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Sensitivus

Advanced Sensor Technology

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Power Meter Modules

Spindle power meter
SPINDLE USING SG53 MODULE
Spider based power meter
SPIDER USING SG72 MODULE
Arm based power meter
CRANK ARM USING SG62 MODULE

SPINDLE POWER METER MODULES


The spindle type is the best protected and invisible power meter style and can be designed using these power meter modules. This is easily much more accurate than arm based in 30mm alloy spindles due to the very clean torsion strain available for the sensor. Therefore, it is definitely the best choice for 3-piece modular cranksets and for gravel/MTB solutions.

SG53 MODULE

SG53 electronic moduleFor spindle based power meter integration, we recommend the SG5x module. This is pre-certified and real-world tested in both very tough MTB pro-level environments and by multiple road brands.

This small module fits inside both 30mm and 24mm spindles. When combined with a round LiIon rechargeable battery and a set of shear-style strain gauges, this is the center of a very well-performing power meter product. A fully customized unique spindle based power meter can be put on the market in record time based on this module.

Differentiating features

  • Single strain gauge bridge
  • Integrated Micro-USB charging connector
  • Two-color indicator LED

For factory calibration purposes, this module is compatible with the CalStand test and calibration machine.


SG57 MODULE

SG57 power meter modulesOur next-generation spindle based module is designed to be even smaller, lower power consumption, improved performance, and to be cost-effective for higher volume power meter products.

Enquire for more details below.


SPIDER POWER METER MODULES


SG72 MODULE

SG72 electronic moduleFor crank spider power meter integration, we recommend the SG72 module. The great thing about spider-based power meters is the ability to measure the effect of both legs and simply tell how much torque is being used to pull the chain and propel the bike forward. This module is road tested and works very well for this style of the power meter.

Differentiating features

  • Distributed averaging strain gauge configuration
  • Supports magnetic charging connector
  • Easy wire management

A dedicated calibration application is available for low volume manufacturing.

Enquire for more details below.


SG91 MODULE

SG91 electronic moduleOur next-generation spider style power meter module. Designed for high volume, lower power consumption, and for a better performance as well as easier assembly and test with full QC at every step of the manufacturing process.

Enquire for more details below.


CRANK ARM POWER METER MODULES


Crank arms are quite popular for power meters, but this is not the ideal spot to place a power meter for many many reasons, as accuracy is much more challenging in this position. Therefore, the crank arm design and shape may seriously impact accuracy. Frame clearance can also be an issue. For gravel and MTB, this position is very exposed to physical damage.

SG62 MODULE

SG62 electronic moduleThis module compensates for some of the difficulties in measuring power in a crank arm. When combined with the right physical shape of the crank arm, this can be a very accurate solution.

Differentiating features

  • Dual strain gauge configuration
  • Supports magnetic charging connector

For best factory calibration and optimum performance, this module is compatible with the CalStand test and calibration machine.

For “pod-style” designs, we have several improvements available in a 2nd generation version.

Enquire for more details below.

 

 

Power meter modules on the bike

ADDRESS

Sensitivus
Fruebjergvej 3
2100 Copenhagen
Denmark
info@sensitivus.com

EU VAT-ID: DK44818361

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