Mechanical Rotary Encoders

Mechanical rotary encoders, also called shaft encoders, are electro-mechanical devices that convert the angular motions (movement around fixed points) of rotary shafts into either analogue or digital signals.

What are mechanical rotary encoders used for?

Applications that require precision shaft rotation (movement around a specific point) make use of mechanical rotary encoders.

These include industrial control machinery in factories, rotating radar platforms in satellite structures or computer input devices like trackballs and mice.

Types of mechanical rotary encoders

Absolute encoders:

have tracking functions to determine specific shaft positioning points in industrial equipment like CNC machines, lathes and bore machines.
maintain positioning data even when power is cut from the system. When the system is switched on again it begins operating from the point where it stopped previously.

Incremental (relative) encoders:

record deviations in shaft position points over certain time frames. With each new time frame after power is cut and switched on again the encoder starts recording from a predetermined reference and measures the distance between the previous point and the current point.

224 產品顯示為 Mechanical Rotary Encoders

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Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 167-4660 製造零件編號 PEC12R-4220F-S0024 个 (以毎袋：75) HK$7.714 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	Not Indexed	100rpm	1 mm, 2.1 x 2 mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Indexed), Through Hole RS庫存編號 789-9541 製造零件編號 PEC11R-4215K-N0024 个 HK$11.50 數量	Bourns	24	Knurl	6 mm	Incremental	Digital Square Wave	Through Hole	15mm	Indexed	60rpm	1 mm, 2.6 x 1.8 mm
Bourns 256 Pulse Incremental Mechanical Rotary Encoder with a 3.17 mm Plain Shaft (Indexed), Bracket Mount RS庫存編號 167-4664 製造零件編號 EMS22Q51-D28-LT4 个 (以毎盒：42) HK$339.224 數量	Bourns	256	Plain	3.17 mm	Incremental	Digital Square Wave	Bracket Mount	22.23mm	Indexed	10000rpm	-
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 737-7773 製造零件編號 PEC12R-4220F-S0024 个 HK$10.50 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	9mm	Not Indexed	100rpm	1 mm, 2.1 x 2 mm
Bourns 18 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 737-7736 製造零件編號 PEC11R-4115F-S0018 个 HK$11.00 數量	Bourns	18	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	15mm	Not Indexed	60rpm	2.6 x 1.8 mm, 1 mm
Omron Mechanical Rotary Encoder with a 10 mm RS庫存編號 215-8851 製造零件編號 E69-C10M 个 HK$1,556.50 數量	Omron	-	-	10 mm	-	-	-	-	-	-	-
Broadcom Mechanical Rotary Encoder RS庫存編號 178-3257 製造零件編號 AEAT-601B-F06 个 (以毎盒：80) HK$323.403 數量	Broadcom	-	-	-	-	-	-	-	-	-	-
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Indexed), Through Hole RS庫存編號 167-5393 製造零件編號 PEC11R-4215K-N0024 个 (以毎袋：75) HK$8.536 數量	Bourns	24	Knurl	6 mm	Incremental	Digital Square Wave	Through Hole	15mm	Indexed	60rpm	1 mm, 2.6 x 1.8 mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 167-4650 製造零件編號 PEC11R-4015F-S0024 个 (以毎袋：75) HK$9.956 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	15mm	Not Indexed	60rpm	1 mm, 2.6 x 1.8 mm
Alps Alpine 12 Pulse Incremental Mechanical Rotary Encoder with a 3.6 mm Hollow Shaft (Not Indexed), Through Hole RS庫存編號 172-6281 製造零件編號 EC10E1220505 个 (以毎袋：400) HK$4.18 數量	Alps Alpine	12	Hollow	3.6 mm	Incremental	Digital Square Wave	Through Hole	-	Not Indexed	-	1 mm, 2.1 x 1.8 mm
Bourns 15 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Not Indexed), , SMD RS庫存編號 789-9582 製造零件編號 PEC11S-929K-N0015 个 HK$15.00 數量	Bourns	15	Knurl	6 mm	Incremental	Digital Square Wave	Surface Mount	9mm	Not Indexed	60rpm	2.5mm
Broadcom Absolute Mechanical Rotary Encoder with a 6 mm Plain Shaft (Not Indexed), Screw Mount RS庫存編號 178-2944 製造零件編號 AEAT-6010-A06 个（每套 280） HK$306.827 數量	Broadcom	-	Plain	6 mm	Absolute	-	Screw Mount	8.5mm	Not Indexed	12000rpm	0.13mm
Broadcom Absolute Mechanical Rotary Encoder with a 6 mm Plain Shaft (Not Indexed), Screw Mount RS庫存編號 714-0234 製造零件編號 AEAT-6010-A06 个 HK$356.70 數量	Broadcom	-	Plain	6 mm	Absolute	-	Screw Mount	8.5mm	Not Indexed	12000rpm	0.13mm
Alps Alpine 12 Pulse Incremental Mechanical Rotary Encoder with a 2.2 mm Hollow Shaft (Not Indexed), Bracket Mount, RS庫存編號 729-5536 製造零件編號 EC05E1220401 个 HK$16.30 數量	Alps Alpine	12	Hollow	2.2 mm	Incremental	-	Bracket Mount, Surface Mount	-	Not Indexed	-	0.62mm
Alps Alpine 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 729-5839 製造零件編號 EC12E1220813 个 HK$13.80 數量	Alps Alpine	12	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	25mm	Not Indexed	-	1 mm, 2.1 x 2 mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft, Through Hole RS庫存編號 781-6830 製造零件編號 PEC11R-4220K-S0024 个 HK$14.50 數量	Bourns	24	Knurl	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	-	60rpm	1mm
Alps Alpine 15 Pulse Mechanical Rotary Encoder Flat Shaft (Not Indexed), Through Hole RS庫存編號 623-4079 製造零件編號 EC11B15244A7 个 HK$105.32 數量	Alps Alpine	15	Flat	-	-	-	Through Hole	20mm	Not Indexed	-	-
Bourns 128 Pulse Absolute Mechanical Rotary Encoder with a 6.35 mm Plain with Slot Shaft (Not Indexed), Bracket Mount RS庫存編號 167-3625 製造零件編號 EAW0J-B24-AE0128L 个（每套 45） HK$63.489 數量	Bourns	128	Plain with Slot	6.35 mm	Absolute	Digital	Bracket Mount	19.05mm	Not Indexed	120rpm	9mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft, Through Hole RS庫存編號 167-5385 製造零件編號 PEC11R-4220K-S0024 个 (以毎袋：75) HK$10.935 數量	Bourns	24	Knurl	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	-	60rpm	1mm
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder Slot Shaft, Through Hole RS庫存編號 263-2930 製造零件編號 EC11B152420G 个 HK$31.00 數量	Alps Alpine	15	Slot	-	Incremental	Digital Square Wave	Through Hole	25mm	-	-	2.1 x 1.8 mm, 1 mm