The range of Hengstler incremental encoders offers users optimum flexibility with an encoder available for every application. In fact, the options allow for a customised solution according to southern Africa distributor, Countapulse Controls.
There are over twenty standard models from which to choose; this includes encoders for solid or hollow rotating shafts from 4 mm up to 42 mm diameter and up to 10 000 PPR (Pulses Per Revolution). A choice heavy duty or light duty is possible as is the housing material which could be aluminium or stainless, and there are multiple connection options facilitating a fit-for-purpose encoder.
The Hengstler RI32-O incremental rotary encoder is popular for light duty applications and as one of the smallest encoders available is ideal for use where space is limited. The shaft is aluminium and the 30 mm diameter housing is constructed of plastic material. This makes these devices lightweight and durable. This range also include 5 mm and 6 mm solid shaft diameters with protection class ratings of IP40 and resolutions of up to 1 500 PPR.
Known as economy encoders, the Hengstler RI38-O incremental rotary encoder is also favoured for light duty applications. The shaft is made of stainless steel and the housing is constructed of glass fibre reinforced plastic material. This makes it an economical, light and durable product. A 6 mm diameter solid shaft version is available with a protection class rating of IP40 and resolutions of up to 1 024 PPR.
The Hengstler RI58-O incremental encoder is a universal industry standard encoder. The 58 mm diameter housing is aluminium while the shaft is stainless steel. This encoder offers a choice of product configuration options.
For example, a clamping flange version with solid shaft diameters of 10 mm and 12 mm with a protection class rating of IP64 and resolutions of up to 5 000 PPR. This encoder is available with a PPR up to 10 000 if required.
Designed for direct mounting onto rotating shafts, the Hengstler RI58-D incremental rotary encoder is secured by a front clamping ring and the main body of the encoder by a stator coupling or set screw. The through shaft design allows for unrestricted mounting depths as the shaft passes completely through the encoder body. The front clamping ring version is available with shaft diameters of 10 mm and 12 mm and a protection class rating of IP64 with resolutions of up to 5 000 PPR (Pulses Per Revolution).
Also, directly mounted onto rotating shafts, the Hengstler RI76TD incremental rotary encoder is secured by a front flexible tether allowing for mechanical stresses caused by angular, axial or radial misalignment between the rotating shaft and the encoder. Again, the design of this encoder allows for unrestricted mounting depths as the shaft passes completely through the encoder body.
Shaft diameters of 15 mm and up to 42 mm are available with a protection class rating of IP40 and resolutions of 500, 1 000 and 1 024 PPR.
The full range of Hengstler incremental encoders is available from Johannesburg-based Countapulse Controls. The company offers a full technical advisory service assisting customers to select the most appropriate encoder for the given application.