Overview Product Description CMa35 is used to read and configure meters equipped with a serial optical interface. Its manufacturer and software independent design makes the product highly flexible and applicable in a wide range of different metering projects. Product Videos Custom Field Product Reviews Write a Review Write a Review × Elvaco CMa35 USB Optical Eye Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *