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

5 的 12

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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 789-9664 製造零件編號 PEC12R-4230F-N0024 个 HK$9.20 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	30mm	Not Indexed	100rpm	1 mm, 2 x 2.1 mm
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder with a 5.975 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 729-5860 製造零件編號 EC12D1564404 个 HK$9.60 數量	Alps Alpine	15	Flat	5.975 mm	Incremental	Digital Square Wave	Through Hole	17.5mm	Not Indexed	-	2.15 x 2.05 mm, 1.05 mm, 2.1 mm
Elma 16 Pulse 2 bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft RS庫存編號 241-2358 製造零件編號 E33-VT6C2-M45T 个 HK$299.30 數量	Elma	16	Slotted	6 mm	2 bit Quadrature	Digital Square Wave	-	-	-	-	-
Bourns 15 Pulse Incremental Mechanical Rotary Encoder with a 3.1 mm (Not Indexed) RS庫存編號 269-2419 製造零件編號 PER561-P115-N0015 个（每套 300） HK$41.009 數量	Bourns	15	-	3.1 mm	Incremental	2-Bit Quadrature	-	-	Not Indexed	-	-
Alps Alpine 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 729-5801 製造零件編號 EC12E24204A8 个 HK$13.50 數量	Alps Alpine	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	Not Indexed	-	2.1 x 2 mm, 1 mm
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder with a 5.975 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 729-5854 製造零件編號 EC12D1524403 个 HK$12.00 數量	Alps Alpine	15	Flat	5.975 mm	Incremental	Digital Square Wave	Through Hole	17.5mm	Not Indexed	-	1.05 mm, 2.1 mm, 2.15 x 2.05 mm
Alps Alpine 15 Pulse Incremental Mechanical Rotary Encoder with a 9 mm Knurl Shaft (Not Indexed), Through Hole RS庫存編號 729-5678 製造零件編號 EC11E152U402 个 HK$65.90 數量	Alps Alpine	15	Knurl	9 mm	Incremental	Digital Square Wave	Through Hole	26.4mm	Not Indexed	-	2.6 x 1.5 mm, 1 mm
Bourns 18 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed) RS庫存編號 737-7745 製造零件編號 PEC11R-4125F-S0018 个 HK$14.90 數量	Bourns	18	Flat	6 mm	Incremental	Digital Square Wave	-	25mm	Not Indexed	60rpm	7mm
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed) RS庫存編號 737-7758 製造零件編號 PEC11R-4220F-S0012 个 HK$11.00 數量	Bourns	12	Flat	6 mm	Incremental	Digital Square Wave	-	20mm	Not Indexed	60rpm	7mm
Bourns 512 Pulse Incremental Mechanical Rotary Encoder with a 6.34 mm Plain Shaft (Indexed), Bracket Mount RS庫存編號 737-7694 製造零件編號 EMS22D51-B28-LS5 个 HK$397.30 數量	Bourns	512	Plain	6.34 mm	Incremental	Digital Square Wave	Bracket Mount	22.23mm	Indexed	10000rpm	-
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 789-9598 製造零件編號 PEC12R-2120F-N0012 个 HK$8.60 數量	Bourns	12	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	10mm	Not Indexed	100rpm	1 mm, 2 x 2.1 mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 789-9602 製造零件編號 PEC12R-2220F-S0024 个 HK$8.40 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	9mm	Not Indexed	100rpm	1 mm, 2 x 2.1 mm
Omron 1000 ppr Pulse Incremental Mechanical Rotary Encoder with a 40 mm RS庫存編號 288-3250 製造零件編號 E6B2-CWZ1X 1000P/R 2M 个 HK$3,285.57 數量	Omron	1000 ppr	-	40 mm	Incremental	-	-	-	-	-	-
Elma 16 Pulse 2 bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft RS庫存編號 241-2336 製造零件編號 E33-CT652-M01T 个 HK$330.11 數量	Elma	16	Slotted	6 mm	2 bit Quadrature	Digital Square Wave	-	-	-	-	-
Bourns 512 Pulse Incremental Mechanical Rotary Encoder with a 6.34 mm Plain Shaft (Indexed), Bracket Mount RS庫存編號 167-4663 製造零件編號 EMS22D51-B28-LS5 个 (以毎盒：42) HK$340.186 數量	Bourns	512	Plain	6.34 mm	Incremental	Digital Square Wave	Bracket Mount	22.23mm	Indexed	10000rpm	-
Elma 8 Pulse 2 bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft RS庫存編號 241-2340 製造零件編號 E33-ST622-M01T 个 HK$330.11 數量	Elma	8	Slotted	6 mm	2 bit Quadrature	Digital Square Wave	-	-	-	-	-
Elma 16 Pulse 2 bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft RS庫存編號 241-2342 製造零件編號 E33-ST652-M01T 个 HK$330.11 數量	Elma	16	Slotted	6 mm	2 bit Quadrature	Digital Square Wave	-	-	-	-	-
Bourns 15 Pulse Quadrature Mechanical Rotary Encoder with a 2 mm Flat (Inner Shaft), Slot (Outer Shaft) Shaft (Not RS庫存編號 269-2407 製造零件編號 PEC11D-4120F-S0015 个（每套 100） HK$35.538 數量	Bourns	15	Flat (Inner Shaft), Slot (Outer Shaft)	2 mm	Quadrature	2-Bit Quadrature	-	-	Not Indexed	-	-
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 167-4659 製造零件編號 PEC11R-4220F-S0024 个 (以毎袋：75) HK$10.621 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	Not Indexed	60rpm	1 mm, 2.6 x 1.8 mm
Alps Alpine 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 729-5842 製造零件編號 EC12E2430803 个 HK$19.50 數量	Alps Alpine	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	25mm	Not Indexed	-	1 mm, 2.1 x 2 mm