SurgiVet V1700 Reflectance Pulse Oximetry Sensor. SurgiVet®’s extensive range of Veterinary Specific Sensors are designed to meet your specific needs. Each sensor has recommended applications to achieve the best from your SurgiVet® monitor. All SurgiVet® pulse oximeters are supplied with two sensors of your choice. The V1700 Reflectance Sensor can be applied to the ventral tail base of a patient and secured with a cohesive bandage. For dogs and cats if the sensor is inserted rectally the red light should be shining on the sphincter muscle.