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 161-6779 製造零件編號 PEC11R-4225F-N0024 个 (以毎袋：75) HK$9.842 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	25mm	Not Indexed	60rpm	1 mm, 2.6 x 1.8 mm
Bourns 15 Pulse Incremental Mechanical Rotary Encoder with a 3 mm (Not Indexed) RS庫存編號 269-2416 製造零件編號 PER281-P115-N0015 个 HK$21.50 數量	Bourns	15	-	3 mm	Incremental	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 167-5395 製造零件編號 PEC12R-2225F-N0024 个 (以毎袋：75) HK$6.012 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	15mm	Not Indexed	100rpm	1 mm, 2 x 2.1 mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole RS庫存編號 167-5383 製造零件編號 PEC11R-4215F-N0024 个 (以毎袋：75) HK$8.536 數量	Bourns	24	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	15mm	-	60rpm	1mm
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 167-5389 製造零件編號 PEC11R-4020F-N0024 个 (以毎袋：75) HK$9.471 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
Bourns 9 Pulse Incremental Mechanical Rotary Encoder with a 2.05 mm (Not Indexed) RS庫存編號 269-2411 製造零件編號 PER211-P115-N0009 个 HK$30.60 數量	Bourns	9	-	2.05 mm	Incremental	2-Bit Quadrature	-	-	Not Indexed	-	-
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Knurl Shaft (Indexed), Through Hole RS庫存編號 789-9541P 製造零件編號 PEC11R-4215K-N0024 个 (以每盘装提供) 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 20 Pulse Incremental Mechanical Rotary Encoder with a 6 mm (Not Indexed), PCB Mount RS庫存編號 205-9737 製造零件編號 PEC11H-4120F-S0020 个 HK$21.50 數量	Bourns	20	-	6 mm	Incremental	Digital Square Wave	PCB Mount	20mm	Not Indexed	-	-
Alps Alpine 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft, Through Hole RS庫存編號 172-6320 製造零件編號 EC16B242040R 个（每套 60） HK$11.157 數量	Alps Alpine	24	Flat	6 mm	Incremental	-	Through Hole	25mm	-	-	1.2 mm, 2 x 2.1 mm
Wurth Elektronik 15 Pulse Incremental Mechanical Rotary Encoder with a 6 mm, Through Hole RS庫存編號 185-4391 製造零件編號 482016514001 个（每托盘 2 ） HK$32.80 數量	Wurth Elektronik	15	-	6 mm	Incremental	-	Through Hole	20mm	-	-	-
Alps Alpine 24 Pulse Mechanical Rotary Encoder Flat Shaft (Not Indexed), Through Hole RS庫存編號 623-4237 製造零件編號 EC12E2424407 个 HK$33.05 數量	Alps Alpine	24	Flat	-	-	-	Through Hole	14mm	Not Indexed	-	-
Vishay Incremental Mechanical Rotary Encoder with a 60 mm (Not Indexed), Screw Mount RS庫存編號 362-603 製造零件編號 RAIK060I11318JB694 个 HK$2,244.71 數量	Vishay	-	-	60 mm	Incremental	Binary	Screw Mount	-	Not Indexed	-	-
Bourns 24 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 737-7748 製造零件編號 PEC11R-4215F-S0024 个 HK$14.06 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 15 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 729-5589 製造零件編號 EC11E15244G1 个 HK$36.40 數量	Alps Alpine	15	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	Not Indexed	-	2.6 x 1.5 mm, 1 mm
Vishay Incremental Mechanical Rotary Encoder with a 60 mm (Not Indexed), Screw Mount RS庫存編號 362-602 製造零件編號 RAIK060I11318LB692 个 HK$2,244.71 數量	Vishay	-	-	60 mm	Incremental	Binary	Screw Mount	-	Not Indexed	-	-
Elma 16 Pulse 2 bit Quadrature Mechanical Rotary Encoder with a 6 mm Slotted Shaft RS庫存編號 241-2337 製造零件編號 E33-CT6C2-M01T 个 (以毎盒：10) HK$366.776 數量	Elma	16	Slotted	6 mm	2 bit Quadrature	Digital Square Wave	-	-	-	-	-
Bourns 1 Pulse Mechanical Rotary Encoder with a 5 mm Knurl Shaft RS庫存編號 246-3263 製造零件編號 PTV09A-4015U-B103 个（每套 100） HK$5.301 數量	Bourns	1	Knurl	5 mm	-	-	-	-	-	-	-
Alps Alpine 12 Pulse Mechanical Rotary Encoder Flat Shaft (Not Indexed), Through Hole RS庫存編號 623-4186 製造零件編號 EC12E1220401 个 HK$11.10 數量	Alps Alpine	12	Flat	-	-	-	Through Hole	20mm	Not Indexed	-	-
TE Connectivity 24 Pulse Incremental Mechanical Rotary Encoder with a 6.8 mm Knurl Shaft (Not Indexed), Through Hole RS庫存編號 136-1846 製造零件編號 DPL12SV2424A25K3 个 (以毎盒：1000) HK$44.785 數量	TE Connectivity	24	Knurl	6.8 mm	Incremental	Digital Square Wave	Through Hole	25mm	Not Indexed	60rpm	1 mm, 1.1 mm
Bourns 12 Pulse Incremental Mechanical Rotary Encoder with a 6 mm Flat Shaft (Not Indexed), Through Hole RS庫存編號 167-5088 製造零件編號 PEC11R-4020F-N0012 个 (以毎袋：75) HK$9.795 數量	Bourns	12	Flat	6 mm	Incremental	Digital Square Wave	Through Hole	20mm	Not Indexed	60rpm	1 mm, 2.6 x 1.8 mm