $5.99

4.4
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Led Digital Counter Count Up to 99999 with Infrared Sensor Conveyor Counter People Visitor Counter 4in Red Number Display Counter for Factory Production Line 110-220V

$195.98

$ 96 .99 $96.99

5.0
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Frequency Meter, 10MHz Frequency Meter DIY Kit Frequency Counter AVR Frequency with Shell Counter Cymometer Frequency Measurement 0.000 001Hz Resolution

$17.39

$ 8 .99 $8.99

4.7
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CO-10 KIT, CO-10 Electronic Pulse Counter with Mounting Housing

$63.00

$ 27 .99 $27.99

4.8
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Infrared Wireless People Counter-Bi-Directional Smart Visitor Counter, Battery Powered Door Counter, Easy to Use Traffic Counter, in and Out Display Customer Counters Sensor for Retail Stores.

$179.00

$ 70 .99 $70.99

4.3
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Digital LED Counter Count Up to 999999 Laser Sensor 4in Digits Display Counter People Visitor Counter 110-240V

$239.98

$ 99 .00 $99.00

4.7
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Oumefar Resettable Rotary Counter 75-I 5 Digits Display Mechanical Resettable Rotary Revolution Counter

$15.89

$ 7 .99 $7.99

4.8
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Displaying 21 to 40 (of 82 products)