Gauges & Thermometers

Littlejohn Inc offers a robust lineup of chemical-grade gauges and thermometers crafted specifically for tank trailers transporting hazardous liquids. These essential instruments provide accurate monitoring of pressure and temperature in pneumatic and hydraulic systems, helping operators maintain optimal conditions and prevent overpressure or thermal-related failures. Designed for use in chemical environments, they feature rugged construction and precision engineering to ensure long-lasting reliability.

Our selection includes liquid-filled stainless steel pressure gauges with ranges tailored for chemical trailers, such as 0–160 PSI models with durable brass internals or fully stainless designs. These liquid-filled dials offer vibration resistance and steady readings in high-shock environments. We also carry capillary-tube thermometers for remote monitoring of fluid temperatures—critical for processes requiring precise thermal control during loading, unloading, or transit.

At Littlejohn Inc, we’re dedicated to supporting safe and efficient chemical transport. That’s why our chemical gauges and thermometers are backed by fast shipping from coast-to-coast warehouses and expert customer service to guide you through proper selection and installation. Trust us to help maintain compliance, ensure operational safety, and minimize downtime in your trailer operations.