Upgrade your sensor and gateway transmission interval from the standard 10 minutes for the sensor and 5 minutes for the gateway to 1 minute for the sensor and 1 minute for the gateway.
Best case, with this upgrade, the delay between the sensor transmission and SensorManager.com update would be ~0.25 minutes. Worst case, the delay would be ~2.25 minutes.
This upgrade is for the web-based SensorManager.com. It is not necessary for the PC-SensorManager interface since the standard PC-SensorManager interface can update every 15 seconds.
This is an annual charge of $29 per month per gateway will be added to the SensorManager.com annual subscription fee.