The Krueger Sentry Barrel Gauge is a reliable, swing arm type gauge used for measuring all types of standing barrels. Its simple mechanical design promotes durability, minimal upkeep, and easy/inexpensive repairs. This liquid level drum gauge has many available options and is a versatile and inexpensive solution to all of your barrel monitoring needs.
Instructions for operation: This gauge is a simple volume reading tool. The top of the red indicator is an indication of your approximate fuel level in your tank. Once installed, you simply view the calibration to monitor your tank level. Indicator is calibrated in eighths of a tank on one side, and quarters of a tank on the other.